./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label32.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 52cf9779ec250bb234ab7fe3ed9404cc682c18d9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 20:29:50,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:29:50,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:29:50,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:29:50,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:29:50,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:29:50,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:29:50,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:29:50,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:29:50,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:29:50,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:29:50,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:29:50,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:29:50,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:29:50,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:29:50,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:29:50,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:29:50,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:29:50,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:29:50,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:29:50,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:29:50,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:29:50,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:29:50,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:29:50,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:29:50,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:29:50,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:29:50,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:29:50,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:29:50,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:29:50,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:29:50,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:29:50,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:29:50,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:29:50,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:29:50,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:29:50,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:29:50,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:29:50,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:29:50,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:29:50,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:29:50,582 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:29:50,614 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:29:50,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:29:50,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:29:50,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:29:50,617 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:29:50,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:29:50,619 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:29:50,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:29:50,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:29:50,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:29:50,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:29:50,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:29:50,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:29:50,623 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:29:50,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:29:50,623 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:29:50,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:29:50,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:29:50,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:29:50,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:29:50,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:29:50,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:29:50,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:29:50,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:29:50,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:29:50,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:29:50,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:29:50,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:29:50,628 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:29:50,629 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52cf9779ec250bb234ab7fe3ed9404cc682c18d9 [2020-10-25 20:29:51,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:29:51,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:29:51,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:29:51,082 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:29:51,085 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:29:51,087 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label32.c [2020-10-25 20:29:51,179 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e656401a/b2f3ad86ad364124ac91d8aabbc52feb/FLAGadecfef36 [2020-10-25 20:29:52,097 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:29:52,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label32.c [2020-10-25 20:29:52,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e656401a/b2f3ad86ad364124ac91d8aabbc52feb/FLAGadecfef36 [2020-10-25 20:29:52,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e656401a/b2f3ad86ad364124ac91d8aabbc52feb [2020-10-25 20:29:52,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:29:52,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:29:52,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:29:52,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:29:52,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:29:52,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:29:52" (1/1) ... [2020-10-25 20:29:52,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd19d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:52, skipping insertion in model container [2020-10-25 20:29:52,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:29:52" (1/1) ... [2020-10-25 20:29:52,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:29:52,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:29:53,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:29:53,032 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:29:53,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:29:53,298 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:29:53,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:53 WrapperNode [2020-10-25 20:29:53,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:29:53,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:29:53,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:29:53,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:29:53,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:53" (1/1) ... [2020-10-25 20:29:53,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:53" (1/1) ... [2020-10-25 20:29:53,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:29:53,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:29:53,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:29:53,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:29:53,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:53" (1/1) ... [2020-10-25 20:29:53,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:53" (1/1) ... [2020-10-25 20:29:53,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:53" (1/1) ... [2020-10-25 20:29:53,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:53" (1/1) ... [2020-10-25 20:29:53,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:53" (1/1) ... [2020-10-25 20:29:53,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:53" (1/1) ... [2020-10-25 20:29:53,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:53" (1/1) ... [2020-10-25 20:29:53,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:29:53,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:29:53,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:29:53,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:29:53,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 20:29:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:29:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:29:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:29:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:29:56,047 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:29:56,048 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:29:56,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:29:56 BoogieIcfgContainer [2020-10-25 20:29:56,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:29:56,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:29:56,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:29:56,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:29:56,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:29:52" (1/3) ... [2020-10-25 20:29:56,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bfb5b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:29:56, skipping insertion in model container [2020-10-25 20:29:56,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:53" (2/3) ... [2020-10-25 20:29:56,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bfb5b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:29:56, skipping insertion in model container [2020-10-25 20:29:56,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:29:56" (3/3) ... [2020-10-25 20:29:56,062 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label32.c [2020-10-25 20:29:56,076 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:29:56,083 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:29:56,099 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:29:56,132 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:29:56,133 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:29:56,133 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:29:56,133 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:29:56,133 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:29:56,134 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:29:56,134 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:29:56,134 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:29:56,158 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-25 20:29:56,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-25 20:29:56,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:56,168 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] [2020-10-25 20:29:56,168 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:56,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:56,176 INFO L82 PathProgramCache]: Analyzing trace with hash 2102454322, now seen corresponding path program 1 times [2020-10-25 20:29:56,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:56,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108112077] [2020-10-25 20:29:56,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:56,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:29:56,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108112077] [2020-10-25 20:29:56,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:56,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:29:56,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291763984] [2020-10-25 20:29:56,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:56,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:56,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:56,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:56,560 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-25 20:29:58,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:58,350 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-10-25 20:29:58,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:58,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-10-25 20:29:58,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:58,372 INFO L225 Difference]: With dead ends: 762 [2020-10-25 20:29:58,373 INFO L226 Difference]: Without dead ends: 413 [2020-10-25 20:29:58,379 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 [2020-10-25 20:29:58,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-10-25 20:29:58,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-10-25 20:29:58,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-10-25 20:29:58,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-10-25 20:29:58,474 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 40 [2020-10-25 20:29:58,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:58,475 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-10-25 20:29:58,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:58,477 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-10-25 20:29:58,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-25 20:29:58,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:58,485 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:58,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:29:58,486 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:58,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:58,488 INFO L82 PathProgramCache]: Analyzing trace with hash 333681898, now seen corresponding path program 1 times [2020-10-25 20:29:58,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:58,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229178970] [2020-10-25 20:29:58,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:58,691 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:29:58,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229178970] [2020-10-25 20:29:58,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:58,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:29:58,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404535052] [2020-10-25 20:29:58,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:58,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:58,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:58,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:58,696 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-10-25 20:30:00,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:00,182 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-10-25 20:30:00,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:00,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-10-25 20:30:00,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:00,189 INFO L225 Difference]: With dead ends: 1211 [2020-10-25 20:30:00,190 INFO L226 Difference]: Without dead ends: 800 [2020-10-25 20:30:00,193 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 [2020-10-25 20:30:00,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-25 20:30:00,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-10-25 20:30:00,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-10-25 20:30:00,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-10-25 20:30:00,237 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 108 [2020-10-25 20:30:00,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:00,238 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-10-25 20:30:00,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:00,238 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-10-25 20:30:00,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-25 20:30:00,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:00,241 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:30:00,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:30:00,241 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:00,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:00,242 INFO L82 PathProgramCache]: Analyzing trace with hash -290502203, now seen corresponding path program 1 times [2020-10-25 20:30:00,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:00,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748298470] [2020-10-25 20:30:00,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:00,397 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:30:00,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748298470] [2020-10-25 20:30:00,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:00,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:30:00,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629864802] [2020-10-25 20:30:00,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:00,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:00,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:00,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:30:00,401 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-10-25 20:30:01,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:01,916 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-10-25 20:30:01,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:01,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-10-25 20:30:01,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:01,929 INFO L225 Difference]: With dead ends: 2314 [2020-10-25 20:30:01,929 INFO L226 Difference]: Without dead ends: 1527 [2020-10-25 20:30:01,931 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 [2020-10-25 20:30:01,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-10-25 20:30:01,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-10-25 20:30:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-10-25 20:30:02,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-10-25 20:30:02,009 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 110 [2020-10-25 20:30:02,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:02,012 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-10-25 20:30:02,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:02,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-10-25 20:30:02,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-25 20:30:02,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:02,023 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:30:02,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:30:02,024 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:02,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:02,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1207608631, now seen corresponding path program 1 times [2020-10-25 20:30:02,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:02,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810761758] [2020-10-25 20:30:02,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:02,312 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:30:02,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810761758] [2020-10-25 20:30:02,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:02,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:30:02,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533577667] [2020-10-25 20:30:02,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:30:02,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:02,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:30:02,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:30:02,316 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 4 states. [2020-10-25 20:30:04,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:04,749 INFO L93 Difference]: Finished difference Result 4184 states and 5339 transitions. [2020-10-25 20:30:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:30:04,750 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2020-10-25 20:30:04,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:04,767 INFO L225 Difference]: With dead ends: 4184 [2020-10-25 20:30:04,767 INFO L226 Difference]: Without dead ends: 2844 [2020-10-25 20:30:04,771 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 [2020-10-25 20:30:04,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2020-10-25 20:30:04,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2843. [2020-10-25 20:30:04,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2843 states. [2020-10-25 20:30:04,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 3569 transitions. [2020-10-25 20:30:04,848 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 3569 transitions. Word has length 167 [2020-10-25 20:30:04,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:04,850 INFO L481 AbstractCegarLoop]: Abstraction has 2843 states and 3569 transitions. [2020-10-25 20:30:04,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:30:04,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3569 transitions. [2020-10-25 20:30:04,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-25 20:30:04,861 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:04,862 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:30:04,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 20:30:04,862 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:04,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:04,863 INFO L82 PathProgramCache]: Analyzing trace with hash 888363457, now seen corresponding path program 1 times [2020-10-25 20:30:04,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:04,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146298031] [2020-10-25 20:30:04,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:05,198 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-25 20:30:05,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146298031] [2020-10-25 20:30:05,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:05,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:30:05,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734376995] [2020-10-25 20:30:05,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:05,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:05,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:05,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:30:05,203 INFO L87 Difference]: Start difference. First operand 2843 states and 3569 transitions. Second operand 3 states. [2020-10-25 20:30:06,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:06,802 INFO L93 Difference]: Finished difference Result 6431 states and 8283 transitions. [2020-10-25 20:30:06,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:06,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2020-10-25 20:30:06,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:06,824 INFO L225 Difference]: With dead ends: 6431 [2020-10-25 20:30:06,824 INFO L226 Difference]: Without dead ends: 3958 [2020-10-25 20:30:06,828 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 [2020-10-25 20:30:06,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3958 states. [2020-10-25 20:30:06,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3948. [2020-10-25 20:30:06,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3948 states. [2020-10-25 20:30:06,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 4860 transitions. [2020-10-25 20:30:06,928 INFO L78 Accepts]: Start accepts. Automaton has 3948 states and 4860 transitions. Word has length 222 [2020-10-25 20:30:06,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:06,929 INFO L481 AbstractCegarLoop]: Abstraction has 3948 states and 4860 transitions. [2020-10-25 20:30:06,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:06,929 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 4860 transitions. [2020-10-25 20:30:06,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-25 20:30:06,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:06,935 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:30:06,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 20:30:06,935 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:06,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:06,936 INFO L82 PathProgramCache]: Analyzing trace with hash 412701522, now seen corresponding path program 1 times [2020-10-25 20:30:06,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:06,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256290825] [2020-10-25 20:30:06,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:07,165 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-25 20:30:07,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256290825] [2020-10-25 20:30:07,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:07,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:30:07,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856904184] [2020-10-25 20:30:07,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:07,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:07,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:07,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:30:07,172 INFO L87 Difference]: Start difference. First operand 3948 states and 4860 transitions. Second operand 3 states. [2020-10-25 20:30:08,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:08,720 INFO L93 Difference]: Finished difference Result 10103 states and 12715 transitions. [2020-10-25 20:30:08,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:08,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2020-10-25 20:30:08,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:08,759 INFO L225 Difference]: With dead ends: 10103 [2020-10-25 20:30:08,760 INFO L226 Difference]: Without dead ends: 6525 [2020-10-25 20:30:08,767 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 [2020-10-25 20:30:08,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6525 states. [2020-10-25 20:30:08,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6525 to 6525. [2020-10-25 20:30:08,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6525 states. [2020-10-25 20:30:08,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6525 states to 6525 states and 7989 transitions. [2020-10-25 20:30:08,908 INFO L78 Accepts]: Start accepts. Automaton has 6525 states and 7989 transitions. Word has length 228 [2020-10-25 20:30:08,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:08,913 INFO L481 AbstractCegarLoop]: Abstraction has 6525 states and 7989 transitions. [2020-10-25 20:30:08,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:08,913 INFO L276 IsEmpty]: Start isEmpty. Operand 6525 states and 7989 transitions. [2020-10-25 20:30:08,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-10-25 20:30:08,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:08,953 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:30:08,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 20:30:08,954 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:08,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:08,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1524582501, now seen corresponding path program 1 times [2020-10-25 20:30:08,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:08,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8059019] [2020-10-25 20:30:08,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:09,159 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-25 20:30:09,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8059019] [2020-10-25 20:30:09,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:09,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:30:09,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773388024] [2020-10-25 20:30:09,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:09,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:09,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:09,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:30:09,163 INFO L87 Difference]: Start difference. First operand 6525 states and 7989 transitions. Second operand 3 states. [2020-10-25 20:30:10,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:10,760 INFO L93 Difference]: Finished difference Result 15080 states and 18708 transitions. [2020-10-25 20:30:10,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:10,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 259 [2020-10-25 20:30:10,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:10,801 INFO L225 Difference]: With dead ends: 15080 [2020-10-25 20:30:10,802 INFO L226 Difference]: Without dead ends: 8741 [2020-10-25 20:30:10,812 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 [2020-10-25 20:30:10,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8741 states. [2020-10-25 20:30:10,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8741 to 8733. [2020-10-25 20:30:10,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8733 states. [2020-10-25 20:30:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8733 states to 8733 states and 10513 transitions. [2020-10-25 20:30:10,980 INFO L78 Accepts]: Start accepts. Automaton has 8733 states and 10513 transitions. Word has length 259 [2020-10-25 20:30:10,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:10,981 INFO L481 AbstractCegarLoop]: Abstraction has 8733 states and 10513 transitions. [2020-10-25 20:30:10,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:10,981 INFO L276 IsEmpty]: Start isEmpty. Operand 8733 states and 10513 transitions. [2020-10-25 20:30:10,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-10-25 20:30:10,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:10,991 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:30:10,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 20:30:10,991 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:10,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:10,992 INFO L82 PathProgramCache]: Analyzing trace with hash 11538976, now seen corresponding path program 1 times [2020-10-25 20:30:10,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:10,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968733026] [2020-10-25 20:30:10,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:11,859 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:30:11,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968733026] [2020-10-25 20:30:11,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:11,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 20:30:11,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112663044] [2020-10-25 20:30:11,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 20:30:11,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:11,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 20:30:11,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:30:11,862 INFO L87 Difference]: Start difference. First operand 8733 states and 10513 transitions. Second operand 6 states. [2020-10-25 20:30:15,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:15,274 INFO L93 Difference]: Finished difference Result 18704 states and 22468 transitions. [2020-10-25 20:30:15,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 20:30:15,279 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 281 [2020-10-25 20:30:15,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:15,316 INFO L225 Difference]: With dead ends: 18704 [2020-10-25 20:30:15,317 INFO L226 Difference]: Without dead ends: 10341 [2020-10-25 20:30:15,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-25 20:30:15,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10341 states. [2020-10-25 20:30:15,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10341 to 10204. [2020-10-25 20:30:15,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10204 states. [2020-10-25 20:30:15,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10204 states to 10204 states and 12102 transitions. [2020-10-25 20:30:15,500 INFO L78 Accepts]: Start accepts. Automaton has 10204 states and 12102 transitions. Word has length 281 [2020-10-25 20:30:15,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:15,501 INFO L481 AbstractCegarLoop]: Abstraction has 10204 states and 12102 transitions. [2020-10-25 20:30:15,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 20:30:15,501 INFO L276 IsEmpty]: Start isEmpty. Operand 10204 states and 12102 transitions. [2020-10-25 20:30:15,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-25 20:30:15,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:15,511 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:30:15,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 20:30:15,511 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:15,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:15,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1495226772, now seen corresponding path program 1 times [2020-10-25 20:30:15,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:15,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197524625] [2020-10-25 20:30:15,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:15,699 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-25 20:30:15,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197524625] [2020-10-25 20:30:15,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:15,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:30:15,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103943273] [2020-10-25 20:30:15,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:15,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:15,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:15,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:30:15,702 INFO L87 Difference]: Start difference. First operand 10204 states and 12102 transitions. Second operand 3 states. [2020-10-25 20:30:17,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:17,158 INFO L93 Difference]: Finished difference Result 20954 states and 25382 transitions. [2020-10-25 20:30:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:17,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2020-10-25 20:30:17,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:17,184 INFO L225 Difference]: With dead ends: 20954 [2020-10-25 20:30:17,185 INFO L226 Difference]: Without dead ends: 12410 [2020-10-25 20:30:17,196 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 [2020-10-25 20:30:17,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12410 states. [2020-10-25 20:30:17,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12410 to 12225. [2020-10-25 20:30:17,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12225 states. [2020-10-25 20:30:17,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12225 states to 12225 states and 14612 transitions. [2020-10-25 20:30:17,483 INFO L78 Accepts]: Start accepts. Automaton has 12225 states and 14612 transitions. Word has length 286 [2020-10-25 20:30:17,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:17,483 INFO L481 AbstractCegarLoop]: Abstraction has 12225 states and 14612 transitions. [2020-10-25 20:30:17,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:17,484 INFO L276 IsEmpty]: Start isEmpty. Operand 12225 states and 14612 transitions. [2020-10-25 20:30:17,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-10-25 20:30:17,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:17,510 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-25 20:30:17,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 20:30:17,511 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:17,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:17,512 INFO L82 PathProgramCache]: Analyzing trace with hash -98543204, now seen corresponding path program 1 times [2020-10-25 20:30:17,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:17,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875884776] [2020-10-25 20:30:17,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-10-25 20:30:17,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875884776] [2020-10-25 20:30:17,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:17,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:30:17,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192134098] [2020-10-25 20:30:17,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:17,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:17,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:17,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:30:17,705 INFO L87 Difference]: Start difference. First operand 12225 states and 14612 transitions. Second operand 3 states. [2020-10-25 20:30:19,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:19,348 INFO L93 Difference]: Finished difference Result 25181 states and 30502 transitions. [2020-10-25 20:30:19,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:19,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2020-10-25 20:30:19,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:19,384 INFO L225 Difference]: With dead ends: 25181 [2020-10-25 20:30:19,384 INFO L226 Difference]: Without dead ends: 14616 [2020-10-25 20:30:19,399 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 [2020-10-25 20:30:19,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14616 states. [2020-10-25 20:30:19,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14616 to 12954. [2020-10-25 20:30:19,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12954 states. [2020-10-25 20:30:19,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12954 states to 12954 states and 15204 transitions. [2020-10-25 20:30:19,651 INFO L78 Accepts]: Start accepts. Automaton has 12954 states and 15204 transitions. Word has length 305 [2020-10-25 20:30:19,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:19,652 INFO L481 AbstractCegarLoop]: Abstraction has 12954 states and 15204 transitions. [2020-10-25 20:30:19,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:19,652 INFO L276 IsEmpty]: Start isEmpty. Operand 12954 states and 15204 transitions. [2020-10-25 20:30:19,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-10-25 20:30:19,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:19,672 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:30:19,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 20:30:19,673 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:19,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:19,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1133285852, now seen corresponding path program 1 times [2020-10-25 20:30:19,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:19,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497759155] [2020-10-25 20:30:19,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:30:20,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497759155] [2020-10-25 20:30:20,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:20,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 20:30:20,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540901744] [2020-10-25 20:30:20,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:30:20,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:20,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:30:20,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:30:20,071 INFO L87 Difference]: Start difference. First operand 12954 states and 15204 transitions. Second operand 4 states. [2020-10-25 20:30:22,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:22,899 INFO L93 Difference]: Finished difference Result 30528 states and 36404 transitions. [2020-10-25 20:30:22,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:30:22,900 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 345 [2020-10-25 20:30:22,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:22,943 INFO L225 Difference]: With dead ends: 30528 [2020-10-25 20:30:22,944 INFO L226 Difference]: Without dead ends: 19234 [2020-10-25 20:30:22,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:30:22,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19234 states. [2020-10-25 20:30:23,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19234 to 18301. [2020-10-25 20:30:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18301 states. [2020-10-25 20:30:23,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18301 states to 18301 states and 21509 transitions. [2020-10-25 20:30:23,264 INFO L78 Accepts]: Start accepts. Automaton has 18301 states and 21509 transitions. Word has length 345 [2020-10-25 20:30:23,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:23,265 INFO L481 AbstractCegarLoop]: Abstraction has 18301 states and 21509 transitions. [2020-10-25 20:30:23,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:30:23,266 INFO L276 IsEmpty]: Start isEmpty. Operand 18301 states and 21509 transitions. [2020-10-25 20:30:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2020-10-25 20:30:23,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:23,318 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:30:23,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 20:30:23,319 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:23,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:23,319 INFO L82 PathProgramCache]: Analyzing trace with hash 893315497, now seen corresponding path program 1 times [2020-10-25 20:30:23,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:23,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742085055] [2020-10-25 20:30:23,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:23,865 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-25 20:30:23,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742085055] [2020-10-25 20:30:23,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:23,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 20:30:23,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588709606] [2020-10-25 20:30:23,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:30:23,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:23,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:30:23,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:30:23,868 INFO L87 Difference]: Start difference. First operand 18301 states and 21509 transitions. Second operand 4 states. [2020-10-25 20:30:26,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:26,934 INFO L93 Difference]: Finished difference Result 38642 states and 45868 transitions. [2020-10-25 20:30:26,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:30:26,935 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 419 [2020-10-25 20:30:26,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:26,967 INFO L225 Difference]: With dead ends: 38642 [2020-10-25 20:30:26,967 INFO L226 Difference]: Without dead ends: 22001 [2020-10-25 20:30:26,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:30:27,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22001 states. [2020-10-25 20:30:27,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22001 to 17933. [2020-10-25 20:30:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17933 states. [2020-10-25 20:30:27,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17933 states to 17933 states and 21087 transitions. [2020-10-25 20:30:27,373 INFO L78 Accepts]: Start accepts. Automaton has 17933 states and 21087 transitions. Word has length 419 [2020-10-25 20:30:27,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:27,374 INFO L481 AbstractCegarLoop]: Abstraction has 17933 states and 21087 transitions. [2020-10-25 20:30:27,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:30:27,374 INFO L276 IsEmpty]: Start isEmpty. Operand 17933 states and 21087 transitions. [2020-10-25 20:30:27,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2020-10-25 20:30:27,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:27,428 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:30:27,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 20:30:27,429 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:27,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:27,430 INFO L82 PathProgramCache]: Analyzing trace with hash -475209306, now seen corresponding path program 1 times [2020-10-25 20:30:27,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:27,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435551765] [2020-10-25 20:30:27,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:27,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 817 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2020-10-25 20:30:27,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435551765] [2020-10-25 20:30:27,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:27,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:30:27,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350932055] [2020-10-25 20:30:27,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:27,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:27,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:27,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:30:27,937 INFO L87 Difference]: Start difference. First operand 17933 states and 21087 transitions. Second operand 3 states. [2020-10-25 20:30:29,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:29,297 INFO L93 Difference]: Finished difference Result 32728 states and 38572 transitions. [2020-10-25 20:30:29,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:29,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 592 [2020-10-25 20:30:29,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:29,323 INFO L225 Difference]: With dead ends: 32728 [2020-10-25 20:30:29,323 INFO L226 Difference]: Without dead ends: 16455 [2020-10-25 20:30:29,336 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 [2020-10-25 20:30:29,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16455 states. [2020-10-25 20:30:29,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16455 to 14245. [2020-10-25 20:30:29,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14245 states. [2020-10-25 20:30:29,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14245 states to 14245 states and 16177 transitions. [2020-10-25 20:30:29,565 INFO L78 Accepts]: Start accepts. Automaton has 14245 states and 16177 transitions. Word has length 592 [2020-10-25 20:30:29,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:29,566 INFO L481 AbstractCegarLoop]: Abstraction has 14245 states and 16177 transitions. [2020-10-25 20:30:29,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:29,566 INFO L276 IsEmpty]: Start isEmpty. Operand 14245 states and 16177 transitions. [2020-10-25 20:30:29,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684 [2020-10-25 20:30:29,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:29,600 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:30:29,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-25 20:30:29,601 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:29,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:29,602 INFO L82 PathProgramCache]: Analyzing trace with hash -650015051, now seen corresponding path program 1 times [2020-10-25 20:30:29,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:29,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775528965] [2020-10-25 20:30:29,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:30,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 728 proven. 0 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2020-10-25 20:30:30,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775528965] [2020-10-25 20:30:30,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:30,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:30:30,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669540178] [2020-10-25 20:30:30,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:30,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:30,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:30,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:30:30,134 INFO L87 Difference]: Start difference. First operand 14245 states and 16177 transitions. Second operand 3 states. [2020-10-25 20:30:31,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:31,876 INFO L93 Difference]: Finished difference Result 28483 states and 32443 transitions. [2020-10-25 20:30:31,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:31,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 683 [2020-10-25 20:30:31,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:31,878 INFO L225 Difference]: With dead ends: 28483 [2020-10-25 20:30:31,878 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:30:31,890 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 [2020-10-25 20:30:31,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:30:31,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:30:31,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:30:31,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:30:31,892 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 683 [2020-10-25 20:30:31,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:31,892 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:30:31,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:31,893 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:30:31,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:30:31,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-25 20:30:31,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:30:32,220 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 104 [2020-10-25 20:30:32,566 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 104 [2020-10-25 20:30:32,811 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2020-10-25 20:30:33,057 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2020-10-25 20:30:33,062 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,062 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,062 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,063 INFO L270 CegarLoopResult]: At program point L1027(lines 24 1028) the Hoare annotation is: (let ((.cse5 (= ~a25~0 11)) (.cse4 (<= 307 ~a23~0)) (.cse0 (<= ~a29~0 599999)) (.cse1 (<= ~a25~0 10)) (.cse2 (= ~a4~0 1)) (.cse3 (<= ~a29~0 599998))) (or (<= (+ ~a29~0 21) 0) (and .cse0 .cse1 (<= (+ ~a23~0 599772) 0)) (and (not .cse2) .cse3) (and .cse4 .cse3) (and .cse5 .cse3) (and .cse0 .cse5 .cse4 .cse2) (and .cse0 .cse1 .cse2) (and (= ~a25~0 13) .cse3))) [2020-10-25 20:30:33,063 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,063 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-25 20:30:33,063 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-25 20:30:33,064 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,064 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,064 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,064 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,064 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,065 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,065 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-25 20:30:33,065 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-25 20:30:33,065 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-25 20:30:33,065 INFO L277 CegarLoopResult]: At program point L1030(lines 1030 1046) the Hoare annotation is: true [2020-10-25 20:30:33,066 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,066 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,066 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,066 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,066 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,066 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,067 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,067 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-25 20:30:33,067 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-25 20:30:33,067 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-25 20:30:33,067 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,067 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,067 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,068 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,068 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,068 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,068 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,068 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,069 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,069 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-25 20:30:33,069 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-25 20:30:33,069 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-25 20:30:33,069 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,069 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse5 (= ~a25~0 11)) (.cse4 (<= 307 ~a23~0)) (.cse0 (<= ~a29~0 599999)) (.cse1 (<= ~a25~0 10)) (.cse2 (= ~a4~0 1)) (.cse3 (<= ~a29~0 599998))) (or (<= (+ ~a29~0 21) 0) (and .cse0 .cse1 (<= (+ ~a23~0 599772) 0)) (and (not .cse2) .cse3) (and .cse4 .cse3) (and .cse5 .cse3) (and .cse0 .cse5 .cse4 .cse2) (and .cse0 .cse1 .cse2) (and (= ~a25~0 13) .cse3))) [2020-10-25 20:30:33,069 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,069 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,070 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,070 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,070 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,070 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,070 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,070 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,070 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-25 20:30:33,070 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-25 20:30:33,071 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-25 20:30:33,071 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-25 20:30:33,071 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-25 20:30:33,071 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-25 20:30:33,071 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-25 20:30:33,071 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,071 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,071 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,072 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,072 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,072 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,072 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,072 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,072 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,072 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,072 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-25 20:30:33,072 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-25 20:30:33,072 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-25 20:30:33,072 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-25 20:30:33,073 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,073 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,073 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,073 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,073 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,073 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-25 20:30:33,073 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-25 20:30:33,073 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-25 20:30:33,073 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,073 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,073 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,073 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,073 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-25 20:30:33,074 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-25 20:30:33,074 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,074 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,074 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,074 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,074 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,074 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,074 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-25 20:30:33,074 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-25 20:30:33,074 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,074 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,074 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-25 20:30:33,075 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-25 20:30:33,075 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-25 20:30:33,075 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:30:33,075 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,075 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,075 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,075 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,076 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,076 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,076 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,076 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-25 20:30:33,076 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-25 20:30:33,076 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-25 20:30:33,076 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-25 20:30:33,076 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-25 20:30:33,076 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-25 20:30:33,076 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-25 20:30:33,076 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,077 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,077 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-25 20:30:33,077 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-25 20:30:33,077 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,077 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,077 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,077 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,077 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,077 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-25 20:30:33,077 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-25 20:30:33,077 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-25 20:30:33,077 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,077 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,078 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,078 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,078 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,078 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,078 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-25 20:30:33,078 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-25 20:30:33,078 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-25 20:30:33,078 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:30:33,078 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,078 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:30:33,078 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,078 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,079 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,079 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,079 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,079 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,079 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,079 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-25 20:30:33,079 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-25 20:30:33,079 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-25 20:30:33,079 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,079 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,079 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,080 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,080 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,080 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,080 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,080 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:30:33,080 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,080 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,080 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,080 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,080 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-25 20:30:33,080 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-25 20:30:33,080 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-25 20:30:33,081 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-25 20:30:33,081 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-25 20:30:33,081 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,081 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,081 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,081 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,081 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,081 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,081 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,081 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-25 20:30:33,081 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-25 20:30:33,081 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-25 20:30:33,081 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,082 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,082 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,082 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-25 20:30:33,082 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-25 20:30:33,082 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,082 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,082 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,082 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,082 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,082 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-25 20:30:33,082 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-25 20:30:33,082 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,082 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,082 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-25 20:30:33,083 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-25 20:30:33,083 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,083 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,083 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,083 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,083 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,083 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,083 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-25 20:30:33,083 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-25 20:30:33,083 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-25 20:30:33,083 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-25 20:30:33,083 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,083 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,084 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,084 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,084 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,084 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,084 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,084 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,084 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-25 20:30:33,084 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-25 20:30:33,084 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-25 20:30:33,084 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-25 20:30:33,084 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-25 20:30:33,084 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-25 20:30:33,085 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,085 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,085 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,085 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,085 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,085 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,085 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,085 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:30:33,085 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-25 20:30:33,085 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-25 20:30:33,085 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,085 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,086 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,086 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,086 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,086 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,086 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-25 20:30:33,086 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-25 20:30:33,086 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,086 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,086 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,086 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,086 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,086 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,087 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,087 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-25 20:30:33,087 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,087 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,087 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,087 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-25 20:30:33,087 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-25 20:30:33,087 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-25 20:30:33,087 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,087 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-25 20:30:33,087 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,088 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-25 20:30:33,088 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,088 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,088 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:30:33,088 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,088 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,088 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,088 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,088 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-25 20:30:33,088 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-25 20:30:33,088 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-25 20:30:33,088 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,089 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,089 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,089 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,089 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,089 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,089 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,089 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,089 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,089 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,089 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-25 20:30:33,089 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-25 20:30:33,089 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-25 20:30:33,090 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,090 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-25 20:30:33,090 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-25 20:30:33,090 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,090 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,090 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:30:33,090 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,090 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,090 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-25 20:30:33,090 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-25 20:30:33,090 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-25 20:30:33,090 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-25 20:30:33,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:30:33 BoogieIcfgContainer [2020-10-25 20:30:33,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:30:33,133 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:30:33,133 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:30:33,134 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:30:33,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:29:56" (3/4) ... [2020-10-25 20:30:33,140 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:30:33,191 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:30:33,194 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:30:33,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:30:33,198 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:30:33,494 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:30:33,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:30:33,497 INFO L168 Benchmark]: Toolchain (without parser) took 41236.51 ms. Allocated memory was 41.9 MB in the beginning and 1.2 GB in the end (delta: 1.2 GB). Free memory was 26.3 MB in the beginning and 629.0 MB in the end (delta: -602.7 MB). Peak memory consumption was 577.1 MB. Max. memory is 16.1 GB. [2020-10-25 20:30:33,498 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 41.9 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:30:33,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1005.33 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 25.6 MB in the beginning and 20.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-10-25 20:30:33,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 234.69 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 20.3 MB in the beginning and 34.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-10-25 20:30:33,500 INFO L168 Benchmark]: Boogie Preprocessor took 252.90 ms. Allocated memory is still 67.1 MB. Free memory was 34.6 MB in the beginning and 30.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2020-10-25 20:30:33,501 INFO L168 Benchmark]: RCFGBuilder took 2258.26 ms. Allocated memory was 67.1 MB in the beginning and 151.0 MB in the end (delta: 83.9 MB). Free memory was 30.0 MB in the beginning and 82.0 MB in the end (delta: -52.0 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-10-25 20:30:33,502 INFO L168 Benchmark]: TraceAbstraction took 37078.19 ms. Allocated memory was 151.0 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 82.0 MB in the beginning and 655.2 MB in the end (delta: -573.2 MB). Peak memory consumption was 497.4 MB. Max. memory is 16.1 GB. [2020-10-25 20:30:33,502 INFO L168 Benchmark]: Witness Printer took 361.91 ms. Allocated memory is still 1.2 GB. Free memory was 655.2 MB in the beginning and 629.0 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:30:33,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 41.9 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1005.33 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 25.6 MB in the beginning and 20.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 234.69 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 20.3 MB in the beginning and 34.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 252.90 ms. Allocated memory is still 67.1 MB. Free memory was 34.6 MB in the beginning and 30.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2258.26 ms. Allocated memory was 67.1 MB in the beginning and 151.0 MB in the end (delta: 83.9 MB). Free memory was 30.0 MB in the beginning and 82.0 MB in the end (delta: -52.0 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 37078.19 ms. Allocated memory was 151.0 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 82.0 MB in the beginning and 655.2 MB in the end (delta: -573.2 MB). Peak memory consumption was 497.4 MB. Max. memory is 16.1 GB. * Witness Printer took 361.91 ms. Allocated memory is still 1.2 GB. Free memory was 655.2 MB in the beginning and 629.0 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 24]: Loop Invariant Derived loop invariant: ((((((a29 + 21 <= 0 || ((a29 <= 599999 && a25 <= 10) && a23 + 599772 <= 0)) || (!(a4 == 1) && a29 <= 599998)) || (307 <= a23 && a29 <= 599998)) || (a25 == 11 && a29 <= 599998)) || (((a29 <= 599999 && a25 == 11) && 307 <= a23) && a4 == 1)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || (a25 == 13 && a29 <= 599998) - InvariantResult [Line: 1030]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: ((((((a29 + 21 <= 0 || ((a29 <= 599999 && a25 <= 10) && a23 + 599772 <= 0)) || (!(a4 == 1) && a29 <= 599998)) || (307 <= a23 && a29 <= 599998)) || (a25 == 11 && a29 <= 599998)) || (((a29 <= 599999 && a25 == 11) && 307 <= a23) && a4 == 1)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || (a25 == 13 && a29 <= 599998) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.7s, OverallIterations: 14, TraceHistogramMax: 6, AutomataDifference: 28.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2451 SDtfs, 3048 SDslu, 399 SDs, 0 SdLazy, 10615 SolverSat, 2125 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18301occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 9226 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 177 NumberOfFragments, 141 HoareAnnotationTreeSize, 3 FomulaSimplifications, 11989 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 3 FomulaSimplificationsInter, 808 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 4045 NumberOfCodeBlocks, 4045 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4031 ConstructedInterpolants, 0 QuantifiedInterpolants, 3277557 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 4236/4236 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...