./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/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 bf908eb74c6f2bb544e29965e856760f507d63fb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:34:40,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:34:40,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:34:40,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:34:40,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:34:40,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:34:40,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:34:40,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:34:40,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:34:40,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:34:40,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:34:40,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:34:40,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:34:40,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:34:40,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:34:40,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:34:40,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:34:40,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:34:40,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:34:40,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:34:40,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:34:40,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:34:40,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:34:40,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:34:40,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:34:40,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:34:40,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:34:40,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:34:40,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:34:40,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:34:40,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:34:40,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:34:40,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:34:40,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:34:40,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:34:40,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:34:40,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:34:40,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:34:40,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:34:40,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:34:40,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:34:40,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:34:40,770 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:34:40,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:34:40,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:34:40,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:34:40,772 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:34:40,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:34:40,773 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:34:40,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:34:40,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:34:40,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:34:40,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:34:40,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:34:40,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:34:40,774 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:34:40,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:34:40,774 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:34:40,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:34:40,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:34:40,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:34:40,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:34:40,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:34:40,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:34:40,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:34:40,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:34:40,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:34:40,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:34:40,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:34:40,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:34:40,777 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:34:40,777 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_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf908eb74c6f2bb544e29965e856760f507d63fb [2020-11-29 19:34:41,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:34:41,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:34:41,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:34:41,091 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:34:41,093 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:34:41,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2020-11-29 19:34:41,209 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/bin/uautomizer/data/145912f27/326808115b104fc58bd1999a5e164c48/FLAGa37007af2 [2020-11-29 19:34:41,906 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:34:41,907 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2020-11-29 19:34:41,928 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/bin/uautomizer/data/145912f27/326808115b104fc58bd1999a5e164c48/FLAGa37007af2 [2020-11-29 19:34:42,098 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/bin/uautomizer/data/145912f27/326808115b104fc58bd1999a5e164c48 [2020-11-29 19:34:42,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:34:42,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:34:42,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:34:42,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:34:42,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:34:42,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:34:42" (1/1) ... [2020-11-29 19:34:42,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@881e154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:42, skipping insertion in model container [2020-11-29 19:34:42,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:34:42" (1/1) ... [2020-11-29 19:34:42,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:34:42,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:34:42,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:34:42,740 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:34:42,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:34:42,908 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:34:42,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:42 WrapperNode [2020-11-29 19:34:42,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:34:42,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:34:42,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:34:42,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:34:42,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:42" (1/1) ... [2020-11-29 19:34:42,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:42" (1/1) ... [2020-11-29 19:34:43,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:34:43,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:34:43,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:34:43,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:34:43,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:42" (1/1) ... [2020-11-29 19:34:43,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:42" (1/1) ... [2020-11-29 19:34:43,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:42" (1/1) ... [2020-11-29 19:34:43,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:42" (1/1) ... [2020-11-29 19:34:43,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:42" (1/1) ... [2020-11-29 19:34:43,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:42" (1/1) ... [2020-11-29 19:34:43,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:42" (1/1) ... [2020-11-29 19:34:43,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:34:43,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:34:43,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:34:43,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:34:43,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:34:43,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:34:43,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:34:43,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:34:43,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:34:45,597 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:34:45,600 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:34:45,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:34:45 BoogieIcfgContainer [2020-11-29 19:34:45,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:34:45,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:34:45,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:34:45,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:34:45,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:34:42" (1/3) ... [2020-11-29 19:34:45,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bfef69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:34:45, skipping insertion in model container [2020-11-29 19:34:45,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:42" (2/3) ... [2020-11-29 19:34:45,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bfef69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:34:45, skipping insertion in model container [2020-11-29 19:34:45,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:34:45" (3/3) ... [2020-11-29 19:34:45,615 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label04.c [2020-11-29 19:34:45,626 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:34:45,631 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:34:45,643 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:34:45,685 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:34:45,685 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:34:45,685 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:34:45,686 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:34:45,686 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:34:45,686 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:34:45,686 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:34:45,686 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:34:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-11-29 19:34:45,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 19:34:45,724 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:45,725 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] [2020-11-29 19:34:45,726 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:45,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:45,734 INFO L82 PathProgramCache]: Analyzing trace with hash -92557335, now seen corresponding path program 1 times [2020-11-29 19:34:45,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:45,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420256227] [2020-11-29 19:34:45,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:46,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:46,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420256227] [2020-11-29 19:34:46,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:46,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:34:46,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295360841] [2020-11-29 19:34:46,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:34:46,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:46,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:34:46,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:46,101 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-11-29 19:34:48,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:48,406 INFO L93 Difference]: Finished difference Result 764 states and 1353 transitions. [2020-11-29 19:34:48,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:34:48,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-11-29 19:34:48,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:48,435 INFO L225 Difference]: With dead ends: 764 [2020-11-29 19:34:48,439 INFO L226 Difference]: Without dead ends: 416 [2020-11-29 19:34:48,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:48,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-11-29 19:34:48,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 408. [2020-11-29 19:34:48,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-11-29 19:34:48,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 657 transitions. [2020-11-29 19:34:48,555 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 657 transitions. Word has length 53 [2020-11-29 19:34:48,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:48,556 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 657 transitions. [2020-11-29 19:34:48,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:34:48,557 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 657 transitions. [2020-11-29 19:34:48,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-29 19:34:48,569 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:48,570 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:34:48,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:34:48,570 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:48,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:48,571 INFO L82 PathProgramCache]: Analyzing trace with hash -799094778, now seen corresponding path program 1 times [2020-11-29 19:34:48,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:48,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849793408] [2020-11-29 19:34:48,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:48,810 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:48,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849793408] [2020-11-29 19:34:48,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:48,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:34:48,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098330994] [2020-11-29 19:34:48,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:34:48,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:48,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:34:48,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:48,822 INFO L87 Difference]: Start difference. First operand 408 states and 657 transitions. Second operand 3 states. [2020-11-29 19:34:50,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:50,004 INFO L93 Difference]: Finished difference Result 1189 states and 1922 transitions. [2020-11-29 19:34:50,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:34:50,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-11-29 19:34:50,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:50,010 INFO L225 Difference]: With dead ends: 1189 [2020-11-29 19:34:50,011 INFO L226 Difference]: Without dead ends: 783 [2020-11-29 19:34:50,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:50,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-11-29 19:34:50,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2020-11-29 19:34:50,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2020-11-29 19:34:50,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1128 transitions. [2020-11-29 19:34:50,064 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1128 transitions. Word has length 118 [2020-11-29 19:34:50,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:50,068 INFO L481 AbstractCegarLoop]: Abstraction has 783 states and 1128 transitions. [2020-11-29 19:34:50,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:34:50,069 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1128 transitions. [2020-11-29 19:34:50,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-29 19:34:50,071 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:50,071 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:34:50,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:34:50,072 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:50,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:50,072 INFO L82 PathProgramCache]: Analyzing trace with hash 623343278, now seen corresponding path program 1 times [2020-11-29 19:34:50,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:50,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435715302] [2020-11-29 19:34:50,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:50,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435715302] [2020-11-29 19:34:50,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:50,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:34:50,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705048252] [2020-11-29 19:34:50,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:34:50,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:50,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:34:50,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:50,275 INFO L87 Difference]: Start difference. First operand 783 states and 1128 transitions. Second operand 3 states. [2020-11-29 19:34:51,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:51,452 INFO L93 Difference]: Finished difference Result 1942 states and 2803 transitions. [2020-11-29 19:34:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:34:51,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-29 19:34:51,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:51,460 INFO L225 Difference]: With dead ends: 1942 [2020-11-29 19:34:51,460 INFO L226 Difference]: Without dead ends: 1161 [2020-11-29 19:34:51,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:51,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2020-11-29 19:34:51,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1151. [2020-11-29 19:34:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2020-11-29 19:34:51,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1538 transitions. [2020-11-29 19:34:51,503 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1538 transitions. Word has length 121 [2020-11-29 19:34:51,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:51,506 INFO L481 AbstractCegarLoop]: Abstraction has 1151 states and 1538 transitions. [2020-11-29 19:34:51,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:34:51,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1538 transitions. [2020-11-29 19:34:51,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-29 19:34:51,509 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:51,509 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:34:51,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:34:51,510 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:51,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:51,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1675105328, now seen corresponding path program 1 times [2020-11-29 19:34:51,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:51,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061127224] [2020-11-29 19:34:51,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:51,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061127224] [2020-11-29 19:34:51,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:51,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:34:51,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099992535] [2020-11-29 19:34:51,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:34:51,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:51,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:34:51,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:51,728 INFO L87 Difference]: Start difference. First operand 1151 states and 1538 transitions. Second operand 3 states. [2020-11-29 19:34:52,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:52,961 INFO L93 Difference]: Finished difference Result 2853 states and 3736 transitions. [2020-11-29 19:34:52,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:34:52,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-11-29 19:34:52,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:52,976 INFO L225 Difference]: With dead ends: 2853 [2020-11-29 19:34:52,976 INFO L226 Difference]: Without dead ends: 1704 [2020-11-29 19:34:52,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:52,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2020-11-29 19:34:53,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1519. [2020-11-29 19:34:53,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2020-11-29 19:34:53,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1924 transitions. [2020-11-29 19:34:53,013 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1924 transitions. Word has length 122 [2020-11-29 19:34:53,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:53,015 INFO L481 AbstractCegarLoop]: Abstraction has 1519 states and 1924 transitions. [2020-11-29 19:34:53,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:34:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1924 transitions. [2020-11-29 19:34:53,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-11-29 19:34:53,018 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:53,018 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:34:53,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:34:53,019 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:53,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:53,019 INFO L82 PathProgramCache]: Analyzing trace with hash 945104371, now seen corresponding path program 1 times [2020-11-29 19:34:53,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:53,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907061116] [2020-11-29 19:34:53,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-11-29 19:34:53,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907061116] [2020-11-29 19:34:53,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:53,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:34:53,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639119456] [2020-11-29 19:34:53,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:34:53,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:53,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:34:53,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:53,269 INFO L87 Difference]: Start difference. First operand 1519 states and 1924 transitions. Second operand 3 states. [2020-11-29 19:34:54,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:54,312 INFO L93 Difference]: Finished difference Result 3963 states and 4902 transitions. [2020-11-29 19:34:54,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:34:54,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2020-11-29 19:34:54,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:54,327 INFO L225 Difference]: With dead ends: 3963 [2020-11-29 19:34:54,327 INFO L226 Difference]: Without dead ends: 2446 [2020-11-29 19:34:54,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:54,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2020-11-29 19:34:54,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2261. [2020-11-29 19:34:54,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2261 states. [2020-11-29 19:34:54,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 2763 transitions. [2020-11-29 19:34:54,378 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 2763 transitions. Word has length 196 [2020-11-29 19:34:54,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:54,380 INFO L481 AbstractCegarLoop]: Abstraction has 2261 states and 2763 transitions. [2020-11-29 19:34:54,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:34:54,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2763 transitions. [2020-11-29 19:34:54,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-11-29 19:34:54,386 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:54,387 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 19:34:54,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:34:54,387 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:54,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:54,388 INFO L82 PathProgramCache]: Analyzing trace with hash 935240623, now seen corresponding path program 1 times [2020-11-29 19:34:54,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:54,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896682105] [2020-11-29 19:34:54,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:54,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896682105] [2020-11-29 19:34:54,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:54,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:34:54,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119631418] [2020-11-29 19:34:54,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:34:54,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:54,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:34:54,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:54,619 INFO L87 Difference]: Start difference. First operand 2261 states and 2763 transitions. Second operand 3 states. [2020-11-29 19:34:55,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:55,669 INFO L93 Difference]: Finished difference Result 5263 states and 6501 transitions. [2020-11-29 19:34:55,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:34:55,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2020-11-29 19:34:55,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:55,687 INFO L225 Difference]: With dead ends: 5263 [2020-11-29 19:34:55,687 INFO L226 Difference]: Without dead ends: 3188 [2020-11-29 19:34:55,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:55,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3188 states. [2020-11-29 19:34:55,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3188 to 2813. [2020-11-29 19:34:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2813 states. [2020-11-29 19:34:55,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3417 transitions. [2020-11-29 19:34:55,760 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3417 transitions. Word has length 233 [2020-11-29 19:34:55,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:55,764 INFO L481 AbstractCegarLoop]: Abstraction has 2813 states and 3417 transitions. [2020-11-29 19:34:55,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:34:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3417 transitions. [2020-11-29 19:34:55,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-11-29 19:34:55,768 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:55,769 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 19:34:55,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:34:55,769 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:55,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:55,770 INFO L82 PathProgramCache]: Analyzing trace with hash -596222225, now seen corresponding path program 1 times [2020-11-29 19:34:55,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:55,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069656322] [2020-11-29 19:34:55,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:56,008 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-11-29 19:34:56,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069656322] [2020-11-29 19:34:56,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:56,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:34:56,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841021711] [2020-11-29 19:34:56,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:34:56,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:56,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:34:56,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:56,012 INFO L87 Difference]: Start difference. First operand 2813 states and 3417 transitions. Second operand 3 states. [2020-11-29 19:34:57,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:57,355 INFO L93 Difference]: Finished difference Result 7281 states and 8947 transitions. [2020-11-29 19:34:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:34:57,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-11-29 19:34:57,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:57,382 INFO L225 Difference]: With dead ends: 7281 [2020-11-29 19:34:57,383 INFO L226 Difference]: Without dead ends: 4470 [2020-11-29 19:34:57,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:57,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4470 states. [2020-11-29 19:34:57,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4470 to 3549. [2020-11-29 19:34:57,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3549 states. [2020-11-29 19:34:57,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3549 states and 4333 transitions. [2020-11-29 19:34:57,480 INFO L78 Accepts]: Start accepts. Automaton has 3549 states and 4333 transitions. Word has length 234 [2020-11-29 19:34:57,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:57,481 INFO L481 AbstractCegarLoop]: Abstraction has 3549 states and 4333 transitions. [2020-11-29 19:34:57,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:34:57,481 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 4333 transitions. [2020-11-29 19:34:57,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-11-29 19:34:57,487 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:57,488 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 19:34:57,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:34:57,488 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:57,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:57,489 INFO L82 PathProgramCache]: Analyzing trace with hash 129955340, now seen corresponding path program 1 times [2020-11-29 19:34:57,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:57,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079690475] [2020-11-29 19:34:57,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-11-29 19:34:57,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079690475] [2020-11-29 19:34:57,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:57,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:34:57,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155242153] [2020-11-29 19:34:57,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:34:57,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:57,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:34:57,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:57,718 INFO L87 Difference]: Start difference. First operand 3549 states and 4333 transitions. Second operand 3 states. [2020-11-29 19:34:58,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:58,774 INFO L93 Difference]: Finished difference Result 7094 states and 8662 transitions. [2020-11-29 19:34:58,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:34:58,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2020-11-29 19:34:58,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:58,792 INFO L225 Difference]: With dead ends: 7094 [2020-11-29 19:34:58,793 INFO L226 Difference]: Without dead ends: 3547 [2020-11-29 19:34:58,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:58,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3547 states. [2020-11-29 19:34:58,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3547 to 3363. [2020-11-29 19:34:58,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3363 states. [2020-11-29 19:34:58,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 3363 states and 3910 transitions. [2020-11-29 19:34:58,864 INFO L78 Accepts]: Start accepts. Automaton has 3363 states and 3910 transitions. Word has length 278 [2020-11-29 19:34:58,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:58,865 INFO L481 AbstractCegarLoop]: Abstraction has 3363 states and 3910 transitions. [2020-11-29 19:34:58,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:34:58,865 INFO L276 IsEmpty]: Start isEmpty. Operand 3363 states and 3910 transitions. [2020-11-29 19:34:58,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-11-29 19:34:58,874 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:58,875 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 19:34:58,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:34:58,875 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:58,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:58,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1576030718, now seen corresponding path program 1 times [2020-11-29 19:34:58,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:58,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858210296] [2020-11-29 19:34:58,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-11-29 19:34:59,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858210296] [2020-11-29 19:34:59,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:59,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:34:59,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048500120] [2020-11-29 19:34:59,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:34:59,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:59,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:34:59,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:59,212 INFO L87 Difference]: Start difference. First operand 3363 states and 3910 transitions. Second operand 3 states. [2020-11-29 19:34:59,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:59,856 INFO L93 Difference]: Finished difference Result 6720 states and 7814 transitions. [2020-11-29 19:34:59,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:34:59,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 335 [2020-11-29 19:34:59,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:59,873 INFO L225 Difference]: With dead ends: 6720 [2020-11-29 19:34:59,874 INFO L226 Difference]: Without dead ends: 3359 [2020-11-29 19:34:59,878 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:59,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3359 states. [2020-11-29 19:34:59,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3359 to 3359. [2020-11-29 19:34:59,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3359 states. [2020-11-29 19:34:59,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3359 states to 3359 states and 3901 transitions. [2020-11-29 19:34:59,946 INFO L78 Accepts]: Start accepts. Automaton has 3359 states and 3901 transitions. Word has length 335 [2020-11-29 19:34:59,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:59,947 INFO L481 AbstractCegarLoop]: Abstraction has 3359 states and 3901 transitions. [2020-11-29 19:34:59,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:34:59,947 INFO L276 IsEmpty]: Start isEmpty. Operand 3359 states and 3901 transitions. [2020-11-29 19:34:59,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-11-29 19:34:59,956 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:59,957 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:34:59,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:34:59,957 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:59,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:59,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1254834655, now seen corresponding path program 1 times [2020-11-29 19:34:59,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:59,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954593086] [2020-11-29 19:34:59,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:35:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:00,560 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 27 proven. 74 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-11-29 19:35:00,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954593086] [2020-11-29 19:35:00,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110905476] [2020-11-29 19:35:00,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:35:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:00,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:35:00,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:35:00,959 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-11-29 19:35:00,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:35:00,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 19:35:00,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436814139] [2020-11-29 19:35:00,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:35:00,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:35:00,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:35:00,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:35:00,962 INFO L87 Difference]: Start difference. First operand 3359 states and 3901 transitions. Second operand 3 states. [2020-11-29 19:35:02,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:35:02,747 INFO L93 Difference]: Finished difference Result 8006 states and 9403 transitions. [2020-11-29 19:35:02,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:35:02,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2020-11-29 19:35:02,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:35:02,770 INFO L225 Difference]: With dead ends: 8006 [2020-11-29 19:35:02,770 INFO L226 Difference]: Without dead ends: 4649 [2020-11-29 19:35:02,775 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:35:02,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4649 states. [2020-11-29 19:35:02,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4649 to 4094. [2020-11-29 19:35:02,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4094 states. [2020-11-29 19:35:02,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4094 states to 4094 states and 4701 transitions. [2020-11-29 19:35:02,857 INFO L78 Accepts]: Start accepts. Automaton has 4094 states and 4701 transitions. Word has length 336 [2020-11-29 19:35:02,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:35:02,858 INFO L481 AbstractCegarLoop]: Abstraction has 4094 states and 4701 transitions. [2020-11-29 19:35:02,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:35:02,858 INFO L276 IsEmpty]: Start isEmpty. Operand 4094 states and 4701 transitions. [2020-11-29 19:35:02,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-11-29 19:35:02,869 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:35:02,869 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:35:03,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-29 19:35:03,098 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:35:03,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:35:03,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1519429153, now seen corresponding path program 1 times [2020-11-29 19:35:03,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:35:03,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824626749] [2020-11-29 19:35:03,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:35:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:03,480 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 152 proven. 173 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-11-29 19:35:03,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824626749] [2020-11-29 19:35:03,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286111131] [2020-11-29 19:35:03,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:35:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:03,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 19:35:03,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:35:03,945 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-11-29 19:35:03,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:35:03,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 19:35:03,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703197262] [2020-11-29 19:35:03,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:35:03,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:35:03,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:35:03,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:35:03,949 INFO L87 Difference]: Start difference. First operand 4094 states and 4701 transitions. Second operand 3 states. [2020-11-29 19:35:05,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:35:05,186 INFO L93 Difference]: Finished difference Result 8187 states and 9402 transitions. [2020-11-29 19:35:05,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:35:05,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 355 [2020-11-29 19:35:05,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:35:05,213 INFO L225 Difference]: With dead ends: 8187 [2020-11-29 19:35:05,214 INFO L226 Difference]: Without dead ends: 4095 [2020-11-29 19:35:05,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:35:05,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4095 states. [2020-11-29 19:35:05,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4095 to 4095. [2020-11-29 19:35:05,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4095 states. [2020-11-29 19:35:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4095 states to 4095 states and 4660 transitions. [2020-11-29 19:35:05,290 INFO L78 Accepts]: Start accepts. Automaton has 4095 states and 4660 transitions. Word has length 355 [2020-11-29 19:35:05,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:35:05,291 INFO L481 AbstractCegarLoop]: Abstraction has 4095 states and 4660 transitions. [2020-11-29 19:35:05,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:35:05,291 INFO L276 IsEmpty]: Start isEmpty. Operand 4095 states and 4660 transitions. [2020-11-29 19:35:05,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-11-29 19:35:05,304 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:35:05,304 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:35:05,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:35:05,517 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:35:05,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:35:05,518 INFO L82 PathProgramCache]: Analyzing trace with hash 740055185, now seen corresponding path program 1 times [2020-11-29 19:35:05,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:35:05,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747708239] [2020-11-29 19:35:05,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:35:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:05,878 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 152 proven. 153 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-11-29 19:35:05,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747708239] [2020-11-29 19:35:05,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437435700] [2020-11-29 19:35:05,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:35:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:06,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 19:35:06,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:35:06,044 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:35:06,065 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:35:06,090 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 19:35:06,554 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-11-29 19:35:06,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:35:06,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2020-11-29 19:35:06,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060436155] [2020-11-29 19:35:06,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:35:06,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:35:06,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:35:06,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:35:06,557 INFO L87 Difference]: Start difference. First operand 4095 states and 4660 transitions. Second operand 4 states. [2020-11-29 19:35:07,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:35:07,859 INFO L93 Difference]: Finished difference Result 8743 states and 9970 transitions. [2020-11-29 19:35:07,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:35:07,859 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 369 [2020-11-29 19:35:07,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:35:07,868 INFO L225 Difference]: With dead ends: 8743 [2020-11-29 19:35:07,868 INFO L226 Difference]: Without dead ends: 4650 [2020-11-29 19:35:07,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 367 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:35:07,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4650 states. [2020-11-29 19:35:07,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4650 to 4647. [2020-11-29 19:35:07,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4647 states. [2020-11-29 19:35:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4647 states to 4647 states and 5236 transitions. [2020-11-29 19:35:07,945 INFO L78 Accepts]: Start accepts. Automaton has 4647 states and 5236 transitions. Word has length 369 [2020-11-29 19:35:07,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:35:07,946 INFO L481 AbstractCegarLoop]: Abstraction has 4647 states and 5236 transitions. [2020-11-29 19:35:07,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:35:07,946 INFO L276 IsEmpty]: Start isEmpty. Operand 4647 states and 5236 transitions. [2020-11-29 19:35:07,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2020-11-29 19:35:07,978 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:35:07,978 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:35:08,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-29 19:35:08,179 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:35:08,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:35:08,180 INFO L82 PathProgramCache]: Analyzing trace with hash -254537968, now seen corresponding path program 1 times [2020-11-29 19:35:08,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:35:08,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142013991] [2020-11-29 19:35:08,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:35:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:08,612 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-11-29 19:35:08,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142013991] [2020-11-29 19:35:08,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:35:08,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:35:08,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195006123] [2020-11-29 19:35:08,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:35:08,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:35:08,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:35:08,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:35:08,615 INFO L87 Difference]: Start difference. First operand 4647 states and 5236 transitions. Second operand 4 states. [2020-11-29 19:35:10,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:35:10,383 INFO L93 Difference]: Finished difference Result 12810 states and 14532 transitions. [2020-11-29 19:35:10,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:35:10,384 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 390 [2020-11-29 19:35:10,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:35:10,396 INFO L225 Difference]: With dead ends: 12810 [2020-11-29 19:35:10,396 INFO L226 Difference]: Without dead ends: 8165 [2020-11-29 19:35:10,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:35:10,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8165 states. [2020-11-29 19:35:10,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8165 to 7977. [2020-11-29 19:35:10,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7977 states. [2020-11-29 19:35:10,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7977 states to 7977 states and 9013 transitions. [2020-11-29 19:35:10,521 INFO L78 Accepts]: Start accepts. Automaton has 7977 states and 9013 transitions. Word has length 390 [2020-11-29 19:35:10,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:35:10,521 INFO L481 AbstractCegarLoop]: Abstraction has 7977 states and 9013 transitions. [2020-11-29 19:35:10,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:35:10,522 INFO L276 IsEmpty]: Start isEmpty. Operand 7977 states and 9013 transitions. [2020-11-29 19:35:10,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2020-11-29 19:35:10,538 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:35:10,538 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:35:10,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 19:35:10,539 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:35:10,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:35:10,539 INFO L82 PathProgramCache]: Analyzing trace with hash -762638670, now seen corresponding path program 1 times [2020-11-29 19:35:10,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:35:10,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046853750] [2020-11-29 19:35:10,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:35:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:10,863 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-11-29 19:35:10,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046853750] [2020-11-29 19:35:10,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:35:10,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:35:10,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979781066] [2020-11-29 19:35:10,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:35:10,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:35:10,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:35:10,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:35:10,866 INFO L87 Difference]: Start difference. First operand 7977 states and 9013 transitions. Second operand 3 states. [2020-11-29 19:35:12,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:35:12,009 INFO L93 Difference]: Finished difference Result 17603 states and 20054 transitions. [2020-11-29 19:35:12,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:35:12,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 450 [2020-11-29 19:35:12,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:35:12,026 INFO L225 Difference]: With dead ends: 17603 [2020-11-29 19:35:12,026 INFO L226 Difference]: Without dead ends: 9996 [2020-11-29 19:35:12,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:35:12,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9996 states. [2020-11-29 19:35:12,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9996 to 9993. [2020-11-29 19:35:12,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9993 states. [2020-11-29 19:35:12,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9993 states to 9993 states and 11148 transitions. [2020-11-29 19:35:12,176 INFO L78 Accepts]: Start accepts. Automaton has 9993 states and 11148 transitions. Word has length 450 [2020-11-29 19:35:12,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:35:12,177 INFO L481 AbstractCegarLoop]: Abstraction has 9993 states and 11148 transitions. [2020-11-29 19:35:12,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:35:12,177 INFO L276 IsEmpty]: Start isEmpty. Operand 9993 states and 11148 transitions. [2020-11-29 19:35:12,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2020-11-29 19:35:12,196 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:35:12,197 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:35:12,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 19:35:12,197 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:35:12,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:35:12,200 INFO L82 PathProgramCache]: Analyzing trace with hash 2018170381, now seen corresponding path program 1 times [2020-11-29 19:35:12,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:35:12,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514339278] [2020-11-29 19:35:12,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:35:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:12,546 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-11-29 19:35:12,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514339278] [2020-11-29 19:35:12,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:35:12,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:35:12,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662211264] [2020-11-29 19:35:12,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:35:12,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:35:12,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:35:12,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:35:12,548 INFO L87 Difference]: Start difference. First operand 9993 states and 11148 transitions. Second operand 3 states. [2020-11-29 19:35:13,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:35:13,677 INFO L93 Difference]: Finished difference Result 19611 states and 21878 transitions. [2020-11-29 19:35:13,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:35:13,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 457 [2020-11-29 19:35:13,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:35:13,697 INFO L225 Difference]: With dead ends: 19611 [2020-11-29 19:35:13,698 INFO L226 Difference]: Without dead ends: 9806 [2020-11-29 19:35:13,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:35:13,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9806 states. [2020-11-29 19:35:13,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9806 to 9254. [2020-11-29 19:35:13,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9254 states. [2020-11-29 19:35:13,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9254 states to 9254 states and 10221 transitions. [2020-11-29 19:35:13,867 INFO L78 Accepts]: Start accepts. Automaton has 9254 states and 10221 transitions. Word has length 457 [2020-11-29 19:35:13,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:35:13,868 INFO L481 AbstractCegarLoop]: Abstraction has 9254 states and 10221 transitions. [2020-11-29 19:35:13,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:35:13,868 INFO L276 IsEmpty]: Start isEmpty. Operand 9254 states and 10221 transitions. [2020-11-29 19:35:13,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2020-11-29 19:35:13,891 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:35:13,892 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:35:13,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 19:35:13,893 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:35:13,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:35:13,894 INFO L82 PathProgramCache]: Analyzing trace with hash 2033482954, now seen corresponding path program 1 times [2020-11-29 19:35:13,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:35:13,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766079912] [2020-11-29 19:35:13,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:35:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:14,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1528 backedges. 930 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2020-11-29 19:35:14,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766079912] [2020-11-29 19:35:14,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:35:14,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:35:14,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569609893] [2020-11-29 19:35:14,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:35:14,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:35:14,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:35:14,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:35:14,398 INFO L87 Difference]: Start difference. First operand 9254 states and 10221 transitions. Second operand 3 states. [2020-11-29 19:35:15,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:35:15,496 INFO L93 Difference]: Finished difference Result 19053 states and 21048 transitions. [2020-11-29 19:35:15,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:35:15,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 629 [2020-11-29 19:35:15,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:35:15,498 INFO L225 Difference]: With dead ends: 19053 [2020-11-29 19:35:15,498 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:35:15,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:35:15,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:35:15,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:35:15,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:35:15,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:35:15,512 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 629 [2020-11-29 19:35:15,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:35:15,513 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:35:15,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:35:15,513 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:35:15,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:35:15,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-29 19:35:15,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:35:15,644 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 85 [2020-11-29 19:35:16,125 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2020-11-29 19:35:16,375 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2020-11-29 19:35:16,377 INFO L274 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-11-29 19:35:16,377 INFO L274 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,378 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-11-29 19:35:16,378 INFO L274 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,378 INFO L274 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,378 INFO L274 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,378 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,378 INFO L274 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,378 INFO L274 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,378 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-29 19:35:16,378 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-11-29 19:35:16,378 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-29 19:35:16,378 INFO L274 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,379 INFO L274 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,379 INFO L274 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,379 INFO L274 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,379 INFO L274 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,379 INFO L274 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,379 INFO L274 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,379 INFO L274 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,379 INFO L274 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,379 INFO L274 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,379 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-11-29 19:35:16,379 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-29 19:35:16,379 INFO L274 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-11-29 19:35:16,380 INFO L274 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,380 INFO L274 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-11-29 19:35:16,380 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-11-29 19:35:16,380 INFO L274 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,380 INFO L274 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,380 INFO L274 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,380 INFO L274 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,380 INFO L274 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,380 INFO L274 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,380 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-29 19:35:16,380 INFO L274 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-11-29 19:35:16,381 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-29 19:35:16,381 INFO L274 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,381 INFO L274 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,381 INFO L274 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,381 INFO L270 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse5 (< 0 (+ ~a23~0 43))) (.cse4 (<= 10 ~a25~0)) (.cse7 (= ~a4~0 1)) (.cse6 (<= ~a29~0 140)) (.cse8 (= ~a25~0 11)) (.cse0 (<= ~a23~0 312)) (.cse1 (< 277 ~a29~0)) (.cse2 (= ~a8~0 15))) (or (and (<= ~a25~0 10) .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse6 .cse2 .cse5) (and (<= ~a29~0 130) .cse2 .cse7) (and (<= (div (+ ~a29~0 554770) 3) 244) (<= ~a25~0 9) .cse0 .cse2) (and .cse4 .cse2 .cse7) (and (<= 0 (+ ~a23~0 42)) .cse2 .cse7) (and .cse2 (= ~a25~0 12)) (and (= ~a25~0 10) .cse2 (<= 0 (+ (div (+ (* ~a29~0 (- 1)) (- 28690)) 5) 49))) (and .cse8 .cse6 .cse0 .cse2) (and .cse8 .cse0 .cse1 .cse2))) [2020-11-29 19:35:16,381 INFO L274 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,381 INFO L274 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-11-29 19:35:16,381 INFO L274 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-11-29 19:35:16,382 INFO L274 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,382 INFO L274 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,382 INFO L274 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,382 INFO L274 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,382 INFO L274 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,382 INFO L274 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,382 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-29 19:35:16,382 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-11-29 19:35:16,382 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-29 19:35:16,382 INFO L277 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-11-29 19:35:16,382 INFO L274 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,382 INFO L274 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,383 INFO L274 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,383 INFO L274 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,383 INFO L274 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,383 INFO L274 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,383 INFO L274 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,383 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-11-29 19:35:16,383 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-29 19:35:16,383 INFO L274 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-11-29 19:35:16,383 INFO L274 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,383 INFO L274 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,383 INFO L274 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,383 INFO L274 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,384 INFO L274 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,384 INFO L274 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,384 INFO L274 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,384 INFO L274 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,384 INFO L274 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,384 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-29 19:35:16,384 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-29 19:35:16,384 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-29 19:35:16,384 INFO L274 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,385 INFO L270 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse5 (< 0 (+ ~a23~0 43))) (.cse4 (<= 10 ~a25~0)) (.cse7 (= ~a4~0 1)) (.cse6 (<= ~a29~0 140)) (.cse8 (= ~a25~0 11)) (.cse0 (<= ~a23~0 312)) (.cse1 (< 277 ~a29~0)) (.cse2 (= ~a8~0 15))) (or (and (<= ~a25~0 10) .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse6 .cse2 .cse5) (and (<= ~a29~0 130) .cse2 .cse7) (and (<= (div (+ ~a29~0 554770) 3) 244) (<= ~a25~0 9) .cse0 .cse2) (and .cse4 .cse2 .cse7) (and (<= 0 (+ ~a23~0 42)) .cse2 .cse7) (and .cse2 (= ~a25~0 12)) (and (= ~a25~0 10) .cse2 (<= 0 (+ (div (+ (* ~a29~0 (- 1)) (- 28690)) 5) 49))) (and .cse8 .cse6 .cse0 .cse2) (and .cse8 .cse0 .cse1 .cse2))) [2020-11-29 19:35:16,385 INFO L274 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,385 INFO L274 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,385 INFO L274 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,385 INFO L274 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,385 INFO L274 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,387 INFO L274 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,387 INFO L274 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,387 INFO L274 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,387 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-29 19:35:16,387 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-11-29 19:35:16,388 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-29 19:35:16,388 INFO L274 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-11-29 19:35:16,388 INFO L274 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-11-29 19:35:16,388 INFO L274 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-11-29 19:35:16,388 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-11-29 19:35:16,388 INFO L274 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,388 INFO L274 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,389 INFO L274 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,389 INFO L274 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,389 INFO L274 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,389 INFO L274 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,389 INFO L274 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,389 INFO L274 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,389 INFO L274 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,389 INFO L274 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,390 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:35:16,390 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-11-29 19:35:16,390 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-11-29 19:35:16,390 INFO L274 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-11-29 19:35:16,390 INFO L274 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-11-29 19:35:16,390 INFO L274 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,390 INFO L274 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,391 INFO L274 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,391 INFO L274 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,391 INFO L274 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,391 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-11-29 19:35:16,391 INFO L274 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-11-29 19:35:16,391 INFO L274 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-11-29 19:35:16,391 INFO L274 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,392 INFO L274 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,392 INFO L274 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,392 INFO L274 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,392 INFO L274 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-11-29 19:35:16,392 INFO L274 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-11-29 19:35:16,392 INFO L274 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,392 INFO L274 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,392 INFO L274 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,393 INFO L274 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,393 INFO L274 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,393 INFO L274 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,393 INFO L274 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-11-29 19:35:16,393 INFO L274 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-11-29 19:35:16,393 INFO L274 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,393 INFO L274 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,394 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-29 19:35:16,394 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-11-29 19:35:16,394 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-29 19:35:16,394 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:35:16,394 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 19:35:16,394 INFO L274 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,394 INFO L274 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,395 INFO L274 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,395 INFO L274 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,395 INFO L274 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,395 INFO L274 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,395 INFO L274 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,395 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-29 19:35:16,395 INFO L274 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-11-29 19:35:16,395 INFO L274 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-11-29 19:35:16,396 INFO L274 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-11-29 19:35:16,396 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-11-29 19:35:16,396 INFO L274 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-11-29 19:35:16,396 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-11-29 19:35:16,396 INFO L274 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,396 INFO L274 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,396 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-11-29 19:35:16,397 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-11-29 19:35:16,397 INFO L274 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,397 INFO L274 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,397 INFO L274 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,397 INFO L274 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,397 INFO L274 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,397 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-11-29 19:35:16,398 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-29 19:35:16,398 INFO L274 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-11-29 19:35:16,398 INFO L274 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,398 INFO L274 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,398 INFO L274 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,398 INFO L274 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,398 INFO L274 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,398 INFO L274 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,399 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-11-29 19:35:16,399 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-11-29 19:35:16,399 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-29 19:35:16,399 INFO L274 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,399 INFO L274 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,399 INFO L274 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,399 INFO L274 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,400 INFO L274 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,400 INFO L274 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,400 INFO L274 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,400 INFO L274 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,400 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-11-29 19:35:16,400 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-11-29 19:35:16,400 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-29 19:35:16,400 INFO L274 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,401 INFO L274 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,401 INFO L274 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,401 INFO L274 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,401 INFO L274 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,401 INFO L274 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,401 INFO L274 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,401 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 19:35:16,402 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,402 INFO L274 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,402 INFO L274 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,402 INFO L274 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,402 INFO L274 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-11-29 19:35:16,402 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-11-29 19:35:16,402 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-29 19:35:16,403 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-29 19:35:16,403 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-29 19:35:16,403 INFO L274 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,403 INFO L274 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,403 INFO L274 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,403 INFO L274 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,403 INFO L274 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,403 INFO L274 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,404 INFO L274 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,404 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-29 19:35:16,404 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-29 19:35:16,404 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-29 19:35:16,404 INFO L274 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,404 INFO L274 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,404 INFO L274 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,405 INFO L274 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-11-29 19:35:16,405 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-11-29 19:35:16,405 INFO L274 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,405 INFO L274 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,405 INFO L274 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,405 INFO L274 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,405 INFO L274 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,406 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-29 19:35:16,406 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-29 19:35:16,406 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,406 INFO L274 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,406 INFO L274 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-11-29 19:35:16,406 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-11-29 19:35:16,406 INFO L274 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,406 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:35:16,407 INFO L274 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,407 INFO L274 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,407 INFO L274 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,407 INFO L274 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,407 INFO L274 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,407 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-11-29 19:35:16,407 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-29 19:35:16,408 INFO L274 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-11-29 19:35:16,408 INFO L274 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-11-29 19:35:16,408 INFO L274 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,408 INFO L274 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,408 INFO L274 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,408 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,408 INFO L274 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,408 INFO L274 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,409 INFO L274 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,409 INFO L274 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,409 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-29 19:35:16,409 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-11-29 19:35:16,409 INFO L274 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-11-29 19:35:16,409 INFO L274 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-11-29 19:35:16,409 INFO L274 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-11-29 19:35:16,410 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-11-29 19:35:16,410 INFO L274 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,410 INFO L274 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,410 INFO L274 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,410 INFO L274 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,410 INFO L274 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,410 INFO L274 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,411 INFO L274 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,411 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-29 19:35:16,411 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-11-29 19:35:16,411 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:35:16,411 INFO L274 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,411 INFO L274 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,411 INFO L274 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,412 INFO L274 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,412 INFO L274 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,412 INFO L274 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,412 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-29 19:35:16,412 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-29 19:35:16,412 INFO L274 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,412 INFO L274 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,412 INFO L274 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,413 INFO L274 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,413 INFO L274 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,413 INFO L274 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,413 INFO L274 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,413 INFO L274 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-11-29 19:35:16,413 INFO L274 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:35:16,413 INFO L274 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,414 INFO L274 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,414 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-29 19:35:16,414 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-29 19:35:16,414 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-29 19:35:16,414 INFO L274 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-11-29 19:35:16,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:35:16 BoogieIcfgContainer [2020-11-29 19:35:16,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:35:16,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:35:16,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:35:16,435 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:35:16,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:34:45" (3/4) ... [2020-11-29 19:35:16,438 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:35:16,466 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:35:16,469 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:35:16,471 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:35:16,473 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:35:16,681 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b9b878f3-86aa-4e8f-9aa4-d94bd0118f40/bin/uautomizer/witness.graphml [2020-11-29 19:35:16,681 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:35:16,683 INFO L168 Benchmark]: Toolchain (without parser) took 34580.60 ms. Allocated memory was 96.5 MB in the beginning and 887.1 MB in the end (delta: 790.6 MB). Free memory was 57.1 MB in the beginning and 337.5 MB in the end (delta: -280.3 MB). Peak memory consumption was 509.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:35:16,683 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 96.5 MB. Free memory is still 76.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:35:16,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.89 ms. Allocated memory is still 96.5 MB. Free memory was 56.9 MB in the beginning and 38.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:35:16,684 INFO L168 Benchmark]: Boogie Procedure Inliner took 232.16 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 38.7 MB in the beginning and 77.9 MB in the end (delta: -39.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:35:16,684 INFO L168 Benchmark]: Boogie Preprocessor took 105.39 ms. Allocated memory is still 117.4 MB. Free memory was 77.9 MB in the beginning and 67.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:35:16,685 INFO L168 Benchmark]: RCFGBuilder took 2354.92 ms. Allocated memory was 117.4 MB in the beginning and 184.5 MB in the end (delta: 67.1 MB). Free memory was 67.5 MB in the beginning and 140.3 MB in the end (delta: -72.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:35:16,685 INFO L168 Benchmark]: TraceAbstraction took 30828.09 ms. Allocated memory was 184.5 MB in the beginning and 887.1 MB in the end (delta: 702.5 MB). Free memory was 140.3 MB in the beginning and 363.7 MB in the end (delta: -223.4 MB). Peak memory consumption was 479.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:35:16,686 INFO L168 Benchmark]: Witness Printer took 246.89 ms. Allocated memory is still 887.1 MB. Free memory was 363.7 MB in the beginning and 337.5 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:35:16,688 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 96.5 MB. Free memory is still 76.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 801.89 ms. Allocated memory is still 96.5 MB. Free memory was 56.9 MB in the beginning and 38.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 232.16 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 38.7 MB in the beginning and 77.9 MB in the end (delta: -39.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.39 ms. Allocated memory is still 117.4 MB. Free memory was 77.9 MB in the beginning and 67.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2354.92 ms. Allocated memory was 117.4 MB in the beginning and 184.5 MB in the end (delta: 67.1 MB). Free memory was 67.5 MB in the beginning and 140.3 MB in the end (delta: -72.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30828.09 ms. Allocated memory was 184.5 MB in the beginning and 887.1 MB in the end (delta: 702.5 MB). Free memory was 140.3 MB in the beginning and 363.7 MB in the end (delta: -223.4 MB). Peak memory consumption was 479.2 MB. Max. memory is 16.1 GB. * Witness Printer took 246.89 ms. Allocated memory is still 887.1 MB. Free memory was 363.7 MB in the beginning and 337.5 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 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: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((a25 <= 10 && a23 <= 312) && 277 < a29) && a8 == 15) || (((a23 <= 138 && 10 <= a25) && a8 == 15) && 0 < a23 + 43)) || (((a23 <= 138 && a29 <= 140) && a8 == 15) && 0 < a23 + 43)) || ((a29 <= 130 && a8 == 15) && a4 == 1)) || ((((a29 + 554770) / 3 <= 244 && a25 <= 9) && a23 <= 312) && a8 == 15)) || ((10 <= a25 && a8 == 15) && a4 == 1)) || ((0 <= a23 + 42 && a8 == 15) && a4 == 1)) || (a8 == 15 && a25 == 12)) || ((a25 == 10 && a8 == 15) && 0 <= (a29 * -1 + -28690) / 5 + 49)) || (((a25 == 11 && a29 <= 140) && a23 <= 312) && a8 == 15)) || (((a25 == 11 && a23 <= 312) && 277 < a29) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((a25 <= 10 && a23 <= 312) && 277 < a29) && a8 == 15) || (((a23 <= 138 && 10 <= a25) && a8 == 15) && 0 < a23 + 43)) || (((a23 <= 138 && a29 <= 140) && a8 == 15) && 0 < a23 + 43)) || ((a29 <= 130 && a8 == 15) && a4 == 1)) || ((((a29 + 554770) / 3 <= 244 && a25 <= 9) && a23 <= 312) && a8 == 15)) || ((10 <= a25 && a8 == 15) && a4 == 1)) || ((0 <= a23 + 42 && a8 == 15) && a4 == 1)) || (a8 == 15 && a25 == 12)) || ((a25 == 10 && a8 == 15) && 0 <= (a29 * -1 + -28690) / 5 + 49)) || (((a25 == 11 && a29 <= 140) && a23 <= 312) && a8 == 15)) || (((a25 == 11 && a23 <= 312) && 277 < a29) && a8 == 15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.8s, OverallIterations: 16, TraceHistogramMax: 7, AutomataDifference: 20.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3234 SDtfs, 2510 SDslu, 330 SDs, 0 SdLazy, 8789 SolverSat, 1494 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1104 GetRequests, 1075 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9993occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 3169 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 127 NumberOfFragments, 289 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4480 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 596 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 5736 NumberOfCodeBlocks, 5736 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 5717 ConstructedInterpolants, 1 QuantifiedInterpolants, 5405933 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1498 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 19 InterpolantComputations, 16 PerfectInterpolantSequences, 6045/6445 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...