./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label29.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label29.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/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 98618c76bfa0eca070eb71a2130d02b24ef80e44 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:51:43,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:51:43,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:51:43,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:51:43,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:51:43,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:51:43,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:51:43,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:51:43,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:51:43,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:51:43,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:51:43,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:51:43,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:51:43,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:51:43,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:51:43,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:51:43,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:51:43,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:51:43,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:51:43,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:51:43,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:51:43,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:51:43,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:51:43,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:51:43,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:51:43,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:51:43,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:51:43,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:51:43,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:51:43,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:51:43,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:51:43,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:51:43,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:51:43,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:51:43,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:51:43,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:51:43,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:51:43,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:51:43,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:51:43,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:51:43,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:51:43,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:51:43,865 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:51:43,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:51:43,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:51:43,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:51:43,871 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:51:43,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:51:43,872 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:51:43,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:51:43,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:51:43,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:51:43,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:51:43,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:51:43,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:51:43,877 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:51:43,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:51:43,877 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:51:43,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:51:43,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:51:43,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:51:43,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:51:43,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:51:43,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:51:43,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:51:43,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:51:43,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:51:43,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:51:43,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:51:43,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:51:43,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:51:43,881 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_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98618c76bfa0eca070eb71a2130d02b24ef80e44 [2020-12-01 15:51:44,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:51:44,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:51:44,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:51:44,205 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:51:44,206 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:51:44,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label29.c [2020-12-01 15:51:44,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/bin/uautomizer/data/fe22a64f0/4eb75409302d4f30a4db5fcf795c5b0b/FLAGcbb350f16 [2020-12-01 15:51:45,125 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:51:45,126 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/sv-benchmarks/c/eca-rers2012/Problem03_label29.c [2020-12-01 15:51:45,154 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/bin/uautomizer/data/fe22a64f0/4eb75409302d4f30a4db5fcf795c5b0b/FLAGcbb350f16 [2020-12-01 15:51:45,199 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/bin/uautomizer/data/fe22a64f0/4eb75409302d4f30a4db5fcf795c5b0b [2020-12-01 15:51:45,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:51:45,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:51:45,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:51:45,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:51:45,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:51:45,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:51:45" (1/1) ... [2020-12-01 15:51:45,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c41ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:45, skipping insertion in model container [2020-12-01 15:51:45,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:51:45" (1/1) ... [2020-12-01 15:51:45,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:51:45,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:51:45,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:51:46,006 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:51:46,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:51:46,320 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:51:46,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:46 WrapperNode [2020-12-01 15:51:46,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:51:46,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:51:46,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:51:46,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:51:46,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:46" (1/1) ... [2020-12-01 15:51:46,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:46" (1/1) ... [2020-12-01 15:51:46,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:51:46,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:51:46,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:51:46,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:51:46,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:46" (1/1) ... [2020-12-01 15:51:46,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:46" (1/1) ... [2020-12-01 15:51:46,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:46" (1/1) ... [2020-12-01 15:51:46,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:46" (1/1) ... [2020-12-01 15:51:46,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:46" (1/1) ... [2020-12-01 15:51:46,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:46" (1/1) ... [2020-12-01 15:51:46,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:46" (1/1) ... [2020-12-01 15:51:46,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:51:46,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:51:46,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:51:46,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:51:46,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:51:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:51:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:51:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:51:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:51:49,059 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:51:49,060 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 15:51:49,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:51:49 BoogieIcfgContainer [2020-12-01 15:51:49,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:51:49,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:51:49,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:51:49,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:51:49,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:51:45" (1/3) ... [2020-12-01 15:51:49,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d53e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:51:49, skipping insertion in model container [2020-12-01 15:51:49,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:46" (2/3) ... [2020-12-01 15:51:49,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d53e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:51:49, skipping insertion in model container [2020-12-01 15:51:49,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:51:49" (3/3) ... [2020-12-01 15:51:49,075 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label29.c [2020-12-01 15:51:49,093 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:51:49,097 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:51:49,109 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:51:49,153 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:51:49,153 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:51:49,153 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:51:49,153 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:51:49,154 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:51:49,154 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:51:49,154 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:51:49,154 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:51:49,184 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-12-01 15:51:49,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-12-01 15:51:49,208 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:49,209 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:49,209 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:49,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:49,215 INFO L82 PathProgramCache]: Analyzing trace with hash 800753066, now seen corresponding path program 1 times [2020-12-01 15:51:49,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:49,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530464664] [2020-12-01 15:51:49,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:50,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:51:50,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530464664] [2020-12-01 15:51:50,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:50,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:51:50,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049083586] [2020-12-01 15:51:50,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:51:50,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:50,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:51:50,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:50,062 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-12-01 15:51:51,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:51,670 INFO L93 Difference]: Finished difference Result 811 states and 1446 transitions. [2020-12-01 15:51:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:51:51,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2020-12-01 15:51:51,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:51,702 INFO L225 Difference]: With dead ends: 811 [2020-12-01 15:51:51,702 INFO L226 Difference]: Without dead ends: 444 [2020-12-01 15:51:51,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:51,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-12-01 15:51:51,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2020-12-01 15:51:51,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-12-01 15:51:51,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 633 transitions. [2020-12-01 15:51:51,804 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 633 transitions. Word has length 178 [2020-12-01 15:51:51,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:51,806 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 633 transitions. [2020-12-01 15:51:51,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:51:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 633 transitions. [2020-12-01 15:51:51,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-12-01 15:51:51,814 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:51,814 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:51,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:51:51,815 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:51,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:51,816 INFO L82 PathProgramCache]: Analyzing trace with hash 872327563, now seen corresponding path program 1 times [2020-12-01 15:51:51,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:51,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117297465] [2020-12-01 15:51:51,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:52,057 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:51:52,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117297465] [2020-12-01 15:51:52,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:52,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:51:52,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057843023] [2020-12-01 15:51:52,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:51:52,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:52,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:51:52,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:52,065 INFO L87 Difference]: Start difference. First operand 444 states and 633 transitions. Second operand 3 states. [2020-12-01 15:51:53,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:53,230 INFO L93 Difference]: Finished difference Result 1312 states and 1878 transitions. [2020-12-01 15:51:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:51:53,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2020-12-01 15:51:53,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:53,237 INFO L225 Difference]: With dead ends: 1312 [2020-12-01 15:51:53,237 INFO L226 Difference]: Without dead ends: 870 [2020-12-01 15:51:53,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:53,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2020-12-01 15:51:53,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 856. [2020-12-01 15:51:53,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-12-01 15:51:53,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1192 transitions. [2020-12-01 15:51:53,333 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1192 transitions. Word has length 186 [2020-12-01 15:51:53,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:53,334 INFO L481 AbstractCegarLoop]: Abstraction has 856 states and 1192 transitions. [2020-12-01 15:51:53,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:51:53,334 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1192 transitions. [2020-12-01 15:51:53,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-12-01 15:51:53,354 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:53,355 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:53,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:51:53,356 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:53,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:53,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1516638610, now seen corresponding path program 1 times [2020-12-01 15:51:53,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:53,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320214867] [2020-12-01 15:51:53,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:53,537 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 15:51:53,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320214867] [2020-12-01 15:51:53,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:53,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:51:53,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317640991] [2020-12-01 15:51:53,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:51:53,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:53,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:51:53,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:53,546 INFO L87 Difference]: Start difference. First operand 856 states and 1192 transitions. Second operand 3 states. [2020-12-01 15:51:54,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:54,672 INFO L93 Difference]: Finished difference Result 2535 states and 3531 transitions. [2020-12-01 15:51:54,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:51:54,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2020-12-01 15:51:54,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:54,685 INFO L225 Difference]: With dead ends: 2535 [2020-12-01 15:51:54,685 INFO L226 Difference]: Without dead ends: 1681 [2020-12-01 15:51:54,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:54,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2020-12-01 15:51:54,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1680. [2020-12-01 15:51:54,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2020-12-01 15:51:54,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2198 transitions. [2020-12-01 15:51:54,748 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2198 transitions. Word has length 198 [2020-12-01 15:51:54,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:54,748 INFO L481 AbstractCegarLoop]: Abstraction has 1680 states and 2198 transitions. [2020-12-01 15:51:54,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:51:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2198 transitions. [2020-12-01 15:51:54,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-12-01 15:51:54,756 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:54,757 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:54,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:51:54,757 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:54,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:54,759 INFO L82 PathProgramCache]: Analyzing trace with hash 128896908, now seen corresponding path program 1 times [2020-12-01 15:51:54,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:54,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682533797] [2020-12-01 15:51:54,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:54,940 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 15:51:54,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682533797] [2020-12-01 15:51:54,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:54,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:51:54,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115858659] [2020-12-01 15:51:54,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:51:54,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:54,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:51:54,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:54,944 INFO L87 Difference]: Start difference. First operand 1680 states and 2198 transitions. Second operand 3 states. [2020-12-01 15:51:56,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:56,185 INFO L93 Difference]: Finished difference Result 4173 states and 5623 transitions. [2020-12-01 15:51:56,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:51:56,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-12-01 15:51:56,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:56,200 INFO L225 Difference]: With dead ends: 4173 [2020-12-01 15:51:56,200 INFO L226 Difference]: Without dead ends: 2495 [2020-12-01 15:51:56,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:56,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2020-12-01 15:51:56,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2492. [2020-12-01 15:51:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2492 states. [2020-12-01 15:51:56,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2492 states and 3160 transitions. [2020-12-01 15:51:56,271 INFO L78 Accepts]: Start accepts. Automaton has 2492 states and 3160 transitions. Word has length 212 [2020-12-01 15:51:56,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:56,271 INFO L481 AbstractCegarLoop]: Abstraction has 2492 states and 3160 transitions. [2020-12-01 15:51:56,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:51:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 3160 transitions. [2020-12-01 15:51:56,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-12-01 15:51:56,279 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:56,280 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:56,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:51:56,281 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:56,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:56,281 INFO L82 PathProgramCache]: Analyzing trace with hash 267591806, now seen corresponding path program 1 times [2020-12-01 15:51:56,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:56,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037363200] [2020-12-01 15:51:56,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:56,443 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 15:51:56,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037363200] [2020-12-01 15:51:56,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:56,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:51:56,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99420011] [2020-12-01 15:51:56,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:51:56,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:56,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:51:56,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:51:56,446 INFO L87 Difference]: Start difference. First operand 2492 states and 3160 transitions. Second operand 4 states. [2020-12-01 15:51:57,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:57,687 INFO L93 Difference]: Finished difference Result 4959 states and 6290 transitions. [2020-12-01 15:51:57,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:51:57,687 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 216 [2020-12-01 15:51:57,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:57,703 INFO L225 Difference]: With dead ends: 4959 [2020-12-01 15:51:57,704 INFO L226 Difference]: Without dead ends: 2469 [2020-12-01 15:51:57,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:51:57,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2469 states. [2020-12-01 15:51:57,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2469 to 2465. [2020-12-01 15:51:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2465 states. [2020-12-01 15:51:57,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 2972 transitions. [2020-12-01 15:51:57,778 INFO L78 Accepts]: Start accepts. Automaton has 2465 states and 2972 transitions. Word has length 216 [2020-12-01 15:51:57,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:57,780 INFO L481 AbstractCegarLoop]: Abstraction has 2465 states and 2972 transitions. [2020-12-01 15:51:57,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:51:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 2972 transitions. [2020-12-01 15:51:57,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 15:51:57,788 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:57,788 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-01 15:51:57,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 15:51:57,789 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:57,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:57,789 INFO L82 PathProgramCache]: Analyzing trace with hash -2055830927, now seen corresponding path program 1 times [2020-12-01 15:51:57,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:57,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596361466] [2020-12-01 15:51:57,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:58,029 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 73 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 15:51:58,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596361466] [2020-12-01 15:51:58,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663821381] [2020-12-01 15:51:58,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:51:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:58,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:51:58,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:51:58,598 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 15:51:58,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:51:58,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 15:51:58,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567417262] [2020-12-01 15:51:58,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:51:58,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:58,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:51:58,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:51:58,605 INFO L87 Difference]: Start difference. First operand 2465 states and 2972 transitions. Second operand 3 states. [2020-12-01 15:51:59,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:59,775 INFO L93 Difference]: Finished difference Result 7367 states and 8883 transitions. [2020-12-01 15:51:59,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:51:59,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-12-01 15:51:59,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:59,810 INFO L225 Difference]: With dead ends: 7367 [2020-12-01 15:51:59,810 INFO L226 Difference]: Without dead ends: 4904 [2020-12-01 15:51:59,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:51:59,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4904 states. [2020-12-01 15:51:59,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4904 to 4901. [2020-12-01 15:51:59,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4901 states. [2020-12-01 15:51:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4901 states to 4901 states and 5713 transitions. [2020-12-01 15:51:59,947 INFO L78 Accepts]: Start accepts. Automaton has 4901 states and 5713 transitions. Word has length 246 [2020-12-01 15:51:59,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:59,949 INFO L481 AbstractCegarLoop]: Abstraction has 4901 states and 5713 transitions. [2020-12-01 15:51:59,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:51:59,949 INFO L276 IsEmpty]: Start isEmpty. Operand 4901 states and 5713 transitions. [2020-12-01 15:51:59,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-12-01 15:51:59,962 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:59,963 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:52:00,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-01 15:52:00,178 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:52:00,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:52:00,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1724178926, now seen corresponding path program 1 times [2020-12-01 15:52:00,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:52:00,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473226481] [2020-12-01 15:52:00,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:52:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:52:00,493 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:52:00,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473226481] [2020-12-01 15:52:00,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:52:00,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:52:00,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549600845] [2020-12-01 15:52:00,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:52:00,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:52:00,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:52:00,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:52:00,498 INFO L87 Difference]: Start difference. First operand 4901 states and 5713 transitions. Second operand 3 states. [2020-12-01 15:52:01,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:52:01,600 INFO L93 Difference]: Finished difference Result 9803 states and 11429 transitions. [2020-12-01 15:52:01,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:52:01,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2020-12-01 15:52:01,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:52:01,627 INFO L225 Difference]: With dead ends: 9803 [2020-12-01 15:52:01,628 INFO L226 Difference]: Without dead ends: 4904 [2020-12-01 15:52:01,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:52:01,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4904 states. [2020-12-01 15:52:01,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4904 to 4901. [2020-12-01 15:52:01,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4901 states. [2020-12-01 15:52:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4901 states to 4901 states and 5572 transitions. [2020-12-01 15:52:01,750 INFO L78 Accepts]: Start accepts. Automaton has 4901 states and 5572 transitions. Word has length 256 [2020-12-01 15:52:01,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:52:01,751 INFO L481 AbstractCegarLoop]: Abstraction has 4901 states and 5572 transitions. [2020-12-01 15:52:01,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:52:01,751 INFO L276 IsEmpty]: Start isEmpty. Operand 4901 states and 5572 transitions. [2020-12-01 15:52:01,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-12-01 15:52:01,765 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:52:01,766 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:52:01,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 15:52:01,766 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:52:01,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:52:01,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1969398332, now seen corresponding path program 1 times [2020-12-01 15:52:01,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:52:01,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375325204] [2020-12-01 15:52:01,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:52:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:52:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 15:52:02,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375325204] [2020-12-01 15:52:02,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:52:02,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:52:02,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526705387] [2020-12-01 15:52:02,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:52:02,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:52:02,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:52:02,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:52:02,038 INFO L87 Difference]: Start difference. First operand 4901 states and 5572 transitions. Second operand 3 states. [2020-12-01 15:52:03,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:52:03,201 INFO L93 Difference]: Finished difference Result 13867 states and 15710 transitions. [2020-12-01 15:52:03,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:52:03,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271 [2020-12-01 15:52:03,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:52:03,254 INFO L225 Difference]: With dead ends: 13867 [2020-12-01 15:52:03,254 INFO L226 Difference]: Without dead ends: 8968 [2020-12-01 15:52:03,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:52:03,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8968 states. [2020-12-01 15:52:03,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8968 to 8965. [2020-12-01 15:52:03,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8965 states. [2020-12-01 15:52:03,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8965 states to 8965 states and 9894 transitions. [2020-12-01 15:52:03,489 INFO L78 Accepts]: Start accepts. Automaton has 8965 states and 9894 transitions. Word has length 271 [2020-12-01 15:52:03,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:52:03,489 INFO L481 AbstractCegarLoop]: Abstraction has 8965 states and 9894 transitions. [2020-12-01 15:52:03,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:52:03,490 INFO L276 IsEmpty]: Start isEmpty. Operand 8965 states and 9894 transitions. [2020-12-01 15:52:03,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-12-01 15:52:03,514 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:52:03,514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:52:03,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-01 15:52:03,515 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:52:03,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:52:03,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1758892586, now seen corresponding path program 1 times [2020-12-01 15:52:03,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:52:03,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850296192] [2020-12-01 15:52:03,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:52:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:52:03,789 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-12-01 15:52:03,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850296192] [2020-12-01 15:52:03,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:52:03,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:52:03,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745518941] [2020-12-01 15:52:03,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:52:03,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:52:03,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:52:03,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:52:03,793 INFO L87 Difference]: Start difference. First operand 8965 states and 9894 transitions. Second operand 3 states. [2020-12-01 15:52:04,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:52:04,962 INFO L93 Difference]: Finished difference Result 22407 states and 24703 transitions. [2020-12-01 15:52:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:52:04,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2020-12-01 15:52:04,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:52:05,021 INFO L225 Difference]: With dead ends: 22407 [2020-12-01 15:52:05,021 INFO L226 Difference]: Without dead ends: 13444 [2020-12-01 15:52:05,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:52:05,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13444 states. [2020-12-01 15:52:05,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13444 to 13442. [2020-12-01 15:52:05,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13442 states. [2020-12-01 15:52:05,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13442 states to 13442 states and 14790 transitions. [2020-12-01 15:52:05,360 INFO L78 Accepts]: Start accepts. Automaton has 13442 states and 14790 transitions. Word has length 284 [2020-12-01 15:52:05,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:52:05,361 INFO L481 AbstractCegarLoop]: Abstraction has 13442 states and 14790 transitions. [2020-12-01 15:52:05,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:52:05,361 INFO L276 IsEmpty]: Start isEmpty. Operand 13442 states and 14790 transitions. [2020-12-01 15:52:05,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-12-01 15:52:05,393 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:52:05,393 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:52:05,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-01 15:52:05,394 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:52:05,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:52:05,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1737275663, now seen corresponding path program 1 times [2020-12-01 15:52:05,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:52:05,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101971641] [2020-12-01 15:52:05,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:52:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:52:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-12-01 15:52:05,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101971641] [2020-12-01 15:52:05,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:52:05,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:52:05,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628351478] [2020-12-01 15:52:05,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:52:05,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:52:05,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:52:05,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:52:05,589 INFO L87 Difference]: Start difference. First operand 13442 states and 14790 transitions. Second operand 3 states. [2020-12-01 15:52:06,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:52:06,666 INFO L93 Difference]: Finished difference Result 30754 states and 33867 transitions. [2020-12-01 15:52:06,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:52:06,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2020-12-01 15:52:06,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:52:06,703 INFO L225 Difference]: With dead ends: 30754 [2020-12-01 15:52:06,703 INFO L226 Difference]: Without dead ends: 17314 [2020-12-01 15:52:06,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:52:06,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17314 states. [2020-12-01 15:52:06,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17314 to 17303. [2020-12-01 15:52:06,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17303 states. [2020-12-01 15:52:07,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17303 states to 17303 states and 19043 transitions. [2020-12-01 15:52:07,013 INFO L78 Accepts]: Start accepts. Automaton has 17303 states and 19043 transitions. Word has length 286 [2020-12-01 15:52:07,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:52:07,013 INFO L481 AbstractCegarLoop]: Abstraction has 17303 states and 19043 transitions. [2020-12-01 15:52:07,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:52:07,013 INFO L276 IsEmpty]: Start isEmpty. Operand 17303 states and 19043 transitions. [2020-12-01 15:52:07,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-12-01 15:52:07,050 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:52:07,051 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:52:07,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-01 15:52:07,051 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:52:07,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:52:07,052 INFO L82 PathProgramCache]: Analyzing trace with hash 2037618563, now seen corresponding path program 1 times [2020-12-01 15:52:07,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:52:07,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173702310] [2020-12-01 15:52:07,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:52:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:52:07,340 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 68 proven. 6 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-12-01 15:52:07,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173702310] [2020-12-01 15:52:07,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038517793] [2020-12-01 15:52:07,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:52:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:52:07,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:52:07,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:52:07,902 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-01 15:52:07,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:52:07,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 15:52:07,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588160933] [2020-12-01 15:52:07,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:52:07,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:52:07,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:52:07,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:52:07,904 INFO L87 Difference]: Start difference. First operand 17303 states and 19043 transitions. Second operand 3 states. [2020-12-01 15:52:09,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:52:09,160 INFO L93 Difference]: Finished difference Result 39687 states and 43899 transitions. [2020-12-01 15:52:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:52:09,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 291 [2020-12-01 15:52:09,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:52:09,162 INFO L225 Difference]: With dead ends: 39687 [2020-12-01 15:52:09,162 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:52:09,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:52:09,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:52:09,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:52:09,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:52:09,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:52:09,182 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 291 [2020-12-01 15:52:09,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:52:09,182 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:52:09,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:52:09,182 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:52:09,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:52:09,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:52:09,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:52:09,738 INFO L262 CegarLoopResult]: For program point L1621(line 1621) no Hoare annotation was computed. [2020-12-01 15:52:09,738 INFO L262 CegarLoopResult]: For program point L1555(line 1555) no Hoare annotation was computed. [2020-12-01 15:52:09,738 INFO L262 CegarLoopResult]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,739 INFO L262 CegarLoopResult]: For program point L1489(line 1489) no Hoare annotation was computed. [2020-12-01 15:52:09,739 INFO L262 CegarLoopResult]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,739 INFO L262 CegarLoopResult]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,739 INFO L262 CegarLoopResult]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,739 INFO L262 CegarLoopResult]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,739 INFO L262 CegarLoopResult]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,740 INFO L262 CegarLoopResult]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,740 INFO L262 CegarLoopResult]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,740 INFO L262 CegarLoopResult]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,740 INFO L262 CegarLoopResult]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,740 INFO L262 CegarLoopResult]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,740 INFO L262 CegarLoopResult]: For program point L1624(line 1624) no Hoare annotation was computed. [2020-12-01 15:52:09,740 INFO L262 CegarLoopResult]: For program point L1558(line 1558) no Hoare annotation was computed. [2020-12-01 15:52:09,740 INFO L262 CegarLoopResult]: For program point L1492(line 1492) no Hoare annotation was computed. [2020-12-01 15:52:09,741 INFO L262 CegarLoopResult]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,741 INFO L262 CegarLoopResult]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2020-12-01 15:52:09,741 INFO L262 CegarLoopResult]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2020-12-01 15:52:09,741 INFO L262 CegarLoopResult]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,741 INFO L262 CegarLoopResult]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,741 INFO L262 CegarLoopResult]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,741 INFO L262 CegarLoopResult]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,741 INFO L262 CegarLoopResult]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,741 INFO L262 CegarLoopResult]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,741 INFO L262 CegarLoopResult]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,741 INFO L262 CegarLoopResult]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,742 INFO L262 CegarLoopResult]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,742 INFO L262 CegarLoopResult]: For program point L1627(line 1627) no Hoare annotation was computed. [2020-12-01 15:52:09,742 INFO L262 CegarLoopResult]: For program point L1561(line 1561) no Hoare annotation was computed. [2020-12-01 15:52:09,742 INFO L262 CegarLoopResult]: For program point L1495(line 1495) no Hoare annotation was computed. [2020-12-01 15:52:09,742 INFO L262 CegarLoopResult]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,742 INFO L262 CegarLoopResult]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,743 INFO L262 CegarLoopResult]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,743 INFO L262 CegarLoopResult]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,743 INFO L262 CegarLoopResult]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,743 INFO L262 CegarLoopResult]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,743 INFO L262 CegarLoopResult]: For program point L1630(line 1630) no Hoare annotation was computed. [2020-12-01 15:52:09,743 INFO L262 CegarLoopResult]: For program point L1564(line 1564) no Hoare annotation was computed. [2020-12-01 15:52:09,743 INFO L262 CegarLoopResult]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,744 INFO L262 CegarLoopResult]: For program point L1498(line 1498) no Hoare annotation was computed. [2020-12-01 15:52:09,744 INFO L262 CegarLoopResult]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,744 INFO L262 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-12-01 15:52:09,744 INFO L262 CegarLoopResult]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2020-12-01 15:52:09,744 INFO L262 CegarLoopResult]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,744 INFO L262 CegarLoopResult]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,745 INFO L262 CegarLoopResult]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,745 INFO L262 CegarLoopResult]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,745 INFO L262 CegarLoopResult]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,745 INFO L262 CegarLoopResult]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,745 INFO L262 CegarLoopResult]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,745 INFO L262 CegarLoopResult]: For program point L1633(line 1633) no Hoare annotation was computed. [2020-12-01 15:52:09,745 INFO L262 CegarLoopResult]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,746 INFO L262 CegarLoopResult]: For program point L1567(line 1567) no Hoare annotation was computed. [2020-12-01 15:52:09,746 INFO L262 CegarLoopResult]: For program point L1501(line 1501) no Hoare annotation was computed. [2020-12-01 15:52:09,746 INFO L262 CegarLoopResult]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,746 INFO L262 CegarLoopResult]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,746 INFO L262 CegarLoopResult]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,746 INFO L262 CegarLoopResult]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,746 INFO L262 CegarLoopResult]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2020-12-01 15:52:09,747 INFO L262 CegarLoopResult]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2020-12-01 15:52:09,747 INFO L262 CegarLoopResult]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,747 INFO L262 CegarLoopResult]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,747 INFO L262 CegarLoopResult]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,747 INFO L262 CegarLoopResult]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,747 INFO L262 CegarLoopResult]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,748 INFO L262 CegarLoopResult]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,748 INFO L262 CegarLoopResult]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,748 INFO L262 CegarLoopResult]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,748 INFO L262 CegarLoopResult]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,748 INFO L262 CegarLoopResult]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,748 INFO L262 CegarLoopResult]: For program point L1636(line 1636) no Hoare annotation was computed. [2020-12-01 15:52:09,748 INFO L262 CegarLoopResult]: For program point L1570(line 1570) no Hoare annotation was computed. [2020-12-01 15:52:09,749 INFO L262 CegarLoopResult]: For program point L1504(line 1504) no Hoare annotation was computed. [2020-12-01 15:52:09,749 INFO L262 CegarLoopResult]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,749 INFO L262 CegarLoopResult]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,749 INFO L262 CegarLoopResult]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,749 INFO L262 CegarLoopResult]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,749 INFO L262 CegarLoopResult]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,750 INFO L262 CegarLoopResult]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,750 INFO L262 CegarLoopResult]: For program point L1639(line 1639) no Hoare annotation was computed. [2020-12-01 15:52:09,750 INFO L262 CegarLoopResult]: For program point L1573(line 1573) no Hoare annotation was computed. [2020-12-01 15:52:09,750 INFO L262 CegarLoopResult]: For program point L1507(line 1507) no Hoare annotation was computed. [2020-12-01 15:52:09,750 INFO L262 CegarLoopResult]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,750 INFO L262 CegarLoopResult]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,750 INFO L262 CegarLoopResult]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,750 INFO L262 CegarLoopResult]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,750 INFO L262 CegarLoopResult]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,751 INFO L262 CegarLoopResult]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,751 INFO L262 CegarLoopResult]: For program point L1642(line 1642) no Hoare annotation was computed. [2020-12-01 15:52:09,751 INFO L262 CegarLoopResult]: For program point L1576(line 1576) no Hoare annotation was computed. [2020-12-01 15:52:09,751 INFO L262 CegarLoopResult]: For program point L1510(line 1510) no Hoare annotation was computed. [2020-12-01 15:52:09,751 INFO L262 CegarLoopResult]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,751 INFO L262 CegarLoopResult]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,751 INFO L262 CegarLoopResult]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,751 INFO L262 CegarLoopResult]: For program point L388(lines 388 405) no Hoare annotation was computed. [2020-12-01 15:52:09,751 INFO L262 CegarLoopResult]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,751 INFO L262 CegarLoopResult]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2020-12-01 15:52:09,751 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:52:09,751 INFO L262 CegarLoopResult]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,752 INFO L262 CegarLoopResult]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,752 INFO L262 CegarLoopResult]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2020-12-01 15:52:09,752 INFO L262 CegarLoopResult]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2020-12-01 15:52:09,752 INFO L262 CegarLoopResult]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,752 INFO L262 CegarLoopResult]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,752 INFO L262 CegarLoopResult]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,752 INFO L262 CegarLoopResult]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,752 INFO L262 CegarLoopResult]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,752 INFO L262 CegarLoopResult]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,753 INFO L262 CegarLoopResult]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,753 INFO L262 CegarLoopResult]: For program point L720(lines 720 741) no Hoare annotation was computed. [2020-12-01 15:52:09,753 INFO L262 CegarLoopResult]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2020-12-01 15:52:09,753 INFO L262 CegarLoopResult]: For program point L1645(line 1645) no Hoare annotation was computed. [2020-12-01 15:52:09,753 INFO L262 CegarLoopResult]: For program point L1579(line 1579) no Hoare annotation was computed. [2020-12-01 15:52:09,753 INFO L262 CegarLoopResult]: For program point L1513(line 1513) no Hoare annotation was computed. [2020-12-01 15:52:09,753 INFO L262 CegarLoopResult]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,754 INFO L262 CegarLoopResult]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,754 INFO L262 CegarLoopResult]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,754 INFO L262 CegarLoopResult]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,754 INFO L262 CegarLoopResult]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,754 INFO L262 CegarLoopResult]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,754 INFO L262 CegarLoopResult]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,755 INFO L262 CegarLoopResult]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,755 INFO L262 CegarLoopResult]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,755 INFO L262 CegarLoopResult]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,755 INFO L262 CegarLoopResult]: For program point L1648(line 1648) no Hoare annotation was computed. [2020-12-01 15:52:09,755 INFO L262 CegarLoopResult]: For program point L1582(line 1582) no Hoare annotation was computed. [2020-12-01 15:52:09,755 INFO L262 CegarLoopResult]: For program point L1516(line 1516) no Hoare annotation was computed. [2020-12-01 15:52:09,755 INFO L262 CegarLoopResult]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,756 INFO L262 CegarLoopResult]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,756 INFO L262 CegarLoopResult]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,756 INFO L262 CegarLoopResult]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,756 INFO L262 CegarLoopResult]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,756 INFO L262 CegarLoopResult]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,756 INFO L262 CegarLoopResult]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,757 INFO L262 CegarLoopResult]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,757 INFO L262 CegarLoopResult]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,757 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:52:09,757 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-12-01 15:52:09,757 INFO L262 CegarLoopResult]: For program point L1651(line 1651) no Hoare annotation was computed. [2020-12-01 15:52:09,757 INFO L262 CegarLoopResult]: For program point L1585(line 1585) no Hoare annotation was computed. [2020-12-01 15:52:09,758 INFO L262 CegarLoopResult]: For program point L1519(line 1519) no Hoare annotation was computed. [2020-12-01 15:52:09,758 INFO L262 CegarLoopResult]: For program point L66(lines 66 81) no Hoare annotation was computed. [2020-12-01 15:52:09,758 INFO L262 CegarLoopResult]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2020-12-01 15:52:09,758 INFO L262 CegarLoopResult]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,758 INFO L262 CegarLoopResult]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,758 INFO L262 CegarLoopResult]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,758 INFO L262 CegarLoopResult]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,759 INFO L262 CegarLoopResult]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,759 INFO L262 CegarLoopResult]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,759 INFO L262 CegarLoopResult]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,759 INFO L262 CegarLoopResult]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,759 INFO L262 CegarLoopResult]: For program point L1654(line 1654) no Hoare annotation was computed. [2020-12-01 15:52:09,759 INFO L262 CegarLoopResult]: For program point L1588(line 1588) no Hoare annotation was computed. [2020-12-01 15:52:09,760 INFO L262 CegarLoopResult]: For program point L1522(line 1522) no Hoare annotation was computed. [2020-12-01 15:52:09,760 INFO L262 CegarLoopResult]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,760 INFO L262 CegarLoopResult]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,760 INFO L262 CegarLoopResult]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,760 INFO L262 CegarLoopResult]: For program point L928(lines 928 945) no Hoare annotation was computed. [2020-12-01 15:52:09,760 INFO L262 CegarLoopResult]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2020-12-01 15:52:09,760 INFO L262 CegarLoopResult]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,761 INFO L262 CegarLoopResult]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,761 INFO L262 CegarLoopResult]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,761 INFO L262 CegarLoopResult]: For program point L202(lines 202 221) no Hoare annotation was computed. [2020-12-01 15:52:09,761 INFO L262 CegarLoopResult]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,761 INFO L262 CegarLoopResult]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2020-12-01 15:52:09,761 INFO L262 CegarLoopResult]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,762 INFO L262 CegarLoopResult]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2020-12-01 15:52:09,762 INFO L262 CegarLoopResult]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,762 INFO L262 CegarLoopResult]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,762 INFO L262 CegarLoopResult]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2020-12-01 15:52:09,762 INFO L262 CegarLoopResult]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2020-12-01 15:52:09,762 INFO L262 CegarLoopResult]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2020-12-01 15:52:09,763 INFO L262 CegarLoopResult]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2020-12-01 15:52:09,763 INFO L262 CegarLoopResult]: For program point L1657(line 1657) no Hoare annotation was computed. [2020-12-01 15:52:09,763 INFO L262 CegarLoopResult]: For program point L1591(line 1591) no Hoare annotation was computed. [2020-12-01 15:52:09,763 INFO L262 CegarLoopResult]: For program point L1525(line 1525) no Hoare annotation was computed. [2020-12-01 15:52:09,763 INFO L262 CegarLoopResult]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,763 INFO L262 CegarLoopResult]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,763 INFO L262 CegarLoopResult]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,764 INFO L258 CegarLoopResult]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse1 (= ~a27~0 1)) (.cse4 (= ~a11~0 1)) (.cse0 (= ~a5~0 1)) (.cse3 (<= ~a26~0 0)) (.cse5 (= ~a3~0 0)) (.cse2 (<= ~a6~0 0))) (or (and .cse0 .cse1 (= ~a15~0 1) .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 (= ~a6~0 1)) (and .cse0 .cse2 (= ~a3~0 1)) (and (= ~a12~0 1) .cse0 (= ~a26~0 1) .cse2) (and .cse0 .cse5 .cse4 .cse2) (and .cse0 .cse3 .cse5 .cse2))) [2020-12-01 15:52:09,764 INFO L262 CegarLoopResult]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,764 INFO L262 CegarLoopResult]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,764 INFO L262 CegarLoopResult]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,765 INFO L262 CegarLoopResult]: For program point L1594(line 1594) no Hoare annotation was computed. [2020-12-01 15:52:09,765 INFO L262 CegarLoopResult]: For program point L1528(line 1528) no Hoare annotation was computed. [2020-12-01 15:52:09,765 INFO L262 CegarLoopResult]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,765 INFO L262 CegarLoopResult]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,765 INFO L262 CegarLoopResult]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,765 INFO L265 CegarLoopResult]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2020-12-01 15:52:09,766 INFO L262 CegarLoopResult]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,766 INFO L262 CegarLoopResult]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,766 INFO L262 CegarLoopResult]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,766 INFO L262 CegarLoopResult]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,766 INFO L262 CegarLoopResult]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,766 INFO L262 CegarLoopResult]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,767 INFO L262 CegarLoopResult]: For program point L1597(line 1597) no Hoare annotation was computed. [2020-12-01 15:52:09,767 INFO L262 CegarLoopResult]: For program point L1531(line 1531) no Hoare annotation was computed. [2020-12-01 15:52:09,767 INFO L262 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-12-01 15:52:09,767 INFO L262 CegarLoopResult]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,767 INFO L262 CegarLoopResult]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,767 INFO L262 CegarLoopResult]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,768 INFO L262 CegarLoopResult]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,768 INFO L262 CegarLoopResult]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,768 INFO L262 CegarLoopResult]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,768 INFO L262 CegarLoopResult]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,768 INFO L262 CegarLoopResult]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,768 INFO L262 CegarLoopResult]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,769 INFO L262 CegarLoopResult]: For program point L1600(line 1600) no Hoare annotation was computed. [2020-12-01 15:52:09,769 INFO L262 CegarLoopResult]: For program point L1534(line 1534) no Hoare annotation was computed. [2020-12-01 15:52:09,769 INFO L262 CegarLoopResult]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,769 INFO L262 CegarLoopResult]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,769 INFO L262 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2020-12-01 15:52:09,769 INFO L262 CegarLoopResult]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2020-12-01 15:52:09,770 INFO L262 CegarLoopResult]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,770 INFO L258 CegarLoopResult]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse1 (= ~a27~0 1)) (.cse4 (= ~a11~0 1)) (.cse0 (= ~a5~0 1)) (.cse3 (<= ~a26~0 0)) (.cse5 (= ~a3~0 0)) (.cse2 (<= ~a6~0 0))) (or (and .cse0 .cse1 (= ~a15~0 1) .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 (= ~a6~0 1)) (and .cse0 .cse2 (= ~a3~0 1)) (and (= ~a12~0 1) .cse0 (= ~a26~0 1) .cse2) (and .cse0 .cse5 .cse4 .cse2) (and .cse0 .cse3 .cse5 .cse2))) [2020-12-01 15:52:09,770 INFO L262 CegarLoopResult]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,770 INFO L262 CegarLoopResult]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,770 INFO L262 CegarLoopResult]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,771 INFO L262 CegarLoopResult]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,771 INFO L262 CegarLoopResult]: For program point L1603(line 1603) no Hoare annotation was computed. [2020-12-01 15:52:09,771 INFO L262 CegarLoopResult]: For program point L1537(line 1537) no Hoare annotation was computed. [2020-12-01 15:52:09,771 INFO L262 CegarLoopResult]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,771 INFO L262 CegarLoopResult]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,771 INFO L262 CegarLoopResult]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,772 INFO L262 CegarLoopResult]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,772 INFO L262 CegarLoopResult]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,772 INFO L262 CegarLoopResult]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,772 INFO L262 CegarLoopResult]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,772 INFO L262 CegarLoopResult]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,772 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:52:09,772 INFO L262 CegarLoopResult]: For program point L879(lines 879 897) no Hoare annotation was computed. [2020-12-01 15:52:09,773 INFO L262 CegarLoopResult]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2020-12-01 15:52:09,773 INFO L262 CegarLoopResult]: For program point L1606(line 1606) no Hoare annotation was computed. [2020-12-01 15:52:09,773 INFO L262 CegarLoopResult]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,773 INFO L262 CegarLoopResult]: For program point L1540(line 1540) no Hoare annotation was computed. [2020-12-01 15:52:09,773 INFO L262 CegarLoopResult]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,773 INFO L262 CegarLoopResult]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,774 INFO L262 CegarLoopResult]: For program point L1673(line 1673) no Hoare annotation was computed. [2020-12-01 15:52:09,774 INFO L262 CegarLoopResult]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,774 INFO L262 CegarLoopResult]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,774 INFO L262 CegarLoopResult]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,774 INFO L262 CegarLoopResult]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,774 INFO L262 CegarLoopResult]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,775 INFO L262 CegarLoopResult]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2020-12-01 15:52:09,775 INFO L262 CegarLoopResult]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,775 INFO L262 CegarLoopResult]: For program point L1609(line 1609) no Hoare annotation was computed. [2020-12-01 15:52:09,775 INFO L262 CegarLoopResult]: For program point L1543(line 1543) no Hoare annotation was computed. [2020-12-01 15:52:09,775 INFO L262 CegarLoopResult]: For program point L1477(line 1477) no Hoare annotation was computed. [2020-12-01 15:52:09,776 INFO L262 CegarLoopResult]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,776 INFO L262 CegarLoopResult]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,776 INFO L262 CegarLoopResult]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,776 INFO L262 CegarLoopResult]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,776 INFO L262 CegarLoopResult]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,776 INFO L262 CegarLoopResult]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,777 INFO L262 CegarLoopResult]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,777 INFO L262 CegarLoopResult]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,777 INFO L262 CegarLoopResult]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2020-12-01 15:52:09,777 INFO L262 CegarLoopResult]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2020-12-01 15:52:09,777 INFO L262 CegarLoopResult]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,777 INFO L262 CegarLoopResult]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,777 INFO L262 CegarLoopResult]: For program point L1612(line 1612) no Hoare annotation was computed. [2020-12-01 15:52:09,778 INFO L262 CegarLoopResult]: For program point L1546(line 1546) no Hoare annotation was computed. [2020-12-01 15:52:09,778 INFO L262 CegarLoopResult]: For program point L1480(line 1480) no Hoare annotation was computed. [2020-12-01 15:52:09,778 INFO L262 CegarLoopResult]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,778 INFO L262 CegarLoopResult]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,778 INFO L262 CegarLoopResult]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,778 INFO L262 CegarLoopResult]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,779 INFO L262 CegarLoopResult]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,779 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:52:09,779 INFO L262 CegarLoopResult]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,779 INFO L262 CegarLoopResult]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,779 INFO L262 CegarLoopResult]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,779 INFO L262 CegarLoopResult]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,780 INFO L262 CegarLoopResult]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,780 INFO L262 CegarLoopResult]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,780 INFO L262 CegarLoopResult]: For program point L1615(line 1615) no Hoare annotation was computed. [2020-12-01 15:52:09,780 INFO L262 CegarLoopResult]: For program point L1549(line 1549) no Hoare annotation was computed. [2020-12-01 15:52:09,780 INFO L262 CegarLoopResult]: For program point L1483(line 1483) no Hoare annotation was computed. [2020-12-01 15:52:09,780 INFO L262 CegarLoopResult]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,781 INFO L262 CegarLoopResult]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,781 INFO L262 CegarLoopResult]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,781 INFO L262 CegarLoopResult]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,781 INFO L262 CegarLoopResult]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,781 INFO L262 CegarLoopResult]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,781 INFO L262 CegarLoopResult]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,782 INFO L262 CegarLoopResult]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2020-12-01 15:52:09,782 INFO L262 CegarLoopResult]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2020-12-01 15:52:09,782 INFO L262 CegarLoopResult]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,782 INFO L262 CegarLoopResult]: For program point L1618(line 1618) no Hoare annotation was computed. [2020-12-01 15:52:09,782 INFO L262 CegarLoopResult]: For program point L1552(line 1552) no Hoare annotation was computed. [2020-12-01 15:52:09,782 INFO L262 CegarLoopResult]: For program point L1486(line 1486) no Hoare annotation was computed. [2020-12-01 15:52:09,782 INFO L262 CegarLoopResult]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,783 INFO L262 CegarLoopResult]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,783 INFO L262 CegarLoopResult]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,783 INFO L262 CegarLoopResult]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,783 INFO L262 CegarLoopResult]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2020-12-01 15:52:09,783 INFO L262 CegarLoopResult]: For program point L695(lines 695 709) no Hoare annotation was computed. [2020-12-01 15:52:09,783 INFO L262 CegarLoopResult]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2020-12-01 15:52:09,784 INFO L262 CegarLoopResult]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,784 INFO L262 CegarLoopResult]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,784 INFO L262 CegarLoopResult]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:52:09,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:52:09 BoogieIcfgContainer [2020-12-01 15:52:09,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:52:09,808 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:52:09,808 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:52:09,808 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:52:09,809 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:51:49" (3/4) ... [2020-12-01 15:52:09,812 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:52:09,847 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 15:52:09,851 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:52:09,856 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:52:09,860 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:52:10,122 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4290ccd7-3cc3-4c1a-9288-f806a0b052fd/bin/uautomizer/witness.graphml [2020-12-01 15:52:10,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:52:10,124 INFO L168 Benchmark]: Toolchain (without parser) took 24920.05 ms. Allocated memory was 96.5 MB in the beginning and 841.0 MB in the end (delta: 744.5 MB). Free memory was 64.2 MB in the beginning and 475.9 MB in the end (delta: -411.7 MB). Peak memory consumption was 331.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:10,124 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory was 43.5 MB in the beginning and 43.4 MB in the end (delta: 56.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:52:10,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1117.46 ms. Allocated memory is still 96.5 MB. Free memory was 64.0 MB in the beginning and 47.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:10,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.68 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 47.4 MB in the beginning and 93.9 MB in the end (delta: -46.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:10,126 INFO L168 Benchmark]: Boogie Preprocessor took 146.03 ms. Allocated memory is still 132.1 MB. Free memory was 93.9 MB in the beginning and 83.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:10,126 INFO L168 Benchmark]: RCFGBuilder took 2395.52 ms. Allocated memory was 132.1 MB in the beginning and 195.0 MB in the end (delta: 62.9 MB). Free memory was 82.9 MB in the beginning and 113.0 MB in the end (delta: -30.1 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:10,127 INFO L168 Benchmark]: TraceAbstraction took 20740.31 ms. Allocated memory was 195.0 MB in the beginning and 841.0 MB in the end (delta: 645.9 MB). Free memory was 111.9 MB in the beginning and 513.1 MB in the end (delta: -401.1 MB). Peak memory consumption was 243.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:10,127 INFO L168 Benchmark]: Witness Printer took 314.50 ms. Allocated memory is still 841.0 MB. Free memory was 512.0 MB in the beginning and 475.9 MB in the end (delta: 36.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:10,130 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory was 43.5 MB in the beginning and 43.4 MB in the end (delta: 56.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1117.46 ms. Allocated memory is still 96.5 MB. Free memory was 64.0 MB in the beginning and 47.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 196.68 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 47.4 MB in the beginning and 93.9 MB in the end (delta: -46.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 146.03 ms. Allocated memory is still 132.1 MB. Free memory was 93.9 MB in the beginning and 83.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2395.52 ms. Allocated memory was 132.1 MB in the beginning and 195.0 MB in the end (delta: 62.9 MB). Free memory was 82.9 MB in the beginning and 113.0 MB in the end (delta: -30.1 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20740.31 ms. Allocated memory was 195.0 MB in the beginning and 841.0 MB in the end (delta: 645.9 MB). Free memory was 111.9 MB in the beginning and 513.1 MB in the end (delta: -401.1 MB). Peak memory consumption was 243.7 MB. Max. memory is 16.1 GB. * Witness Printer took 314.50 ms. Allocated memory is still 841.0 MB. Free memory was 512.0 MB in the beginning and 475.9 MB in the end (delta: 36.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((a5 == 1 && a27 == 1) && a15 == 1) && a6 <= 0) || (((a5 == 1 && a26 <= 0) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a27 == 1) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a27 == 1) && a26 <= 0) && a6 <= 0)) || (a5 == 1 && a6 == 1)) || ((a5 == 1 && a6 <= 0) && a3 == 1)) || (((a12 == 1 && a5 == 1) && a26 == 1) && a6 <= 0)) || (((a5 == 1 && a3 == 0) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a26 <= 0) && a3 == 0) && a6 <= 0) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((a5 == 1 && a27 == 1) && a15 == 1) && a6 <= 0) || (((a5 == 1 && a26 <= 0) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a27 == 1) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a27 == 1) && a26 <= 0) && a6 <= 0)) || (a5 == 1 && a6 == 1)) || ((a5 == 1 && a6 <= 0) && a3 == 1)) || (((a12 == 1 && a5 == 1) && a26 == 1) && a6 <= 0)) || (((a5 == 1 && a3 == 0) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a26 <= 0) && a3 == 0) && a6 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.2s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 13.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2108 SDtfs, 2599 SDslu, 222 SDs, 0 SdLazy, 6438 SolverSat, 1467 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 563 GetRequests, 547 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17303occurred in iteration=10, 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, 11 MinimizatonAttempts, 44 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 231 NumberOfFragments, 219 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3796 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 3161 NumberOfCodeBlocks, 3161 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3148 ConstructedInterpolants, 0 QuantifiedInterpolants, 1385109 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1030 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 1151/1163 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...