./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label59.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label59.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/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 4938a249f54c464e7a954f5ed8c55fb715b2df5f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:29:21,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:29:21,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:29:21,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:29:21,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:29:21,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:29:21,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:29:21,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:29:21,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:29:21,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:29:21,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:29:21,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:29:21,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:29:21,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:29:21,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:29:21,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:29:21,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:29:21,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:29:21,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:29:21,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:29:21,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:29:21,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:29:21,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:29:21,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:29:21,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:29:21,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:29:21,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:29:21,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:29:21,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:29:21,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:29:21,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:29:21,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:29:21,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:29:21,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:29:21,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:29:21,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:29:21,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:29:21,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:29:21,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:29:21,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:29:21,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:29:21,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:29:21,245 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:29:21,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:29:21,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:29:21,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:29:21,247 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:29:21,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:29:21,248 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:29:21,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:29:21,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:29:21,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:29:21,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:29:21,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:29:21,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:29:21,249 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:29:21,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:29:21,250 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:29:21,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:29:21,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:29:21,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:29:21,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:29:21,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:29:21,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:29:21,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:29:21,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:29:21,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:29:21,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:29:21,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:29:21,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:29:21,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:29:21,255 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_dca90cae-77da-452f-979b-45e61fbb71cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4938a249f54c464e7a954f5ed8c55fb715b2df5f [2020-11-30 00:29:21,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:29:21,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:29:21,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:29:21,618 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:29:21,620 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:29:21,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label59.c [2020-11-30 00:29:21,693 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/bin/uautomizer/data/7228709a5/3b3d64e0082d49f6abbc65c0366d0af4/FLAG13ba868e3 [2020-11-30 00:29:22,357 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:29:22,358 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/sv-benchmarks/c/eca-rers2012/Problem11_label59.c [2020-11-30 00:29:22,378 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/bin/uautomizer/data/7228709a5/3b3d64e0082d49f6abbc65c0366d0af4/FLAG13ba868e3 [2020-11-30 00:29:22,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/bin/uautomizer/data/7228709a5/3b3d64e0082d49f6abbc65c0366d0af4 [2020-11-30 00:29:22,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:29:22,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:29:22,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:29:22,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:29:22,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:29:22,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:29:22" (1/1) ... [2020-11-30 00:29:22,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c43c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:22, skipping insertion in model container [2020-11-30 00:29:22,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:29:22" (1/1) ... [2020-11-30 00:29:22,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:29:22,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:29:23,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:29:23,290 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:29:23,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:29:23,539 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:29:23,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23 WrapperNode [2020-11-30 00:29:23,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:29:23,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:29:23,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:29:23,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:29:23,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:29:23,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:29:23,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:29:23,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:29:23,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... [2020-11-30 00:29:23,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:29:23,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:29:23,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:29:23,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:29:23,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:29:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:29:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:29:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:29:23,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:29:26,043 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:29:26,043 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:29:26,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:29:26 BoogieIcfgContainer [2020-11-30 00:29:26,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:29:26,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:29:26,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:29:26,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:29:26,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:29:22" (1/3) ... [2020-11-30 00:29:26,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c493c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:29:26, skipping insertion in model container [2020-11-30 00:29:26,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:23" (2/3) ... [2020-11-30 00:29:26,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c493c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:29:26, skipping insertion in model container [2020-11-30 00:29:26,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:29:26" (3/3) ... [2020-11-30 00:29:26,057 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label59.c [2020-11-30 00:29:26,071 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:29:26,076 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:29:26,087 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:29:26,128 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:29:26,129 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:29:26,129 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:29:26,129 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:29:26,129 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:29:26,129 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:29:26,130 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:29:26,130 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:29:26,155 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-11-30 00:29:26,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-30 00:29:26,163 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:26,164 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:29:26,164 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:26,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:26,170 INFO L82 PathProgramCache]: Analyzing trace with hash 118092897, now seen corresponding path program 1 times [2020-11-30 00:29:26,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:26,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470343940] [2020-11-30 00:29:26,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:26,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:26,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470343940] [2020-11-30 00:29:26,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:26,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:29:26,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875455882] [2020-11-30 00:29:26,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:29:26,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:26,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:26,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:26,600 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-11-30 00:29:28,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:28,317 INFO L93 Difference]: Finished difference Result 764 states and 1353 transitions. [2020-11-30 00:29:28,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:29:28,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-11-30 00:29:28,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:28,354 INFO L225 Difference]: With dead ends: 764 [2020-11-30 00:29:28,355 INFO L226 Difference]: Without dead ends: 416 [2020-11-30 00:29:28,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:28,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-11-30 00:29:28,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 408. [2020-11-30 00:29:28,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-11-30 00:29:28,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 657 transitions. [2020-11-30 00:29:28,468 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 657 transitions. Word has length 59 [2020-11-30 00:29:28,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:28,470 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 657 transitions. [2020-11-30 00:29:28,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:29:28,471 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 657 transitions. [2020-11-30 00:29:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-30 00:29:28,487 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:28,488 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:29:28,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:29:28,489 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:28,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:28,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1625886686, now seen corresponding path program 1 times [2020-11-30 00:29:28,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:28,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313500432] [2020-11-30 00:29:28,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:28,696 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:28,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313500432] [2020-11-30 00:29:28,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:28,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:29:28,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089950916] [2020-11-30 00:29:28,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:29:28,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:28,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:28,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:28,702 INFO L87 Difference]: Start difference. First operand 408 states and 657 transitions. Second operand 3 states. [2020-11-30 00:29:29,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:29,885 INFO L93 Difference]: Finished difference Result 1189 states and 1922 transitions. [2020-11-30 00:29:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:29:29,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-11-30 00:29:29,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:29,899 INFO L225 Difference]: With dead ends: 1189 [2020-11-30 00:29:29,900 INFO L226 Difference]: Without dead ends: 783 [2020-11-30 00:29:29,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:29,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-11-30 00:29:29,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2020-11-30 00:29:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2020-11-30 00:29:29,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1128 transitions. [2020-11-30 00:29:29,942 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1128 transitions. Word has length 124 [2020-11-30 00:29:29,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:29,942 INFO L481 AbstractCegarLoop]: Abstraction has 783 states and 1128 transitions. [2020-11-30 00:29:29,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:29:29,942 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1128 transitions. [2020-11-30 00:29:29,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-11-30 00:29:29,945 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:29,945 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:29:29,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:29:29,945 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:29,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:29,946 INFO L82 PathProgramCache]: Analyzing trace with hash -699731386, now seen corresponding path program 1 times [2020-11-30 00:29:29,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:29,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771649618] [2020-11-30 00:29:29,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:30,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771649618] [2020-11-30 00:29:30,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:30,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:29:30,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916883891] [2020-11-30 00:29:30,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:29:30,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:30,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:30,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:30,072 INFO L87 Difference]: Start difference. First operand 783 states and 1128 transitions. Second operand 3 states. [2020-11-30 00:29:31,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:31,340 INFO L93 Difference]: Finished difference Result 1942 states and 2803 transitions. [2020-11-30 00:29:31,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:29:31,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-11-30 00:29:31,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:31,350 INFO L225 Difference]: With dead ends: 1942 [2020-11-30 00:29:31,350 INFO L226 Difference]: Without dead ends: 1161 [2020-11-30 00:29:31,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:31,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2020-11-30 00:29:31,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1151. [2020-11-30 00:29:31,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2020-11-30 00:29:31,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1538 transitions. [2020-11-30 00:29:31,384 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1538 transitions. Word has length 127 [2020-11-30 00:29:31,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:31,385 INFO L481 AbstractCegarLoop]: Abstraction has 1151 states and 1538 transitions. [2020-11-30 00:29:31,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:29:31,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1538 transitions. [2020-11-30 00:29:31,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-30 00:29:31,387 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:31,388 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:29:31,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:29:31,388 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:31,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:31,389 INFO L82 PathProgramCache]: Analyzing trace with hash -200596440, now seen corresponding path program 1 times [2020-11-30 00:29:31,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:31,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178030720] [2020-11-30 00:29:31,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:31,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178030720] [2020-11-30 00:29:31,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:31,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:29:31,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312153953] [2020-11-30 00:29:31,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:29:31,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:31,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:31,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:31,528 INFO L87 Difference]: Start difference. First operand 1151 states and 1538 transitions. Second operand 3 states. [2020-11-30 00:29:32,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:32,726 INFO L93 Difference]: Finished difference Result 2855 states and 3737 transitions. [2020-11-30 00:29:32,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:29:32,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-11-30 00:29:32,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:32,740 INFO L225 Difference]: With dead ends: 2855 [2020-11-30 00:29:32,740 INFO L226 Difference]: Without dead ends: 1706 [2020-11-30 00:29:32,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:32,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2020-11-30 00:29:32,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1703. [2020-11-30 00:29:32,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2020-11-30 00:29:32,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2115 transitions. [2020-11-30 00:29:32,793 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2115 transitions. Word has length 128 [2020-11-30 00:29:32,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:32,795 INFO L481 AbstractCegarLoop]: Abstraction has 1703 states and 2115 transitions. [2020-11-30 00:29:32,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:29:32,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2115 transitions. [2020-11-30 00:29:32,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-11-30 00:29:32,800 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:32,800 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:29:32,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:29:32,801 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:32,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:32,801 INFO L82 PathProgramCache]: Analyzing trace with hash -25948149, now seen corresponding path program 1 times [2020-11-30 00:29:32,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:32,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132643851] [2020-11-30 00:29:32,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:33,096 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:33,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132643851] [2020-11-30 00:29:33,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:33,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:29:33,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656758155] [2020-11-30 00:29:33,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:29:33,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:33,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:29:33,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:29:33,099 INFO L87 Difference]: Start difference. First operand 1703 states and 2115 transitions. Second operand 4 states. [2020-11-30 00:29:35,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:35,389 INFO L93 Difference]: Finished difference Result 5262 states and 6698 transitions. [2020-11-30 00:29:35,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:29:35,390 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 202 [2020-11-30 00:29:35,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:35,411 INFO L225 Difference]: With dead ends: 5262 [2020-11-30 00:29:35,412 INFO L226 Difference]: Without dead ends: 3745 [2020-11-30 00:29:35,415 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 [2020-11-30 00:29:35,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2020-11-30 00:29:35,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 3367. [2020-11-30 00:29:35,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3367 states. [2020-11-30 00:29:35,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3367 states to 3367 states and 4210 transitions. [2020-11-30 00:29:35,523 INFO L78 Accepts]: Start accepts. Automaton has 3367 states and 4210 transitions. Word has length 202 [2020-11-30 00:29:35,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:35,525 INFO L481 AbstractCegarLoop]: Abstraction has 3367 states and 4210 transitions. [2020-11-30 00:29:35,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:29:35,525 INFO L276 IsEmpty]: Start isEmpty. Operand 3367 states and 4210 transitions. [2020-11-30 00:29:35,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-11-30 00:29:35,530 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:35,531 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 00:29:35,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:29:35,531 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:35,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:35,532 INFO L82 PathProgramCache]: Analyzing trace with hash 416577895, now seen corresponding path program 1 times [2020-11-30 00:29:35,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:35,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094385850] [2020-11-30 00:29:35,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:35,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094385850] [2020-11-30 00:29:35,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:35,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:29:35,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387565883] [2020-11-30 00:29:35,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:29:35,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:35,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:35,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:35,745 INFO L87 Difference]: Start difference. First operand 3367 states and 4210 transitions. Second operand 3 states. [2020-11-30 00:29:37,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:37,044 INFO L93 Difference]: Finished difference Result 7294 states and 9306 transitions. [2020-11-30 00:29:37,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:29:37,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2020-11-30 00:29:37,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:37,069 INFO L225 Difference]: With dead ends: 7294 [2020-11-30 00:29:37,069 INFO L226 Difference]: Without dead ends: 4297 [2020-11-30 00:29:37,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:37,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2020-11-30 00:29:37,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 4288. [2020-11-30 00:29:37,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4288 states. [2020-11-30 00:29:37,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4288 states to 4288 states and 5293 transitions. [2020-11-30 00:29:37,172 INFO L78 Accepts]: Start accepts. Automaton has 4288 states and 5293 transitions. Word has length 239 [2020-11-30 00:29:37,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:37,173 INFO L481 AbstractCegarLoop]: Abstraction has 4288 states and 5293 transitions. [2020-11-30 00:29:37,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:29:37,173 INFO L276 IsEmpty]: Start isEmpty. Operand 4288 states and 5293 transitions. [2020-11-30 00:29:37,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-30 00:29:37,178 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:37,178 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 00:29:37,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:29:37,178 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:37,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:37,179 INFO L82 PathProgramCache]: Analyzing trace with hash 45252903, now seen corresponding path program 1 times [2020-11-30 00:29:37,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:37,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385247287] [2020-11-30 00:29:37,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:37,420 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-11-30 00:29:37,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385247287] [2020-11-30 00:29:37,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:37,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:29:37,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844680974] [2020-11-30 00:29:37,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:29:37,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:37,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:37,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:37,425 INFO L87 Difference]: Start difference. First operand 4288 states and 5293 transitions. Second operand 3 states. [2020-11-30 00:29:38,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:38,538 INFO L93 Difference]: Finished difference Result 11352 states and 14232 transitions. [2020-11-30 00:29:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:29:38,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2020-11-30 00:29:38,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:38,581 INFO L225 Difference]: With dead ends: 11352 [2020-11-30 00:29:38,581 INFO L226 Difference]: Without dead ends: 7248 [2020-11-30 00:29:38,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:38,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7248 states. [2020-11-30 00:29:38,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7248 to 6328. [2020-11-30 00:29:38,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6328 states. [2020-11-30 00:29:38,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6328 states to 6328 states and 7782 transitions. [2020-11-30 00:29:38,767 INFO L78 Accepts]: Start accepts. Automaton has 6328 states and 7782 transitions. Word has length 240 [2020-11-30 00:29:38,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:38,768 INFO L481 AbstractCegarLoop]: Abstraction has 6328 states and 7782 transitions. [2020-11-30 00:29:38,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:29:38,768 INFO L276 IsEmpty]: Start isEmpty. Operand 6328 states and 7782 transitions. [2020-11-30 00:29:38,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-11-30 00:29:38,774 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:38,774 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 00:29:38,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:29:38,775 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:38,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:38,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1175656651, now seen corresponding path program 1 times [2020-11-30 00:29:38,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:38,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057029827] [2020-11-30 00:29:38,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:39,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057029827] [2020-11-30 00:29:39,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:39,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:29:39,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34975186] [2020-11-30 00:29:39,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:29:39,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:39,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:29:39,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:29:39,025 INFO L87 Difference]: Start difference. First operand 6328 states and 7782 transitions. Second operand 4 states. [2020-11-30 00:29:41,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:41,091 INFO L93 Difference]: Finished difference Result 14138 states and 17500 transitions. [2020-11-30 00:29:41,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:29:41,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 261 [2020-11-30 00:29:41,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:41,159 INFO L225 Difference]: With dead ends: 14138 [2020-11-30 00:29:41,159 INFO L226 Difference]: Without dead ends: 8179 [2020-11-30 00:29:41,166 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 [2020-11-30 00:29:41,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8179 states. [2020-11-30 00:29:41,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8179 to 7802. [2020-11-30 00:29:41,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7802 states. [2020-11-30 00:29:41,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7802 states to 7802 states and 9446 transitions. [2020-11-30 00:29:41,357 INFO L78 Accepts]: Start accepts. Automaton has 7802 states and 9446 transitions. Word has length 261 [2020-11-30 00:29:41,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:41,357 INFO L481 AbstractCegarLoop]: Abstraction has 7802 states and 9446 transitions. [2020-11-30 00:29:41,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:29:41,358 INFO L276 IsEmpty]: Start isEmpty. Operand 7802 states and 9446 transitions. [2020-11-30 00:29:41,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-11-30 00:29:41,366 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:41,367 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:29:41,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:29:41,367 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:41,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:41,368 INFO L82 PathProgramCache]: Analyzing trace with hash 371745958, now seen corresponding path program 1 times [2020-11-30 00:29:41,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:41,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055232593] [2020-11-30 00:29:41,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:41,707 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 128 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:41,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055232593] [2020-11-30 00:29:41,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645892900] [2020-11-30 00:29:41,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:29:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:41,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 00:29:41,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:29:41,998 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 3, 1] term [2020-11-30 00:29:41,999 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-11-30 00:29:42,025 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:29:42,035 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:29:42,082 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:29:42,225 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 14 [2020-11-30 00:29:42,450 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 128 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:42,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:29:42,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-30 00:29:42,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225679023] [2020-11-30 00:29:42,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:29:42,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:42,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:29:42,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:29:42,453 INFO L87 Difference]: Start difference. First operand 7802 states and 9446 transitions. Second operand 4 states. [2020-11-30 00:29:45,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:45,487 INFO L93 Difference]: Finished difference Result 18568 states and 22215 transitions. [2020-11-30 00:29:45,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:29:45,488 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 313 [2020-11-30 00:29:45,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:45,509 INFO L225 Difference]: With dead ends: 18568 [2020-11-30 00:29:45,510 INFO L226 Difference]: Without dead ends: 10584 [2020-11-30 00:29:45,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 313 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:29:45,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10584 states. [2020-11-30 00:29:45,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10584 to 8170. [2020-11-30 00:29:45,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8170 states. [2020-11-30 00:29:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8170 states to 8170 states and 9709 transitions. [2020-11-30 00:29:45,740 INFO L78 Accepts]: Start accepts. Automaton has 8170 states and 9709 transitions. Word has length 313 [2020-11-30 00:29:45,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:45,741 INFO L481 AbstractCegarLoop]: Abstraction has 8170 states and 9709 transitions. [2020-11-30 00:29:45,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:29:45,742 INFO L276 IsEmpty]: Start isEmpty. Operand 8170 states and 9709 transitions. [2020-11-30 00:29:45,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-11-30 00:29:45,752 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:45,752 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:29:45,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-11-30 00:29:45,968 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:45,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:45,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1832930930, now seen corresponding path program 1 times [2020-11-30 00:29:45,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:45,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70351952] [2020-11-30 00:29:45,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-11-30 00:29:46,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70351952] [2020-11-30 00:29:46,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:46,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:29:46,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169483898] [2020-11-30 00:29:46,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:29:46,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:46,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:46,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:46,241 INFO L87 Difference]: Start difference. First operand 8170 states and 9709 transitions. Second operand 3 states. [2020-11-30 00:29:47,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:47,430 INFO L93 Difference]: Finished difference Result 18375 states and 21984 transitions. [2020-11-30 00:29:47,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:29:47,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 328 [2020-11-30 00:29:47,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:47,449 INFO L225 Difference]: With dead ends: 18375 [2020-11-30 00:29:47,449 INFO L226 Difference]: Without dead ends: 10575 [2020-11-30 00:29:47,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:47,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10575 states. [2020-11-30 00:29:47,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10575 to 10387. [2020-11-30 00:29:47,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10387 states. [2020-11-30 00:29:47,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10387 states to 10387 states and 12180 transitions. [2020-11-30 00:29:47,633 INFO L78 Accepts]: Start accepts. Automaton has 10387 states and 12180 transitions. Word has length 328 [2020-11-30 00:29:47,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:47,634 INFO L481 AbstractCegarLoop]: Abstraction has 10387 states and 12180 transitions. [2020-11-30 00:29:47,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:29:47,634 INFO L276 IsEmpty]: Start isEmpty. Operand 10387 states and 12180 transitions. [2020-11-30 00:29:47,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-11-30 00:29:47,646 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:47,646 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:29:47,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:29:47,647 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:47,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:47,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1788227563, now seen corresponding path program 1 times [2020-11-30 00:29:47,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:47,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790575371] [2020-11-30 00:29:47,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:47,983 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2020-11-30 00:29:47,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790575371] [2020-11-30 00:29:47,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:47,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:29:47,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887568877] [2020-11-30 00:29:47,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:29:47,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:47,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:47,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:47,986 INFO L87 Difference]: Start difference. First operand 10387 states and 12180 transitions. Second operand 3 states. [2020-11-30 00:29:49,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:49,219 INFO L93 Difference]: Finished difference Result 22246 states and 26070 transitions. [2020-11-30 00:29:49,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:29:49,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 338 [2020-11-30 00:29:49,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:49,246 INFO L225 Difference]: With dead ends: 22246 [2020-11-30 00:29:49,246 INFO L226 Difference]: Without dead ends: 12229 [2020-11-30 00:29:49,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:49,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12229 states. [2020-11-30 00:29:49,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12229 to 10016. [2020-11-30 00:29:49,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10016 states. [2020-11-30 00:29:49,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10016 states to 10016 states and 11632 transitions. [2020-11-30 00:29:49,489 INFO L78 Accepts]: Start accepts. Automaton has 10016 states and 11632 transitions. Word has length 338 [2020-11-30 00:29:49,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:49,490 INFO L481 AbstractCegarLoop]: Abstraction has 10016 states and 11632 transitions. [2020-11-30 00:29:49,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:29:49,491 INFO L276 IsEmpty]: Start isEmpty. Operand 10016 states and 11632 transitions. [2020-11-30 00:29:49,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-11-30 00:29:49,503 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:49,504 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:29:49,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:29:49,504 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:49,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:49,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1688999866, now seen corresponding path program 1 times [2020-11-30 00:29:49,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:49,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198490048] [2020-11-30 00:29:49,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:49,780 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-11-30 00:29:49,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198490048] [2020-11-30 00:29:49,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:49,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:29:49,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041134588] [2020-11-30 00:29:49,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:29:49,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:49,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:49,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:49,783 INFO L87 Difference]: Start difference. First operand 10016 states and 11632 transitions. Second operand 3 states. [2020-11-30 00:29:50,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:50,420 INFO L93 Difference]: Finished difference Result 19656 states and 22870 transitions. [2020-11-30 00:29:50,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:29:50,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2020-11-30 00:29:50,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:50,440 INFO L225 Difference]: With dead ends: 19656 [2020-11-30 00:29:50,440 INFO L226 Difference]: Without dead ends: 10010 [2020-11-30 00:29:50,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:50,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10010 states. [2020-11-30 00:29:50,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10010 to 10010. [2020-11-30 00:29:50,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10010 states. [2020-11-30 00:29:50,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10010 states to 10010 states and 11619 transitions. [2020-11-30 00:29:50,608 INFO L78 Accepts]: Start accepts. Automaton has 10010 states and 11619 transitions. Word has length 341 [2020-11-30 00:29:50,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:50,609 INFO L481 AbstractCegarLoop]: Abstraction has 10010 states and 11619 transitions. [2020-11-30 00:29:50,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:29:50,609 INFO L276 IsEmpty]: Start isEmpty. Operand 10010 states and 11619 transitions. [2020-11-30 00:29:50,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2020-11-30 00:29:50,624 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:50,624 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:29:50,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 00:29:50,625 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:50,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:50,625 INFO L82 PathProgramCache]: Analyzing trace with hash -713468782, now seen corresponding path program 1 times [2020-11-30 00:29:50,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:50,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226922895] [2020-11-30 00:29:50,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:51,245 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 124 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:51,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226922895] [2020-11-30 00:29:51,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488546215] [2020-11-30 00:29:51,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:29:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:51,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-30 00:29:51,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:29:51,439 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-30 00:29:51,441 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:51,446 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:51,457 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:51,463 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:51,935 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 124 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:51,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:29:51,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-11-30 00:29:51,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173424302] [2020-11-30 00:29:51,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 00:29:51,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:51,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:29:51,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:29:51,938 INFO L87 Difference]: Start difference. First operand 10010 states and 11619 transitions. Second operand 7 states. [2020-11-30 00:29:55,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:55,354 INFO L93 Difference]: Finished difference Result 19701 states and 22694 transitions. [2020-11-30 00:29:55,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-30 00:29:55,356 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 365 [2020-11-30 00:29:55,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:55,373 INFO L225 Difference]: With dead ends: 19701 [2020-11-30 00:29:55,374 INFO L226 Difference]: Without dead ends: 10061 [2020-11-30 00:29:55,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 363 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2020-11-30 00:29:55,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10061 states. [2020-11-30 00:29:55,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10061 to 8152. [2020-11-30 00:29:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8152 states. [2020-11-30 00:29:55,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8152 states to 8152 states and 9272 transitions. [2020-11-30 00:29:55,506 INFO L78 Accepts]: Start accepts. Automaton has 8152 states and 9272 transitions. Word has length 365 [2020-11-30 00:29:55,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:55,507 INFO L481 AbstractCegarLoop]: Abstraction has 8152 states and 9272 transitions. [2020-11-30 00:29:55,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 00:29:55,507 INFO L276 IsEmpty]: Start isEmpty. Operand 8152 states and 9272 transitions. [2020-11-30 00:29:55,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2020-11-30 00:29:55,523 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:55,523 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:29:55,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-30 00:29:55,748 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:55,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:55,749 INFO L82 PathProgramCache]: Analyzing trace with hash 875235954, now seen corresponding path program 1 times [2020-11-30 00:29:55,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:55,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104425784] [2020-11-30 00:29:55,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:56,115 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-11-30 00:29:56,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104425784] [2020-11-30 00:29:56,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:56,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:29:56,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125659372] [2020-11-30 00:29:56,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:29:56,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:56,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:56,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:56,120 INFO L87 Difference]: Start difference. First operand 8152 states and 9272 transitions. Second operand 3 states. [2020-11-30 00:29:57,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:57,367 INFO L93 Difference]: Finished difference Result 17411 states and 19880 transitions. [2020-11-30 00:29:57,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:29:57,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 381 [2020-11-30 00:29:57,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:57,382 INFO L225 Difference]: With dead ends: 17411 [2020-11-30 00:29:57,382 INFO L226 Difference]: Without dead ends: 9445 [2020-11-30 00:29:57,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:57,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9445 states. [2020-11-30 00:29:57,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9445 to 9072. [2020-11-30 00:29:57,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9072 states. [2020-11-30 00:29:57,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9072 states to 9072 states and 10272 transitions. [2020-11-30 00:29:57,510 INFO L78 Accepts]: Start accepts. Automaton has 9072 states and 10272 transitions. Word has length 381 [2020-11-30 00:29:57,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:57,510 INFO L481 AbstractCegarLoop]: Abstraction has 9072 states and 10272 transitions. [2020-11-30 00:29:57,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:29:57,511 INFO L276 IsEmpty]: Start isEmpty. Operand 9072 states and 10272 transitions. [2020-11-30 00:29:57,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2020-11-30 00:29:57,523 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:57,523 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:29:57,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-30 00:29:57,524 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:57,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:57,524 INFO L82 PathProgramCache]: Analyzing trace with hash -730563007, now seen corresponding path program 1 times [2020-11-30 00:29:57,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:57,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506677231] [2020-11-30 00:29:57,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:57,898 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-11-30 00:29:57,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506677231] [2020-11-30 00:29:57,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:57,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:29:57,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390451675] [2020-11-30 00:29:57,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:29:57,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:57,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:57,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:57,900 INFO L87 Difference]: Start difference. First operand 9072 states and 10272 transitions. Second operand 3 states. [2020-11-30 00:29:58,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:58,886 INFO L93 Difference]: Finished difference Result 17771 states and 20159 transitions. [2020-11-30 00:29:58,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:29:58,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 396 [2020-11-30 00:29:58,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:29:58,901 INFO L225 Difference]: With dead ends: 17771 [2020-11-30 00:29:58,901 INFO L226 Difference]: Without dead ends: 9069 [2020-11-30 00:29:58,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:58,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9069 states. [2020-11-30 00:29:59,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9069 to 9069. [2020-11-30 00:29:59,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9069 states. [2020-11-30 00:29:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9069 states to 9069 states and 10154 transitions. [2020-11-30 00:29:59,038 INFO L78 Accepts]: Start accepts. Automaton has 9069 states and 10154 transitions. Word has length 396 [2020-11-30 00:29:59,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:29:59,038 INFO L481 AbstractCegarLoop]: Abstraction has 9069 states and 10154 transitions. [2020-11-30 00:29:59,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:29:59,039 INFO L276 IsEmpty]: Start isEmpty. Operand 9069 states and 10154 transitions. [2020-11-30 00:29:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2020-11-30 00:29:59,052 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:29:59,053 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:29:59,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-30 00:29:59,053 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:29:59,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:59,054 INFO L82 PathProgramCache]: Analyzing trace with hash -2126634708, now seen corresponding path program 1 times [2020-11-30 00:29:59,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:59,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449396311] [2020-11-30 00:29:59,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-11-30 00:29:59,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449396311] [2020-11-30 00:29:59,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:59,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:29:59,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351027284] [2020-11-30 00:29:59,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:29:59,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:59,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:59,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:59,415 INFO L87 Difference]: Start difference. First operand 9069 states and 10154 transitions. Second operand 3 states. [2020-11-30 00:30:00,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:00,573 INFO L93 Difference]: Finished difference Result 19238 states and 21554 transitions. [2020-11-30 00:30:00,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:30:00,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 411 [2020-11-30 00:30:00,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:00,594 INFO L225 Difference]: With dead ends: 19238 [2020-11-30 00:30:00,594 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:30:00,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:30:00,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:30:00,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:30:00,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:30:00,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:30:00,604 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 411 [2020-11-30 00:30:00,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:00,604 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:30:00,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:30:00,605 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:30:00,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:30:00,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-30 00:30:00,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:30:00,926 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 111 [2020-11-30 00:30:01,153 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 111 [2020-11-30 00:30:01,643 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 41 [2020-11-30 00:30:02,075 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 41 [2020-11-30 00:30:02,078 INFO L274 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-11-30 00:30:02,078 INFO L274 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,078 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-11-30 00:30:02,078 INFO L274 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,078 INFO L274 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,078 INFO L274 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,078 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,078 INFO L274 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,078 INFO L274 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,078 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-30 00:30:02,078 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-11-30 00:30:02,078 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-30 00:30:02,079 INFO L274 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,079 INFO L274 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,079 INFO L274 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,079 INFO L274 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,079 INFO L274 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,079 INFO L274 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,079 INFO L274 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,079 INFO L274 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,079 INFO L274 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,079 INFO L274 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,079 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-11-30 00:30:02,079 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-30 00:30:02,079 INFO L274 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-11-30 00:30:02,079 INFO L274 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,079 INFO L274 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-11-30 00:30:02,080 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-11-30 00:30:02,080 INFO L274 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,080 INFO L274 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,080 INFO L274 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,080 INFO L274 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,080 INFO L274 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,080 INFO L274 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,080 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-30 00:30:02,080 INFO L274 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-11-30 00:30:02,080 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-30 00:30:02,080 INFO L274 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,080 INFO L274 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,080 INFO L274 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L270 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 266)) (.cse6 (<= ~a25~0 10)) (.cse0 (<= 10 ~a25~0)) (.cse4 (<= ~a29~0 220)) (.cse5 (<= ~a23~0 137)) (.cse7 (= ~a4~0 1)) (.cse1 (= ~a8~0 15)) (.cse8 (= ~a25~0 12)) (.cse2 (= ~a3~0 1))) (or (and .cse0 .cse1 (<= 246 ~a29~0) .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse2) (and .cse5 (<= 260 ~a29~0) .cse1 .cse2) (and .cse6 .cse5 .cse0 .cse7) (and .cse0 .cse1 .cse7 .cse2) (and .cse6 .cse0 .cse1 .cse4 .cse2) (and .cse5 (<= ~a29~0 130) .cse8 .cse7) (and (<= 141 ~a29~0) .cse1 .cse7 .cse2) (and .cse1 .cse8 .cse2))) [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L277 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,081 INFO L274 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,082 INFO L274 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,082 INFO L274 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,082 INFO L274 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,082 INFO L274 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,082 INFO L274 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,082 INFO L274 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,082 INFO L274 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,082 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-30 00:30:02,082 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-30 00:30:02,082 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-30 00:30:02,082 INFO L274 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,082 INFO L270 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 266)) (.cse6 (<= ~a25~0 10)) (.cse0 (<= 10 ~a25~0)) (.cse4 (<= ~a29~0 220)) (.cse5 (<= ~a23~0 137)) (.cse7 (= ~a4~0 1)) (.cse1 (= ~a8~0 15)) (.cse8 (= ~a25~0 12)) (.cse2 (= ~a3~0 1))) (or (and .cse0 .cse1 (<= 246 ~a29~0) .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse2) (and .cse5 (<= 260 ~a29~0) .cse1 .cse2) (and .cse6 .cse5 .cse0 .cse7) (and .cse0 .cse1 .cse7 .cse2) (and .cse6 .cse0 .cse1 .cse4 .cse2) (and .cse5 (<= ~a29~0 130) .cse8 .cse7) (and (<= 141 ~a29~0) .cse1 .cse7 .cse2) (and .cse1 .cse8 .cse2))) [2020-11-30 00:30:02,082 INFO L274 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,082 INFO L274 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,083 INFO L274 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,083 INFO L274 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,083 INFO L274 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,083 INFO L274 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,083 INFO L274 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,083 INFO L274 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,083 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-30 00:30:02,083 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-11-30 00:30:02,083 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-30 00:30:02,083 INFO L274 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-11-30 00:30:02,083 INFO L274 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-11-30 00:30:02,083 INFO L274 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-11-30 00:30:02,083 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-11-30 00:30:02,083 INFO L274 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,083 INFO L274 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,083 INFO L274 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,084 INFO L274 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,085 INFO L274 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,086 INFO L274 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,087 INFO L274 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,088 INFO L274 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,088 INFO L274 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-11-30 00:30:02,088 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-11-30 00:30:02,088 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-30 00:30:02,088 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-30 00:30:02,088 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-30 00:30:02,088 INFO L274 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,088 INFO L274 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,088 INFO L274 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,088 INFO L274 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,088 INFO L274 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,088 INFO L274 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,088 INFO L274 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,088 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-30 00:30:02,089 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-30 00:30:02,089 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-30 00:30:02,089 INFO L274 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,089 INFO L274 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,089 INFO L274 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,089 INFO L274 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-11-30 00:30:02,089 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-11-30 00:30:02,089 INFO L274 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,089 INFO L274 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,089 INFO L274 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,089 INFO L274 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,089 INFO L274 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,089 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-30 00:30:02,089 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-30 00:30:02,089 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,090 INFO L274 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,090 INFO L274 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-11-30 00:30:02,090 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-11-30 00:30:02,090 INFO L274 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,090 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:30:02,090 INFO L274 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,090 INFO L274 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,090 INFO L274 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,090 INFO L274 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,090 INFO L274 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,090 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-11-30 00:30:02,090 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-30 00:30:02,090 INFO L274 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-11-30 00:30:02,091 INFO L274 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-11-30 00:30:02,091 INFO L274 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,091 INFO L274 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,091 INFO L274 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,091 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,091 INFO L274 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,091 INFO L274 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,091 INFO L274 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,091 INFO L274 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,091 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-30 00:30:02,091 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-11-30 00:30:02,091 INFO L274 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-11-30 00:30:02,091 INFO L274 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-11-30 00:30:02,091 INFO L274 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-11-30 00:30:02,091 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-11-30 00:30:02,092 INFO L274 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,092 INFO L274 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,092 INFO L274 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,092 INFO L274 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,092 INFO L274 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,092 INFO L274 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,092 INFO L274 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,092 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-30 00:30:02,092 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-11-30 00:30:02,092 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:30:02,092 INFO L274 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,092 INFO L274 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,092 INFO L274 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,092 INFO L274 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,093 INFO L274 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,093 INFO L274 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,093 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-30 00:30:02,093 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-30 00:30:02,093 INFO L274 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,093 INFO L274 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,093 INFO L274 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,093 INFO L274 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,093 INFO L274 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,093 INFO L274 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,094 INFO L274 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,094 INFO L274 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-11-30 00:30:02,094 INFO L274 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:30:02,094 INFO L274 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,094 INFO L274 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,094 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-30 00:30:02,094 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-30 00:30:02,094 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-30 00:30:02,094 INFO L274 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-11-30 00:30:02,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:30:02 BoogieIcfgContainer [2020-11-30 00:30:02,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:30:02,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:30:02,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:30:02,117 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:30:02,117 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:29:26" (3/4) ... [2020-11-30 00:30:02,120 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:30:02,174 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:30:02,176 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:30:02,178 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:30:02,180 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:30:02,380 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dca90cae-77da-452f-979b-45e61fbb71cc/bin/uautomizer/witness.graphml [2020-11-30 00:30:02,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:30:02,381 INFO L168 Benchmark]: Toolchain (without parser) took 39794.56 ms. Allocated memory was 132.1 MB in the beginning and 1.1 GB in the end (delta: 971.0 MB). Free memory was 100.3 MB in the beginning and 468.4 MB in the end (delta: -368.1 MB). Peak memory consumption was 601.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:02,381 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 37.7 MB in the beginning and 37.6 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:30:02,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 950.29 ms. Allocated memory is still 132.1 MB. Free memory was 100.3 MB in the beginning and 73.2 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:02,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 198.82 ms. Allocated memory is still 132.1 MB. Free memory was 73.2 MB in the beginning and 94.4 MB in the end (delta: -21.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:02,383 INFO L168 Benchmark]: Boogie Preprocessor took 115.58 ms. Allocated memory is still 132.1 MB. Free memory was 94.4 MB in the beginning and 84.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:02,383 INFO L168 Benchmark]: RCFGBuilder took 2190.32 ms. Allocated memory was 132.1 MB in the beginning and 192.9 MB in the end (delta: 60.8 MB). Free memory was 84.6 MB in the beginning and 138.2 MB in the end (delta: -53.6 MB). Peak memory consumption was 71.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:02,383 INFO L168 Benchmark]: TraceAbstraction took 36066.09 ms. Allocated memory was 192.9 MB in the beginning and 1.1 GB in the end (delta: 910.2 MB). Free memory was 137.1 MB in the beginning and 493.6 MB in the end (delta: -356.5 MB). Peak memory consumption was 553.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:02,384 INFO L168 Benchmark]: Witness Printer took 264.24 ms. Allocated memory is still 1.1 GB. Free memory was 493.6 MB in the beginning and 468.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:02,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 37.7 MB in the beginning and 37.6 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 950.29 ms. Allocated memory is still 132.1 MB. Free memory was 100.3 MB in the beginning and 73.2 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 198.82 ms. Allocated memory is still 132.1 MB. Free memory was 73.2 MB in the beginning and 94.4 MB in the end (delta: -21.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 115.58 ms. Allocated memory is still 132.1 MB. Free memory was 94.4 MB in the beginning and 84.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2190.32 ms. Allocated memory was 132.1 MB in the beginning and 192.9 MB in the end (delta: 60.8 MB). Free memory was 84.6 MB in the beginning and 138.2 MB in the end (delta: -53.6 MB). Peak memory consumption was 71.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 36066.09 ms. Allocated memory was 192.9 MB in the beginning and 1.1 GB in the end (delta: 910.2 MB). Free memory was 137.1 MB in the beginning and 493.6 MB in the end (delta: -356.5 MB). Peak memory consumption was 553.7 MB. Max. memory is 16.1 GB. * Witness Printer took 264.24 ms. Allocated memory is still 1.1 GB. Free memory was 493.6 MB in the beginning and 468.4 MB in the end (delta: 25.2 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: ((((((((((((10 <= a25 && a8 == 15) && 246 <= a29) && a3 == 1) && a23 <= 266) || (((a8 == 15 && a29 <= 220) && a3 == 1) && a23 <= 266)) || (((a23 <= 137 && 10 <= a25) && a8 == 15) && a3 == 1)) || (((a23 <= 137 && 260 <= a29) && a8 == 15) && a3 == 1)) || (((a25 <= 10 && a23 <= 137) && 10 <= a25) && a4 == 1)) || (((10 <= a25 && a8 == 15) && a4 == 1) && a3 == 1)) || ((((a25 <= 10 && 10 <= a25) && a8 == 15) && a29 <= 220) && a3 == 1)) || (((a23 <= 137 && a29 <= 130) && a25 == 12) && a4 == 1)) || (((141 <= a29 && a8 == 15) && a4 == 1) && a3 == 1)) || ((a8 == 15 && a25 == 12) && a3 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((10 <= a25 && a8 == 15) && 246 <= a29) && a3 == 1) && a23 <= 266) || (((a8 == 15 && a29 <= 220) && a3 == 1) && a23 <= 266)) || (((a23 <= 137 && 10 <= a25) && a8 == 15) && a3 == 1)) || (((a23 <= 137 && 260 <= a29) && a8 == 15) && a3 == 1)) || (((a25 <= 10 && a23 <= 137) && 10 <= a25) && a4 == 1)) || (((10 <= a25 && a8 == 15) && a4 == 1) && a3 == 1)) || ((((a25 <= 10 && 10 <= a25) && a8 == 15) && a29 <= 220) && a3 == 1)) || (((a23 <= 137 && a29 <= 130) && a25 == 12) && a4 == 1)) || (((141 <= a29 && a8 == 15) && a4 == 1) && a3 == 1)) || ((a8 == 15 && a25 == 12) && a3 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.4s, OverallIterations: 16, TraceHistogramMax: 4, AutomataDifference: 25.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2841 SDtfs, 4002 SDslu, 392 SDs, 0 SdLazy, 12131 SolverSat, 2370 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 731 GetRequests, 697 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10387occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 16 MinimizatonAttempts, 8802 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 127 NumberOfFragments, 269 HoareAnnotationTreeSize, 3 FomulaSimplifications, 26769 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 3 FomulaSimplificationsInter, 16946 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 4931 NumberOfCodeBlocks, 4931 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4913 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617286 SizeOfPredicates, 8 NumberOfNonLiveVariables, 928 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 3676/4016 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...