./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem01_label52.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 4cfcf1ca3687d3ea0d023c142c2a74df6691ea6a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:45:09,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:45:09,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:45:09,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:45:09,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:45:09,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:45:09,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:45:09,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:45:09,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:45:09,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:45:09,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:45:09,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:45:09,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:45:09,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:45:09,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:45:09,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:45:09,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:45:09,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:45:09,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:45:09,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:45:09,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:45:09,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:45:09,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:45:09,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:45:09,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:45:09,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:45:09,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:45:09,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:45:09,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:45:09,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:45:09,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:45:09,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:45:09,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:45:09,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:45:09,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:45:09,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:45:09,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:45:09,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:45:09,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:45:09,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:45:09,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:45:09,182 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 19:45:09,211 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:45:09,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:45:09,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:45:09,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:45:09,214 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:45:09,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:45:09,215 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:45:09,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 19:45:09,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:45:09,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:45:09,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:45:09,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:45:09,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:45:09,217 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:45:09,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:45:09,218 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:45:09,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:45:09,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:45:09,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:45:09,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:45:09,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:45:09,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:45:09,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:45:09,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:45:09,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:45:09,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 19:45:09,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 19:45:09,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:45:09,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:45:09,222 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cfcf1ca3687d3ea0d023c142c2a74df6691ea6a [2020-10-25 19:45:09,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:45:09,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:45:09,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:45:09,729 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:45:09,732 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:45:09,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label52.c [2020-10-25 19:45:09,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b04a22cea/d8199a51ff8d4cdfaa1d1deb0a28f0c2/FLAG4a32d2ea4 [2020-10-25 19:45:10,718 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:45:10,719 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label52.c [2020-10-25 19:45:10,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b04a22cea/d8199a51ff8d4cdfaa1d1deb0a28f0c2/FLAG4a32d2ea4 [2020-10-25 19:45:10,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b04a22cea/d8199a51ff8d4cdfaa1d1deb0a28f0c2 [2020-10-25 19:45:10,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:45:10,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:45:10,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:45:10,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:45:10,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:45:10,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:45:10" (1/1) ... [2020-10-25 19:45:10,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a27d6f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:10, skipping insertion in model container [2020-10-25 19:45:10,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:45:10" (1/1) ... [2020-10-25 19:45:11,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:45:11,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:45:11,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:45:11,506 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:45:11,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:45:11,725 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:45:11,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:11 WrapperNode [2020-10-25 19:45:11,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:45:11,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:45:11,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:45:11,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:45:11,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:11" (1/1) ... [2020-10-25 19:45:11,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:11" (1/1) ... [2020-10-25 19:45:11,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:45:11,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:45:11,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:45:11,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:45:11,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:11" (1/1) ... [2020-10-25 19:45:11,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:11" (1/1) ... [2020-10-25 19:45:11,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:11" (1/1) ... [2020-10-25 19:45:11,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:11" (1/1) ... [2020-10-25 19:45:11,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:11" (1/1) ... [2020-10-25 19:45:11,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:11" (1/1) ... [2020-10-25 19:45:11,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:11" (1/1) ... [2020-10-25 19:45:11,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:45:11,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:45:11,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:45:11,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:45:11,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:45:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 19:45:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:45:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:45:11,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:45:13,278 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:45:13,278 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 19:45:13,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:45:13 BoogieIcfgContainer [2020-10-25 19:45:13,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:45:13,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:45:13,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:45:13,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:45:13,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:45:10" (1/3) ... [2020-10-25 19:45:13,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@feaa9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:45:13, skipping insertion in model container [2020-10-25 19:45:13,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:45:11" (2/3) ... [2020-10-25 19:45:13,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@feaa9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:45:13, skipping insertion in model container [2020-10-25 19:45:13,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:45:13" (3/3) ... [2020-10-25 19:45:13,291 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label52.c [2020-10-25 19:45:13,305 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:45:13,311 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:45:13,325 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:45:13,364 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:45:13,364 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:45:13,364 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:45:13,364 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:45:13,365 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:45:13,365 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:45:13,365 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:45:13,365 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:45:13,387 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-10-25 19:45:13,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-25 19:45:13,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:13,403 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:13,404 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:13,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:13,412 INFO L82 PathProgramCache]: Analyzing trace with hash 2069223047, now seen corresponding path program 1 times [2020-10-25 19:45:13,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:13,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365174129] [2020-10-25 19:45:13,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:13,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:13,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365174129] [2020-10-25 19:45:13,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:13,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:45:13,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172586271] [2020-10-25 19:45:13,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:13,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:13,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:13,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:13,926 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-10-25 19:45:14,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:14,920 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-10-25 19:45:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:14,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-10-25 19:45:14,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:14,957 INFO L225 Difference]: With dead ends: 529 [2020-10-25 19:45:14,957 INFO L226 Difference]: Without dead ends: 266 [2020-10-25 19:45:14,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:14,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-25 19:45:15,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-25 19:45:15,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-25 19:45:15,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-10-25 19:45:15,036 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 126 [2020-10-25 19:45:15,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:15,037 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-10-25 19:45:15,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:15,038 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-10-25 19:45:15,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-25 19:45:15,042 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:15,042 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:15,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 19:45:15,043 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:15,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:15,044 INFO L82 PathProgramCache]: Analyzing trace with hash 964012897, now seen corresponding path program 1 times [2020-10-25 19:45:15,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:15,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525369312] [2020-10-25 19:45:15,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:15,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:15,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525369312] [2020-10-25 19:45:15,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:15,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:45:15,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772842699] [2020-10-25 19:45:15,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:15,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:15,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:15,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:15,200 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-10-25 19:45:15,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:15,911 INFO L93 Difference]: Finished difference Result 794 states and 1136 transitions. [2020-10-25 19:45:15,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:15,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-10-25 19:45:15,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:15,918 INFO L225 Difference]: With dead ends: 794 [2020-10-25 19:45:15,919 INFO L226 Difference]: Without dead ends: 530 [2020-10-25 19:45:15,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:15,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-10-25 19:45:15,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 528. [2020-10-25 19:45:15,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-10-25 19:45:15,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 721 transitions. [2020-10-25 19:45:15,966 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 721 transitions. Word has length 131 [2020-10-25 19:45:15,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:15,967 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 721 transitions. [2020-10-25 19:45:15,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:15,967 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 721 transitions. [2020-10-25 19:45:15,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-25 19:45:15,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:15,973 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:15,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 19:45:15,974 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:15,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:15,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1458965079, now seen corresponding path program 1 times [2020-10-25 19:45:15,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:15,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806761462] [2020-10-25 19:45:15,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:16,062 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:16,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806761462] [2020-10-25 19:45:16,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:16,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:45:16,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475061460] [2020-10-25 19:45:16,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:16,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:16,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:16,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:16,066 INFO L87 Difference]: Start difference. First operand 528 states and 721 transitions. Second operand 3 states. [2020-10-25 19:45:16,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:16,829 INFO L93 Difference]: Finished difference Result 1578 states and 2158 transitions. [2020-10-25 19:45:16,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:16,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-10-25 19:45:16,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:16,836 INFO L225 Difference]: With dead ends: 1578 [2020-10-25 19:45:16,836 INFO L226 Difference]: Without dead ends: 1052 [2020-10-25 19:45:16,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:16,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-10-25 19:45:16,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2020-10-25 19:45:16,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-10-25 19:45:16,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1367 transitions. [2020-10-25 19:45:16,888 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1367 transitions. Word has length 135 [2020-10-25 19:45:16,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:16,889 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1367 transitions. [2020-10-25 19:45:16,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:16,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1367 transitions. [2020-10-25 19:45:16,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-25 19:45:16,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:16,895 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:16,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 19:45:16,895 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:16,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:16,896 INFO L82 PathProgramCache]: Analyzing trace with hash 160357932, now seen corresponding path program 1 times [2020-10-25 19:45:16,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:16,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930789983] [2020-10-25 19:45:16,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:17,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930789983] [2020-10-25 19:45:17,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:17,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:45:17,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366777095] [2020-10-25 19:45:17,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 19:45:17,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:17,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 19:45:17,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:45:17,057 INFO L87 Difference]: Start difference. First operand 1052 states and 1367 transitions. Second operand 4 states. [2020-10-25 19:45:18,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:18,295 INFO L93 Difference]: Finished difference Result 2626 states and 3388 transitions. [2020-10-25 19:45:18,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 19:45:18,296 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2020-10-25 19:45:18,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:18,304 INFO L225 Difference]: With dead ends: 2626 [2020-10-25 19:45:18,304 INFO L226 Difference]: Without dead ends: 1576 [2020-10-25 19:45:18,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:45:18,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2020-10-25 19:45:18,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1314. [2020-10-25 19:45:18,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-10-25 19:45:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1659 transitions. [2020-10-25 19:45:18,347 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1659 transitions. Word has length 138 [2020-10-25 19:45:18,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:18,348 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1659 transitions. [2020-10-25 19:45:18,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 19:45:18,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1659 transitions. [2020-10-25 19:45:18,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-25 19:45:18,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:18,353 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:18,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 19:45:18,354 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:18,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:18,355 INFO L82 PathProgramCache]: Analyzing trace with hash -2094393763, now seen corresponding path program 1 times [2020-10-25 19:45:18,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:18,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815960906] [2020-10-25 19:45:18,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:18,453 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:18,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815960906] [2020-10-25 19:45:18,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:18,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:45:18,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133283949] [2020-10-25 19:45:18,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:18,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:18,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:18,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:18,460 INFO L87 Difference]: Start difference. First operand 1314 states and 1659 transitions. Second operand 3 states. [2020-10-25 19:45:19,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:19,257 INFO L93 Difference]: Finished difference Result 3543 states and 4513 transitions. [2020-10-25 19:45:19,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:19,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-10-25 19:45:19,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:19,270 INFO L225 Difference]: With dead ends: 3543 [2020-10-25 19:45:19,271 INFO L226 Difference]: Without dead ends: 2231 [2020-10-25 19:45:19,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:19,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2020-10-25 19:45:19,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2100. [2020-10-25 19:45:19,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2020-10-25 19:45:19,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2679 transitions. [2020-10-25 19:45:19,329 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2679 transitions. Word has length 139 [2020-10-25 19:45:19,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:19,329 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2679 transitions. [2020-10-25 19:45:19,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:19,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2679 transitions. [2020-10-25 19:45:19,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-25 19:45:19,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:19,335 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:19,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 19:45:19,335 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:19,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:19,336 INFO L82 PathProgramCache]: Analyzing trace with hash -2871608, now seen corresponding path program 1 times [2020-10-25 19:45:19,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:19,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274724288] [2020-10-25 19:45:19,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:19,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274724288] [2020-10-25 19:45:19,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:19,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:45:19,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032230925] [2020-10-25 19:45:19,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:19,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:19,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:19,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:19,415 INFO L87 Difference]: Start difference. First operand 2100 states and 2679 transitions. Second operand 3 states. [2020-10-25 19:45:20,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:20,175 INFO L93 Difference]: Finished difference Result 4460 states and 5648 transitions. [2020-10-25 19:45:20,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:20,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-10-25 19:45:20,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:20,188 INFO L225 Difference]: With dead ends: 4460 [2020-10-25 19:45:20,188 INFO L226 Difference]: Without dead ends: 2362 [2020-10-25 19:45:20,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:20,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-10-25 19:45:20,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2231. [2020-10-25 19:45:20,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-10-25 19:45:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2798 transitions. [2020-10-25 19:45:20,259 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2798 transitions. Word has length 141 [2020-10-25 19:45:20,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:20,263 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2798 transitions. [2020-10-25 19:45:20,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:20,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2798 transitions. [2020-10-25 19:45:20,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-25 19:45:20,269 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:20,269 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:20,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 19:45:20,285 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:20,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:20,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1538572042, now seen corresponding path program 1 times [2020-10-25 19:45:20,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:20,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257885380] [2020-10-25 19:45:20,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-25 19:45:20,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257885380] [2020-10-25 19:45:20,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:20,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:45:20,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757627172] [2020-10-25 19:45:20,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:20,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:20,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:20,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:20,401 INFO L87 Difference]: Start difference. First operand 2231 states and 2798 transitions. Second operand 3 states. [2020-10-25 19:45:21,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:21,098 INFO L93 Difference]: Finished difference Result 4853 states and 6078 transitions. [2020-10-25 19:45:21,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:21,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-10-25 19:45:21,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:21,110 INFO L225 Difference]: With dead ends: 4853 [2020-10-25 19:45:21,111 INFO L226 Difference]: Without dead ends: 2493 [2020-10-25 19:45:21,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:45:21,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2020-10-25 19:45:21,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2493. [2020-10-25 19:45:21,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2020-10-25 19:45:21,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 2880 transitions. [2020-10-25 19:45:21,176 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 2880 transitions. Word has length 142 [2020-10-25 19:45:21,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:21,176 INFO L481 AbstractCegarLoop]: Abstraction has 2493 states and 2880 transitions. [2020-10-25 19:45:21,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:21,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2880 transitions. [2020-10-25 19:45:21,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-25 19:45:21,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:21,183 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:21,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 19:45:21,183 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:21,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:21,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1026858574, now seen corresponding path program 1 times [2020-10-25 19:45:21,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:21,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810001895] [2020-10-25 19:45:21,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:21,267 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:45:21,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810001895] [2020-10-25 19:45:21,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676479995] [2020-10-25 19:45:21,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:45:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:21,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:45:21,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:45:21,531 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-25 19:45:21,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:45:21,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-10-25 19:45:21,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163398938] [2020-10-25 19:45:21,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:21,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:21,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:21,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:45:21,534 INFO L87 Difference]: Start difference. First operand 2493 states and 2880 transitions. Second operand 3 states. [2020-10-25 19:45:22,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:22,286 INFO L93 Difference]: Finished difference Result 5770 states and 6647 transitions. [2020-10-25 19:45:22,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:22,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-10-25 19:45:22,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:22,305 INFO L225 Difference]: With dead ends: 5770 [2020-10-25 19:45:22,306 INFO L226 Difference]: Without dead ends: 3279 [2020-10-25 19:45:22,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:45:22,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2020-10-25 19:45:22,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 2493. [2020-10-25 19:45:22,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2020-10-25 19:45:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 2844 transitions. [2020-10-25 19:45:22,390 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 2844 transitions. Word has length 145 [2020-10-25 19:45:22,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:22,393 INFO L481 AbstractCegarLoop]: Abstraction has 2493 states and 2844 transitions. [2020-10-25 19:45:22,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:22,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2844 transitions. [2020-10-25 19:45:22,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-25 19:45:22,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:22,400 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:22,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-10-25 19:45:22,614 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:22,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:22,615 INFO L82 PathProgramCache]: Analyzing trace with hash -2102279321, now seen corresponding path program 1 times [2020-10-25 19:45:22,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:22,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866839999] [2020-10-25 19:45:22,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:22,723 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-10-25 19:45:22,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866839999] [2020-10-25 19:45:22,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:45:22,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:45:22,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036142291] [2020-10-25 19:45:22,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 19:45:22,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:22,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 19:45:22,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:45:22,727 INFO L87 Difference]: Start difference. First operand 2493 states and 2844 transitions. Second operand 4 states. [2020-10-25 19:45:23,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:23,701 INFO L93 Difference]: Finished difference Result 4984 states and 5686 transitions. [2020-10-25 19:45:23,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 19:45:23,702 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 185 [2020-10-25 19:45:23,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:23,716 INFO L225 Difference]: With dead ends: 4984 [2020-10-25 19:45:23,716 INFO L226 Difference]: Without dead ends: 2493 [2020-10-25 19:45:23,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:45:23,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2020-10-25 19:45:23,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2493. [2020-10-25 19:45:23,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2020-10-25 19:45:23,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 2814 transitions. [2020-10-25 19:45:23,790 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 2814 transitions. Word has length 185 [2020-10-25 19:45:23,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:23,791 INFO L481 AbstractCegarLoop]: Abstraction has 2493 states and 2814 transitions. [2020-10-25 19:45:23,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 19:45:23,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2814 transitions. [2020-10-25 19:45:23,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-25 19:45:23,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:45:23,805 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:45:23,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 19:45:23,806 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:45:23,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:45:23,807 INFO L82 PathProgramCache]: Analyzing trace with hash -641466947, now seen corresponding path program 1 times [2020-10-25 19:45:23,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:45:23,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948197424] [2020-10-25 19:45:23,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:45:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-25 19:45:23,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948197424] [2020-10-25 19:45:23,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577048697] [2020-10-25 19:45:23,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:45:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:45:24,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:45:24,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:45:24,245 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-25 19:45:24,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:45:24,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:45:24,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489748507] [2020-10-25 19:45:24,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:45:24,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:45:24,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:45:24,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:45:24,248 INFO L87 Difference]: Start difference. First operand 2493 states and 2814 transitions. Second operand 3 states. [2020-10-25 19:45:24,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:45:24,875 INFO L93 Difference]: Finished difference Result 5506 states and 6229 transitions. [2020-10-25 19:45:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:45:24,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2020-10-25 19:45:24,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:45:24,876 INFO L225 Difference]: With dead ends: 5506 [2020-10-25 19:45:24,877 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 19:45:24,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:45:24,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 19:45:24,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 19:45:24,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 19:45:24,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 19:45:24,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214 [2020-10-25 19:45:24,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:45:24,885 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 19:45:24,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:45:24,885 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 19:45:24,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 19:45:25,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-25 19:45:25,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 19:45:25,271 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,272 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,272 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,272 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,272 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,272 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,272 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-25 19:45:25,272 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-25 19:45:25,272 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-25 19:45:25,272 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-25 19:45:25,272 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-25 19:45:25,273 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-25 19:45:25,273 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-25 19:45:25,273 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-25 19:45:25,274 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-25 19:45:25,274 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-25 19:45:25,275 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 19:45:25,275 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-25 19:45:25,276 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-25 19:45:25,276 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,276 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,276 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,277 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,277 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,277 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,277 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-25 19:45:25,279 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-25 19:45:25,280 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-25 19:45:25,280 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-25 19:45:25,280 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-25 19:45:25,280 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-25 19:45:25,281 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-25 19:45:25,281 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-25 19:45:25,281 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-25 19:45:25,281 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-25 19:45:25,282 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,282 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,282 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,282 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,282 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,283 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,283 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-25 19:45:25,284 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-25 19:45:25,284 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-25 19:45:25,284 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-25 19:45:25,284 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-25 19:45:25,284 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-25 19:45:25,285 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-25 19:45:25,285 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-25 19:45:25,285 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-25 19:45:25,285 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-25 19:45:25,285 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-25 19:45:25,285 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-25 19:45:25,286 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-25 19:45:25,286 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-25 19:45:25,286 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-25 19:45:25,286 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,286 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,286 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,287 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,287 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,287 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-25 19:45:25,287 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-25 19:45:25,287 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-25 19:45:25,287 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-25 19:45:25,288 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-25 19:45:25,288 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-25 19:45:25,288 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-25 19:45:25,289 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-25 19:45:25,289 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-25 19:45:25,289 INFO L270 CegarLoopResult]: At program point L576(lines 32 577) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1))) (or (and (= ~a21~0 1) .cse0 (= ~a7~0 0) (= ~a17~0 1)) (<= ~a16~0 5) (and .cse0 (<= ~a8~0 13)) (<= 15 ~a8~0))) [2020-10-25 19:45:25,289 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,290 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,290 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,290 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,290 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,290 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-25 19:45:25,291 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-25 19:45:25,291 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-25 19:45:25,291 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-25 19:45:25,291 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-25 19:45:25,291 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-25 19:45:25,291 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-25 19:45:25,292 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-25 19:45:25,292 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-25 19:45:25,292 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-25 19:45:25,292 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-25 19:45:25,292 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-25 19:45:25,292 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-25 19:45:25,293 INFO L277 CegarLoopResult]: At program point L579(lines 579 596) the Hoare annotation is: true [2020-10-25 19:45:25,294 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,294 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,294 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,294 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,294 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,294 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-25 19:45:25,295 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-25 19:45:25,295 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-25 19:45:25,295 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-25 19:45:25,295 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-25 19:45:25,295 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-25 19:45:25,295 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-25 19:45:25,296 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-25 19:45:25,296 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 19:45:25,296 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-25 19:45:25,296 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,296 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,296 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,297 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,297 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-25 19:45:25,297 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,297 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-25 19:45:25,297 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-25 19:45:25,297 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-25 19:45:25,298 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-25 19:45:25,298 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-25 19:45:25,298 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-25 19:45:25,298 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-25 19:45:25,298 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-25 19:45:25,298 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-25 19:45:25,299 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-25 19:45:25,299 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-25 19:45:25,299 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-25 19:45:25,299 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-25 19:45:25,299 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,301 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1))) (or (and (= ~a21~0 1) .cse0 (= ~a7~0 0) (= ~a17~0 1)) (<= ~a16~0 5) (and .cse0 (<= ~a8~0 13)) (<= 15 ~a8~0))) [2020-10-25 19:45:25,301 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,302 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,302 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,302 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,302 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-25 19:45:25,302 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-25 19:45:25,303 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-25 19:45:25,303 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-25 19:45:25,303 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-25 19:45:25,303 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-25 19:45:25,304 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-25 19:45:25,304 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 19:45:25,304 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-25 19:45:25,304 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,304 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,305 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,305 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,305 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,305 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-25 19:45:25,306 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-25 19:45:25,306 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-25 19:45:25,306 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-25 19:45:25,306 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-25 19:45:25,306 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-25 19:45:25,307 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-25 19:45:25,307 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-25 19:45:25,307 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-25 19:45:25,307 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-25 19:45:25,307 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 19:45:25,308 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-25 19:45:25,308 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-25 19:45:25,308 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,308 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,309 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,309 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,309 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-25 19:45:25,309 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,309 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,310 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-25 19:45:25,310 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-25 19:45:25,310 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-25 19:45:25,310 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-25 19:45:25,310 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-25 19:45:25,311 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-25 19:45:25,311 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-25 19:45:25,311 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-25 19:45:25,311 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-25 19:45:25,311 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-25 19:45:25,312 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-25 19:45:25,312 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-25 19:45:25,312 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 19:45:25,312 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 19:45:25,313 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,313 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,313 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,313 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,314 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,314 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-25 19:45:25,314 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:45:25,314 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-25 19:45:25,314 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-25 19:45:25,315 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-25 19:45:25,315 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-25 19:45:25,315 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-25 19:45:25,315 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-25 19:45:25,315 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-25 19:45:25,316 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-25 19:45:25,316 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-25 19:45:25,316 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-25 19:45:25,316 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-25 19:45:25,316 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-25 19:45:25,317 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-25 19:45:25,317 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-25 19:45:25,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:45:25 BoogieIcfgContainer [2020-10-25 19:45:25,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:45:25,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:45:25,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:45:25,357 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:45:25,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:45:13" (3/4) ... [2020-10-25 19:45:25,363 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 19:45:25,403 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 19:45:25,405 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 19:45:25,407 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:45:25,409 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:45:25,663 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 19:45:25,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:45:25,666 INFO L168 Benchmark]: Toolchain (without parser) took 14730.17 ms. Allocated memory was 46.1 MB in the beginning and 213.9 MB in the end (delta: 167.8 MB). Free memory was 22.0 MB in the beginning and 91.3 MB in the end (delta: -69.3 MB). Peak memory consumption was 100.0 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:25,667 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 46.1 MB. Free memory was 26.8 MB in the beginning and 26.8 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:45:25,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.82 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 32.1 MB in the beginning and 27.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:25,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.36 ms. Allocated memory is still 56.6 MB. Free memory was 26.9 MB in the beginning and 34.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:25,668 INFO L168 Benchmark]: Boogie Preprocessor took 69.36 ms. Allocated memory is still 56.6 MB. Free memory was 34.9 MB in the beginning and 30.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:25,669 INFO L168 Benchmark]: RCFGBuilder took 1383.09 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 30.3 MB in the beginning and 28.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:25,670 INFO L168 Benchmark]: TraceAbstraction took 12072.19 ms. Allocated memory was 69.2 MB in the beginning and 213.9 MB in the end (delta: 144.7 MB). Free memory was 27.6 MB in the beginning and 106.0 MB in the end (delta: -78.4 MB). Peak memory consumption was 65.6 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:25,670 INFO L168 Benchmark]: Witness Printer took 306.84 ms. Allocated memory is still 213.9 MB. Free memory was 106.0 MB in the beginning and 91.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-10-25 19:45:25,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 46.1 MB. Free memory was 26.8 MB in the beginning and 26.8 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 763.82 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 32.1 MB in the beginning and 27.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.36 ms. Allocated memory is still 56.6 MB. Free memory was 26.9 MB in the beginning and 34.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.36 ms. Allocated memory is still 56.6 MB. Free memory was 34.9 MB in the beginning and 30.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1383.09 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 30.3 MB in the beginning and 28.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12072.19 ms. Allocated memory was 69.2 MB in the beginning and 213.9 MB in the end (delta: 144.7 MB). Free memory was 27.6 MB in the beginning and 106.0 MB in the end (delta: -78.4 MB). Peak memory consumption was 65.6 MB. Max. memory is 16.1 GB. * Witness Printer took 306.84 ms. Allocated memory is still 213.9 MB. Free memory was 106.0 MB in the beginning and 91.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((a21 == 1 && a20 == 1) && a7 == 0) && a17 == 1) || a16 <= 5) || (a20 == 1 && a8 <= 13)) || 15 <= a8 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((a21 == 1 && a20 == 1) && a7 == 0) && a17 == 1) || a16 <= 5) || (a20 == 1 && a8 <= 13)) || 15 <= a8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.7s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 511 SDtfs, 1432 SDslu, 60 SDs, 0 SdLazy, 3719 SolverSat, 665 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 382 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2493occurred 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: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 1312 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 53 NumberOfFragments, 55 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1290 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1855 NumberOfCodeBlocks, 1855 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1843 ConstructedInterpolants, 0 QuantifiedInterpolants, 548578 SizeOfPredicates, 2 NumberOfNonLiveVariables, 730 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 609/615 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...