./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label32.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5f00e16618f8951a06ba976d3672fe1cb3a07842 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:45:58,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:45:58,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:45:58,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:45:58,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:45:58,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:45:58,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:45:58,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:45:58,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:45:58,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:45:58,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:45:58,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:45:58,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:45:58,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:45:58,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:45:58,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:45:58,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:45:58,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:45:58,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:45:58,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:45:58,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:45:58,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:45:58,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:45:58,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:45:58,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:45:58,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:45:58,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:45:58,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:45:58,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:45:58,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:45:58,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:45:58,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:45:58,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:45:58,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:45:58,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:45:58,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:45:58,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:45:58,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:45:58,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:45:58,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:45:58,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:45:58,654 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 19:45:58,682 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:45:58,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:45:58,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:45:58,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:45:58,684 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:45:58,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:45:58,685 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:45:58,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 19:45:58,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:45:58,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:45:58,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:45:58,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:45:58,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:45:58,687 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:45:58,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:45:58,688 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:45:58,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:45:58,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:45:58,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:45:58,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:45:58,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:45:58,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:45:58,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:45:58,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:45:58,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:45:58,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 19:45:58,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 19:45:58,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:45:58,691 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:45:58,691 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f00e16618f8951a06ba976d3672fe1cb3a07842 [2020-10-25 19:45:59,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:45:59,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:45:59,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:45:59,194 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:45:59,199 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:45:59,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label32.c [2020-10-25 19:45:59,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4a7a5916/5d07bc9fecd040a18819a162585b8637/FLAGb325a86de [2020-10-25 19:46:00,146 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:46:00,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label32.c [2020-10-25 19:46:00,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4a7a5916/5d07bc9fecd040a18819a162585b8637/FLAGb325a86de [2020-10-25 19:46:00,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4a7a5916/5d07bc9fecd040a18819a162585b8637 [2020-10-25 19:46:00,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:46:00,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:46:00,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:46:00,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:46:00,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:46:00,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:46:00" (1/1) ... [2020-10-25 19:46:00,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2f92cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:00, skipping insertion in model container [2020-10-25 19:46:00,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:46:00" (1/1) ... [2020-10-25 19:46:00,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:46:00,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:46:00,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:46:01,008 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:46:01,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:46:01,175 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:46:01,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:01 WrapperNode [2020-10-25 19:46:01,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:46:01,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:46:01,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:46:01,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:46:01,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:01" (1/1) ... [2020-10-25 19:46:01,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:01" (1/1) ... [2020-10-25 19:46:01,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:46:01,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:46:01,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:46:01,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:46:01,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:01" (1/1) ... [2020-10-25 19:46:01,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:01" (1/1) ... [2020-10-25 19:46:01,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:01" (1/1) ... [2020-10-25 19:46:01,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:01" (1/1) ... [2020-10-25 19:46:01,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:01" (1/1) ... [2020-10-25 19:46:01,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:01" (1/1) ... [2020-10-25 19:46:01,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:01" (1/1) ... [2020-10-25 19:46:01,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:46:01,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:46:01,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:46:01,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:46:01,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:01" (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 19:46:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 19:46:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:46:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:46:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:46:03,105 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:46:03,106 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 19:46:03,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:46:03 BoogieIcfgContainer [2020-10-25 19:46:03,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:46:03,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:46:03,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:46:03,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:46:03,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:46:00" (1/3) ... [2020-10-25 19:46:03,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdd2d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:46:03, skipping insertion in model container [2020-10-25 19:46:03,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:46:01" (2/3) ... [2020-10-25 19:46:03,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdd2d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:46:03, skipping insertion in model container [2020-10-25 19:46:03,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:46:03" (3/3) ... [2020-10-25 19:46:03,121 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label32.c [2020-10-25 19:46:03,135 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:46:03,141 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:46:03,157 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:46:03,189 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:46:03,189 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:46:03,190 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:46:03,190 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:46:03,190 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:46:03,190 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:46:03,191 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:46:03,191 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:46:03,212 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-10-25 19:46:03,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-25 19:46:03,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:03,226 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] [2020-10-25 19:46:03,227 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:03,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:03,233 INFO L82 PathProgramCache]: Analyzing trace with hash -725830373, now seen corresponding path program 1 times [2020-10-25 19:46:03,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:03,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285117888] [2020-10-25 19:46:03,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:03,751 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 19:46:03,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285117888] [2020-10-25 19:46:03,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:03,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:46:03,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805763868] [2020-10-25 19:46:03,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:03,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:03,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:03,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:03,779 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-10-25 19:46:05,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:05,502 INFO L93 Difference]: Finished difference Result 602 states and 1036 transitions. [2020-10-25 19:46:05,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:05,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-10-25 19:46:05,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:05,520 INFO L225 Difference]: With dead ends: 602 [2020-10-25 19:46:05,521 INFO L226 Difference]: Without dead ends: 310 [2020-10-25 19:46:05,525 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 19:46:05,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-10-25 19:46:05,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2020-10-25 19:46:05,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-10-25 19:46:05,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2020-10-25 19:46:05,593 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 109 [2020-10-25 19:46:05,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:05,594 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2020-10-25 19:46:05,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:05,595 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2020-10-25 19:46:05,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-25 19:46:05,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:05,599 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] [2020-10-25 19:46:05,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 19:46:05,600 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:05,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:05,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1203204984, now seen corresponding path program 1 times [2020-10-25 19:46:05,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:05,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439938715] [2020-10-25 19:46:05,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:05,744 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 19:46:05,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439938715] [2020-10-25 19:46:05,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:05,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:46:05,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819345945] [2020-10-25 19:46:05,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:05,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:05,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:05,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:05,749 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 3 states. [2020-10-25 19:46:07,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:07,020 INFO L93 Difference]: Finished difference Result 902 states and 1298 transitions. [2020-10-25 19:46:07,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:07,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-10-25 19:46:07,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:07,027 INFO L225 Difference]: With dead ends: 902 [2020-10-25 19:46:07,027 INFO L226 Difference]: Without dead ends: 594 [2020-10-25 19:46:07,029 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 19:46:07,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-25 19:46:07,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 592. [2020-10-25 19:46:07,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-25 19:46:07,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 751 transitions. [2020-10-25 19:46:07,074 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 751 transitions. Word has length 127 [2020-10-25 19:46:07,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:07,074 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 751 transitions. [2020-10-25 19:46:07,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:07,075 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 751 transitions. [2020-10-25 19:46:07,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-25 19:46:07,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:07,080 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-25 19:46:07,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 19:46:07,081 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:07,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:07,082 INFO L82 PathProgramCache]: Analyzing trace with hash 302703896, now seen corresponding path program 1 times [2020-10-25 19:46:07,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:07,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298326035] [2020-10-25 19:46:07,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:07,217 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:46:07,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298326035] [2020-10-25 19:46:07,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:07,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:46:07,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559300216] [2020-10-25 19:46:07,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:07,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:07,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:07,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:07,229 INFO L87 Difference]: Start difference. First operand 592 states and 751 transitions. Second operand 3 states. [2020-10-25 19:46:07,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:07,870 INFO L93 Difference]: Finished difference Result 1172 states and 1487 transitions. [2020-10-25 19:46:07,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:07,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-10-25 19:46:07,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:07,875 INFO L225 Difference]: With dead ends: 1172 [2020-10-25 19:46:07,875 INFO L226 Difference]: Without dead ends: 582 [2020-10-25 19:46:07,877 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 19:46:07,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-10-25 19:46:07,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2020-10-25 19:46:07,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-10-25 19:46:07,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 698 transitions. [2020-10-25 19:46:07,903 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 698 transitions. Word has length 128 [2020-10-25 19:46:07,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:07,903 INFO L481 AbstractCegarLoop]: Abstraction has 582 states and 698 transitions. [2020-10-25 19:46:07,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:07,904 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 698 transitions. [2020-10-25 19:46:07,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-25 19:46:07,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:07,909 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] [2020-10-25 19:46:07,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 19:46:07,909 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:07,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:07,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1929087413, now seen corresponding path program 1 times [2020-10-25 19:46:07,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:07,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771517168] [2020-10-25 19:46:07,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:08,080 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 19:46:08,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771517168] [2020-10-25 19:46:08,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:08,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:46:08,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816846486] [2020-10-25 19:46:08,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:08,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:08,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:08,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:08,085 INFO L87 Difference]: Start difference. First operand 582 states and 698 transitions. Second operand 3 states. [2020-10-25 19:46:09,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:09,155 INFO L93 Difference]: Finished difference Result 1302 states and 1569 transitions. [2020-10-25 19:46:09,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:09,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-10-25 19:46:09,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:09,167 INFO L225 Difference]: With dead ends: 1302 [2020-10-25 19:46:09,168 INFO L226 Difference]: Without dead ends: 722 [2020-10-25 19:46:09,169 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 19:46:09,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-10-25 19:46:09,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2020-10-25 19:46:09,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-10-25 19:46:09,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 853 transitions. [2020-10-25 19:46:09,197 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 853 transitions. Word has length 132 [2020-10-25 19:46:09,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:09,199 INFO L481 AbstractCegarLoop]: Abstraction has 722 states and 853 transitions. [2020-10-25 19:46:09,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:09,199 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 853 transitions. [2020-10-25 19:46:09,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-25 19:46:09,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:09,209 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] [2020-10-25 19:46:09,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 19:46:09,209 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:09,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:09,210 INFO L82 PathProgramCache]: Analyzing trace with hash 529528341, now seen corresponding path program 1 times [2020-10-25 19:46:09,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:09,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451806992] [2020-10-25 19:46:09,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:09,592 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 19:46:09,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451806992] [2020-10-25 19:46:09,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402676974] [2020-10-25 19:46:09,593 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 19:46:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:09,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:46:09,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:46:10,012 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 19:46:10,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:46:10,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 19:46:10,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519478022] [2020-10-25 19:46:10,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:10,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:10,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:10,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:46:10,019 INFO L87 Difference]: Start difference. First operand 722 states and 853 transitions. Second operand 3 states. [2020-10-25 19:46:11,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:11,337 INFO L93 Difference]: Finished difference Result 1723 states and 2061 transitions. [2020-10-25 19:46:11,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:11,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-10-25 19:46:11,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:11,345 INFO L225 Difference]: With dead ends: 1723 [2020-10-25 19:46:11,345 INFO L226 Difference]: Without dead ends: 861 [2020-10-25 19:46:11,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 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 19:46:11,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-10-25 19:46:11,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-10-25 19:46:11,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-10-25 19:46:11,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 945 transitions. [2020-10-25 19:46:11,396 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 945 transitions. Word has length 136 [2020-10-25 19:46:11,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:11,398 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 945 transitions. [2020-10-25 19:46:11,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:11,399 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 945 transitions. [2020-10-25 19:46:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-25 19:46:11,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:11,403 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:46:11,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:46:11,617 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:11,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:11,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1019452832, now seen corresponding path program 1 times [2020-10-25 19:46:11,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:11,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927262867] [2020-10-25 19:46:11,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 55 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-25 19:46:11,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927262867] [2020-10-25 19:46:11,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447140439] [2020-10-25 19:46:11,857 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 19:46:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:12,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:46:12,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:46:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-25 19:46:12,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:46:12,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-10-25 19:46:12,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864062761] [2020-10-25 19:46:12,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:12,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:12,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:12,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:46:12,155 INFO L87 Difference]: Start difference. First operand 861 states and 945 transitions. Second operand 3 states. [2020-10-25 19:46:13,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:13,131 INFO L93 Difference]: Finished difference Result 2139 states and 2357 transitions. [2020-10-25 19:46:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:13,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-10-25 19:46:13,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:13,142 INFO L225 Difference]: With dead ends: 2139 [2020-10-25 19:46:13,142 INFO L226 Difference]: Without dead ends: 1279 [2020-10-25 19:46:13,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:46:13,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-10-25 19:46:13,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 999. [2020-10-25 19:46:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2020-10-25 19:46:13,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1116 transitions. [2020-10-25 19:46:13,184 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1116 transitions. Word has length 159 [2020-10-25 19:46:13,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:13,191 INFO L481 AbstractCegarLoop]: Abstraction has 999 states and 1116 transitions. [2020-10-25 19:46:13,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1116 transitions. [2020-10-25 19:46:13,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-25 19:46:13,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:13,197 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] [2020-10-25 19:46:13,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:46:13,414 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:13,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:13,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1337605777, now seen corresponding path program 1 times [2020-10-25 19:46:13,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:13,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118002807] [2020-10-25 19:46:13,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:13,621 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 19:46:13,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118002807] [2020-10-25 19:46:13,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593446247] [2020-10-25 19:46:13,623 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 19:46:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:13,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:46:13,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:46:13,867 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 19:46:13,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:46:13,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 19:46:13,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688959401] [2020-10-25 19:46:13,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:13,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:13,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:13,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:46:13,871 INFO L87 Difference]: Start difference. First operand 999 states and 1116 transitions. Second operand 3 states. [2020-10-25 19:46:14,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:14,885 INFO L93 Difference]: Finished difference Result 2276 states and 2562 transitions. [2020-10-25 19:46:14,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:14,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-10-25 19:46:14,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:14,893 INFO L225 Difference]: With dead ends: 2276 [2020-10-25 19:46:14,893 INFO L226 Difference]: Without dead ends: 1279 [2020-10-25 19:46:14,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 184 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 19:46:14,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-10-25 19:46:14,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1277. [2020-10-25 19:46:14,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2020-10-25 19:46:14,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1423 transitions. [2020-10-25 19:46:14,930 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1423 transitions. Word has length 185 [2020-10-25 19:46:14,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:14,930 INFO L481 AbstractCegarLoop]: Abstraction has 1277 states and 1423 transitions. [2020-10-25 19:46:14,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:14,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1423 transitions. [2020-10-25 19:46:14,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-25 19:46:14,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:14,936 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] [2020-10-25 19:46:15,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:46:15,149 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:15,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:15,150 INFO L82 PathProgramCache]: Analyzing trace with hash -591488609, now seen corresponding path program 1 times [2020-10-25 19:46:15,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:15,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546388499] [2020-10-25 19:46:15,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:15,340 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 19:46:15,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546388499] [2020-10-25 19:46:15,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:46:15,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:46:15,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569169538] [2020-10-25 19:46:15,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:15,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:15,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:15,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:46:15,352 INFO L87 Difference]: Start difference. First operand 1277 states and 1423 transitions. Second operand 3 states. [2020-10-25 19:46:16,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:16,328 INFO L93 Difference]: Finished difference Result 3110 states and 3438 transitions. [2020-10-25 19:46:16,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:16,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-10-25 19:46:16,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:16,341 INFO L225 Difference]: With dead ends: 3110 [2020-10-25 19:46:16,341 INFO L226 Difference]: Without dead ends: 1835 [2020-10-25 19:46:16,343 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 19:46:16,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2020-10-25 19:46:16,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1275. [2020-10-25 19:46:16,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2020-10-25 19:46:16,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1419 transitions. [2020-10-25 19:46:16,378 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1419 transitions. Word has length 207 [2020-10-25 19:46:16,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:16,379 INFO L481 AbstractCegarLoop]: Abstraction has 1275 states and 1419 transitions. [2020-10-25 19:46:16,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:16,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1419 transitions. [2020-10-25 19:46:16,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-25 19:46:16,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:46:16,384 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] [2020-10-25 19:46:16,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 19:46:16,384 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:46:16,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:46:16,385 INFO L82 PathProgramCache]: Analyzing trace with hash -406662324, now seen corresponding path program 1 times [2020-10-25 19:46:16,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:46:16,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505535734] [2020-10-25 19:46:16,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:46:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:16,777 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 19:46:16,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505535734] [2020-10-25 19:46:16,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219776450] [2020-10-25 19:46:16,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:46:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:46:16,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:46:16,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:46:17,017 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 19:46:17,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:46:17,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 19:46:17,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339787827] [2020-10-25 19:46:17,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:46:17,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:46:17,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:46:17,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:46:17,020 INFO L87 Difference]: Start difference. First operand 1275 states and 1419 transitions. Second operand 3 states. [2020-10-25 19:46:18,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:46:18,057 INFO L93 Difference]: Finished difference Result 2547 states and 2836 transitions. [2020-10-25 19:46:18,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:46:18,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-10-25 19:46:18,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:46:18,058 INFO L225 Difference]: With dead ends: 2547 [2020-10-25 19:46:18,059 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 19:46:18,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 206 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 19:46:18,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 19:46:18,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 19:46:18,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 19:46:18,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 19:46:18,062 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-10-25 19:46:18,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:46:18,063 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 19:46:18,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:46:18,063 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 19:46:18,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 19:46:18,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:46:18,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 19:46:18,545 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2020-10-25 19:46:18,784 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2020-10-25 19:46:18,790 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-25 19:46:18,790 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-25 19:46:18,790 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-25 19:46:18,790 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-25 19:46:18,790 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-25 19:46:18,790 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-25 19:46:18,790 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-25 19:46:18,790 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,790 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,791 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,791 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-25 19:46:18,791 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-25 19:46:18,794 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-25 19:46:18,794 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-25 19:46:18,794 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-25 19:46:18,794 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-25 19:46:18,795 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-25 19:46:18,795 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,795 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,795 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,795 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-25 19:46:18,795 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-25 19:46:18,795 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-25 19:46:18,795 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-25 19:46:18,795 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-25 19:46:18,796 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-25 19:46:18,796 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-25 19:46:18,796 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,796 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,796 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,796 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-25 19:46:18,796 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-25 19:46:18,796 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-25 19:46:18,796 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-25 19:46:18,796 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-25 19:46:18,797 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,797 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,797 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,798 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-25 19:46:18,798 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-25 19:46:18,798 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-25 19:46:18,798 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-25 19:46:18,799 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-25 19:46:18,799 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-25 19:46:18,799 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-25 19:46:18,799 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-25 19:46:18,799 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,799 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,799 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,799 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-25 19:46:18,799 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-25 19:46:18,799 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-25 19:46:18,800 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-25 19:46:18,800 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-25 19:46:18,800 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-25 19:46:18,800 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-25 19:46:18,800 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-25 19:46:18,801 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,801 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,801 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,801 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-25 19:46:18,801 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-25 19:46:18,801 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-25 19:46:18,801 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-25 19:46:18,801 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-25 19:46:18,801 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-25 19:46:18,801 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-25 19:46:18,802 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-25 19:46:18,802 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-25 19:46:18,802 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,804 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,804 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,804 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-25 19:46:18,804 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-25 19:46:18,804 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-25 19:46:18,805 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-25 19:46:18,805 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-25 19:46:18,805 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-25 19:46:18,805 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 19:46:18,805 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,805 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,805 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,805 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-25 19:46:18,805 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-25 19:46:18,806 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-25 19:46:18,806 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-25 19:46:18,806 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-25 19:46:18,806 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-25 19:46:18,806 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-25 19:46:18,806 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-25 19:46:18,806 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,806 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,806 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,806 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-25 19:46:18,807 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-25 19:46:18,807 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-25 19:46:18,807 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-25 19:46:18,807 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-25 19:46:18,807 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,807 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,807 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,807 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-25 19:46:18,807 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 19:46:18,808 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 19:46:18,808 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-25 19:46:18,808 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-25 19:46:18,808 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-25 19:46:18,808 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-25 19:46:18,808 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-25 19:46:18,808 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-25 19:46:18,808 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-25 19:46:18,808 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-25 19:46:18,809 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-25 19:46:18,809 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-25 19:46:18,809 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,809 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,809 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-25 19:46:18,809 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-25 19:46:18,809 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-25 19:46:18,809 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-25 19:46:18,809 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-25 19:46:18,810 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-25 19:46:18,810 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-25 19:46:18,810 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-25 19:46:18,811 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-25 19:46:18,811 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 19:46:18,811 INFO L270 CegarLoopResult]: At program point L599(lines 31 600) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse3 (<= 8 ~a17~0)) (.cse4 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and (<= 9 ~a28~0) .cse2 .cse5))) [2020-10-25 19:46:18,811 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,811 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,811 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-25 19:46:18,811 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-25 19:46:18,812 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-25 19:46:18,812 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-25 19:46:18,812 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-25 19:46:18,812 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-25 19:46:18,812 INFO L277 CegarLoopResult]: At program point L602(lines 602 619) the Hoare annotation is: true [2020-10-25 19:46:18,812 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,812 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,812 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-25 19:46:18,812 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-25 19:46:18,813 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-25 19:46:18,813 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-25 19:46:18,813 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-25 19:46:18,813 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-25 19:46:18,813 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-25 19:46:18,813 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-25 19:46:18,813 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-25 19:46:18,813 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,813 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,813 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-25 19:46:18,813 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-25 19:46:18,814 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-25 19:46:18,814 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-25 19:46:18,814 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-25 19:46:18,814 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-25 19:46:18,814 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse3 (<= 8 ~a17~0)) (.cse4 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and (<= 9 ~a28~0) .cse2 .cse5))) [2020-10-25 19:46:18,814 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,814 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,814 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-25 19:46:18,815 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-25 19:46:18,815 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-25 19:46:18,815 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-25 19:46:18,815 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-25 19:46:18,815 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,815 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,815 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-25 19:46:18,815 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-25 19:46:18,815 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-25 19:46:18,815 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-25 19:46:18,816 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-25 19:46:18,816 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-25 19:46:18,816 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-25 19:46:18,816 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-25 19:46:18,816 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-25 19:46:18,816 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,816 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,816 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-25 19:46:18,816 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,816 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 19:46:18,817 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-25 19:46:18,817 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-25 19:46:18,817 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-25 19:46:18,817 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-25 19:46:18,817 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-25 19:46:18,817 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-25 19:46:18,817 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,817 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,817 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,817 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-25 19:46:18,818 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-25 19:46:18,818 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-25 19:46:18,818 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-25 19:46:18,818 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-25 19:46:18,818 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,818 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,818 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,818 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-25 19:46:18,818 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-25 19:46:18,818 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-25 19:46:18,819 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-25 19:46:18,819 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-25 19:46:18,819 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-25 19:46:18,819 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 19:46:18,819 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,819 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,819 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,819 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-25 19:46:18,819 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-25 19:46:18,819 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-25 19:46:18,820 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-25 19:46:18,820 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-25 19:46:18,820 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-25 19:46:18,820 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-25 19:46:18,820 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-25 19:46:18,820 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,820 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,820 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,820 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-25 19:46:18,821 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-25 19:46:18,821 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-25 19:46:18,821 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-25 19:46:18,821 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-25 19:46:18,822 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,822 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,822 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-25 19:46:18,822 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-25 19:46:18,822 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-25 19:46:18,822 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-25 19:46:18,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:46:18 BoogieIcfgContainer [2020-10-25 19:46:18,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:46:18,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:46:18,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:46:18,850 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:46:18,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:46:03" (3/4) ... [2020-10-25 19:46:18,854 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 19:46:18,874 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 19:46:18,876 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 19:46:18,877 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:46:18,879 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:46:19,089 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 19:46:19,094 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:46:19,095 INFO L168 Benchmark]: Toolchain (without parser) took 18763.27 ms. Allocated memory was 50.3 MB in the beginning and 211.8 MB in the end (delta: 161.5 MB). Free memory was 26.3 MB in the beginning and 181.8 MB in the end (delta: -155.5 MB). Peak memory consumption was 129.7 MB. Max. memory is 16.1 GB. [2020-10-25 19:46:19,098 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 50.3 MB. Free memory was 35.9 MB in the beginning and 35.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:46:19,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 836.43 ms. Allocated memory is still 50.3 MB. Free memory was 25.7 MB in the beginning and 25.6 MB in the end (delta: 102.6 kB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-10-25 19:46:19,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.22 ms. Allocated memory is still 50.3 MB. Free memory was 25.6 MB in the beginning and 20.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 19:46:19,101 INFO L168 Benchmark]: Boogie Preprocessor took 78.09 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 20.1 MB in the beginning and 39.0 MB in the end (delta: -19.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. [2020-10-25 19:46:19,101 INFO L168 Benchmark]: RCFGBuilder took 1763.38 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 39.0 MB in the beginning and 43.1 MB in the end (delta: -4.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2020-10-25 19:46:19,102 INFO L168 Benchmark]: TraceAbstraction took 15738.59 ms. Allocated memory was 83.9 MB in the beginning and 211.8 MB in the end (delta: 127.9 MB). Free memory was 42.5 MB in the beginning and 75.7 MB in the end (delta: -33.2 MB). Peak memory consumption was 93.2 MB. Max. memory is 16.1 GB. [2020-10-25 19:46:19,102 INFO L168 Benchmark]: Witness Printer took 243.94 ms. Allocated memory is still 211.8 MB. Free memory was 75.7 MB in the beginning and 181.8 MB in the end (delta: -106.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-10-25 19:46:19,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 50.3 MB. Free memory was 35.9 MB in the beginning and 35.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 836.43 ms. Allocated memory is still 50.3 MB. Free memory was 25.7 MB in the beginning and 25.6 MB in the end (delta: 102.6 kB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.22 ms. Allocated memory is still 50.3 MB. Free memory was 25.6 MB in the beginning and 20.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.09 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 20.1 MB in the beginning and 39.0 MB in the end (delta: -19.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1763.38 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 39.0 MB in the beginning and 43.1 MB in the end (delta: -4.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15738.59 ms. Allocated memory was 83.9 MB in the beginning and 211.8 MB in the end (delta: 127.9 MB). Free memory was 42.5 MB in the beginning and 75.7 MB in the end (delta: -33.2 MB). Peak memory consumption was 93.2 MB. Max. memory is 16.1 GB. * Witness Printer took 243.94 ms. Allocated memory is still 211.8 MB. Free memory was 75.7 MB in the beginning and 181.8 MB in the end (delta: -106.1 MB). Peak memory consumption was 16.8 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 && 8 <= a17) && !(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 && 8 <= a17) && !(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: 15.0s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 748 SDtfs, 1031 SDslu, 81 SDs, 0 SdLazy, 2952 SolverSat, 517 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 711 GetRequests, 690 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s 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: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 844 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 25 NumberOfFragments, 119 HoareAnnotationTreeSize, 3 FomulaSimplifications, 410 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 68 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2077 NumberOfCodeBlocks, 2077 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2064 ConstructedInterpolants, 0 QuantifiedInterpolants, 1332856 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1312 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 924/1014 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...