./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label10.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/Problem02_label10.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 4c2ae473a77e0410a5807efd7b05428b312511eb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:45:33,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:45:33,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:45:33,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:45:33,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:45:33,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:45:33,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:45:33,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:45:33,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:45:33,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:45:33,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:45:33,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:45:33,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:45:33,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:45:33,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:45:33,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:45:33,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:45:33,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:45:33,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:45:33,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:45:33,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:45:33,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:45:33,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:45:33,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:45:33,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:45:33,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:45:33,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:45:33,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:45:33,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:45:33,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:45:33,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:45:33,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:45:33,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:45:33,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:45:33,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:45:33,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:45:33,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:45:33,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:45:33,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:45:33,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:45:33,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:45:33,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 19:45:33,910 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:45:33,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:45:33,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:45:33,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:45:33,914 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:45:33,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:45:33,914 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:45:33,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 19:45:33,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:45:33,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:45:33,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:45:33,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:45:33,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:45:33,917 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:45:33,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:45:33,917 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:45:33,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:45:33,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:45:33,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:45:33,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:45:33,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:45:33,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:45:33,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:45:33,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:45:33,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:45:33,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 19:45:33,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 19:45:33,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:45:33,922 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:45:33,922 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c2ae473a77e0410a5807efd7b05428b312511eb [2020-10-25 19:45:34,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:45:34,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:45:34,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:45:34,488 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:45:34,490 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:45:34,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label10.c [2020-10-25 19:45:34,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e7d04f48/3a3c26cdc97045c1a91ab45c3efbcb90/FLAG28c126c71 [2020-10-25 19:45:35,374 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:45:35,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label10.c [2020-10-25 19:45:35,396 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e7d04f48/3a3c26cdc97045c1a91ab45c3efbcb90/FLAG28c126c71 [2020-10-25 19:45:35,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e7d04f48/3a3c26cdc97045c1a91ab45c3efbcb90 [2020-10-25 19:45:35,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:45:35,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:45:35,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:45:35,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:45:35,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:45:35,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:45:35" (1/1) ... [2020-10-25 19:45:35,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641b2dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:35, skipping insertion in model container [2020-10-25 19:45:35,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:45:35" (1/1) ... [2020-10-25 19:45:35,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:45:35,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:45:36,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:45:36,191 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:45:36,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:45:36,353 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:45:36,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:36 WrapperNode [2020-10-25 19:45:36,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:45:36,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:45:36,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:45:36,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:45:36,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:36" (1/1) ... [2020-10-25 19:45:36,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:36" (1/1) ... [2020-10-25 19:45:36,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:45:36,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:45:36,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:45:36,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:45:36,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:36" (1/1) ... [2020-10-25 19:45:36,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:36" (1/1) ... [2020-10-25 19:45:36,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:36" (1/1) ... [2020-10-25 19:45:36,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:36" (1/1) ... [2020-10-25 19:45:36,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:36" (1/1) ... [2020-10-25 19:45:36,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:36" (1/1) ... [2020-10-25 19:45:36,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:36" (1/1) ... [2020-10-25 19:45:36,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:45:36,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:45:36,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:45:36,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:45:36,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:36" (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 19:45:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 19:45:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:45:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:45:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:45:38,258 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:45:38,259 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 19:45:38,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:45:38 BoogieIcfgContainer [2020-10-25 19:45:38,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:45:38,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:45:38,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:45:38,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:45:38,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:45:35" (1/3) ... [2020-10-25 19:45:38,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df06cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:45:38, skipping insertion in model container [2020-10-25 19:45:38,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:36" (2/3) ... [2020-10-25 19:45:38,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df06cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:45:38, skipping insertion in model container [2020-10-25 19:45:38,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:45:38" (3/3) ... [2020-10-25 19:45:38,272 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label10.c [2020-10-25 19:45:38,285 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:45:38,291 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:45:38,315 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:45:38,347 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:45:38,347 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:45:38,347 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:45:38,347 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:45:38,347 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:45:38,348 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:45:38,348 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:45:38,348 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:45:38,371 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-10-25 19:45:38,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-25 19:45:38,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:38,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:38,387 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:38,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:38,394 INFO L82 PathProgramCache]: Analyzing trace with hash 163347651, now seen corresponding path program 1 times [2020-10-25 19:45:38,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:38,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166995047] [2020-10-25 19:45:38,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:39,094 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 19:45:39,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166995047] [2020-10-25 19:45:39,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:39,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:45:39,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230504458] [2020-10-25 19:45:39,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:39,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:39,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:39,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:39,125 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-10-25 19:45:40,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:40,274 INFO L93 Difference]: Finished difference Result 597 states and 1031 transitions. [2020-10-25 19:45:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:40,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-10-25 19:45:40,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:40,293 INFO L225 Difference]: With dead ends: 597 [2020-10-25 19:45:40,293 INFO L226 Difference]: Without dead ends: 305 [2020-10-25 19:45:40,299 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 19:45:40,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-10-25 19:45:40,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2020-10-25 19:45:40,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-10-25 19:45:40,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2020-10-25 19:45:40,378 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 135 [2020-10-25 19:45:40,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:40,380 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2020-10-25 19:45:40,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2020-10-25 19:45:40,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-25 19:45:40,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:40,385 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:40,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 19:45:40,385 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:40,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:40,386 INFO L82 PathProgramCache]: Analyzing trace with hash 378322757, now seen corresponding path program 1 times [2020-10-25 19:45:40,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:40,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261259666] [2020-10-25 19:45:40,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:40,541 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:40,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261259666] [2020-10-25 19:45:40,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:40,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:45:40,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117059506] [2020-10-25 19:45:40,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:40,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:40,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:40,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:40,551 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand 3 states. [2020-10-25 19:45:40,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:40,935 INFO L93 Difference]: Finished difference Result 599 states and 913 transitions. [2020-10-25 19:45:40,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:40,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-10-25 19:45:40,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:40,938 INFO L225 Difference]: With dead ends: 599 [2020-10-25 19:45:40,939 INFO L226 Difference]: Without dead ends: 296 [2020-10-25 19:45:40,941 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 19:45:40,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-10-25 19:45:40,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-10-25 19:45:40,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-25 19:45:40,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 421 transitions. [2020-10-25 19:45:40,974 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 421 transitions. Word has length 146 [2020-10-25 19:45:40,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:40,977 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 421 transitions. [2020-10-25 19:45:40,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:40,978 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2020-10-25 19:45:40,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-25 19:45:40,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:40,987 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:40,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 19:45:40,989 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:40,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:40,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1427689696, now seen corresponding path program 1 times [2020-10-25 19:45:40,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:40,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64403764] [2020-10-25 19:45:40,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:41,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64403764] [2020-10-25 19:45:41,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:41,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:45:41,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951919321] [2020-10-25 19:45:41,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:41,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:41,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:41,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:41,095 INFO L87 Difference]: Start difference. First operand 296 states and 421 transitions. Second operand 3 states. [2020-10-25 19:45:41,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:41,842 INFO L93 Difference]: Finished difference Result 872 states and 1244 transitions. [2020-10-25 19:45:41,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:41,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-10-25 19:45:41,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:41,848 INFO L225 Difference]: With dead ends: 872 [2020-10-25 19:45:41,848 INFO L226 Difference]: Without dead ends: 578 [2020-10-25 19:45:41,849 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 19:45:41,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2020-10-25 19:45:41,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2020-10-25 19:45:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2020-10-25 19:45:41,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 724 transitions. [2020-10-25 19:45:41,891 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 724 transitions. Word has length 153 [2020-10-25 19:45:41,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:41,891 INFO L481 AbstractCegarLoop]: Abstraction has 578 states and 724 transitions. [2020-10-25 19:45:41,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:41,891 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 724 transitions. [2020-10-25 19:45:41,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-25 19:45:41,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:41,901 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:41,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 19:45:41,902 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:41,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:41,903 INFO L82 PathProgramCache]: Analyzing trace with hash -174916246, now seen corresponding path program 1 times [2020-10-25 19:45:41,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:41,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279511335] [2020-10-25 19:45:41,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:42,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279511335] [2020-10-25 19:45:42,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:42,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:45:42,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427231451] [2020-10-25 19:45:42,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:42,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:42,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:42,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:42,020 INFO L87 Difference]: Start difference. First operand 578 states and 724 transitions. Second operand 3 states. [2020-10-25 19:45:42,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:42,804 INFO L93 Difference]: Finished difference Result 1577 states and 2000 transitions. [2020-10-25 19:45:42,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:42,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-10-25 19:45:42,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:42,811 INFO L225 Difference]: With dead ends: 1577 [2020-10-25 19:45:42,812 INFO L226 Difference]: Without dead ends: 1001 [2020-10-25 19:45:42,814 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 19:45:42,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-10-25 19:45:42,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 721. [2020-10-25 19:45:42,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2020-10-25 19:45:42,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 896 transitions. [2020-10-25 19:45:42,844 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 896 transitions. Word has length 157 [2020-10-25 19:45:42,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:42,845 INFO L481 AbstractCegarLoop]: Abstraction has 721 states and 896 transitions. [2020-10-25 19:45:42,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:42,845 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 896 transitions. [2020-10-25 19:45:42,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-25 19:45:42,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:42,851 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:42,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 19:45:42,852 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:42,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:42,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1142432243, now seen corresponding path program 1 times [2020-10-25 19:45:42,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:42,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419381606] [2020-10-25 19:45:42,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:42,996 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:42,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419381606] [2020-10-25 19:45:42,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:42,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:45:42,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505674362] [2020-10-25 19:45:42,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:42,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:43,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:43,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:43,001 INFO L87 Difference]: Start difference. First operand 721 states and 896 transitions. Second operand 3 states. [2020-10-25 19:45:43,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:43,740 INFO L93 Difference]: Finished difference Result 1580 states and 1965 transitions. [2020-10-25 19:45:43,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:43,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-10-25 19:45:43,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:43,748 INFO L225 Difference]: With dead ends: 1580 [2020-10-25 19:45:43,749 INFO L226 Difference]: Without dead ends: 861 [2020-10-25 19:45:43,750 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 19:45:43,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-10-25 19:45:43,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-10-25 19:45:43,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-10-25 19:45:43,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1041 transitions. [2020-10-25 19:45:43,773 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1041 transitions. Word has length 158 [2020-10-25 19:45:43,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:43,773 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1041 transitions. [2020-10-25 19:45:43,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:43,774 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1041 transitions. [2020-10-25 19:45:43,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-25 19:45:43,777 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:43,778 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:43,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 19:45:43,778 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:43,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:43,779 INFO L82 PathProgramCache]: Analyzing trace with hash -534111939, now seen corresponding path program 1 times [2020-10-25 19:45:43,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:43,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205699996] [2020-10-25 19:45:43,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:44,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205699996] [2020-10-25 19:45:44,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419650659] [2020-10-25 19:45:44,080 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 19:45:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:44,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:45:44,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:45:44,470 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-25 19:45:44,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:45:44,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 19:45:44,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864497659] [2020-10-25 19:45:44,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:44,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:44,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:44,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:45:44,479 INFO L87 Difference]: Start difference. First operand 861 states and 1041 transitions. Second operand 3 states. [2020-10-25 19:45:45,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:45,441 INFO L93 Difference]: Finished difference Result 2141 states and 2627 transitions. [2020-10-25 19:45:45,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:45,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2020-10-25 19:45:45,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:45,449 INFO L225 Difference]: With dead ends: 2141 [2020-10-25 19:45:45,449 INFO L226 Difference]: Without dead ends: 1139 [2020-10-25 19:45:45,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:45:45,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2020-10-25 19:45:45,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 999. [2020-10-25 19:45:45,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2020-10-25 19:45:45,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1116 transitions. [2020-10-25 19:45:45,479 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1116 transitions. Word has length 162 [2020-10-25 19:45:45,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:45,480 INFO L481 AbstractCegarLoop]: Abstraction has 999 states and 1116 transitions. [2020-10-25 19:45:45,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:45,480 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1116 transitions. [2020-10-25 19:45:45,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-25 19:45:45,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:45,484 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:45,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-25 19:45:45,699 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:45,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:45,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1607368377, now seen corresponding path program 1 times [2020-10-25 19:45:45,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:45,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467031584] [2020-10-25 19:45:45,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:45,893 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-25 19:45:45,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467031584] [2020-10-25 19:45:45,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294948000] [2020-10-25 19:45:45,894 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 19:45:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:46,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:45:46,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:45:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-25 19:45:46,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:45:46,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 19:45:46,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845363134] [2020-10-25 19:45:46,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:46,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:46,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:46,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:45:46,139 INFO L87 Difference]: Start difference. First operand 999 states and 1116 transitions. Second operand 3 states. [2020-10-25 19:45:46,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:46,804 INFO L93 Difference]: Finished difference Result 2276 states and 2562 transitions. [2020-10-25 19:45:46,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:46,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2020-10-25 19:45:46,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:46,812 INFO L225 Difference]: With dead ends: 2276 [2020-10-25 19:45:46,812 INFO L226 Difference]: Without dead ends: 1279 [2020-10-25 19:45:46,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:45:46,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-10-25 19:45:46,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1277. [2020-10-25 19:45:46,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2020-10-25 19:45:46,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1423 transitions. [2020-10-25 19:45:46,844 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1423 transitions. Word has length 211 [2020-10-25 19:45:46,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:46,845 INFO L481 AbstractCegarLoop]: Abstraction has 1277 states and 1423 transitions. [2020-10-25 19:45:46,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:46,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1423 transitions. [2020-10-25 19:45:46,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-25 19:45:46,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:46,850 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:47,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:45:47,065 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:47,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:47,066 INFO L82 PathProgramCache]: Analyzing trace with hash -482999225, now seen corresponding path program 1 times [2020-10-25 19:45:47,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:47,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468398103] [2020-10-25 19:45:47,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:47,220 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-25 19:45:47,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468398103] [2020-10-25 19:45:47,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:47,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:45:47,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000101493] [2020-10-25 19:45:47,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:47,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:47,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:47,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:47,223 INFO L87 Difference]: Start difference. First operand 1277 states and 1423 transitions. Second operand 3 states. [2020-10-25 19:45:47,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:47,867 INFO L93 Difference]: Finished difference Result 3110 states and 3438 transitions. [2020-10-25 19:45:47,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:47,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2020-10-25 19:45:47,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:47,880 INFO L225 Difference]: With dead ends: 3110 [2020-10-25 19:45:47,880 INFO L226 Difference]: Without dead ends: 1835 [2020-10-25 19:45:47,891 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 19:45:47,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2020-10-25 19:45:47,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1275. [2020-10-25 19:45:47,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2020-10-25 19:45:47,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1419 transitions. [2020-10-25 19:45:47,929 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1419 transitions. Word has length 233 [2020-10-25 19:45:47,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:47,929 INFO L481 AbstractCegarLoop]: Abstraction has 1275 states and 1419 transitions. [2020-10-25 19:45:47,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:47,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1419 transitions. [2020-10-25 19:45:47,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-25 19:45:47,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:47,935 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:47,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 19:45:47,935 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:47,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:47,936 INFO L82 PathProgramCache]: Analyzing trace with hash 968708020, now seen corresponding path program 1 times [2020-10-25 19:45:47,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:47,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40416657] [2020-10-25 19:45:47,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:48,355 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:48,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40416657] [2020-10-25 19:45:48,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567610435] [2020-10-25 19:45:48,356 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 19:45:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:48,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:45:48,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:45:48,557 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-25 19:45:48,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:45:48,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 19:45:48,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716892500] [2020-10-25 19:45:48,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:48,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:48,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:48,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:45:48,560 INFO L87 Difference]: Start difference. First operand 1275 states and 1419 transitions. Second operand 3 states. [2020-10-25 19:45:49,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:49,172 INFO L93 Difference]: Finished difference Result 2547 states and 2836 transitions. [2020-10-25 19:45:49,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:49,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2020-10-25 19:45:49,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:49,179 INFO L225 Difference]: With dead ends: 2547 [2020-10-25 19:45:49,179 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 19:45:49,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:45:49,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 19:45:49,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 19:45:49,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 19:45:49,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 19:45:49,184 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 233 [2020-10-25 19:45:49,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:49,185 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 19:45:49,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:49,185 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 19:45:49,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 19:45:49,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:45:49,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 19:45:49,594 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2020-10-25 19:45:49,719 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2020-10-25 19:45:49,728 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-25 19:45:49,728 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-25 19:45:49,728 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-25 19:45:49,728 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-25 19:45:49,728 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-25 19:45:49,728 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-25 19:45:49,729 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-25 19:45:49,729 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,729 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,729 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,731 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-25 19:45:49,731 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-25 19:45:49,731 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-25 19:45:49,731 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-25 19:45:49,731 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-25 19:45:49,731 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-25 19:45:49,731 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-25 19:45:49,731 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,731 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,732 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,732 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-25 19:45:49,732 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-25 19:45:49,732 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-25 19:45:49,732 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-25 19:45:49,732 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-25 19:45:49,732 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-25 19:45:49,732 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-25 19:45:49,733 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,733 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,733 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,733 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-25 19:45:49,733 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-25 19:45:49,733 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-25 19:45:49,733 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-25 19:45:49,733 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-25 19:45:49,733 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,734 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,734 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,734 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-25 19:45:49,734 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-25 19:45:49,734 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-25 19:45:49,734 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-25 19:45:49,734 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-25 19:45:49,734 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-25 19:45:49,734 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-25 19:45:49,734 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-25 19:45:49,735 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,735 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,735 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,735 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-25 19:45:49,735 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-25 19:45:49,735 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-25 19:45:49,735 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-25 19:45:49,735 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-25 19:45:49,735 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-25 19:45:49,736 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-25 19:45:49,736 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-25 19:45:49,736 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,736 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,738 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,738 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-25 19:45:49,738 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-25 19:45:49,738 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-25 19:45:49,738 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-25 19:45:49,738 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-25 19:45:49,738 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-25 19:45:49,738 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-25 19:45:49,738 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-25 19:45:49,739 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-25 19:45:49,739 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,739 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,739 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,739 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-25 19:45:49,739 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-25 19:45:49,739 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-25 19:45:49,739 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-25 19:45:49,740 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-25 19:45:49,740 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-25 19:45:49,740 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 19:45:49,740 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,740 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,740 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,740 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-25 19:45:49,740 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-25 19:45:49,741 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-25 19:45:49,741 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-25 19:45:49,741 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-25 19:45:49,741 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-25 19:45:49,741 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-25 19:45:49,741 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-25 19:45:49,741 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,741 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,741 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,742 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-25 19:45:49,742 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-25 19:45:49,742 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-25 19:45:49,742 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-25 19:45:49,742 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-25 19:45:49,742 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,742 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,742 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,742 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-25 19:45:49,743 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 19:45:49,743 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 19:45:49,743 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-25 19:45:49,743 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-25 19:45:49,743 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-25 19:45:49,744 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-25 19:45:49,744 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-25 19:45:49,745 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-25 19:45:49,745 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-25 19:45:49,745 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-25 19:45:49,745 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-25 19:45:49,745 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-25 19:45:49,745 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,745 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,745 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-25 19:45:49,745 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-25 19:45:49,746 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-25 19:45:49,746 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-25 19:45:49,746 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-25 19:45:49,746 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-25 19:45:49,746 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-25 19:45:49,746 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-25 19:45:49,747 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-25 19:45:49,747 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 19:45:49,747 INFO L270 CegarLoopResult]: At program point L599(lines 31 600) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse4 (<= 8 ~a17~0)) (.cse3 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse1 .cse2) (and .cse4 .cse3 .cse2 .cse5) (and (<= 9 ~a28~0) .cse2 .cse5))) [2020-10-25 19:45:49,747 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,748 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,749 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-25 19:45:49,749 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-25 19:45:49,749 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-25 19:45:49,749 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-25 19:45:49,749 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-25 19:45:49,749 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-25 19:45:49,749 INFO L277 CegarLoopResult]: At program point L602(lines 602 619) the Hoare annotation is: true [2020-10-25 19:45:49,749 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,749 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,750 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-25 19:45:49,750 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-25 19:45:49,750 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-25 19:45:49,750 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-25 19:45:49,750 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-25 19:45:49,750 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-25 19:45:49,750 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-25 19:45:49,750 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-25 19:45:49,750 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-25 19:45:49,750 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,751 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,751 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-25 19:45:49,751 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-25 19:45:49,751 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-25 19:45:49,751 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-25 19:45:49,751 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-25 19:45:49,751 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-25 19:45:49,751 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse4 (<= 8 ~a17~0)) (.cse3 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse1 .cse2) (and .cse4 .cse3 .cse2 .cse5) (and (<= 9 ~a28~0) .cse2 .cse5))) [2020-10-25 19:45:49,752 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,752 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,752 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-25 19:45:49,752 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-25 19:45:49,752 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-25 19:45:49,752 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-25 19:45:49,752 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-25 19:45:49,752 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,752 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,753 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-25 19:45:49,753 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-25 19:45:49,753 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-25 19:45:49,753 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-25 19:45:49,753 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-25 19:45:49,753 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-25 19:45:49,753 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-25 19:45:49,753 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-25 19:45:49,753 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-25 19:45:49,753 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,754 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,754 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-25 19:45:49,754 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,754 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 19:45:49,754 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-25 19:45:49,754 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-25 19:45:49,754 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-25 19:45:49,754 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-25 19:45:49,754 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-25 19:45:49,754 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-25 19:45:49,755 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,755 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,755 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,755 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-25 19:45:49,755 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-25 19:45:49,755 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-25 19:45:49,755 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-25 19:45:49,755 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-25 19:45:49,755 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,755 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,756 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,756 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-25 19:45:49,756 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-25 19:45:49,756 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-25 19:45:49,756 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-25 19:45:49,756 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-25 19:45:49,756 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-25 19:45:49,756 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 19:45:49,756 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,757 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,757 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,757 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-25 19:45:49,757 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-25 19:45:49,757 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-25 19:45:49,757 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-25 19:45:49,757 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-25 19:45:49,757 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-25 19:45:49,757 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-25 19:45:49,757 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-25 19:45:49,758 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,758 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,758 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,758 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-25 19:45:49,758 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-25 19:45:49,758 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-25 19:45:49,758 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-25 19:45:49,758 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-25 19:45:49,758 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,758 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,759 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:45:49,759 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-25 19:45:49,759 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-25 19:45:49,759 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-25 19:45:49,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:45:49 BoogieIcfgContainer [2020-10-25 19:45:49,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:45:49,812 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:45:49,812 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:45:49,813 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:45:49,813 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:45:38" (3/4) ... [2020-10-25 19:45:49,818 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 19:45:49,853 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 19:45:49,854 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 19:45:49,855 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:45:49,857 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:45:50,073 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 19:45:50,073 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:45:50,074 INFO L168 Benchmark]: Toolchain (without parser) took 14449.78 ms. Allocated memory was 56.6 MB in the beginning and 228.6 MB in the end (delta: 172.0 MB). Free memory was 42.3 MB in the beginning and 194.0 MB in the end (delta: -151.7 MB). Peak memory consumption was 144.7 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:50,074 INFO L168 Benchmark]: CDTParser took 4.57 ms. Allocated memory is still 39.8 MB. Free memory was 26.7 MB in the beginning and 26.7 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:45:50,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.86 ms. Allocated memory is still 56.6 MB. Free memory was 41.5 MB in the beginning and 30.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:50,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.68 ms. Allocated memory is still 56.6 MB. Free memory was 30.9 MB in the beginning and 35.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:50,076 INFO L168 Benchmark]: Boogie Preprocessor took 67.59 ms. Allocated memory is still 56.6 MB. Free memory was 35.9 MB in the beginning and 31.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:50,076 INFO L168 Benchmark]: RCFGBuilder took 1678.17 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 31.7 MB in the beginning and 40.8 MB in the end (delta: -9.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:50,077 INFO L168 Benchmark]: TraceAbstraction took 11548.31 ms. Allocated memory was 71.3 MB in the beginning and 228.6 MB in the end (delta: 157.3 MB). Free memory was 40.4 MB in the beginning and 78.2 MB in the end (delta: -37.8 MB). Peak memory consumption was 118.3 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:50,077 INFO L168 Benchmark]: Witness Printer took 260.60 ms. Allocated memory is still 228.6 MB. Free memory was 78.2 MB in the beginning and 194.0 MB in the end (delta: -115.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:50,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.57 ms. Allocated memory is still 39.8 MB. Free memory was 26.7 MB in the beginning and 26.7 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 722.86 ms. Allocated memory is still 56.6 MB. Free memory was 41.5 MB in the beginning and 30.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 158.68 ms. Allocated memory is still 56.6 MB. Free memory was 30.9 MB in the beginning and 35.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.59 ms. Allocated memory is still 56.6 MB. Free memory was 35.9 MB in the beginning and 31.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1678.17 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 31.7 MB in the beginning and 40.8 MB in the end (delta: -9.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11548.31 ms. Allocated memory was 71.3 MB in the beginning and 228.6 MB in the end (delta: 157.3 MB). Free memory was 40.4 MB in the beginning and 78.2 MB in the end (delta: -37.8 MB). Peak memory consumption was 118.3 MB. Max. memory is 16.1 GB. * Witness Printer took 260.60 ms. Allocated memory is still 228.6 MB. Free memory was 78.2 MB in the beginning and 194.0 MB in the end (delta: -115.8 MB). Peak memory consumption was 10.5 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: 608]: Loop Invariant Derived loop invariant: (((((a19 == 1 && a28 <= 7) && a17 <= 8) || ((a19 == 1 && !(a11 == 1)) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || (((8 <= a17 && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((((a19 == 1 && a28 <= 7) && a17 <= 8) || ((a19 == 1 && !(a11 == 1)) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || (((8 <= a17 && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.0s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 718 SDtfs, 1054 SDslu, 72 SDs, 0 SdLazy, 2944 SolverSat, 537 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 629 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1277occurred 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: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 982 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 25 NumberOfFragments, 113 HoareAnnotationTreeSize, 3 FomulaSimplifications, 466 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 102 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2194 NumberOfCodeBlocks, 2194 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2182 ConstructedInterpolants, 0 QuantifiedInterpolants, 1443874 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1075 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 789/871 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...