./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label02.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/Problem01_label02.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 371b9bea5c3591577da86339387e8bebd879d352 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:43:38,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:43:38,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:43:38,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:43:38,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:43:38,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:43:38,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:43:38,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:43:38,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:43:38,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:43:38,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:43:38,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:43:38,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:43:38,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:43:38,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:43:38,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:43:38,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:43:38,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:43:38,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:43:38,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:43:38,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:43:38,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:43:38,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:43:38,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:43:38,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:43:38,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:43:38,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:43:38,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:43:38,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:43:38,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:43:38,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:43:38,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:43:38,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:43:38,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:43:38,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:43:38,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:43:38,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:43:38,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:43:38,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:43:38,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:43:38,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:43:38,412 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 19:43:38,474 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:43:38,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:43:38,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:43:38,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:43:38,479 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:43:38,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:43:38,480 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:43:38,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 19:43:38,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:43:38,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:43:38,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:43:38,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:43:38,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:43:38,483 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:43:38,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:43:38,483 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:43:38,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:43:38,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:43:38,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:43:38,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:43:38,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:43:38,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:43:38,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:43:38,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:43:38,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:43:38,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 19:43:38,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 19:43:38,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:43:38,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:43:38,490 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 371b9bea5c3591577da86339387e8bebd879d352 [2020-10-25 19:43:38,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:43:38,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:43:38,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:43:38,937 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:43:38,938 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:43:38,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label02.c [2020-10-25 19:43:39,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bab30c3d/1147280aa537436d875cac3477a99c2d/FLAG0e8428ac5 [2020-10-25 19:43:39,818 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:43:39,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label02.c [2020-10-25 19:43:39,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bab30c3d/1147280aa537436d875cac3477a99c2d/FLAG0e8428ac5 [2020-10-25 19:43:40,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bab30c3d/1147280aa537436d875cac3477a99c2d [2020-10-25 19:43:40,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:43:40,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:43:40,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:43:40,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:43:40,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:43:40,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:43:40" (1/1) ... [2020-10-25 19:43:40,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b789f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:40, skipping insertion in model container [2020-10-25 19:43:40,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:43:40" (1/1) ... [2020-10-25 19:43:40,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:43:40,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:43:40,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:43:40,631 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:43:40,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:43:40,788 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:43:40,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:40 WrapperNode [2020-10-25 19:43:40,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:43:40,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:43:40,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:43:40,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:43:40,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:40" (1/1) ... [2020-10-25 19:43:40,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:40" (1/1) ... [2020-10-25 19:43:40,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:43:40,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:43:40,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:43:40,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:43:40,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:40" (1/1) ... [2020-10-25 19:43:40,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:40" (1/1) ... [2020-10-25 19:43:40,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:40" (1/1) ... [2020-10-25 19:43:40,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:40" (1/1) ... [2020-10-25 19:43:40,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:40" (1/1) ... [2020-10-25 19:43:40,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:40" (1/1) ... [2020-10-25 19:43:40,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:40" (1/1) ... [2020-10-25 19:43:40,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:43:40,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:43:40,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:43:40,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:43:40,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:40" (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 19:43:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 19:43:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:43:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:43:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:43:42,830 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:43:42,830 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 19:43:42,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:43:42 BoogieIcfgContainer [2020-10-25 19:43:42,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:43:42,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:43:42,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:43:42,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:43:42,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:43:40" (1/3) ... [2020-10-25 19:43:42,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d2928c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:43:42, skipping insertion in model container [2020-10-25 19:43:42,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:40" (2/3) ... [2020-10-25 19:43:42,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d2928c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:43:42, skipping insertion in model container [2020-10-25 19:43:42,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:43:42" (3/3) ... [2020-10-25 19:43:42,844 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label02.c [2020-10-25 19:43:42,859 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:43:42,865 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:43:42,880 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:43:42,913 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:43:42,914 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:43:42,914 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:43:42,914 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:43:42,914 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:43:42,915 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:43:42,915 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:43:42,915 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:43:42,938 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-10-25 19:43:42,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-25 19:43:42,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:42,951 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:43:42,952 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:42,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:42,959 INFO L82 PathProgramCache]: Analyzing trace with hash -776841673, now seen corresponding path program 1 times [2020-10-25 19:43:42,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:42,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421483374] [2020-10-25 19:43:42,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:43,525 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 19:43:43,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421483374] [2020-10-25 19:43:43,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:43,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:43:43,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945273180] [2020-10-25 19:43:43,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:43,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:43,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:43,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:43,568 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-10-25 19:43:44,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:44,892 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-10-25 19:43:44,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:44,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-10-25 19:43:44,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:44,912 INFO L225 Difference]: With dead ends: 529 [2020-10-25 19:43:44,912 INFO L226 Difference]: Without dead ends: 266 [2020-10-25 19:43:44,917 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 19:43:44,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-25 19:43:44,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-25 19:43:44,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-25 19:43:44,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions. [2020-10-25 19:43:44,992 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 90 [2020-10-25 19:43:44,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:44,993 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions. [2020-10-25 19:43:44,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:44,993 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions. [2020-10-25 19:43:44,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-25 19:43:44,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:44,998 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-25 19:43:44,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 19:43:44,999 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:44,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:45,000 INFO L82 PathProgramCache]: Analyzing trace with hash 133618700, now seen corresponding path program 1 times [2020-10-25 19:43:45,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:45,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903730605] [2020-10-25 19:43:45,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:45,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:43:45,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903730605] [2020-10-25 19:43:45,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:45,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:43:45,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577235089] [2020-10-25 19:43:45,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:45,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:45,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:45,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:45,125 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand 3 states. [2020-10-25 19:43:45,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:45,890 INFO L93 Difference]: Finished difference Result 661 states and 955 transitions. [2020-10-25 19:43:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:45,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-10-25 19:43:45,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:45,899 INFO L225 Difference]: With dead ends: 661 [2020-10-25 19:43:45,900 INFO L226 Difference]: Without dead ends: 397 [2020-10-25 19:43:45,906 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 19:43:45,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-10-25 19:43:45,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2020-10-25 19:43:45,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-10-25 19:43:45,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 559 transitions. [2020-10-25 19:43:45,957 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 559 transitions. Word has length 96 [2020-10-25 19:43:45,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:45,958 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 559 transitions. [2020-10-25 19:43:45,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:45,958 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 559 transitions. [2020-10-25 19:43:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-25 19:43:45,966 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:45,967 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-25 19:43:45,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 19:43:45,969 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:45,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:45,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1213093644, now seen corresponding path program 1 times [2020-10-25 19:43:45,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:45,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685033013] [2020-10-25 19:43:45,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:46,177 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-25 19:43:46,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685033013] [2020-10-25 19:43:46,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:46,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:43:46,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029466945] [2020-10-25 19:43:46,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:46,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:46,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:46,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:46,199 INFO L87 Difference]: Start difference. First operand 397 states and 559 transitions. Second operand 3 states. [2020-10-25 19:43:46,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:46,957 INFO L93 Difference]: Finished difference Result 1185 states and 1672 transitions. [2020-10-25 19:43:46,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:46,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-10-25 19:43:46,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:46,966 INFO L225 Difference]: With dead ends: 1185 [2020-10-25 19:43:46,966 INFO L226 Difference]: Without dead ends: 790 [2020-10-25 19:43:46,968 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 19:43:46,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-10-25 19:43:46,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2020-10-25 19:43:46,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-10-25 19:43:47,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 911 transitions. [2020-10-25 19:43:47,001 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 911 transitions. Word has length 97 [2020-10-25 19:43:47,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:47,002 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 911 transitions. [2020-10-25 19:43:47,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:47,002 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 911 transitions. [2020-10-25 19:43:47,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-25 19:43:47,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:47,006 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-25 19:43:47,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 19:43:47,007 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:47,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:47,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1734597635, now seen corresponding path program 1 times [2020-10-25 19:43:47,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:47,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666827157] [2020-10-25 19:43:47,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:47,071 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:43:47,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666827157] [2020-10-25 19:43:47,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:47,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:43:47,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874735042] [2020-10-25 19:43:47,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:47,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:47,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:47,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:47,078 INFO L87 Difference]: Start difference. First operand 659 states and 911 transitions. Second operand 3 states. [2020-10-25 19:43:47,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:47,859 INFO L93 Difference]: Finished difference Result 1971 states and 2728 transitions. [2020-10-25 19:43:47,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:47,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-10-25 19:43:47,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:47,870 INFO L225 Difference]: With dead ends: 1971 [2020-10-25 19:43:47,870 INFO L226 Difference]: Without dead ends: 1314 [2020-10-25 19:43:47,872 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 19:43:47,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-10-25 19:43:47,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 921. [2020-10-25 19:43:47,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2020-10-25 19:43:47,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1204 transitions. [2020-10-25 19:43:47,917 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1204 transitions. Word has length 103 [2020-10-25 19:43:47,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:47,917 INFO L481 AbstractCegarLoop]: Abstraction has 921 states and 1204 transitions. [2020-10-25 19:43:47,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:47,918 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1204 transitions. [2020-10-25 19:43:47,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-25 19:43:47,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:47,922 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:43:47,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 19:43:47,923 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:47,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:47,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1320040445, now seen corresponding path program 1 times [2020-10-25 19:43:47,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:47,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568152884] [2020-10-25 19:43:47,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:48,002 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-25 19:43:48,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568152884] [2020-10-25 19:43:48,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:48,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:43:48,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710100779] [2020-10-25 19:43:48,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:48,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:48,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:48,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:48,006 INFO L87 Difference]: Start difference. First operand 921 states and 1204 transitions. Second operand 3 states. [2020-10-25 19:43:48,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:48,678 INFO L93 Difference]: Finished difference Result 2102 states and 2722 transitions. [2020-10-25 19:43:48,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:48,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-10-25 19:43:48,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:48,686 INFO L225 Difference]: With dead ends: 2102 [2020-10-25 19:43:48,686 INFO L226 Difference]: Without dead ends: 1183 [2020-10-25 19:43:48,688 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 19:43:48,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2020-10-25 19:43:48,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2020-10-25 19:43:48,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-10-25 19:43:48,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1329 transitions. [2020-10-25 19:43:48,733 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1329 transitions. Word has length 107 [2020-10-25 19:43:48,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:48,735 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1329 transitions. [2020-10-25 19:43:48,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:48,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1329 transitions. [2020-10-25 19:43:48,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-25 19:43:48,740 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:48,740 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:48,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 19:43:48,741 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:48,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:48,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1768360917, now seen corresponding path program 1 times [2020-10-25 19:43:48,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:48,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314052968] [2020-10-25 19:43:48,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:48,888 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:43:48,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314052968] [2020-10-25 19:43:48,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:48,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:43:48,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876063112] [2020-10-25 19:43:48,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:48,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:48,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:48,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:48,896 INFO L87 Difference]: Start difference. First operand 1052 states and 1329 transitions. Second operand 3 states. [2020-10-25 19:43:49,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:49,702 INFO L93 Difference]: Finished difference Result 2364 states and 2972 transitions. [2020-10-25 19:43:49,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:49,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-10-25 19:43:49,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:49,712 INFO L225 Difference]: With dead ends: 2364 [2020-10-25 19:43:49,712 INFO L226 Difference]: Without dead ends: 1314 [2020-10-25 19:43:49,714 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 19:43:49,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-10-25 19:43:49,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2020-10-25 19:43:49,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-10-25 19:43:49,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1621 transitions. [2020-10-25 19:43:49,771 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1621 transitions. Word has length 119 [2020-10-25 19:43:49,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:49,775 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1621 transitions. [2020-10-25 19:43:49,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:49,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1621 transitions. [2020-10-25 19:43:49,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-25 19:43:49,779 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:49,780 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:49,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 19:43:49,780 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:49,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:49,782 INFO L82 PathProgramCache]: Analyzing trace with hash 776987611, now seen corresponding path program 1 times [2020-10-25 19:43:49,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:49,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606742119] [2020-10-25 19:43:49,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:49,944 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:43:49,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606742119] [2020-10-25 19:43:49,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200498955] [2020-10-25 19:43:49,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:43:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:50,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:43:50,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:43:50,210 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-25 19:43:50,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:43:50,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-10-25 19:43:50,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82447676] [2020-10-25 19:43:50,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:50,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:50,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:50,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:43:50,214 INFO L87 Difference]: Start difference. First operand 1314 states and 1621 transitions. Second operand 3 states. [2020-10-25 19:43:51,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:51,049 INFO L93 Difference]: Finished difference Result 3674 states and 4530 transitions. [2020-10-25 19:43:51,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:51,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-10-25 19:43:51,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:51,066 INFO L225 Difference]: With dead ends: 3674 [2020-10-25 19:43:51,067 INFO L226 Difference]: Without dead ends: 2362 [2020-10-25 19:43:51,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:43:51,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-10-25 19:43:51,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2362. [2020-10-25 19:43:51,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-10-25 19:43:51,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2855 transitions. [2020-10-25 19:43:51,167 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2855 transitions. Word has length 123 [2020-10-25 19:43:51,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:51,169 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2855 transitions. [2020-10-25 19:43:51,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2855 transitions. [2020-10-25 19:43:51,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-25 19:43:51,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:51,175 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:51,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-10-25 19:43:51,389 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:51,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:51,389 INFO L82 PathProgramCache]: Analyzing trace with hash -694021722, now seen corresponding path program 1 times [2020-10-25 19:43:51,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:51,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309541871] [2020-10-25 19:43:51,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:51,482 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-25 19:43:51,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309541871] [2020-10-25 19:43:51,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:51,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:43:51,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597889398] [2020-10-25 19:43:51,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:51,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:51,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:51,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:51,486 INFO L87 Difference]: Start difference. First operand 2362 states and 2855 transitions. Second operand 3 states. [2020-10-25 19:43:52,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:52,276 INFO L93 Difference]: Finished difference Result 5377 states and 6544 transitions. [2020-10-25 19:43:52,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:52,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-10-25 19:43:52,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:52,292 INFO L225 Difference]: With dead ends: 5377 [2020-10-25 19:43:52,293 INFO L226 Difference]: Without dead ends: 2624 [2020-10-25 19:43:52,298 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 19:43:52,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-10-25 19:43:52,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2493. [2020-10-25 19:43:52,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2020-10-25 19:43:52,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 2818 transitions. [2020-10-25 19:43:52,372 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 2818 transitions. Word has length 130 [2020-10-25 19:43:52,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:52,372 INFO L481 AbstractCegarLoop]: Abstraction has 2493 states and 2818 transitions. [2020-10-25 19:43:52,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:52,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2818 transitions. [2020-10-25 19:43:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-25 19:43:52,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:52,379 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:43:52,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 19:43:52,380 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:52,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:52,381 INFO L82 PathProgramCache]: Analyzing trace with hash 965568418, now seen corresponding path program 1 times [2020-10-25 19:43:52,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:52,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661466695] [2020-10-25 19:43:52,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:52,571 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 70 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-25 19:43:52,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661466695] [2020-10-25 19:43:52,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234165412] [2020-10-25 19:43:52,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:43:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:52,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:43:52,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:43:52,762 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-25 19:43:52,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:43:52,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:43:52,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207200056] [2020-10-25 19:43:52,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:52,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:52,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:52,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:43:52,766 INFO L87 Difference]: Start difference. First operand 2493 states and 2818 transitions. Second operand 3 states. [2020-10-25 19:43:53,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:53,412 INFO L93 Difference]: Finished difference Result 5246 states and 5939 transitions. [2020-10-25 19:43:53,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:53,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-10-25 19:43:53,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:53,428 INFO L225 Difference]: With dead ends: 5246 [2020-10-25 19:43:53,428 INFO L226 Difference]: Without dead ends: 2755 [2020-10-25 19:43:53,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:43:53,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2020-10-25 19:43:53,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2624. [2020-10-25 19:43:53,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2624 states. [2020-10-25 19:43:53,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 2893 transitions. [2020-10-25 19:43:53,516 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 2893 transitions. Word has length 155 [2020-10-25 19:43:53,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:53,517 INFO L481 AbstractCegarLoop]: Abstraction has 2624 states and 2893 transitions. [2020-10-25 19:43:53,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:53,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2893 transitions. [2020-10-25 19:43:53,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-25 19:43:53,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:53,524 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:43:53,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:43:53,738 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:53,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:53,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1054489320, now seen corresponding path program 1 times [2020-10-25 19:43:53,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:53,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480272515] [2020-10-25 19:43:53,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:53,837 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 74 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-25 19:43:53,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480272515] [2020-10-25 19:43:53,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793355665] [2020-10-25 19:43:53,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:43:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:53,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:43:53,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:43:54,044 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-25 19:43:54,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:43:54,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:43:54,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580243751] [2020-10-25 19:43:54,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:54,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:54,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:54,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:43:54,048 INFO L87 Difference]: Start difference. First operand 2624 states and 2893 transitions. Second operand 3 states. [2020-10-25 19:43:54,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:54,625 INFO L93 Difference]: Finished difference Result 3150 states and 3486 transitions. [2020-10-25 19:43:54,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:54,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-10-25 19:43:54,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:54,643 INFO L225 Difference]: With dead ends: 3150 [2020-10-25 19:43:54,643 INFO L226 Difference]: Without dead ends: 3148 [2020-10-25 19:43:54,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:43:54,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-10-25 19:43:54,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3017. [2020-10-25 19:43:54,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-10-25 19:43:54,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3332 transitions. [2020-10-25 19:43:54,720 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3332 transitions. Word has length 159 [2020-10-25 19:43:54,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:54,721 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3332 transitions. [2020-10-25 19:43:54,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:54,722 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3332 transitions. [2020-10-25 19:43:54,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-25 19:43:54,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:54,730 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-25 19:43:54,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-25 19:43:54,944 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:54,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:54,945 INFO L82 PathProgramCache]: Analyzing trace with hash 793487067, now seen corresponding path program 1 times [2020-10-25 19:43:54,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:54,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660516266] [2020-10-25 19:43:54,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:55,078 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 110 proven. 3 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-10-25 19:43:55,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660516266] [2020-10-25 19:43:55,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637830627] [2020-10-25 19:43:55,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:43:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:55,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:43:55,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:43:55,264 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-25 19:43:55,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:43:55,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:43:55,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028706439] [2020-10-25 19:43:55,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:55,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:55,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:55,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:43:55,267 INFO L87 Difference]: Start difference. First operand 3017 states and 3332 transitions. Second operand 3 states. [2020-10-25 19:43:56,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:56,132 INFO L93 Difference]: Finished difference Result 6949 states and 7685 transitions. [2020-10-25 19:43:56,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:56,133 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-10-25 19:43:56,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:56,152 INFO L225 Difference]: With dead ends: 6949 [2020-10-25 19:43:56,152 INFO L226 Difference]: Without dead ends: 3934 [2020-10-25 19:43:56,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:43:56,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3934 states. [2020-10-25 19:43:56,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3934 to 3279. [2020-10-25 19:43:56,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3279 states. [2020-10-25 19:43:56,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 3625 transitions. [2020-10-25 19:43:56,249 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 3625 transitions. Word has length 189 [2020-10-25 19:43:56,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:56,250 INFO L481 AbstractCegarLoop]: Abstraction has 3279 states and 3625 transitions. [2020-10-25 19:43:56,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:56,250 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 3625 transitions. [2020-10-25 19:43:56,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-25 19:43:56,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:56,260 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 19:43:56,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:43:56,475 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:56,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:56,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1051716072, now seen corresponding path program 1 times [2020-10-25 19:43:56,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:56,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903629081] [2020-10-25 19:43:56,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:56,674 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 109 proven. 3 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-10-25 19:43:56,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903629081] [2020-10-25 19:43:56,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075813428] [2020-10-25 19:43:56,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:43:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:56,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:43:56,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:43:56,943 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-25 19:43:56,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:43:56,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:43:56,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002751767] [2020-10-25 19:43:56,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:56,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:56,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:56,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:43:56,946 INFO L87 Difference]: Start difference. First operand 3279 states and 3625 transitions. Second operand 3 states. [2020-10-25 19:43:57,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:57,562 INFO L93 Difference]: Finished difference Result 6556 states and 7248 transitions. [2020-10-25 19:43:57,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:57,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2020-10-25 19:43:57,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:57,578 INFO L225 Difference]: With dead ends: 6556 [2020-10-25 19:43:57,579 INFO L226 Difference]: Without dead ends: 3279 [2020-10-25 19:43:57,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:43:57,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2020-10-25 19:43:57,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 3017. [2020-10-25 19:43:57,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-10-25 19:43:57,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3313 transitions. [2020-10-25 19:43:57,658 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3313 transitions. Word has length 231 [2020-10-25 19:43:57,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:57,659 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3313 transitions. [2020-10-25 19:43:57,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:57,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3313 transitions. [2020-10-25 19:43:57,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-25 19:43:57,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:57,668 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:57,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-25 19:43:57,883 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:57,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:57,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1965892638, now seen corresponding path program 1 times [2020-10-25 19:43:57,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:57,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852553400] [2020-10-25 19:43:57,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:58,036 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 142 proven. 3 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-25 19:43:58,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852553400] [2020-10-25 19:43:58,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302252674] [2020-10-25 19:43:58,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:43:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:58,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:43:58,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:43:58,264 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2020-10-25 19:43:58,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:43:58,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:43:58,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174550759] [2020-10-25 19:43:58,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:58,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:58,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:58,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:43:58,268 INFO L87 Difference]: Start difference. First operand 3017 states and 3313 transitions. Second operand 3 states. [2020-10-25 19:43:58,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:58,970 INFO L93 Difference]: Finished difference Result 6687 states and 7334 transitions. [2020-10-25 19:43:58,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:58,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-10-25 19:43:58,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:58,985 INFO L225 Difference]: With dead ends: 6687 [2020-10-25 19:43:58,986 INFO L226 Difference]: Without dead ends: 3541 [2020-10-25 19:43:58,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:43:58,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3541 states. [2020-10-25 19:43:59,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3541 to 3410. [2020-10-25 19:43:59,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3410 states. [2020-10-25 19:43:59,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 3690 transitions. [2020-10-25 19:43:59,056 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 3690 transitions. Word has length 243 [2020-10-25 19:43:59,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:59,057 INFO L481 AbstractCegarLoop]: Abstraction has 3410 states and 3690 transitions. [2020-10-25 19:43:59,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:59,057 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 3690 transitions. [2020-10-25 19:43:59,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-10-25 19:43:59,067 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:59,068 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:59,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:43:59,283 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:59,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:59,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1368618920, now seen corresponding path program 1 times [2020-10-25 19:43:59,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:59,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416036936] [2020-10-25 19:43:59,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:59,420 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 147 proven. 3 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2020-10-25 19:43:59,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416036936] [2020-10-25 19:43:59,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122172091] [2020-10-25 19:43:59,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:43:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:59,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:43:59,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:43:59,715 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2020-10-25 19:43:59,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:43:59,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:43:59,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042872333] [2020-10-25 19:43:59,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:59,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:59,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:59,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:43:59,718 INFO L87 Difference]: Start difference. First operand 3410 states and 3690 transitions. Second operand 3 states. [2020-10-25 19:44:00,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:44:00,348 INFO L93 Difference]: Finished difference Result 6292 states and 6812 transitions. [2020-10-25 19:44:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:44:00,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 248 [2020-10-25 19:44:00,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:44:00,349 INFO L225 Difference]: With dead ends: 6292 [2020-10-25 19:44:00,349 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 19:44:00,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:44:00,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 19:44:00,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 19:44:00,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 19:44:00,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 19:44:00,353 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 248 [2020-10-25 19:44:00,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:44:00,354 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 19:44:00,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:44:00,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 19:44:00,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 19:44:00,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-10-25 19:44:00,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 19:44:01,615 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2020-10-25 19:44:02,512 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2020-10-25 19:44:02,516 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,516 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,516 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,516 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,516 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,516 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,516 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-25 19:44:02,516 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-25 19:44:02,516 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-25 19:44:02,517 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-25 19:44:02,517 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-25 19:44:02,517 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-25 19:44:02,517 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-25 19:44:02,517 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-25 19:44:02,517 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-25 19:44:02,517 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-25 19:44:02,517 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 19:44:02,517 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-25 19:44:02,517 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-25 19:44:02,517 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,517 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,518 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,518 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,518 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,518 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,518 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-25 19:44:02,518 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-25 19:44:02,519 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-25 19:44:02,519 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-25 19:44:02,519 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-25 19:44:02,519 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-25 19:44:02,519 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-25 19:44:02,519 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-25 19:44:02,520 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-25 19:44:02,520 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-25 19:44:02,520 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,520 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,520 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,520 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,520 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,520 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,520 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-25 19:44:02,520 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-25 19:44:02,520 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-25 19:44:02,520 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-25 19:44:02,521 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-25 19:44:02,521 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-25 19:44:02,521 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-25 19:44:02,521 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-25 19:44:02,521 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-25 19:44:02,521 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-25 19:44:02,521 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-25 19:44:02,521 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-25 19:44:02,521 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-25 19:44:02,521 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-25 19:44:02,521 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-25 19:44:02,521 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,521 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,521 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,522 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,522 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,522 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-25 19:44:02,522 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-25 19:44:02,522 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-25 19:44:02,522 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-25 19:44:02,522 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-25 19:44:02,522 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-25 19:44:02,522 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-25 19:44:02,522 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-25 19:44:02,522 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-25 19:44:02,523 INFO L270 CegarLoopResult]: At program point L576(lines 32 577) the Hoare annotation is: (let ((.cse1 (<= ~a7~0 0)) (.cse8 (<= ~a16~0 5)) (.cse2 (<= 15 ~a8~0)) (.cse4 (<= ~a20~0 0)) (.cse9 (<= ~a21~0 0)) (.cse11 (<= ~a16~0 4)) (.cse3 (= ~a17~0 1)) (.cse7 (<= ~a8~0 13)) (.cse0 (= ~a21~0 1)) (.cse5 (<= ~a17~0 0)) (.cse10 (= ~a20~0 1)) (.cse6 (<= 5 ~a16~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse5 .cse6 .cse7) (and .cse8 .cse5 .cse4) (and .cse8 .cse9 .cse10 .cse3 .cse7) (and .cse0 .cse1 .cse10 .cse3) (and .cse11 .cse7 .cse4) (and .cse0 .cse8 .cse1 .cse10 .cse7) (and .cse0 .cse5 .cse1 .cse10) (and .cse0 .cse8 .cse3 .cse2 .cse4) (and .cse5 .cse9 .cse7) (and .cse11 .cse10 .cse3 .cse7) (and .cse0 .cse10 .cse3 .cse7) (and .cse0 .cse5 .cse10 .cse6))) [2020-10-25 19:44:02,523 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,523 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,523 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,524 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,524 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,524 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-25 19:44:02,524 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-25 19:44:02,524 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-25 19:44:02,524 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-25 19:44:02,524 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-25 19:44:02,524 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-25 19:44:02,524 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-25 19:44:02,524 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-25 19:44:02,525 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-25 19:44:02,525 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-25 19:44:02,525 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-25 19:44:02,525 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-25 19:44:02,525 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-25 19:44:02,525 INFO L277 CegarLoopResult]: At program point L579(lines 579 596) the Hoare annotation is: true [2020-10-25 19:44:02,525 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,525 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,525 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,525 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,525 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,525 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-25 19:44:02,526 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-25 19:44:02,526 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-25 19:44:02,526 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-25 19:44:02,526 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-25 19:44:02,526 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-25 19:44:02,526 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-25 19:44:02,526 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-25 19:44:02,526 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 19:44:02,526 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-25 19:44:02,526 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,526 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,526 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,526 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,527 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-25 19:44:02,527 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,527 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-25 19:44:02,527 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-25 19:44:02,527 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-25 19:44:02,527 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-25 19:44:02,527 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-25 19:44:02,527 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-25 19:44:02,527 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-25 19:44:02,527 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-25 19:44:02,527 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-25 19:44:02,527 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-25 19:44:02,528 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-25 19:44:02,528 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-25 19:44:02,528 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-25 19:44:02,528 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,528 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse1 (<= ~a7~0 0)) (.cse8 (<= ~a16~0 5)) (.cse2 (<= 15 ~a8~0)) (.cse4 (<= ~a20~0 0)) (.cse9 (<= ~a21~0 0)) (.cse11 (<= ~a16~0 4)) (.cse3 (= ~a17~0 1)) (.cse7 (<= ~a8~0 13)) (.cse0 (= ~a21~0 1)) (.cse5 (<= ~a17~0 0)) (.cse10 (= ~a20~0 1)) (.cse6 (<= 5 ~a16~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse5 .cse6 .cse7) (and .cse8 .cse5 .cse4) (and .cse8 .cse9 .cse10 .cse3 .cse7) (and .cse0 .cse1 .cse10 .cse3) (and .cse11 .cse7 .cse4) (and .cse0 .cse8 .cse1 .cse10 .cse7) (and .cse0 .cse5 .cse1 .cse10) (and .cse0 .cse8 .cse3 .cse2 .cse4) (and .cse5 .cse9 .cse7) (and .cse11 .cse10 .cse3 .cse7) (and .cse0 .cse10 .cse3 .cse7) (and .cse0 .cse5 .cse10 .cse6))) [2020-10-25 19:44:02,528 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,528 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,528 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,529 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,529 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-25 19:44:02,529 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-25 19:44:02,529 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-25 19:44:02,529 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-25 19:44:02,529 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-25 19:44:02,529 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-25 19:44:02,529 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-25 19:44:02,529 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 19:44:02,529 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-25 19:44:02,529 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,529 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,529 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,529 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,530 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,530 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-25 19:44:02,530 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-25 19:44:02,530 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-25 19:44:02,530 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-25 19:44:02,530 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-25 19:44:02,530 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-25 19:44:02,530 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-25 19:44:02,530 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-25 19:44:02,530 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-25 19:44:02,530 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-25 19:44:02,530 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 19:44:02,530 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-25 19:44:02,531 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-25 19:44:02,531 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,531 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,531 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,531 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,531 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-25 19:44:02,531 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,531 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,531 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-25 19:44:02,531 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-25 19:44:02,531 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-25 19:44:02,531 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-25 19:44:02,531 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-25 19:44:02,531 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-25 19:44:02,532 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-25 19:44:02,532 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-25 19:44:02,532 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-25 19:44:02,532 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-25 19:44:02,532 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-25 19:44:02,532 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-25 19:44:02,532 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 19:44:02,532 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 19:44:02,532 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,537 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,538 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,538 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,538 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,538 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-25 19:44:02,538 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:02,539 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-25 19:44:02,539 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-25 19:44:02,539 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-25 19:44:02,539 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-25 19:44:02,539 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-25 19:44:02,539 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-25 19:44:02,539 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-25 19:44:02,540 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-25 19:44:02,540 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-25 19:44:02,540 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-25 19:44:02,540 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-25 19:44:02,540 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-25 19:44:02,540 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-25 19:44:02,541 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-25 19:44:02,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:44:02 BoogieIcfgContainer [2020-10-25 19:44:02,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:44:02,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:44:02,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:44:02,609 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:44:02,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:43:42" (3/4) ... [2020-10-25 19:44:02,615 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 19:44:02,662 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 19:44:02,663 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 19:44:02,664 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:44:02,665 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:44:02,835 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 19:44:02,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:44:02,836 INFO L168 Benchmark]: Toolchain (without parser) took 22802.34 ms. Allocated memory was 52.4 MB in the beginning and 356.5 MB in the end (delta: 304.1 MB). Free memory was 27.5 MB in the beginning and 296.0 MB in the end (delta: -268.5 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:02,837 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 39.8 MB. Free memory was 26.3 MB in the beginning and 26.2 MB in the end (delta: 36.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:44:02,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.59 ms. Allocated memory is still 52.4 MB. Free memory was 26.9 MB in the beginning and 25.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:02,838 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.89 ms. Allocated memory is still 52.4 MB. Free memory was 25.5 MB in the beginning and 32.6 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:02,838 INFO L168 Benchmark]: Boogie Preprocessor took 75.40 ms. Allocated memory is still 52.4 MB. Free memory was 32.6 MB in the beginning and 28.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:02,839 INFO L168 Benchmark]: RCFGBuilder took 1847.60 ms. Allocated memory was 52.4 MB in the beginning and 79.7 MB in the end (delta: 27.3 MB). Free memory was 28.0 MB in the beginning and 51.6 MB in the end (delta: -23.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:02,839 INFO L168 Benchmark]: TraceAbstraction took 19773.17 ms. Allocated memory was 79.7 MB in the beginning and 356.5 MB in the end (delta: 276.8 MB). Free memory was 51.1 MB in the beginning and 311.7 MB in the end (delta: -260.6 MB). Peak memory consumption was 214.6 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:02,839 INFO L168 Benchmark]: Witness Printer took 226.37 ms. Allocated memory is still 356.5 MB. Free memory was 311.7 MB in the beginning and 296.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:02,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 39.8 MB. Free memory was 26.3 MB in the beginning and 26.2 MB in the end (delta: 36.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 748.59 ms. Allocated memory is still 52.4 MB. Free memory was 26.9 MB in the beginning and 25.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.89 ms. Allocated memory is still 52.4 MB. Free memory was 25.5 MB in the beginning and 32.6 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.40 ms. Allocated memory is still 52.4 MB. Free memory was 32.6 MB in the beginning and 28.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1847.60 ms. Allocated memory was 52.4 MB in the beginning and 79.7 MB in the end (delta: 27.3 MB). Free memory was 28.0 MB in the beginning and 51.6 MB in the end (delta: -23.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19773.17 ms. Allocated memory was 79.7 MB in the beginning and 356.5 MB in the end (delta: 276.8 MB). Free memory was 51.1 MB in the beginning and 311.7 MB in the end (delta: -260.6 MB). Peak memory consumption was 214.6 MB. Max. memory is 16.1 GB. * Witness Printer took 226.37 ms. Allocated memory is still 356.5 MB. Free memory was 311.7 MB in the beginning and 296.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 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: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((((((((((((((((a21 == 1 && a7 <= 0) && 15 <= a8) && a17 == 1) && a20 <= 0) || (((a17 <= 0 && a7 <= 0) && 15 <= a8) && a20 <= 0)) || ((a17 <= 0 && 5 <= a16) && a8 <= 13)) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || ((((a16 <= 5 && a21 <= 0) && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || ((a16 <= 4 && a8 <= 13) && a20 <= 0)) || ((((a21 == 1 && a16 <= 5) && a7 <= 0) && a20 == 1) && a8 <= 13)) || (((a21 == 1 && a17 <= 0) && a7 <= 0) && a20 == 1)) || ((((a21 == 1 && a16 <= 5) && a17 == 1) && 15 <= a8) && a20 <= 0)) || ((a17 <= 0 && a21 <= 0) && a8 <= 13)) || (((a16 <= 4 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a17 <= 0) && a20 == 1) && 5 <= a16) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((a21 == 1 && a7 <= 0) && 15 <= a8) && a17 == 1) && a20 <= 0) || (((a17 <= 0 && a7 <= 0) && 15 <= a8) && a20 <= 0)) || ((a17 <= 0 && 5 <= a16) && a8 <= 13)) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || ((((a16 <= 5 && a21 <= 0) && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || ((a16 <= 4 && a8 <= 13) && a20 <= 0)) || ((((a21 == 1 && a16 <= 5) && a7 <= 0) && a20 == 1) && a8 <= 13)) || (((a21 == 1 && a17 <= 0) && a7 <= 0) && a20 == 1)) || ((((a21 == 1 && a16 <= 5) && a17 == 1) && 15 <= a8) && a20 <= 0)) || ((a17 <= 0 && a21 <= 0) && a8 <= 13)) || (((a16 <= 4 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a17 <= 0) && a20 == 1) && 5 <= a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.6s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 11.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1188 SDtfs, 1463 SDslu, 73 SDs, 0 SdLazy, 4517 SolverSat, 722 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1377 GetRequests, 1349 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3410occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 2096 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 59 NumberOfFragments, 367 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2774 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1000 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 3438 NumberOfCodeBlocks, 3438 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 3417 ConstructedInterpolants, 0 QuantifiedInterpolants, 1107946 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2973 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 21 InterpolantComputations, 14 PerfectInterpolantSequences, 3385/3406 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...