./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label59.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_label59.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 aa9dc3f706fb472e558295de68e3bedcb3684769 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:45:19,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:45:19,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:45:19,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:45:19,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:45:19,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:45:19,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:45:19,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:45:19,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:45:19,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:45:19,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:45:19,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:45:19,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:45:19,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:45:19,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:45:19,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:45:19,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:45:19,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:45:19,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:45:19,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:45:19,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:45:19,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:45:19,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:45:19,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:45:19,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:45:19,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:45:19,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:45:19,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:45:19,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:45:19,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:45:19,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:45:19,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:45:19,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:45:19,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:45:19,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:45:19,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:45:19,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:45:19,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:45:19,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:45:19,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:45:19,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:45:19,889 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 19:45:19,942 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:45:19,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:45:19,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:45:19,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:45:19,946 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:45:19,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:45:19,947 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:45:19,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 19:45:19,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:45:19,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:45:19,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:45:19,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:45:19,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:45:19,949 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:45:19,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:45:19,949 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:45:19,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:45:19,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:45:19,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:45:19,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:45:19,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:45:19,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:45:19,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:45:19,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:45:19,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:45:19,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 19:45:19,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 19:45:19,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:45:19,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:45:19,952 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa9dc3f706fb472e558295de68e3bedcb3684769 [2020-10-25 19:45:20,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:45:20,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:45:20,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:45:20,386 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:45:20,388 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:45:20,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label59.c [2020-10-25 19:45:20,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ac13266/18a085c061ca498ead3f7c45a875e6e9/FLAG5fec0fabb [2020-10-25 19:45:21,180 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:45:21,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label59.c [2020-10-25 19:45:21,223 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ac13266/18a085c061ca498ead3f7c45a875e6e9/FLAG5fec0fabb [2020-10-25 19:45:21,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ac13266/18a085c061ca498ead3f7c45a875e6e9 [2020-10-25 19:45:21,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:45:21,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:45:21,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:45:21,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:45:21,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:45:21,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:45:21" (1/1) ... [2020-10-25 19:45:21,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115da53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:21, skipping insertion in model container [2020-10-25 19:45:21,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:45:21" (1/1) ... [2020-10-25 19:45:21,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:45:21,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:45:22,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:45:22,047 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:45:22,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:45:22,228 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:45:22,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:22 WrapperNode [2020-10-25 19:45:22,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:45:22,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:45:22,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:45:22,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:45:22,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:22" (1/1) ... [2020-10-25 19:45:22,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:22" (1/1) ... [2020-10-25 19:45:22,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:45:22,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:45:22,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:45:22,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:45:22,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:22" (1/1) ... [2020-10-25 19:45:22,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:22" (1/1) ... [2020-10-25 19:45:22,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:22" (1/1) ... [2020-10-25 19:45:22,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:22" (1/1) ... [2020-10-25 19:45:22,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:22" (1/1) ... [2020-10-25 19:45:22,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:22" (1/1) ... [2020-10-25 19:45:22,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:22" (1/1) ... [2020-10-25 19:45:22,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:45:22,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:45:22,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:45:22,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:45:22,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:22" (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 19:45:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 19:45:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:45:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:45:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:45:24,289 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:45:24,290 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 19:45:24,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:45:24 BoogieIcfgContainer [2020-10-25 19:45:24,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:45:24,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:45:24,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:45:24,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:45:24,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:45:21" (1/3) ... [2020-10-25 19:45:24,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72884da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:45:24, skipping insertion in model container [2020-10-25 19:45:24,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:22" (2/3) ... [2020-10-25 19:45:24,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72884da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:45:24, skipping insertion in model container [2020-10-25 19:45:24,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:45:24" (3/3) ... [2020-10-25 19:45:24,301 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label59.c [2020-10-25 19:45:24,314 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:45:24,320 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:45:24,340 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:45:24,369 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:45:24,369 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:45:24,369 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:45:24,370 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:45:24,370 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:45:24,370 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:45:24,370 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:45:24,370 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:45:24,391 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-10-25 19:45:24,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-25 19:45:24,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:24,405 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] [2020-10-25 19:45:24,407 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:24,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:24,415 INFO L82 PathProgramCache]: Analyzing trace with hash 806224438, now seen corresponding path program 1 times [2020-10-25 19:45:24,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:24,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850371769] [2020-10-25 19:45:24,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:24,944 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 19:45:24,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850371769] [2020-10-25 19:45:24,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:24,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:45:24,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519413854] [2020-10-25 19:45:24,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:24,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:24,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:24,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:24,971 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-10-25 19:45:25,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:25,890 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-10-25 19:45:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:25,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-10-25 19:45:25,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:25,908 INFO L225 Difference]: With dead ends: 529 [2020-10-25 19:45:25,909 INFO L226 Difference]: Without dead ends: 266 [2020-10-25 19:45:25,913 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 19:45:25,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-25 19:45:25,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-25 19:45:25,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-25 19:45:25,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions. [2020-10-25 19:45:25,979 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 89 [2020-10-25 19:45:25,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:25,980 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions. [2020-10-25 19:45:25,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:25,980 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions. [2020-10-25 19:45:25,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-25 19:45:25,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:25,984 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] [2020-10-25 19:45:25,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 19:45:25,985 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:25,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:25,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1796805183, now seen corresponding path program 1 times [2020-10-25 19:45:25,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:25,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190831289] [2020-10-25 19:45:25,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:26,069 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 19:45:26,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190831289] [2020-10-25 19:45:26,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:26,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:45:26,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60157764] [2020-10-25 19:45:26,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:26,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:26,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:26,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:26,078 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand 3 states. [2020-10-25 19:45:26,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:26,845 INFO L93 Difference]: Finished difference Result 661 states and 955 transitions. [2020-10-25 19:45:26,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:26,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-10-25 19:45:26,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:26,857 INFO L225 Difference]: With dead ends: 661 [2020-10-25 19:45:26,858 INFO L226 Difference]: Without dead ends: 397 [2020-10-25 19:45:26,860 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 19:45:26,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-10-25 19:45:26,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2020-10-25 19:45:26,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-10-25 19:45:26,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 559 transitions. [2020-10-25 19:45:26,899 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 559 transitions. Word has length 95 [2020-10-25 19:45:26,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:26,900 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 559 transitions. [2020-10-25 19:45:26,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:26,900 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 559 transitions. [2020-10-25 19:45:26,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-25 19:45:26,903 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:26,904 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] [2020-10-25 19:45:26,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 19:45:26,904 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:26,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:26,905 INFO L82 PathProgramCache]: Analyzing trace with hash 2117341889, now seen corresponding path program 1 times [2020-10-25 19:45:26,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:26,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811689025] [2020-10-25 19:45:26,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:27,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:27,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811689025] [2020-10-25 19:45:27,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:27,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:45:27,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887513197] [2020-10-25 19:45:27,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:27,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:27,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:27,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:27,111 INFO L87 Difference]: Start difference. First operand 397 states and 559 transitions. Second operand 3 states. [2020-10-25 19:45:27,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:27,895 INFO L93 Difference]: Finished difference Result 1185 states and 1672 transitions. [2020-10-25 19:45:27,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:27,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-10-25 19:45:27,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:27,902 INFO L225 Difference]: With dead ends: 1185 [2020-10-25 19:45:27,903 INFO L226 Difference]: Without dead ends: 790 [2020-10-25 19:45:27,904 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 19:45:27,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-10-25 19:45:27,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 528. [2020-10-25 19:45:27,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-10-25 19:45:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 714 transitions. [2020-10-25 19:45:27,936 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 714 transitions. Word has length 96 [2020-10-25 19:45:27,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:27,937 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 714 transitions. [2020-10-25 19:45:27,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 714 transitions. [2020-10-25 19:45:27,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-25 19:45:27,949 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:27,949 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:27,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 19:45:27,950 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:27,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:27,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1269982918, now seen corresponding path program 1 times [2020-10-25 19:45:27,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:27,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565011995] [2020-10-25 19:45:27,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:28,081 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:28,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565011995] [2020-10-25 19:45:28,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:28,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:45:28,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244110753] [2020-10-25 19:45:28,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:28,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:28,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:28,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:28,084 INFO L87 Difference]: Start difference. First operand 528 states and 714 transitions. Second operand 3 states. [2020-10-25 19:45:28,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:28,801 INFO L93 Difference]: Finished difference Result 1578 states and 2137 transitions. [2020-10-25 19:45:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:28,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-10-25 19:45:28,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:28,807 INFO L225 Difference]: With dead ends: 1578 [2020-10-25 19:45:28,807 INFO L226 Difference]: Without dead ends: 921 [2020-10-25 19:45:28,808 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 19:45:28,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-10-25 19:45:28,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 790. [2020-10-25 19:45:28,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-10-25 19:45:28,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 952 transitions. [2020-10-25 19:45:28,842 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 952 transitions. Word has length 97 [2020-10-25 19:45:28,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:28,843 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 952 transitions. [2020-10-25 19:45:28,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 952 transitions. [2020-10-25 19:45:28,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-25 19:45:28,853 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:28,854 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:28,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 19:45:28,854 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:28,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:28,857 INFO L82 PathProgramCache]: Analyzing trace with hash -161675444, now seen corresponding path program 1 times [2020-10-25 19:45:28,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:28,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661139860] [2020-10-25 19:45:28,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:28,996 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:28,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661139860] [2020-10-25 19:45:28,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281987384] [2020-10-25 19:45:28,997 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 19:45:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:29,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:45:29,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:45:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-25 19:45:29,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:45:29,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:45:29,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230654710] [2020-10-25 19:45:29,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:29,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:29,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:29,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:45:29,313 INFO L87 Difference]: Start difference. First operand 790 states and 952 transitions. Second operand 3 states. [2020-10-25 19:45:30,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:30,042 INFO L93 Difference]: Finished difference Result 2102 states and 2510 transitions. [2020-10-25 19:45:30,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:30,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-10-25 19:45:30,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:30,052 INFO L225 Difference]: With dead ends: 2102 [2020-10-25 19:45:30,053 INFO L226 Difference]: Without dead ends: 1052 [2020-10-25 19:45:30,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 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 19:45:30,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-10-25 19:45:30,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 790. [2020-10-25 19:45:30,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-10-25 19:45:30,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 940 transitions. [2020-10-25 19:45:30,100 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 940 transitions. Word has length 101 [2020-10-25 19:45:30,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:30,101 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 940 transitions. [2020-10-25 19:45:30,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:30,101 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 940 transitions. [2020-10-25 19:45:30,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-25 19:45:30,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:30,106 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] [2020-10-25 19:45:30,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:45:30,320 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:30,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:30,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1897080554, now seen corresponding path program 1 times [2020-10-25 19:45:30,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:30,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098615134] [2020-10-25 19:45:30,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:30,442 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 19:45:30,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098615134] [2020-10-25 19:45:30,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:30,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:45:30,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224590604] [2020-10-25 19:45:30,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:30,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:30,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:30,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:30,450 INFO L87 Difference]: Start difference. First operand 790 states and 940 transitions. Second operand 3 states. [2020-10-25 19:45:31,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:31,098 INFO L93 Difference]: Finished difference Result 2233 states and 2664 transitions. [2020-10-25 19:45:31,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:31,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-10-25 19:45:31,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:31,108 INFO L225 Difference]: With dead ends: 2233 [2020-10-25 19:45:31,108 INFO L226 Difference]: Without dead ends: 1445 [2020-10-25 19:45:31,111 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 19:45:31,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2020-10-25 19:45:31,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1314. [2020-10-25 19:45:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-10-25 19:45:31,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1507 transitions. [2020-10-25 19:45:31,170 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1507 transitions. Word has length 106 [2020-10-25 19:45:31,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:31,170 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1507 transitions. [2020-10-25 19:45:31,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1507 transitions. [2020-10-25 19:45:31,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-25 19:45:31,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:31,177 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] [2020-10-25 19:45:31,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 19:45:31,184 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:31,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:31,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1581064408, now seen corresponding path program 1 times [2020-10-25 19:45:31,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:31,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82447676] [2020-10-25 19:45:31,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:31,309 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 19:45:31,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82447676] [2020-10-25 19:45:31,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:31,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:45:31,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087934569] [2020-10-25 19:45:31,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:31,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:31,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:31,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:31,313 INFO L87 Difference]: Start difference. First operand 1314 states and 1507 transitions. Second operand 3 states. [2020-10-25 19:45:31,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:31,890 INFO L93 Difference]: Finished difference Result 2888 states and 3301 transitions. [2020-10-25 19:45:31,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:31,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-10-25 19:45:31,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:31,899 INFO L225 Difference]: With dead ends: 2888 [2020-10-25 19:45:31,899 INFO L226 Difference]: Without dead ends: 1576 [2020-10-25 19:45:31,901 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 19:45:31,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2020-10-25 19:45:31,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1576. [2020-10-25 19:45:31,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2020-10-25 19:45:31,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1782 transitions. [2020-10-25 19:45:31,947 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1782 transitions. Word has length 118 [2020-10-25 19:45:31,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:31,948 INFO L481 AbstractCegarLoop]: Abstraction has 1576 states and 1782 transitions. [2020-10-25 19:45:31,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:31,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1782 transitions. [2020-10-25 19:45:31,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-25 19:45:31,952 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:31,952 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] [2020-10-25 19:45:31,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 19:45:31,952 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:31,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:31,953 INFO L82 PathProgramCache]: Analyzing trace with hash -529125358, now seen corresponding path program 1 times [2020-10-25 19:45:31,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:31,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107806206] [2020-10-25 19:45:31,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:32,102 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 19:45:32,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107806206] [2020-10-25 19:45:32,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070236009] [2020-10-25 19:45:32,104 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 19:45:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:32,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:45:32,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:45:32,243 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-25 19:45:32,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:45:32,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:45:32,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868022937] [2020-10-25 19:45:32,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:32,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:32,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:32,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:45:32,246 INFO L87 Difference]: Start difference. First operand 1576 states and 1782 transitions. Second operand 3 states. [2020-10-25 19:45:32,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:32,782 INFO L93 Difference]: Finished difference Result 3150 states and 3579 transitions. [2020-10-25 19:45:32,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:32,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-10-25 19:45:32,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:32,797 INFO L225 Difference]: With dead ends: 3150 [2020-10-25 19:45:32,797 INFO L226 Difference]: Without dead ends: 1707 [2020-10-25 19:45:32,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 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 19:45:32,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2020-10-25 19:45:32,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576. [2020-10-25 19:45:32,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2020-10-25 19:45:32,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1729 transitions. [2020-10-25 19:45:32,849 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1729 transitions. Word has length 122 [2020-10-25 19:45:32,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:32,850 INFO L481 AbstractCegarLoop]: Abstraction has 1576 states and 1729 transitions. [2020-10-25 19:45:32,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1729 transitions. [2020-10-25 19:45:32,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-25 19:45:32,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:32,855 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:33,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:45:33,069 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:33,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:33,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1695718228, now seen corresponding path program 1 times [2020-10-25 19:45:33,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:33,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800988412] [2020-10-25 19:45:33,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:33,181 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-25 19:45:33,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800988412] [2020-10-25 19:45:33,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436776080] [2020-10-25 19:45:33,184 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 19:45:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:33,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:45:33,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:45:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-25 19:45:33,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:45:33,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:45:33,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877300523] [2020-10-25 19:45:33,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:33,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:33,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:33,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:45:33,384 INFO L87 Difference]: Start difference. First operand 1576 states and 1729 transitions. Second operand 3 states. [2020-10-25 19:45:34,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:34,020 INFO L93 Difference]: Finished difference Result 3543 states and 3912 transitions. [2020-10-25 19:45:34,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:34,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-10-25 19:45:34,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:34,030 INFO L225 Difference]: With dead ends: 3543 [2020-10-25 19:45:34,030 INFO L226 Difference]: Without dead ends: 1838 [2020-10-25 19:45:34,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 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 19:45:34,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-10-25 19:45:34,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1445. [2020-10-25 19:45:34,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2020-10-25 19:45:34,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1586 transitions. [2020-10-25 19:45:34,072 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1586 transitions. Word has length 135 [2020-10-25 19:45:34,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:34,072 INFO L481 AbstractCegarLoop]: Abstraction has 1445 states and 1586 transitions. [2020-10-25 19:45:34,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:34,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1586 transitions. [2020-10-25 19:45:34,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-25 19:45:34,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:34,076 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:34,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:45:34,291 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:34,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:34,292 INFO L82 PathProgramCache]: Analyzing trace with hash 2053523843, now seen corresponding path program 1 times [2020-10-25 19:45:34,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:34,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690578953] [2020-10-25 19:45:34,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:34,433 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:34,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690578953] [2020-10-25 19:45:34,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194709986] [2020-10-25 19:45:34,434 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 19:45:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:34,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:45:34,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:45:34,575 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:34,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:45:34,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:45:34,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561186911] [2020-10-25 19:45:34,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:34,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:34,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:34,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:45:34,577 INFO L87 Difference]: Start difference. First operand 1445 states and 1586 transitions. Second operand 3 states. [2020-10-25 19:45:35,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:35,067 INFO L93 Difference]: Finished difference Result 2886 states and 3174 transitions. [2020-10-25 19:45:35,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:35,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-25 19:45:35,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:35,068 INFO L225 Difference]: With dead ends: 2886 [2020-10-25 19:45:35,069 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 19:45:35,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 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 19:45:35,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 19:45:35,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 19:45:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 19:45:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 19:45:35,073 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 148 [2020-10-25 19:45:35,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:35,073 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 19:45:35,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 19:45:35,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 19:45:35,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:45:35,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 19:45:35,590 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2020-10-25 19:45:35,866 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2020-10-25 19:45:35,870 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,870 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,870 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,870 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,871 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,871 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,871 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-25 19:45:35,871 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-25 19:45:35,871 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-25 19:45:35,871 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-25 19:45:35,871 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-25 19:45:35,871 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-25 19:45:35,871 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-25 19:45:35,872 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-25 19:45:35,872 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-25 19:45:35,872 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-25 19:45:35,872 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 19:45:35,872 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-25 19:45:35,872 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-25 19:45:35,872 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,872 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,872 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,873 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,873 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,873 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,873 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-25 19:45:35,873 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-25 19:45:35,873 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-25 19:45:35,873 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-25 19:45:35,873 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-25 19:45:35,873 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-25 19:45:35,874 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-25 19:45:35,874 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-25 19:45:35,874 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-25 19:45:35,874 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-25 19:45:35,874 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,874 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,874 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,874 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,874 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,874 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,875 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-25 19:45:35,875 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-25 19:45:35,875 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-25 19:45:35,875 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-25 19:45:35,875 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-25 19:45:35,875 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-25 19:45:35,875 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-25 19:45:35,875 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-25 19:45:35,875 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-25 19:45:35,875 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-25 19:45:35,876 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-25 19:45:35,876 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-25 19:45:35,876 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-25 19:45:35,876 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-25 19:45:35,876 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-25 19:45:35,876 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,876 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,876 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,876 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,877 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,877 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-25 19:45:35,877 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-25 19:45:35,877 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-25 19:45:35,877 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-25 19:45:35,877 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-25 19:45:35,877 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-25 19:45:35,877 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-25 19:45:35,877 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-25 19:45:35,878 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-25 19:45:35,878 INFO L270 CegarLoopResult]: At program point L576(lines 32 577) the Hoare annotation is: (let ((.cse4 (<= ~a16~0 5)) (.cse8 (<= ~a8~0 13)) (.cse9 (= ~a7~0 1))) (let ((.cse3 (= ~a21~0 1)) (.cse0 (<= ~a17~0 0)) (.cse2 (<= ~a8~0 14)) (.cse5 (= ~a20~0 1)) (.cse7 (= ~a17~0 1)) (.cse6 (or (and .cse4 .cse8) .cse9)) (.cse1 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse0 .cse6) (and .cse2 .cse4 .cse1) (and .cse3 .cse7 .cse1) (and .cse3 .cse5 .cse8) (and .cse3 .cse5 (<= 5 ~a16~0) .cse7) (and .cse9 .cse3 .cse5) (and .cse3 .cse0 .cse5) (and .cse2 .cse5 .cse6 .cse7) (and .cse6 .cse1)))) [2020-10-25 19:45:35,878 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,878 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,879 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,879 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,879 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,879 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-25 19:45:35,879 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-25 19:45:35,879 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-25 19:45:35,879 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-25 19:45:35,879 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-25 19:45:35,879 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-25 19:45:35,879 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-25 19:45:35,880 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-25 19:45:35,880 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-25 19:45:35,880 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-25 19:45:35,880 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-25 19:45:35,880 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-25 19:45:35,880 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-25 19:45:35,880 INFO L277 CegarLoopResult]: At program point L579(lines 579 596) the Hoare annotation is: true [2020-10-25 19:45:35,880 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,880 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,881 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,881 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,881 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,881 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-25 19:45:35,881 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-25 19:45:35,881 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-25 19:45:35,881 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-25 19:45:35,881 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-25 19:45:35,881 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-25 19:45:35,882 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-25 19:45:35,882 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-25 19:45:35,882 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 19:45:35,882 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-25 19:45:35,882 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,882 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,882 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,882 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,882 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-25 19:45:35,883 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,883 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-25 19:45:35,883 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-25 19:45:35,883 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-25 19:45:35,883 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-25 19:45:35,883 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-25 19:45:35,883 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-25 19:45:35,883 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-25 19:45:35,883 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-25 19:45:35,884 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-25 19:45:35,884 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-25 19:45:35,884 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-25 19:45:35,884 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-25 19:45:35,884 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-25 19:45:35,884 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,885 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse4 (<= ~a16~0 5)) (.cse8 (<= ~a8~0 13)) (.cse9 (= ~a7~0 1))) (let ((.cse3 (= ~a21~0 1)) (.cse0 (<= ~a17~0 0)) (.cse2 (<= ~a8~0 14)) (.cse5 (= ~a20~0 1)) (.cse7 (= ~a17~0 1)) (.cse6 (or (and .cse4 .cse8) .cse9)) (.cse1 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse0 .cse6) (and .cse2 .cse4 .cse1) (and .cse3 .cse7 .cse1) (and .cse3 .cse5 .cse8) (and .cse3 .cse5 (<= 5 ~a16~0) .cse7) (and .cse9 .cse3 .cse5) (and .cse3 .cse0 .cse5) (and .cse2 .cse5 .cse6 .cse7) (and .cse6 .cse1)))) [2020-10-25 19:45:35,885 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,885 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,885 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,885 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,885 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-25 19:45:35,885 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-25 19:45:35,885 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-25 19:45:35,885 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-25 19:45:35,886 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-25 19:45:35,886 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-25 19:45:35,886 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-25 19:45:35,886 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 19:45:35,886 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-25 19:45:35,886 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,886 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,886 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,886 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,887 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,887 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-25 19:45:35,887 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-25 19:45:35,887 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-25 19:45:35,887 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-25 19:45:35,887 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-25 19:45:35,887 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-25 19:45:35,887 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-25 19:45:35,887 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-25 19:45:35,887 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-25 19:45:35,888 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-25 19:45:35,888 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 19:45:35,888 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-25 19:45:35,888 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-25 19:45:35,888 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,888 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,888 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,888 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,888 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-25 19:45:35,889 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,889 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,889 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-25 19:45:35,889 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-25 19:45:35,889 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-25 19:45:35,889 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-25 19:45:35,889 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-25 19:45:35,889 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-25 19:45:35,889 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-25 19:45:35,890 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-25 19:45:35,890 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-25 19:45:35,890 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-25 19:45:35,890 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-25 19:45:35,890 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-25 19:45:35,890 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 19:45:35,890 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 19:45:35,890 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,890 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,891 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,891 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,891 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,891 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-25 19:45:35,891 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:35,891 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-25 19:45:35,891 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-25 19:45:35,891 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-25 19:45:35,892 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-25 19:45:35,892 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-25 19:45:35,892 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-25 19:45:35,892 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-25 19:45:35,892 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-25 19:45:35,892 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-25 19:45:35,892 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-25 19:45:35,892 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-25 19:45:35,892 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-25 19:45:35,892 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-25 19:45:35,893 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-25 19:45:35,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:45:35 BoogieIcfgContainer [2020-10-25 19:45:35,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:45:35,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:45:35,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:45:35,940 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:45:35,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:45:24" (3/4) ... [2020-10-25 19:45:35,947 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 19:45:35,981 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 19:45:35,983 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 19:45:35,984 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:45:35,986 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:45:36,155 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 19:45:36,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:45:36,157 INFO L168 Benchmark]: Toolchain (without parser) took 14730.48 ms. Allocated memory was 50.3 MB in the beginning and 237.0 MB in the end (delta: 186.6 MB). Free memory was 33.7 MB in the beginning and 154.3 MB in the end (delta: -120.6 MB). Peak memory consumption was 66.4 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:36,157 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory was 19.9 MB in the beginning and 19.9 MB in the end (delta: 33.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:45:36,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.87 ms. Allocated memory is still 50.3 MB. Free memory was 33.1 MB in the beginning and 28.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:36,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.17 ms. Allocated memory is still 50.3 MB. Free memory was 28.1 MB in the beginning and 22.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:36,158 INFO L168 Benchmark]: Boogie Preprocessor took 130.42 ms. Allocated memory is still 50.3 MB. Free memory was 22.5 MB in the beginning and 27.5 MB in the end (delta: -5.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:36,159 INFO L168 Benchmark]: RCFGBuilder took 1826.22 ms. Allocated memory was 50.3 MB in the beginning and 86.0 MB in the end (delta: 35.7 MB). Free memory was 27.5 MB in the beginning and 40.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:36,159 INFO L168 Benchmark]: TraceAbstraction took 11643.84 ms. Allocated memory was 86.0 MB in the beginning and 237.0 MB in the end (delta: 151.0 MB). Free memory was 39.9 MB in the beginning and 170.1 MB in the end (delta: -130.2 MB). Peak memory consumption was 97.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:36,159 INFO L168 Benchmark]: Witness Printer took 217.35 ms. Allocated memory is still 237.0 MB. Free memory was 170.1 MB in the beginning and 154.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:36,161 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 41.9 MB. Free memory was 19.9 MB in the beginning and 19.9 MB in the end (delta: 33.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 793.87 ms. Allocated memory is still 50.3 MB. Free memory was 33.1 MB in the beginning and 28.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.17 ms. Allocated memory is still 50.3 MB. Free memory was 28.1 MB in the beginning and 22.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 130.42 ms. Allocated memory is still 50.3 MB. Free memory was 22.5 MB in the beginning and 27.5 MB in the end (delta: -5.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1826.22 ms. Allocated memory was 50.3 MB in the beginning and 86.0 MB in the end (delta: 35.7 MB). Free memory was 27.5 MB in the beginning and 40.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11643.84 ms. Allocated memory was 86.0 MB in the beginning and 237.0 MB in the end (delta: 151.0 MB). Free memory was 39.9 MB in the beginning and 170.1 MB in the end (delta: -130.2 MB). Peak memory consumption was 97.1 MB. Max. memory is 16.1 GB. * Witness Printer took 217.35 ms. Allocated memory is still 237.0 MB. Free memory was 170.1 MB in the beginning and 154.3 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: ((((((((((a17 <= 0 && a20 <= 0) || (((a8 <= 14 && a21 == 1) && a16 <= 5) && a20 == 1)) || ((a8 <= 14 && a17 <= 0) && ((a16 <= 5 && a8 <= 13) || a7 == 1))) || ((a8 <= 14 && a16 <= 5) && a20 <= 0)) || ((a21 == 1 && a17 == 1) && a20 <= 0)) || ((a21 == 1 && a20 == 1) && a8 <= 13)) || (((a21 == 1 && a20 == 1) && 5 <= a16) && a17 == 1)) || ((a7 == 1 && a21 == 1) && a20 == 1)) || ((a21 == 1 && a17 <= 0) && a20 == 1)) || (((a8 <= 14 && a20 == 1) && ((a16 <= 5 && a8 <= 13) || a7 == 1)) && a17 == 1)) || (((a16 <= 5 && a8 <= 13) || a7 == 1) && a20 <= 0) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((a17 <= 0 && a20 <= 0) || (((a8 <= 14 && a21 == 1) && a16 <= 5) && a20 == 1)) || ((a8 <= 14 && a17 <= 0) && ((a16 <= 5 && a8 <= 13) || a7 == 1))) || ((a8 <= 14 && a16 <= 5) && a20 <= 0)) || ((a21 == 1 && a17 == 1) && a20 <= 0)) || ((a21 == 1 && a20 == 1) && a8 <= 13)) || (((a21 == 1 && a20 == 1) && 5 <= a16) && a17 == 1)) || ((a7 == 1 && a21 == 1) && a20 == 1)) || ((a21 == 1 && a17 <= 0) && a20 == 1)) || (((a8 <= 14 && a20 == 1) && ((a16 <= 5 && a8 <= 13) || a7 == 1)) && a17 == 1)) || (((a16 <= 5 && a8 <= 13) || a7 == 1) && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.9s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1070 SDtfs, 852 SDslu, 53 SDs, 0 SdLazy, 3215 SolverSat, 546 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 527 GetRequests, 509 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1576occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1310 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 39 NumberOfFragments, 277 HoareAnnotationTreeSize, 3 FomulaSimplifications, 990 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 270 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1613 NumberOfCodeBlocks, 1613 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1599 ConstructedInterpolants, 0 QuantifiedInterpolants, 461459 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1084 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 340/407 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...