./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label45.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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/Problem16_label45.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 1998d40d034f29f43e3ebcacc6b3921458048ac7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-25 22:33:06,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 22:33:06,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 22:33:06,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 22:33:06,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 22:33:06,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 22:33:06,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 22:33:06,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 22:33:06,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 22:33:06,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 22:33:06,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 22:33:06,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 22:33:06,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 22:33:06,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 22:33:06,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 22:33:06,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 22:33:06,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 22:33:06,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 22:33:06,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 22:33:06,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 22:33:06,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 22:33:06,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 22:33:06,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 22:33:06,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 22:33:06,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 22:33:06,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 22:33:06,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 22:33:06,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 22:33:06,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 22:33:06,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 22:33:06,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 22:33:06,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 22:33:06,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 22:33:06,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 22:33:06,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 22:33:06,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 22:33:06,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 22:33:06,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 22:33:06,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 22:33:06,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 22:33:06,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 22:33:06,816 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 22:33:06,831 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 22:33:06,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 22:33:06,832 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 22:33:06,832 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 22:33:06,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 22:33:06,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 22:33:06,833 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 22:33:06,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 22:33:06,834 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 22:33:06,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 22:33:06,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 22:33:06,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 22:33:06,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 22:33:06,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 22:33:06,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 22:33:06,835 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 22:33:06,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 22:33:06,835 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 22:33:06,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 22:33:06,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 22:33:06,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 22:33:06,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 22:33:06,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:33:06,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 22:33:06,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 22:33:06,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 22:33:06,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 22:33:06,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 22:33:06,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 22:33:06,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 22:33:06,838 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1998d40d034f29f43e3ebcacc6b3921458048ac7 [2021-08-25 22:33:07,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 22:33:07,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 22:33:07,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 22:33:07,110 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 22:33:07,110 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 22:33:07,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label45.c [2021-08-25 22:33:07,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3dba9fdc/f5430251d96d4fae8dec3a904fcada9c/FLAGe58ca2bdf [2021-08-25 22:33:07,624 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 22:33:07,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label45.c [2021-08-25 22:33:07,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3dba9fdc/f5430251d96d4fae8dec3a904fcada9c/FLAGe58ca2bdf [2021-08-25 22:33:08,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3dba9fdc/f5430251d96d4fae8dec3a904fcada9c [2021-08-25 22:33:08,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 22:33:08,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 22:33:08,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 22:33:08,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 22:33:08,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 22:33:08,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:33:08" (1/1) ... [2021-08-25 22:33:08,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e547f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:33:08, skipping insertion in model container [2021-08-25 22:33:08,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:33:08" (1/1) ... [2021-08-25 22:33:08,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 22:33:08,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 22:33:08,298 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label45.c[5621,5634] [2021-08-25 22:33:08,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:33:08,615 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 22:33:08,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label45.c[5621,5634] [2021-08-25 22:33:08,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:33:08,776 INFO L208 MainTranslator]: Completed translation [2021-08-25 22:33:08,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:33:08 WrapperNode [2021-08-25 22:33:08,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 22:33:08,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 22:33:08,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 22:33:08,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 22:33:08,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:33:08" (1/1) ... [2021-08-25 22:33:08,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:33:08" (1/1) ... [2021-08-25 22:33:08,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 22:33:08,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 22:33:08,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 22:33:08,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 22:33:08,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:33:08" (1/1) ... [2021-08-25 22:33:08,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:33:08" (1/1) ... [2021-08-25 22:33:08,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:33:08" (1/1) ... [2021-08-25 22:33:08,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:33:08" (1/1) ... [2021-08-25 22:33:08,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:33:08" (1/1) ... [2021-08-25 22:33:09,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:33:08" (1/1) ... [2021-08-25 22:33:09,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:33:08" (1/1) ... [2021-08-25 22:33:09,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 22:33:09,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 22:33:09,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 22:33:09,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 22:33:09,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:33:08" (1/1) ... [2021-08-25 22:33:09,031 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:33:09,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:33:09,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-25 22:33:09,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-25 22:33:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 22:33:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 22:33:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 22:33:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 22:33:11,033 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 22:33:11,033 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-25 22:33:11,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:33:11 BoogieIcfgContainer [2021-08-25 22:33:11,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 22:33:11,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 22:33:11,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 22:33:11,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 22:33:11,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 10:33:08" (1/3) ... [2021-08-25 22:33:11,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@996c748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:33:11, skipping insertion in model container [2021-08-25 22:33:11,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:33:08" (2/3) ... [2021-08-25 22:33:11,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@996c748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:33:11, skipping insertion in model container [2021-08-25 22:33:11,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:33:11" (3/3) ... [2021-08-25 22:33:11,043 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label45.c [2021-08-25 22:33:11,046 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 22:33:11,046 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 22:33:11,087 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 22:33:11,091 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-25 22:33:11,091 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 22:33:11,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:11,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-08-25 22:33:11,140 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:11,141 INFO L512 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] [2021-08-25 22:33:11,142 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:11,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:11,146 INFO L82 PathProgramCache]: Analyzing trace with hash -92557335, now seen corresponding path program 1 times [2021-08-25 22:33:11,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:11,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677084830] [2021-08-25 22:33:11,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:11,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:11,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:33:11,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:11,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677084830] [2021-08-25 22:33:11,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677084830] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:11,378 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:11,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:33:11,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108456603] [2021-08-25 22:33:11,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:33:11,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:11,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:33:11,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:11,401 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:13,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:13,438 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2021-08-25 22:33:13,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:13,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-08-25 22:33:13,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:13,450 INFO L225 Difference]: With dead ends: 1122 [2021-08-25 22:33:13,450 INFO L226 Difference]: Without dead ends: 662 [2021-08-25 22:33:13,453 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:13,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-08-25 22:33:13,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-08-25 22:33:13,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.518910741301059) internal successors, (1004), 661 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1004 transitions. [2021-08-25 22:33:13,525 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1004 transitions. Word has length 53 [2021-08-25 22:33:13,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:13,526 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1004 transitions. [2021-08-25 22:33:13,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:13,526 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1004 transitions. [2021-08-25 22:33:13,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-08-25 22:33:13,532 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:13,533 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:13,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 22:33:13,533 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:13,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:13,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1686833650, now seen corresponding path program 1 times [2021-08-25 22:33:13,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:13,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132165970] [2021-08-25 22:33:13,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:13,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:13,614 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:33:13,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:13,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132165970] [2021-08-25 22:33:13,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132165970] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:13,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:13,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:33:13,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869439654] [2021-08-25 22:33:13,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:33:13,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:13,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:33:13,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:13,617 INFO L87 Difference]: Start difference. First operand 662 states and 1004 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:15,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:15,541 INFO L93 Difference]: Finished difference Result 1980 states and 3007 transitions. [2021-08-25 22:33:15,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:15,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-08-25 22:33:15,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:15,546 INFO L225 Difference]: With dead ends: 1980 [2021-08-25 22:33:15,546 INFO L226 Difference]: Without dead ends: 1320 [2021-08-25 22:33:15,550 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:15,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-08-25 22:33:15,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-08-25 22:33:15,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.4556482183472328) internal successors, (1920), 1319 states have internal predecessors, (1920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:15,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1920 transitions. [2021-08-25 22:33:15,587 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1920 transitions. Word has length 121 [2021-08-25 22:33:15,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:15,588 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 1920 transitions. [2021-08-25 22:33:15,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:15,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1920 transitions. [2021-08-25 22:33:15,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-08-25 22:33:15,591 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:15,592 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:15,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 22:33:15,593 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:15,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:15,599 INFO L82 PathProgramCache]: Analyzing trace with hash 217031015, now seen corresponding path program 1 times [2021-08-25 22:33:15,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:15,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025752563] [2021-08-25 22:33:15,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:15,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:15,672 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:33:15,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:15,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025752563] [2021-08-25 22:33:15,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025752563] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:15,673 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:15,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:33:15,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737048929] [2021-08-25 22:33:15,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:33:15,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:15,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:33:15,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:15,674 INFO L87 Difference]: Start difference. First operand 1320 states and 1920 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:17,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:17,426 INFO L93 Difference]: Finished difference Result 3954 states and 5755 transitions. [2021-08-25 22:33:17,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:17,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-08-25 22:33:17,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:17,436 INFO L225 Difference]: With dead ends: 3954 [2021-08-25 22:33:17,436 INFO L226 Difference]: Without dead ends: 2636 [2021-08-25 22:33:17,438 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:17,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2021-08-25 22:33:17,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2636. [2021-08-25 22:33:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 2635 states have (on average 1.3240986717267553) internal successors, (3489), 2635 states have internal predecessors, (3489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:17,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3489 transitions. [2021-08-25 22:33:17,476 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3489 transitions. Word has length 132 [2021-08-25 22:33:17,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:17,477 INFO L470 AbstractCegarLoop]: Abstraction has 2636 states and 3489 transitions. [2021-08-25 22:33:17,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:17,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3489 transitions. [2021-08-25 22:33:17,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-08-25 22:33:17,480 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:17,480 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:17,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 22:33:17,481 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:17,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:17,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1823842359, now seen corresponding path program 1 times [2021-08-25 22:33:17,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:17,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448245396] [2021-08-25 22:33:17,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:17,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:17,557 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-08-25 22:33:17,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:17,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448245396] [2021-08-25 22:33:17,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448245396] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:17,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:17,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:33:17,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738736760] [2021-08-25 22:33:17,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:33:17,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:17,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:33:17,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:17,560 INFO L87 Difference]: Start difference. First operand 2636 states and 3489 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:19,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:19,145 INFO L93 Difference]: Finished difference Result 6586 states and 8545 transitions. [2021-08-25 22:33:19,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:19,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2021-08-25 22:33:19,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:19,159 INFO L225 Difference]: With dead ends: 6586 [2021-08-25 22:33:19,160 INFO L226 Difference]: Without dead ends: 3952 [2021-08-25 22:33:19,163 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:19,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-08-25 22:33:19,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-08-25 22:33:19,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.216400911161731) internal successors, (4806), 3951 states have internal predecessors, (4806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:19,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4806 transitions. [2021-08-25 22:33:19,226 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4806 transitions. Word has length 250 [2021-08-25 22:33:19,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:19,228 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4806 transitions. [2021-08-25 22:33:19,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:19,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4806 transitions. [2021-08-25 22:33:19,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-08-25 22:33:19,231 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:19,231 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:19,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 22:33:19,232 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:19,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:19,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1018699418, now seen corresponding path program 1 times [2021-08-25 22:33:19,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:19,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413109008] [2021-08-25 22:33:19,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:19,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:19,446 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:33:19,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:19,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413109008] [2021-08-25 22:33:19,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413109008] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:19,447 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:19,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:33:19,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560810556] [2021-08-25 22:33:19,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:33:19,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:19,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:33:19,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:33:19,449 INFO L87 Difference]: Start difference. First operand 3952 states and 4806 transitions. Second operand has 4 states, 4 states have (on average 74.5) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:21,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:21,151 INFO L93 Difference]: Finished difference Result 8269 states and 9989 transitions. [2021-08-25 22:33:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 22:33:21,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 298 [2021-08-25 22:33:21,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:21,163 INFO L225 Difference]: With dead ends: 8269 [2021-08-25 22:33:21,163 INFO L226 Difference]: Without dead ends: 4319 [2021-08-25 22:33:21,168 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:33:21,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4319 states. [2021-08-25 22:33:21,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4319 to 4281. [2021-08-25 22:33:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.2011682242990653) internal successors, (5141), 4280 states have internal predecessors, (5141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:21,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5141 transitions. [2021-08-25 22:33:21,221 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5141 transitions. Word has length 298 [2021-08-25 22:33:21,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:21,222 INFO L470 AbstractCegarLoop]: Abstraction has 4281 states and 5141 transitions. [2021-08-25 22:33:21,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:21,222 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5141 transitions. [2021-08-25 22:33:21,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-08-25 22:33:21,225 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:21,226 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:21,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 22:33:21,226 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:21,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:21,227 INFO L82 PathProgramCache]: Analyzing trace with hash 622231188, now seen corresponding path program 1 times [2021-08-25 22:33:21,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:21,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266478836] [2021-08-25 22:33:21,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:21,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:21,434 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:33:21,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:21,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266478836] [2021-08-25 22:33:21,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266478836] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:21,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:21,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-25 22:33:21,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158630354] [2021-08-25 22:33:21,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 22:33:21,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:21,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 22:33:21,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:33:21,440 INFO L87 Difference]: Start difference. First operand 4281 states and 5141 transitions. Second operand has 7 states, 7 states have (on average 55.0) internal successors, (385), 6 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:23,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:23,519 INFO L93 Difference]: Finished difference Result 8090 states and 9792 transitions. [2021-08-25 22:33:23,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-25 22:33:23,520 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 55.0) internal successors, (385), 6 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 385 [2021-08-25 22:33:23,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:23,528 INFO L225 Difference]: With dead ends: 8090 [2021-08-25 22:33:23,529 INFO L226 Difference]: Without dead ends: 3952 [2021-08-25 22:33:23,532 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 54.5ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:33:23,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-08-25 22:33:23,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-08-25 22:33:23,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.0802328524424196) internal successors, (4268), 3951 states have internal predecessors, (4268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:23,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4268 transitions. [2021-08-25 22:33:23,571 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4268 transitions. Word has length 385 [2021-08-25 22:33:23,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:23,571 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4268 transitions. [2021-08-25 22:33:23,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 55.0) internal successors, (385), 6 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4268 transitions. [2021-08-25 22:33:23,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2021-08-25 22:33:23,575 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:23,575 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:23,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 22:33:23,575 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:23,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:23,576 INFO L82 PathProgramCache]: Analyzing trace with hash 2063695020, now seen corresponding path program 1 times [2021-08-25 22:33:23,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:23,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719768485] [2021-08-25 22:33:23,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:23,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:23,653 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-08-25 22:33:23,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:23,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719768485] [2021-08-25 22:33:23,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719768485] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:23,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:23,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:33:23,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852355447] [2021-08-25 22:33:23,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:33:23,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:23,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:33:23,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:23,656 INFO L87 Difference]: Start difference. First operand 3952 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:24,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:24,821 INFO L93 Difference]: Finished difference Result 9218 states and 10060 transitions. [2021-08-25 22:33:24,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:24,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 392 [2021-08-25 22:33:24,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:24,834 INFO L225 Difference]: With dead ends: 9218 [2021-08-25 22:33:24,834 INFO L226 Difference]: Without dead ends: 5597 [2021-08-25 22:33:24,837 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:24,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-08-25 22:33:24,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-08-25 22:33:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0748749106504647) internal successors, (6015), 5596 states have internal predecessors, (6015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:24,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6015 transitions. [2021-08-25 22:33:24,892 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6015 transitions. Word has length 392 [2021-08-25 22:33:24,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:24,893 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 6015 transitions. [2021-08-25 22:33:24,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:24,893 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6015 transitions. [2021-08-25 22:33:24,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-08-25 22:33:24,897 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:24,898 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:33:24,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 22:33:24,898 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:24,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:24,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1084367381, now seen corresponding path program 1 times [2021-08-25 22:33:24,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:24,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446746277] [2021-08-25 22:33:24,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:24,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:25,016 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:33:25,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:25,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446746277] [2021-08-25 22:33:25,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446746277] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:25,017 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:25,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:33:25,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533399283] [2021-08-25 22:33:25,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:33:25,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:25,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:33:25,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:25,019 INFO L87 Difference]: Start difference. First operand 5597 states and 6015 transitions. Second operand has 3 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:26,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:26,143 INFO L93 Difference]: Finished difference Result 10863 states and 11697 transitions. [2021-08-25 22:33:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:26,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 447 [2021-08-25 22:33:26,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:26,156 INFO L225 Difference]: With dead ends: 10863 [2021-08-25 22:33:26,156 INFO L226 Difference]: Without dead ends: 5597 [2021-08-25 22:33:26,161 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:26,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-08-25 22:33:26,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-08-25 22:33:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0620085775553967) internal successors, (5943), 5596 states have internal predecessors, (5943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:26,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 5943 transitions. [2021-08-25 22:33:26,239 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 5943 transitions. Word has length 447 [2021-08-25 22:33:26,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:26,239 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 5943 transitions. [2021-08-25 22:33:26,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:26,240 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 5943 transitions. [2021-08-25 22:33:26,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2021-08-25 22:33:26,246 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:26,247 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:26,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-25 22:33:26,247 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:26,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:26,248 INFO L82 PathProgramCache]: Analyzing trace with hash 626368597, now seen corresponding path program 1 times [2021-08-25 22:33:26,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:26,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843837111] [2021-08-25 22:33:26,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:26,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:26,414 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:33:26,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:26,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843837111] [2021-08-25 22:33:26,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843837111] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:26,415 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:26,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:33:26,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098762840] [2021-08-25 22:33:26,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:33:26,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:26,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:33:26,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:33:26,418 INFO L87 Difference]: Start difference. First operand 5597 states and 5943 transitions. Second operand has 4 states, 4 states have (on average 132.75) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:28,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:28,602 INFO L93 Difference]: Finished difference Result 16458 states and 17513 transitions. [2021-08-25 22:33:28,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:33:28,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 132.75) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 531 [2021-08-25 22:33:28,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:28,618 INFO L225 Difference]: With dead ends: 16458 [2021-08-25 22:33:28,618 INFO L226 Difference]: Without dead ends: 11192 [2021-08-25 22:33:28,622 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:33:28,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11192 states. [2021-08-25 22:33:28,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11192 to 10861. [2021-08-25 22:33:28,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10861 states, 10860 states have (on average 1.0593001841620626) internal successors, (11504), 10860 states have internal predecessors, (11504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:28,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 11504 transitions. [2021-08-25 22:33:28,733 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 11504 transitions. Word has length 531 [2021-08-25 22:33:28,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:28,734 INFO L470 AbstractCegarLoop]: Abstraction has 10861 states and 11504 transitions. [2021-08-25 22:33:28,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 132.75) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 11504 transitions. [2021-08-25 22:33:28,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2021-08-25 22:33:28,738 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:28,738 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:28,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-25 22:33:28,739 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:28,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:28,739 INFO L82 PathProgramCache]: Analyzing trace with hash -755580404, now seen corresponding path program 1 times [2021-08-25 22:33:28,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:28,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322523553] [2021-08-25 22:33:28,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:28,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:28,893 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-08-25 22:33:28,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:28,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322523553] [2021-08-25 22:33:28,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322523553] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:28,894 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:28,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:33:28,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561663452] [2021-08-25 22:33:28,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:33:28,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:28,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:33:28,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:28,898 INFO L87 Difference]: Start difference. First operand 10861 states and 11504 transitions. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:30,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:30,112 INFO L93 Difference]: Finished difference Result 24023 states and 25475 transitions. [2021-08-25 22:33:30,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:30,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 551 [2021-08-25 22:33:30,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:30,133 INFO L225 Difference]: With dead ends: 24023 [2021-08-25 22:33:30,133 INFO L226 Difference]: Without dead ends: 13822 [2021-08-25 22:33:30,143 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:30,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-08-25 22:33:30,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13164. [2021-08-25 22:33:30,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.055306541062068) internal successors, (13891), 13163 states have internal predecessors, (13891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:30,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13891 transitions. [2021-08-25 22:33:30,305 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13891 transitions. Word has length 551 [2021-08-25 22:33:30,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:30,305 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13891 transitions. [2021-08-25 22:33:30,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:30,306 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13891 transitions. [2021-08-25 22:33:30,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2021-08-25 22:33:30,310 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:30,310 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-25 22:33:30,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-25 22:33:30,311 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:30,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:30,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1058740133, now seen corresponding path program 1 times [2021-08-25 22:33:30,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:30,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823003710] [2021-08-25 22:33:30,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:30,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:30,464 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-08-25 22:33:30,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:30,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823003710] [2021-08-25 22:33:30,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823003710] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:30,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:30,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:33:30,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376319325] [2021-08-25 22:33:30,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:33:30,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:30,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:33:30,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:33:30,467 INFO L87 Difference]: Start difference. First operand 13164 states and 13891 transitions. Second operand has 4 states, 4 states have (on average 138.75) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:31,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:31,586 INFO L93 Difference]: Finished difference Result 25668 states and 27112 transitions. [2021-08-25 22:33:31,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:31,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 138.75) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 605 [2021-08-25 22:33:31,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:31,605 INFO L225 Difference]: With dead ends: 25668 [2021-08-25 22:33:31,606 INFO L226 Difference]: Without dead ends: 13164 [2021-08-25 22:33:31,614 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:33:31,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-08-25 22:33:31,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2021-08-25 22:33:31,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0550026589683204) internal successors, (13887), 13163 states have internal predecessors, (13887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13887 transitions. [2021-08-25 22:33:31,748 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13887 transitions. Word has length 605 [2021-08-25 22:33:31,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:31,749 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13887 transitions. [2021-08-25 22:33:31,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 138.75) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:31,749 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13887 transitions. [2021-08-25 22:33:31,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2021-08-25 22:33:31,754 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:31,755 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:31,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-25 22:33:31,755 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:31,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:31,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1463765033, now seen corresponding path program 1 times [2021-08-25 22:33:31,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:31,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310043706] [2021-08-25 22:33:31,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:31,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:31,902 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2021-08-25 22:33:31,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:31,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310043706] [2021-08-25 22:33:31,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310043706] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:31,904 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:31,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:33:31,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588733598] [2021-08-25 22:33:31,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:33:31,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:31,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:33:31,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:31,906 INFO L87 Difference]: Start difference. First operand 13164 states and 13887 transitions. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:33,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:33,005 INFO L93 Difference]: Finished difference Result 25668 states and 27108 transitions. [2021-08-25 22:33:33,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:33,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 666 [2021-08-25 22:33:33,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:33,022 INFO L225 Difference]: With dead ends: 25668 [2021-08-25 22:33:33,023 INFO L226 Difference]: Without dead ends: 13164 [2021-08-25 22:33:33,032 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:33,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-08-25 22:33:33,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 11848. [2021-08-25 22:33:33,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 1.052924791086351) internal successors, (12474), 11847 states have internal predecessors, (12474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:33,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12474 transitions. [2021-08-25 22:33:33,146 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12474 transitions. Word has length 666 [2021-08-25 22:33:33,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:33,147 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 12474 transitions. [2021-08-25 22:33:33,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:33,147 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12474 transitions. [2021-08-25 22:33:33,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 856 [2021-08-25 22:33:33,158 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:33,159 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:33,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-25 22:33:33,160 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:33,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:33,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1622375760, now seen corresponding path program 1 times [2021-08-25 22:33:33,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:33,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285681123] [2021-08-25 22:33:33,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:33,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1361 backedges. 937 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2021-08-25 22:33:33,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:33,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285681123] [2021-08-25 22:33:33,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285681123] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:33,375 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:33,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:33:33,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474587538] [2021-08-25 22:33:33,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:33:33,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:33,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:33:33,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:33,377 INFO L87 Difference]: Start difference. First operand 11848 states and 12474 transitions. Second operand has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:34,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:34,539 INFO L93 Difference]: Finished difference Result 25997 states and 27429 transitions. [2021-08-25 22:33:34,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:34,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 855 [2021-08-25 22:33:34,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:34,558 INFO L225 Difference]: With dead ends: 25997 [2021-08-25 22:33:34,558 INFO L226 Difference]: Without dead ends: 14809 [2021-08-25 22:33:34,566 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:34,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2021-08-25 22:33:34,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14151. [2021-08-25 22:33:34,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14151 states, 14150 states have (on average 1.0501766784452298) internal successors, (14860), 14150 states have internal predecessors, (14860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:34,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14151 states to 14151 states and 14860 transitions. [2021-08-25 22:33:34,733 INFO L78 Accepts]: Start accepts. Automaton has 14151 states and 14860 transitions. Word has length 855 [2021-08-25 22:33:34,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:34,734 INFO L470 AbstractCegarLoop]: Abstraction has 14151 states and 14860 transitions. [2021-08-25 22:33:34,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:34,734 INFO L276 IsEmpty]: Start isEmpty. Operand 14151 states and 14860 transitions. [2021-08-25 22:33:34,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 865 [2021-08-25 22:33:34,744 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:34,745 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:34,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-25 22:33:34,745 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:34,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:34,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1511376673, now seen corresponding path program 1 times [2021-08-25 22:33:34,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:34,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481233091] [2021-08-25 22:33:34,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:34,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:34,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 923 trivial. 0 not checked. [2021-08-25 22:33:34,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:34,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481233091] [2021-08-25 22:33:34,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481233091] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:34,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:34,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:33:34,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382293487] [2021-08-25 22:33:34,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:33:34,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:34,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:33:34,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:34,919 INFO L87 Difference]: Start difference. First operand 14151 states and 14860 transitions. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:36,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:36,060 INFO L93 Difference]: Finished difference Result 27642 states and 29054 transitions. [2021-08-25 22:33:36,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:36,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 864 [2021-08-25 22:33:36,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:36,077 INFO L225 Difference]: With dead ends: 27642 [2021-08-25 22:33:36,077 INFO L226 Difference]: Without dead ends: 14151 [2021-08-25 22:33:36,085 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:36,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14151 states. [2021-08-25 22:33:36,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14151 to 14151. [2021-08-25 22:33:36,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14151 states, 14150 states have (on average 1.0430388692579506) internal successors, (14759), 14150 states have internal predecessors, (14759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:36,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14151 states to 14151 states and 14759 transitions. [2021-08-25 22:33:36,241 INFO L78 Accepts]: Start accepts. Automaton has 14151 states and 14759 transitions. Word has length 864 [2021-08-25 22:33:36,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:36,241 INFO L470 AbstractCegarLoop]: Abstraction has 14151 states and 14759 transitions. [2021-08-25 22:33:36,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:36,242 INFO L276 IsEmpty]: Start isEmpty. Operand 14151 states and 14759 transitions. [2021-08-25 22:33:36,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 882 [2021-08-25 22:33:36,252 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:36,252 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:36,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-25 22:33:36,253 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:36,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:36,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1699135574, now seen corresponding path program 1 times [2021-08-25 22:33:36,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:36,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40597654] [2021-08-25 22:33:36,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:36,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1135 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2021-08-25 22:33:36,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:36,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40597654] [2021-08-25 22:33:36,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40597654] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:36,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:36,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:33:36,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991229465] [2021-08-25 22:33:36,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:33:36,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:36,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:33:36,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:36,429 INFO L87 Difference]: Start difference. First operand 14151 states and 14759 transitions. Second operand has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:37,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:37,603 INFO L93 Difference]: Finished difference Result 33564 states and 35105 transitions. [2021-08-25 22:33:37,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:37,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 881 [2021-08-25 22:33:37,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:37,618 INFO L225 Difference]: With dead ends: 33564 [2021-08-25 22:33:37,618 INFO L226 Difference]: Without dead ends: 17770 [2021-08-25 22:33:37,626 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:37,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-08-25 22:33:37,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 17112. [2021-08-25 22:33:37,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0351236046987318) internal successors, (17712), 17111 states have internal predecessors, (17712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:37,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17712 transitions. [2021-08-25 22:33:37,782 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17712 transitions. Word has length 881 [2021-08-25 22:33:37,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:37,783 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17712 transitions. [2021-08-25 22:33:37,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:37,783 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17712 transitions. [2021-08-25 22:33:37,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1138 [2021-08-25 22:33:37,800 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:37,801 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:37,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-25 22:33:37,801 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:37,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:37,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1657609204, now seen corresponding path program 1 times [2021-08-25 22:33:37,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:37,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856468744] [2021-08-25 22:33:37,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:37,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2568 backedges. 1802 proven. 0 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2021-08-25 22:33:38,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:38,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856468744] [2021-08-25 22:33:38,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856468744] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:38,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:38,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:33:38,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369829970] [2021-08-25 22:33:38,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:33:38,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:38,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:33:38,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:38,083 INFO L87 Difference]: Start difference. First operand 17112 states and 17712 transitions. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:39,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:39,240 INFO L93 Difference]: Finished difference Result 33564 states and 34758 transitions. [2021-08-25 22:33:39,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:39,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1137 [2021-08-25 22:33:39,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:39,256 INFO L225 Difference]: With dead ends: 33564 [2021-08-25 22:33:39,256 INFO L226 Difference]: Without dead ends: 17112 [2021-08-25 22:33:39,266 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:39,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-08-25 22:33:39,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 15796. [2021-08-25 22:33:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.0302627413738525) internal successors, (16273), 15795 states have internal predecessors, (16273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:39,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16273 transitions. [2021-08-25 22:33:39,403 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16273 transitions. Word has length 1137 [2021-08-25 22:33:39,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:39,403 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16273 transitions. [2021-08-25 22:33:39,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:39,404 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16273 transitions. [2021-08-25 22:33:39,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1139 [2021-08-25 22:33:39,424 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:39,424 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:39,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 22:33:39,425 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:39,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:39,425 INFO L82 PathProgramCache]: Analyzing trace with hash -13659875, now seen corresponding path program 1 times [2021-08-25 22:33:39,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:39,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481214786] [2021-08-25 22:33:39,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:39,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2574 backedges. 761 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2021-08-25 22:33:39,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:39,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481214786] [2021-08-25 22:33:39,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481214786] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:39,689 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:39,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:33:39,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071257727] [2021-08-25 22:33:39,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:33:39,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:39,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:33:39,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:39,691 INFO L87 Difference]: Start difference. First operand 15796 states and 16273 transitions. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:40,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:40,837 INFO L93 Difference]: Finished difference Result 33893 states and 34974 transitions. [2021-08-25 22:33:40,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:40,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1138 [2021-08-25 22:33:40,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:40,854 INFO L225 Difference]: With dead ends: 33893 [2021-08-25 22:33:40,854 INFO L226 Difference]: Without dead ends: 16454 [2021-08-25 22:33:40,865 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:40,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2021-08-25 22:33:40,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 13822. [2021-08-25 22:33:40,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0260473192967223) internal successors, (14181), 13821 states have internal predecessors, (14181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:40,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14181 transitions. [2021-08-25 22:33:40,982 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14181 transitions. Word has length 1138 [2021-08-25 22:33:40,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:40,983 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14181 transitions. [2021-08-25 22:33:40,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:40,983 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14181 transitions. [2021-08-25 22:33:41,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1267 [2021-08-25 22:33:41,000 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:41,001 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:41,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-25 22:33:41,001 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:41,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:41,002 INFO L82 PathProgramCache]: Analyzing trace with hash 2001838566, now seen corresponding path program 1 times [2021-08-25 22:33:41,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:41,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945455124] [2021-08-25 22:33:41,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:41,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2894 backedges. 2064 proven. 0 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2021-08-25 22:33:41,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:41,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945455124] [2021-08-25 22:33:41,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945455124] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:41,383 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:41,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-25 22:33:41,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013982437] [2021-08-25 22:33:41,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-25 22:33:41,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:41,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-25 22:33:41,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:33:41,387 INFO L87 Difference]: Start difference. First operand 13822 states and 14181 transitions. Second operand has 6 states, 6 states have (on average 122.16666666666667) internal successors, (733), 6 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:42,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:42,723 INFO L93 Difference]: Finished difference Result 27093 states and 27805 transitions. [2021-08-25 22:33:42,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-25 22:33:42,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 122.16666666666667) internal successors, (733), 6 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1266 [2021-08-25 22:33:42,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:42,735 INFO L225 Difference]: With dead ends: 27093 [2021-08-25 22:33:42,735 INFO L226 Difference]: Without dead ends: 13931 [2021-08-25 22:33:42,742 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 57.7ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:33:42,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13931 states. [2021-08-25 22:33:42,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13931 to 13822. [2021-08-25 22:33:42,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.02575790463787) internal successors, (14177), 13821 states have internal predecessors, (14177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:42,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14177 transitions. [2021-08-25 22:33:42,869 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14177 transitions. Word has length 1266 [2021-08-25 22:33:42,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:42,869 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14177 transitions. [2021-08-25 22:33:42,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 122.16666666666667) internal successors, (733), 6 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:42,869 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14177 transitions. [2021-08-25 22:33:42,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1281 [2021-08-25 22:33:42,885 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:42,885 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:42,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-25 22:33:42,886 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:42,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:42,886 INFO L82 PathProgramCache]: Analyzing trace with hash 885469966, now seen corresponding path program 1 times [2021-08-25 22:33:42,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:42,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994024519] [2021-08-25 22:33:42,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:42,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2768 backedges. 1975 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2021-08-25 22:33:43,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:43,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994024519] [2021-08-25 22:33:43,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994024519] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:43,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:43,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:33:43,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903621080] [2021-08-25 22:33:43,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:33:43,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:43,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:33:43,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:43,162 INFO L87 Difference]: Start difference. First operand 13822 states and 14177 transitions. Second operand has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:44,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:44,172 INFO L93 Difference]: Finished difference Result 26984 states and 27688 transitions. [2021-08-25 22:33:44,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:44,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1280 [2021-08-25 22:33:44,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:44,184 INFO L225 Difference]: With dead ends: 26984 [2021-08-25 22:33:44,184 INFO L226 Difference]: Without dead ends: 13822 [2021-08-25 22:33:44,191 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:44,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-08-25 22:33:44,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13822. [2021-08-25 22:33:44,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0254684899790174) internal successors, (14173), 13821 states have internal predecessors, (14173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:44,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14173 transitions. [2021-08-25 22:33:44,337 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14173 transitions. Word has length 1280 [2021-08-25 22:33:44,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:44,337 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14173 transitions. [2021-08-25 22:33:44,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:44,338 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14173 transitions. [2021-08-25 22:33:44,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1296 [2021-08-25 22:33:44,355 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:44,356 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:44,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-25 22:33:44,356 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:44,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:44,356 INFO L82 PathProgramCache]: Analyzing trace with hash 273200206, now seen corresponding path program 1 times [2021-08-25 22:33:44,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:44,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325995466] [2021-08-25 22:33:44,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:44,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3589 backedges. 2122 proven. 0 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2021-08-25 22:33:44,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:44,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325995466] [2021-08-25 22:33:44,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325995466] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:44,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:44,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:33:44,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857438023] [2021-08-25 22:33:44,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:33:44,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:44,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:33:44,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:44,639 INFO L87 Difference]: Start difference. First operand 13822 states and 14173 transitions. Second operand has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:45,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:45,798 INFO L93 Difference]: Finished difference Result 27642 states and 28346 transitions. [2021-08-25 22:33:45,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:45,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1295 [2021-08-25 22:33:45,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:45,815 INFO L225 Difference]: With dead ends: 27642 [2021-08-25 22:33:45,815 INFO L226 Difference]: Without dead ends: 14480 [2021-08-25 22:33:45,823 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:45,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-08-25 22:33:45,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 14480. [2021-08-25 22:33:45,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0245873333793771) internal successors, (14835), 14479 states have internal predecessors, (14835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:45,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14835 transitions. [2021-08-25 22:33:45,926 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14835 transitions. Word has length 1295 [2021-08-25 22:33:45,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:45,927 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 14835 transitions. [2021-08-25 22:33:45,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:45,927 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14835 transitions. [2021-08-25 22:33:45,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1321 [2021-08-25 22:33:45,942 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:45,942 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:45,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-25 22:33:45,943 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:45,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:45,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1083549741, now seen corresponding path program 1 times [2021-08-25 22:33:45,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:45,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973028348] [2021-08-25 22:33:45,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:45,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3137 backedges. 2174 proven. 0 refuted. 0 times theorem prover too weak. 963 trivial. 0 not checked. [2021-08-25 22:33:46,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:46,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973028348] [2021-08-25 22:33:46,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973028348] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:46,388 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:46,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:33:46,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276487361] [2021-08-25 22:33:46,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:33:46,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:46,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:33:46,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:33:46,391 INFO L87 Difference]: Start difference. First operand 14480 states and 14835 transitions. Second operand has 4 states, 4 states have (on average 183.25) internal successors, (733), 4 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:47,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:47,827 INFO L93 Difference]: Finished difference Result 28414 states and 29118 transitions. [2021-08-25 22:33:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 22:33:47,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 183.25) internal successors, (733), 4 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1320 [2021-08-25 22:33:47,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:47,840 INFO L225 Difference]: With dead ends: 28414 [2021-08-25 22:33:47,840 INFO L226 Difference]: Without dead ends: 14594 [2021-08-25 22:33:47,848 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:33:47,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14594 states. [2021-08-25 22:33:47,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14594 to 14480. [2021-08-25 22:33:47,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0238966779473722) internal successors, (14825), 14479 states have internal predecessors, (14825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:47,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14825 transitions. [2021-08-25 22:33:47,954 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14825 transitions. Word has length 1320 [2021-08-25 22:33:47,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:47,954 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 14825 transitions. [2021-08-25 22:33:47,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 183.25) internal successors, (733), 4 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:47,955 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14825 transitions. [2021-08-25 22:33:47,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1350 [2021-08-25 22:33:47,970 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:47,971 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:47,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-25 22:33:47,971 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:47,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:47,972 INFO L82 PathProgramCache]: Analyzing trace with hash -2113194585, now seen corresponding path program 1 times [2021-08-25 22:33:47,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:47,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750646187] [2021-08-25 22:33:47,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:47,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:48,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3608 backedges. 880 proven. 0 refuted. 0 times theorem prover too weak. 2728 trivial. 0 not checked. [2021-08-25 22:33:48,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:48,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750646187] [2021-08-25 22:33:48,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750646187] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:33:48,263 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:33:48,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:33:48,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221806362] [2021-08-25 22:33:48,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:33:48,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:33:48,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:33:48,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:48,265 INFO L87 Difference]: Start difference. First operand 14480 states and 14825 transitions. Second operand has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:49,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:33:49,351 INFO L93 Difference]: Finished difference Result 28629 states and 29317 transitions. [2021-08-25 22:33:49,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:33:49,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1349 [2021-08-25 22:33:49,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:33:49,364 INFO L225 Difference]: With dead ends: 28629 [2021-08-25 22:33:49,365 INFO L226 Difference]: Without dead ends: 14480 [2021-08-25 22:33:49,372 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:33:49,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-08-25 22:33:49,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 13822. [2021-08-25 22:33:49,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0183778308371318) internal successors, (14075), 13821 states have internal predecessors, (14075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:49,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14075 transitions. [2021-08-25 22:33:49,474 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14075 transitions. Word has length 1349 [2021-08-25 22:33:49,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:33:49,474 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14075 transitions. [2021-08-25 22:33:49,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:33:49,474 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14075 transitions. [2021-08-25 22:33:49,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1448 [2021-08-25 22:33:49,491 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:33:49,491 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:33:49,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-25 22:33:49,492 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:33:49,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:33:49,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1726997540, now seen corresponding path program 1 times [2021-08-25 22:33:49,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:33:49,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36233439] [2021-08-25 22:33:49,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:49,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:33:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:49,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4081 backedges. 2460 proven. 66 refuted. 0 times theorem prover too weak. 1555 trivial. 0 not checked. [2021-08-25 22:33:49,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:33:49,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36233439] [2021-08-25 22:33:49,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36233439] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:33:49,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127603698] [2021-08-25 22:33:49,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:33:49,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:33:49,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:33:49,864 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:33:49,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-25 22:33:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:33:50,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 1702 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-25 22:33:50,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:34:01,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4081 backedges. 1903 proven. 201 refuted. 0 times theorem prover too weak. 1977 trivial. 0 not checked. [2021-08-25 22:34:01,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127603698] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:34:01,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:34:01,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2021-08-25 22:34:01,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888931351] [2021-08-25 22:34:01,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 22:34:01,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:34:01,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 22:34:01,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:34:01,089 INFO L87 Difference]: Start difference. First operand 13822 states and 14075 transitions. Second operand has 7 states, 7 states have (on average 179.57142857142858) internal successors, (1257), 6 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:05,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:34:05,648 INFO L93 Difference]: Finished difference Result 36527 states and 37179 transitions. [2021-08-25 22:34:05,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-25 22:34:05,649 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 179.57142857142858) internal successors, (1257), 6 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1447 [2021-08-25 22:34:05,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:34:05,667 INFO L225 Difference]: With dead ends: 36527 [2021-08-25 22:34:05,668 INFO L226 Difference]: Without dead ends: 23365 [2021-08-25 22:34:05,676 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1452 GetRequests, 1445 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 68.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-25 22:34:05,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23365 states. [2021-08-25 22:34:05,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23365 to 16783. [2021-08-25 22:34:05,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0179954713383388) internal successors, (17084), 16782 states have internal predecessors, (17084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:05,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17084 transitions. [2021-08-25 22:34:05,838 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17084 transitions. Word has length 1447 [2021-08-25 22:34:05,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:34:05,838 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17084 transitions. [2021-08-25 22:34:05,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 179.57142857142858) internal successors, (1257), 6 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:05,839 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17084 transitions. [2021-08-25 22:34:05,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1541 [2021-08-25 22:34:05,861 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:34:05,861 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:34:05,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-25 22:34:06,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-08-25 22:34:06,071 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:34:06,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:34:06,071 INFO L82 PathProgramCache]: Analyzing trace with hash 272130667, now seen corresponding path program 1 times [2021-08-25 22:34:06,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:34:06,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083343370] [2021-08-25 22:34:06,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:34:06,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:34:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:34:06,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4985 backedges. 2829 proven. 0 refuted. 0 times theorem prover too weak. 2156 trivial. 0 not checked. [2021-08-25 22:34:06,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:34:06,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083343370] [2021-08-25 22:34:06,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083343370] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:34:06,402 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:34:06,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:34:06,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627053279] [2021-08-25 22:34:06,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:34:06,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:34:06,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:34:06,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:34:06,404 INFO L87 Difference]: Start difference. First operand 16783 states and 17084 transitions. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:07,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:34:07,532 INFO L93 Difference]: Finished difference Result 36198 states and 36845 transitions. [2021-08-25 22:34:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:34:07,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1540 [2021-08-25 22:34:07,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:34:07,550 INFO L225 Difference]: With dead ends: 36198 [2021-08-25 22:34:07,551 INFO L226 Difference]: Without dead ends: 20075 [2021-08-25 22:34:07,561 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:34:07,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20075 states. [2021-08-25 22:34:07,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20075 to 17770. [2021-08-25 22:34:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17770 states, 17769 states have (on average 1.0177275029545838) internal successors, (18084), 17769 states have internal predecessors, (18084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:07,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17770 states to 17770 states and 18084 transitions. [2021-08-25 22:34:07,757 INFO L78 Accepts]: Start accepts. Automaton has 17770 states and 18084 transitions. Word has length 1540 [2021-08-25 22:34:07,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:34:07,757 INFO L470 AbstractCegarLoop]: Abstraction has 17770 states and 18084 transitions. [2021-08-25 22:34:07,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:07,757 INFO L276 IsEmpty]: Start isEmpty. Operand 17770 states and 18084 transitions. [2021-08-25 22:34:07,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1544 [2021-08-25 22:34:07,777 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:34:07,778 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:34:07,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-25 22:34:07,778 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:34:07,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:34:07,779 INFO L82 PathProgramCache]: Analyzing trace with hash -655732975, now seen corresponding path program 1 times [2021-08-25 22:34:07,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:34:07,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555281855] [2021-08-25 22:34:07,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:34:07,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:34:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:34:08,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4869 backedges. 2675 proven. 258 refuted. 0 times theorem prover too weak. 1936 trivial. 0 not checked. [2021-08-25 22:34:08,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:34:08,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555281855] [2021-08-25 22:34:08,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555281855] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:34:08,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004493511] [2021-08-25 22:34:08,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:34:08,194 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:34:08,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:34:08,202 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:34:08,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-25 22:34:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:34:10,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 1822 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 22:34:10,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:34:15,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4869 backedges. 2838 proven. 0 refuted. 0 times theorem prover too weak. 2031 trivial. 0 not checked. [2021-08-25 22:34:15,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004493511] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:34:15,100 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:34:15,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-08-25 22:34:15,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375886126] [2021-08-25 22:34:15,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:34:15,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:34:15,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:34:15,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:34:15,102 INFO L87 Difference]: Start difference. First operand 17770 states and 18084 transitions. Second operand has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:16,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:34:16,182 INFO L93 Difference]: Finished difference Result 34880 states and 35504 transitions. [2021-08-25 22:34:16,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:34:16,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1543 [2021-08-25 22:34:16,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:34:16,205 INFO L225 Difference]: With dead ends: 34880 [2021-08-25 22:34:16,206 INFO L226 Difference]: Without dead ends: 17770 [2021-08-25 22:34:16,215 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1548 GetRequests, 1542 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 52.7ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:34:16,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-08-25 22:34:16,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 17112. [2021-08-25 22:34:16,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0168897200631173) internal successors, (17400), 17111 states have internal predecessors, (17400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:16,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17400 transitions. [2021-08-25 22:34:16,346 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17400 transitions. Word has length 1543 [2021-08-25 22:34:16,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:34:16,346 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17400 transitions. [2021-08-25 22:34:16,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:16,347 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17400 transitions. [2021-08-25 22:34:16,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1582 [2021-08-25 22:34:16,368 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:34:16,368 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:34:16,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-25 22:34:16,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-08-25 22:34:16,569 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:34:16,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:34:16,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1080078241, now seen corresponding path program 1 times [2021-08-25 22:34:16,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:34:16,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564300074] [2021-08-25 22:34:16,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:34:16,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:34:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:34:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2680 proven. 40 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2021-08-25 22:34:17,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:34:17,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564300074] [2021-08-25 22:34:17,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564300074] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:34:17,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978751552] [2021-08-25 22:34:17,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:34:17,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:34:17,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:34:17,037 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:34:17,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-25 22:34:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:34:19,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 1884 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 22:34:19,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:34:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2700 proven. 0 refuted. 0 times theorem prover too weak. 2990 trivial. 0 not checked. [2021-08-25 22:34:25,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978751552] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:34:25,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:34:25,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-25 22:34:25,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128718386] [2021-08-25 22:34:25,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:34:25,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:34:25,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:34:25,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:34:25,932 INFO L87 Difference]: Start difference. First operand 17112 states and 17400 transitions. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:26,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:34:26,951 INFO L93 Difference]: Finished difference Result 33564 states and 34136 transitions. [2021-08-25 22:34:26,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:34:26,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1581 [2021-08-25 22:34:26,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:34:26,970 INFO L225 Difference]: With dead ends: 33564 [2021-08-25 22:34:26,970 INFO L226 Difference]: Without dead ends: 17112 [2021-08-25 22:34:26,979 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1588 GetRequests, 1585 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.2ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:34:26,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-08-25 22:34:27,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 17112. [2021-08-25 22:34:27,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0166559523113787) internal successors, (17396), 17111 states have internal predecessors, (17396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17396 transitions. [2021-08-25 22:34:27,131 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17396 transitions. Word has length 1581 [2021-08-25 22:34:27,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:34:27,132 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17396 transitions. [2021-08-25 22:34:27,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:27,132 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17396 transitions. [2021-08-25 22:34:27,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2115 [2021-08-25 22:34:27,163 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:34:27,163 INFO L512 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2021-08-25 22:34:27,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-25 22:34:27,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:34:27,373 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:34:27,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:34:27,374 INFO L82 PathProgramCache]: Analyzing trace with hash -726323667, now seen corresponding path program 1 times [2021-08-25 22:34:27,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:34:27,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275002360] [2021-08-25 22:34:27,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:34:27,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:34:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:34:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 9514 backedges. 6674 proven. 140 refuted. 0 times theorem prover too weak. 2700 trivial. 0 not checked. [2021-08-25 22:34:27,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:34:27,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275002360] [2021-08-25 22:34:27,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275002360] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:34:27,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595255465] [2021-08-25 22:34:27,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:34:27,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:34:27,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:34:27,982 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:34:27,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-25 22:34:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:34:31,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 2489 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 22:34:31,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:34:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 9514 backedges. 5470 proven. 0 refuted. 0 times theorem prover too weak. 4044 trivial. 0 not checked. [2021-08-25 22:34:38,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595255465] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:34:38,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:34:38,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-08-25 22:34:38,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115729462] [2021-08-25 22:34:38,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:34:38,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:34:38,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:34:38,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:34:38,637 INFO L87 Difference]: Start difference. First operand 17112 states and 17396 transitions. Second operand has 3 states, 3 states have (on average 212.33333333333334) internal successors, (637), 3 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:39,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:34:39,986 INFO L93 Difference]: Finished difference Result 35867 states and 36471 transitions. [2021-08-25 22:34:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:34:39,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 212.33333333333334) internal successors, (637), 3 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2114 [2021-08-25 22:34:39,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:34:40,005 INFO L225 Difference]: With dead ends: 35867 [2021-08-25 22:34:40,005 INFO L226 Difference]: Without dead ends: 19415 [2021-08-25 22:34:40,016 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2119 GetRequests, 2114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 42.0ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:34:40,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19415 states. [2021-08-25 22:34:40,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19415 to 18428. [2021-08-25 22:34:40,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18428 states, 18427 states have (on average 1.0162261898301406) internal successors, (18726), 18427 states have internal predecessors, (18726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:40,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18428 states to 18428 states and 18726 transitions. [2021-08-25 22:34:40,219 INFO L78 Accepts]: Start accepts. Automaton has 18428 states and 18726 transitions. Word has length 2114 [2021-08-25 22:34:40,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:34:40,220 INFO L470 AbstractCegarLoop]: Abstraction has 18428 states and 18726 transitions. [2021-08-25 22:34:40,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.33333333333334) internal successors, (637), 3 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:40,221 INFO L276 IsEmpty]: Start isEmpty. Operand 18428 states and 18726 transitions. [2021-08-25 22:34:40,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2146 [2021-08-25 22:34:40,253 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:34:40,254 INFO L512 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-25 22:34:40,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-25 22:34:40,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-08-25 22:34:40,454 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:34:40,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:34:40,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1235114076, now seen corresponding path program 1 times [2021-08-25 22:34:40,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:34:40,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998869978] [2021-08-25 22:34:40,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:34:40,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:34:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:34:41,063 INFO L134 CoverageAnalysis]: Checked inductivity of 9951 backedges. 7282 proven. 78 refuted. 0 times theorem prover too weak. 2591 trivial. 0 not checked. [2021-08-25 22:34:41,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:34:41,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998869978] [2021-08-25 22:34:41,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998869978] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:34:41,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921893497] [2021-08-25 22:34:41,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:34:41,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:34:41,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:34:41,065 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:34:41,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-25 22:34:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:34:46,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 2523 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 22:34:46,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:34:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 9951 backedges. 1476 proven. 0 refuted. 0 times theorem prover too weak. 8475 trivial. 0 not checked. [2021-08-25 22:34:54,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921893497] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:34:54,798 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:34:54,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2021-08-25 22:34:54,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476775008] [2021-08-25 22:34:54,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:34:54,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:34:54,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:34:54,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:34:54,800 INFO L87 Difference]: Start difference. First operand 18428 states and 18726 transitions. Second operand has 4 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:56,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:34:56,886 INFO L93 Difference]: Finished difference Result 40473 states and 41132 transitions. [2021-08-25 22:34:56,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:34:56,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2145 [2021-08-25 22:34:56,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:34:56,907 INFO L225 Difference]: With dead ends: 40473 [2021-08-25 22:34:56,908 INFO L226 Difference]: Without dead ends: 22705 [2021-08-25 22:34:56,918 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2150 GetRequests, 2144 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 53.6ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:34:56,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22705 states. [2021-08-25 22:34:57,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22705 to 18757. [2021-08-25 22:34:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18757 states, 18756 states have (on average 1.0158882490936234) internal successors, (19054), 18756 states have internal predecessors, (19054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:57,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18757 states to 18757 states and 19054 transitions. [2021-08-25 22:34:57,069 INFO L78 Accepts]: Start accepts. Automaton has 18757 states and 19054 transitions. Word has length 2145 [2021-08-25 22:34:57,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:34:57,070 INFO L470 AbstractCegarLoop]: Abstraction has 18757 states and 19054 transitions. [2021-08-25 22:34:57,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:57,071 INFO L276 IsEmpty]: Start isEmpty. Operand 18757 states and 19054 transitions. [2021-08-25 22:34:57,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2200 [2021-08-25 22:34:57,103 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:34:57,104 INFO L512 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-08-25 22:34:57,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-25 22:34:57,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-08-25 22:34:57,313 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:34:57,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:34:57,314 INFO L82 PathProgramCache]: Analyzing trace with hash 226131253, now seen corresponding path program 1 times [2021-08-25 22:34:57,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:34:57,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400335668] [2021-08-25 22:34:57,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:34:57,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:34:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:34:58,039 INFO L134 CoverageAnalysis]: Checked inductivity of 10264 backedges. 2515 proven. 0 refuted. 0 times theorem prover too weak. 7749 trivial. 0 not checked. [2021-08-25 22:34:58,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:34:58,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400335668] [2021-08-25 22:34:58,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400335668] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:34:58,039 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:34:58,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-25 22:34:58,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710028810] [2021-08-25 22:34:58,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-25 22:34:58,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:34:58,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-25 22:34:58,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:34:58,041 INFO L87 Difference]: Start difference. First operand 18757 states and 19054 transitions. Second operand has 6 states, 6 states have (on average 94.83333333333333) internal successors, (569), 6 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:59,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:34:59,049 INFO L93 Difference]: Finished difference Result 36257 states and 36838 transitions. [2021-08-25 22:34:59,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-25 22:34:59,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 94.83333333333333) internal successors, (569), 6 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2199 [2021-08-25 22:34:59,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:34:59,065 INFO L225 Difference]: With dead ends: 36257 [2021-08-25 22:34:59,065 INFO L226 Difference]: Without dead ends: 18099 [2021-08-25 22:34:59,073 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 51.0ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:34:59,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18099 states. [2021-08-25 22:34:59,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18099 to 18099. [2021-08-25 22:34:59,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18099 states, 18098 states have (on average 1.0159133605923307) internal successors, (18386), 18098 states have internal predecessors, (18386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:59,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18099 states to 18099 states and 18386 transitions. [2021-08-25 22:34:59,200 INFO L78 Accepts]: Start accepts. Automaton has 18099 states and 18386 transitions. Word has length 2199 [2021-08-25 22:34:59,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:34:59,201 INFO L470 AbstractCegarLoop]: Abstraction has 18099 states and 18386 transitions. [2021-08-25 22:34:59,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.83333333333333) internal successors, (569), 6 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:34:59,201 INFO L276 IsEmpty]: Start isEmpty. Operand 18099 states and 18386 transitions. [2021-08-25 22:34:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2254 [2021-08-25 22:34:59,233 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:34:59,234 INFO L512 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:34:59,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-08-25 22:34:59,234 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:34:59,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:34:59,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1108494198, now seen corresponding path program 1 times [2021-08-25 22:34:59,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:34:59,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391265078] [2021-08-25 22:34:59,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:34:59,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:34:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:34:59,925 INFO L134 CoverageAnalysis]: Checked inductivity of 10848 backedges. 7880 proven. 78 refuted. 0 times theorem prover too weak. 2890 trivial. 0 not checked. [2021-08-25 22:34:59,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:34:59,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391265078] [2021-08-25 22:34:59,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391265078] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:34:59,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578963476] [2021-08-25 22:34:59,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:34:59,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:34:59,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:34:59,926 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:34:59,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-25 22:35:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:35:06,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 2625 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:35:06,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:35:13,683 INFO L134 CoverageAnalysis]: Checked inductivity of 10848 backedges. 662 proven. 0 refuted. 0 times theorem prover too weak. 10186 trivial. 0 not checked. [2021-08-25 22:35:13,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578963476] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:35:13,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:35:13,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-08-25 22:35:13,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697294314] [2021-08-25 22:35:13,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:35:13,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:35:13,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:35:13,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:35:13,685 INFO L87 Difference]: Start difference. First operand 18099 states and 18386 transitions. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:14,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:35:14,908 INFO L93 Difference]: Finished difference Result 35538 states and 36111 transitions. [2021-08-25 22:35:14,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:35:14,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2253 [2021-08-25 22:35:14,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:35:14,930 INFO L225 Difference]: With dead ends: 35538 [2021-08-25 22:35:14,930 INFO L226 Difference]: Without dead ends: 19415 [2021-08-25 22:35:14,939 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2258 GetRequests, 2253 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 43.6ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:35:14,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19415 states. [2021-08-25 22:35:15,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19415 to 17770. [2021-08-25 22:35:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17770 states, 17769 states have (on average 1.0150824469581856) internal successors, (18037), 17769 states have internal predecessors, (18037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:15,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17770 states to 17770 states and 18037 transitions. [2021-08-25 22:35:15,087 INFO L78 Accepts]: Start accepts. Automaton has 17770 states and 18037 transitions. Word has length 2253 [2021-08-25 22:35:15,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:35:15,088 INFO L470 AbstractCegarLoop]: Abstraction has 17770 states and 18037 transitions. [2021-08-25 22:35:15,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:15,088 INFO L276 IsEmpty]: Start isEmpty. Operand 17770 states and 18037 transitions. [2021-08-25 22:35:15,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2259 [2021-08-25 22:35:15,123 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:35:15,123 INFO L512 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:35:15,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-25 22:35:15,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:35:15,324 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:35:15,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:35:15,325 INFO L82 PathProgramCache]: Analyzing trace with hash -996142713, now seen corresponding path program 1 times [2021-08-25 22:35:15,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:35:15,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966583364] [2021-08-25 22:35:15,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:35:15,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:35:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:35:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 10110 backedges. 7392 proven. 78 refuted. 0 times theorem prover too weak. 2640 trivial. 0 not checked. [2021-08-25 22:35:16,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:35:16,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966583364] [2021-08-25 22:35:16,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966583364] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:35:16,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043552944] [2021-08-25 22:35:16,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:35:16,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:35:16,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:35:16,135 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:35:16,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-25 22:35:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:35:24,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 2644 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-25 22:35:24,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:35:34,468 INFO L134 CoverageAnalysis]: Checked inductivity of 10110 backedges. 1425 proven. 51 refuted. 0 times theorem prover too weak. 8634 trivial. 0 not checked. [2021-08-25 22:35:34,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043552944] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:35:34,469 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:35:34,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2021-08-25 22:35:34,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798381173] [2021-08-25 22:35:34,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-25 22:35:34,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:35:34,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-25 22:35:34,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:35:34,472 INFO L87 Difference]: Start difference. First operand 17770 states and 18037 transitions. Second operand has 8 states, 8 states have (on average 152.625) internal successors, (1221), 8 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:42,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:35:42,781 INFO L93 Difference]: Finished difference Result 37007 states and 37561 transitions. [2021-08-25 22:35:42,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-25 22:35:42,782 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 152.625) internal successors, (1221), 8 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2258 [2021-08-25 22:35:42,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:35:42,800 INFO L225 Difference]: With dead ends: 37007 [2021-08-25 22:35:42,800 INFO L226 Difference]: Without dead ends: 21213 [2021-08-25 22:35:42,806 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2276 GetRequests, 2263 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 172.6ms TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-08-25 22:35:42,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21213 states. [2021-08-25 22:35:42,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21213 to 19415. [2021-08-25 22:35:42,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19415 states, 19414 states have (on average 1.0139589986607602) internal successors, (19685), 19414 states have internal predecessors, (19685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:42,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19415 states to 19415 states and 19685 transitions. [2021-08-25 22:35:42,974 INFO L78 Accepts]: Start accepts. Automaton has 19415 states and 19685 transitions. Word has length 2258 [2021-08-25 22:35:42,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:35:42,974 INFO L470 AbstractCegarLoop]: Abstraction has 19415 states and 19685 transitions. [2021-08-25 22:35:42,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 152.625) internal successors, (1221), 8 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:35:42,975 INFO L276 IsEmpty]: Start isEmpty. Operand 19415 states and 19685 transitions. [2021-08-25 22:35:43,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2646 [2021-08-25 22:35:43,020 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:35:43,021 INFO L512 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:35:43,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-25 22:35:43,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:35:43,225 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:35:43,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:35:43,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1229683851, now seen corresponding path program 1 times [2021-08-25 22:35:43,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:35:43,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574824063] [2021-08-25 22:35:43,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:35:43,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:35:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:35:44,119 INFO L134 CoverageAnalysis]: Checked inductivity of 12828 backedges. 7803 proven. 42 refuted. 0 times theorem prover too weak. 4983 trivial. 0 not checked. [2021-08-25 22:35:44,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:35:44,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574824063] [2021-08-25 22:35:44,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574824063] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:35:44,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454908405] [2021-08-25 22:35:44,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:35:44,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:35:44,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:35:44,121 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:35:44,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-25 22:35:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:35:53,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 3064 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-25 22:35:53,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:36:02,718 INFO L134 CoverageAnalysis]: Checked inductivity of 12828 backedges. 3722 proven. 69 refuted. 0 times theorem prover too weak. 9037 trivial. 0 not checked. [2021-08-25 22:36:02,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454908405] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:36:02,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:36:02,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-08-25 22:36:02,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107954014] [2021-08-25 22:36:02,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-25 22:36:02,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:36:02,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-25 22:36:02,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-25 22:36:02,721 INFO L87 Difference]: Start difference. First operand 19415 states and 19685 transitions. Second operand has 6 states, 6 states have (on average 225.83333333333334) internal successors, (1355), 6 states have internal predecessors, (1355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:05,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:36:05,887 INFO L93 Difference]: Finished difference Result 40499 states and 41064 transitions. [2021-08-25 22:36:05,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-25 22:36:05,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 225.83333333333334) internal successors, (1355), 6 states have internal predecessors, (1355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2645 [2021-08-25 22:36:05,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:36:05,889 INFO L225 Difference]: With dead ends: 40499 [2021-08-25 22:36:05,889 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 22:36:05,901 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2657 GetRequests, 2651 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 66.3ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:36:05,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 22:36:05,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 22:36:05,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:05,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 22:36:05,902 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2645 [2021-08-25 22:36:05,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:36:05,902 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 22:36:05,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.83333333333334) internal successors, (1355), 6 states have internal predecessors, (1355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:36:05,903 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 22:36:05,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 22:36:05,904 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 22:36:05,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-25 22:36:06,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-08-25 22:36:06,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 22:36:06,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:36:06,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:36:07,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:36:07,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:36:16,163 WARN L207 SmtUtils]: Spent 5.06 s on a formula simplification. DAG size of input: 524 DAG size of output: 156 [2021-08-25 22:36:21,266 WARN L207 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 526 DAG size of output: 158 [2021-08-25 22:36:21,280 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,280 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,280 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,280 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,280 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,280 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,280 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,280 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,280 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,280 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,280 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,280 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,281 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,281 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,281 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,281 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-08-25 22:36:21,281 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-08-25 22:36:21,281 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-08-25 22:36:21,281 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,281 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,281 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,281 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,281 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,282 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,282 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,282 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,282 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,282 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,282 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,282 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,282 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,282 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-08-25 22:36:21,283 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,284 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,284 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,284 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,284 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,284 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,284 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,284 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,284 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,284 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,284 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,284 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,284 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,284 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,284 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,285 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,285 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,285 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,285 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,285 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-08-25 22:36:21,285 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,285 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-08-25 22:36:21,285 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-08-25 22:36:21,286 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse25 (+ 87 ~a18~0))) (let ((.cse0 (= ~a16~0 9)) (.cse2 (<= 0 .cse25)) (.cse13 (<= .cse25 0)) (.cse14 (<= ~a12~0 6)) (.cse9 (<= 4 ~a15~0)) (.cse6 (= ~a12~0 6)) (.cse18 (= ~a12~0 8)) (.cse16 (= ~a16~0 12)) (.cse15 (= ~a12~0 9)) (.cse22 (= ~a16~0 11)) (.cse17 (<= ~a18~0 132)) (.cse19 (= 5 ~a12~0)) (.cse21 (= ~a15~0 3)) (.cse10 (<= ~a15~0 3)) (.cse11 (<= ~a12~0 7)) (.cse12 (<= 7 ~a12~0)) (.cse8 (<= ~a16~0 11)) (.cse20 (< (+ ~a18~0 79) 0)) (.cse3 (= ~a16~0 8)) (.cse4 (not (= 3 ULTIMATE.start_calculate_output_~input))) (.cse5 (= ~a15~0 4)) (.cse7 (< 0 (+ (div (+ ~a18~0 354899) 5) 156))) (.cse1 (= 7 ~a12~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5 .cse1) (and .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse12 (<= 27 ~a18~0) .cse8) (and .cse10 .cse6 .cse13 .cse8) (and .cse0 .cse6 .cse9) (and .cse3 .cse4 .cse5 (<= (+ ~a18~0 388559) 0) .cse14) (and .cse15 .cse10 .cse16 .cse7) (and .cse0 .cse17 (<= ~a12~0 8) .cse12 .cse7) (and .cse3 .cse5 .cse18 (<= (+ ~a18~0 156) 0)) (and .cse0 .cse19 .cse20 .cse9) (and .cse10 .cse16 .cse17 .cse7 .cse1) (and .cse2 .cse3 .cse10) (and .cse16 .cse19 .cse7 .cse21) (and .cse15 .cse10 .cse8) (and .cse15 .cse0 .cse7 .cse20) (and (< (+ ~a18~0 78) 0) .cse14 .cse7 .cse8 .cse9) (and .cse3 .cse10 .cse11) (and .cse2 .cse10 .cse6 .cse16) (and .cse10 .cse18 .cse16 .cse17) (and .cse2 .cse3 .cse5 .cse18 .cse17) (and .cse10 .cse18 .cse8) (and .cse0 .cse19 .cse21) (and .cse2 (= ~a16~0 10) .cse17 .cse19 .cse21) (and .cse2 .cse22 .cse13 (not (= ULTIMATE.start_calculate_output_~input 4)) .cse19 .cse21) (let ((.cse23 (div (+ ~a18~0 (- 599175)) 3))) (and (= (mod ~a18~0 3) 0) (<= (+ .cse23 79) 0) (< 0 (+ .cse23 156)) .cse14 .cse8 .cse9)) (and (< 0 (+ (div (+ ~a18~0 (- 135)) 299932) 1)) .cse6 .cse8) (and .cse10 .cse18 .cse16 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (and .cse15 .cse3 .cse5 .cse7) (and .cse22 .cse17 .cse19 .cse21 (<= 83 ~a18~0)) (and .cse10 .cse11 .cse12 .cse7 .cse8 .cse20) (and (<= ~a12~0 5) .cse3 .cse5) (and .cse3 .cse4 .cse5 (exists ((aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 Int) (aux_div_aux_mod_v_~a18~0_905_35_65 Int)) (let ((.cse24 (* 3 aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42))) (and (< .cse24 3) (<= 0 .cse24) (< 0 (+ aux_div_aux_mod_v_~a18~0_905_35_65 156 aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42)) (<= (+ ~a18~0 557770) (div (+ (* aux_div_aux_mod_v_~a18~0_905_35_65 27) 5392575 (* aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 27)) 10)) (<= (+ aux_div_aux_mod_v_~a18~0_905_35_65 79) 0)))) .cse7 .cse1)))) [2021-08-25 22:36:21,286 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,286 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,286 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,286 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,286 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,286 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,286 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,286 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,287 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,287 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,287 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-08-25 22:36:21,287 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-08-25 22:36:21,287 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,287 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-08-25 22:36:21,287 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,287 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,287 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,288 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,288 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,288 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,288 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,288 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,288 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,288 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,288 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,288 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,288 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,289 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,289 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,289 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,289 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,289 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-08-25 22:36:21,289 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,289 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-08-25 22:36:21,289 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-08-25 22:36:21,289 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,290 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,290 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,290 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,290 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,290 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,290 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,290 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,290 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,290 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,290 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,291 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-08-25 22:36:21,291 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-08-25 22:36:21,291 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,291 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-25 22:36:21,291 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,291 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse25 (+ 87 ~a18~0))) (let ((.cse0 (= ~a16~0 9)) (.cse2 (<= 0 .cse25)) (.cse13 (<= .cse25 0)) (.cse14 (<= ~a12~0 6)) (.cse9 (<= 4 ~a15~0)) (.cse6 (= ~a12~0 6)) (.cse17 (= ~a12~0 8)) (.cse16 (= ~a16~0 12)) (.cse15 (= ~a12~0 9)) (.cse22 (= ~a16~0 11)) (.cse20 (<= ~a18~0 132)) (.cse18 (= 5 ~a12~0)) (.cse21 (= ~a15~0 3)) (.cse10 (<= ~a15~0 3)) (.cse11 (<= ~a12~0 7)) (.cse12 (<= 7 ~a12~0)) (.cse8 (<= ~a16~0 11)) (.cse19 (< (+ ~a18~0 79) 0)) (.cse3 (= ~a16~0 8)) (.cse4 (not (= 3 ULTIMATE.start_calculate_output_~input))) (.cse5 (= ~a15~0 4)) (.cse7 (< 0 (+ (div (+ ~a18~0 354899) 5) 156))) (.cse1 (= 7 ~a12~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5 .cse1) (and .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse12 (<= 27 ~a18~0) .cse8) (and .cse10 .cse6 .cse13 .cse8) (and .cse0 .cse6 .cse9) (and .cse3 .cse4 .cse5 (<= (+ ~a18~0 388559) 0) .cse14) (and .cse15 .cse10 .cse16 .cse7) (and .cse3 .cse5 .cse17 (<= (+ ~a18~0 156) 0)) (and .cse0 .cse18 .cse19 .cse9) (and .cse10 .cse16 .cse20 .cse7 .cse1) (and .cse2 .cse3 .cse10) (and .cse16 .cse18 .cse7 .cse21) (and .cse15 .cse10 .cse8) (and .cse15 .cse0 .cse7 .cse19) (and (< (+ ~a18~0 78) 0) .cse14 .cse7 .cse8 .cse9) (and .cse0 .cse17 .cse20 .cse7) (and .cse3 .cse10 .cse11) (and .cse2 .cse10 .cse6 .cse16) (and .cse10 .cse17 .cse16 .cse20) (and .cse2 .cse3 .cse5 .cse17 .cse20) (and .cse10 .cse17 .cse8) (and .cse0 .cse18 .cse21) (and .cse2 .cse22 .cse13 (not (= ULTIMATE.start_calculate_output_~input 4)) .cse18 .cse21) (let ((.cse23 (div (+ ~a18~0 (- 599175)) 3))) (and (= (mod ~a18~0 3) 0) (<= (+ .cse23 79) 0) (< 0 (+ .cse23 156)) .cse14 .cse8 .cse9)) (and (< 0 (+ (div (+ ~a18~0 (- 135)) 299932) 1)) .cse6 .cse8) (and .cse10 .cse17 .cse16 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (and .cse15 .cse3 .cse5 .cse7) (and .cse22 .cse20 .cse18 .cse21 (<= 83 ~a18~0)) (and .cse10 .cse11 .cse12 .cse7 .cse8 .cse19) (and (<= ~a12~0 5) .cse3 .cse5) (and .cse3 .cse4 .cse5 (exists ((aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 Int) (aux_div_aux_mod_v_~a18~0_905_35_65 Int)) (let ((.cse24 (* 3 aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42))) (and (< .cse24 3) (<= 0 .cse24) (< 0 (+ aux_div_aux_mod_v_~a18~0_905_35_65 156 aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42)) (<= (+ ~a18~0 557770) (div (+ (* aux_div_aux_mod_v_~a18~0_905_35_65 27) 5392575 (* aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 27)) 10)) (<= (+ aux_div_aux_mod_v_~a18~0_905_35_65 79) 0)))) .cse7 .cse1)))) [2021-08-25 22:36:21,291 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,291 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,292 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,292 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,292 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,292 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,292 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,292 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,292 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 22:36:21,292 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,292 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,293 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,293 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,293 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,293 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,293 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-08-25 22:36:21,293 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,293 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-08-25 22:36:21,293 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-08-25 22:36:21,293 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,293 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-08-25 22:36:21,294 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,294 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,294 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,294 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,294 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,294 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,294 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,294 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,294 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,294 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,295 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,295 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-08-25 22:36:21,295 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,295 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-08-25 22:36:21,295 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,295 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-25 22:36:21,295 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,295 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,295 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,295 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,296 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,296 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,296 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,296 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,296 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,296 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,296 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,296 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,296 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,297 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,297 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,297 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,297 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-08-25 22:36:21,297 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-08-25 22:36:21,297 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-08-25 22:36:21,297 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 22:36:21,297 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 176) no Hoare annotation was computed. [2021-08-25 22:36:21,298 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse25 (+ 87 ~a18~0))) (let ((.cse0 (= ~a16~0 9)) (.cse14 (<= ~a12~0 6)) (.cse9 (<= 4 ~a15~0)) (.cse6 (= ~a12~0 6)) (.cse2 (<= 0 .cse25)) (.cse13 (<= .cse25 0)) (.cse18 (= ~a12~0 8)) (.cse16 (= ~a16~0 12)) (.cse15 (= ~a12~0 9)) (.cse23 (= ~a16~0 11)) (.cse17 (<= ~a18~0 132)) (.cse19 (= 5 ~a12~0)) (.cse21 (= ~a15~0 3)) (.cse10 (<= ~a15~0 3)) (.cse11 (<= ~a12~0 7)) (.cse12 (<= 7 ~a12~0)) (.cse8 (<= ~a16~0 11)) (.cse20 (< (+ ~a18~0 79) 0)) (.cse3 (= ~a16~0 8)) (.cse4 (not (= 3 ULTIMATE.start_calculate_output_~input))) (.cse5 (= ~a15~0 4)) (.cse7 (< 0 (+ (div (+ ~a18~0 354899) 5) 156))) (.cse1 (= 7 ~a12~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5 .cse1) (and .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse12 (<= 27 ~a18~0) .cse8) (and .cse10 .cse6 .cse13 .cse8) (and .cse0 .cse6 .cse9) (and .cse3 .cse4 .cse5 (<= (+ ~a18~0 388559) 0) .cse14) (and .cse15 .cse10 .cse16 .cse7) (and .cse0 .cse17 (<= ~a12~0 8) .cse12 .cse7) (and .cse3 .cse5 .cse18 (<= (+ ~a18~0 156) 0)) (and .cse0 .cse19 .cse20 .cse9) (and .cse10 .cse16 .cse17 .cse7 .cse1) (and .cse2 .cse3 .cse10) (and .cse16 .cse19 .cse7 .cse21) (and .cse15 .cse10 .cse8) (and .cse15 .cse0 .cse7 .cse20) (and (< (+ ~a18~0 78) 0) .cse14 .cse7 .cse8 .cse9) (and .cse3 .cse10 .cse11) (and .cse2 .cse10 .cse6 .cse16) (and .cse10 .cse18 .cse16 .cse17) (and .cse2 .cse3 .cse5 .cse18 .cse17) (and .cse10 .cse18 .cse8) (and .cse0 .cse19 .cse21) (and .cse2 (= ~a16~0 10) .cse17 .cse19 .cse21) (let ((.cse22 (div (+ ~a18~0 (- 599175)) 3))) (and (= (mod ~a18~0 3) 0) (<= (+ .cse22 79) 0) (< 0 (+ .cse22 156)) .cse14 .cse8 .cse9)) (and (< 0 (+ (div (+ ~a18~0 (- 135)) 299932) 1)) .cse6 .cse8) (and .cse2 .cse23 .cse13 .cse19 .cse21) (and .cse10 .cse18 .cse16 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (and .cse15 .cse3 .cse5 .cse7) (and .cse23 .cse17 .cse19 .cse21 (<= 83 ~a18~0)) (and .cse10 .cse11 .cse12 .cse7 .cse8 .cse20) (and (<= ~a12~0 5) .cse3 .cse5) (and .cse3 .cse4 .cse5 (exists ((aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 Int) (aux_div_aux_mod_v_~a18~0_905_35_65 Int)) (let ((.cse24 (* 3 aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42))) (and (< .cse24 3) (<= 0 .cse24) (< 0 (+ aux_div_aux_mod_v_~a18~0_905_35_65 156 aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42)) (<= (+ ~a18~0 557770) (div (+ (* aux_div_aux_mod_v_~a18~0_905_35_65 27) 5392575 (* aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 27)) 10)) (<= (+ aux_div_aux_mod_v_~a18~0_905_35_65 79) 0)))) .cse7 .cse1)))) [2021-08-25 22:36:21,298 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,298 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,298 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,298 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,298 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,298 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,298 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,298 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,298 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,299 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,299 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,299 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,299 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,299 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,299 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-08-25 22:36:21,299 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,299 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-08-25 22:36:21,299 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-08-25 22:36:21,299 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,300 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,300 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,300 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,300 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,300 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,300 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,300 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,300 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,300 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,300 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,300 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,300 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-08-25 22:36:21,300 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,301 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,301 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,301 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,301 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,301 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-08-25 22:36:21,301 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-08-25 22:36:21,301 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-08-25 22:36:21,301 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,301 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,301 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,301 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,301 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,302 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,302 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,302 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,302 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,302 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,302 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,302 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,302 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,302 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-08-25 22:36:21,302 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,303 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-08-25 22:36:21,303 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-08-25 22:36:21,303 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,303 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,303 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,303 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,303 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,303 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,303 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,304 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,304 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,304 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,304 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,304 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,304 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,304 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,304 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-08-25 22:36:21,304 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-08-25 22:36:21,305 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-25 22:36:21,305 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,305 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,305 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,305 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,305 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,305 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,305 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,305 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,305 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,306 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,306 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,306 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,306 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,306 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,306 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-08-25 22:36:21,306 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,306 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-08-25 22:36:21,306 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-08-25 22:36:21,306 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,307 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,307 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,307 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,307 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,307 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,307 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,307 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,307 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,307 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,307 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,308 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,308 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,308 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,308 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-08-25 22:36:21,308 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-08-25 22:36:21,308 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-25 22:36:21,308 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,308 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,308 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,308 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,308 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,308 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,309 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,310 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,311 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,312 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,312 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,312 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,312 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,312 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,312 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,312 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-08-25 22:36:21,312 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-08-25 22:36:21,312 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,312 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,312 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,312 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,312 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,312 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,312 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-08-25 22:36:21,313 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,313 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,313 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,313 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-08-25 22:36:21,313 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:36:21,313 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,313 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,313 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-08-25 22:36:21,313 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-08-25 22:36:21,313 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-08-25 22:36:21,313 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-25 22:36:21,316 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 22:36:21,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,323 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,323 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,323 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,323 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,323 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,324 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,344 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,348 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 10:36:21 BoogieIcfgContainer [2021-08-25 22:36:21,351 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 22:36:21,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 22:36:21,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 22:36:21,352 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 22:36:21,352 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:33:11" (3/4) ... [2021-08-25 22:36:21,354 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 22:36:21,385 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-25 22:36:21,386 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 22:36:21,388 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:36:21,389 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:36:21,414 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((a16 == 9 && 7 == a12) || ((((0 <= 87 + a18 && a16 == 8) && !(3 == input)) && a15 == 4) && 7 == a12)) || (((a12 == 6 && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && 4 <= a15)) || ((((a15 <= 3 && a12 <= 7) && 7 <= a12) && 27 <= a18) && a16 <= 11)) || (((a15 <= 3 && a12 == 6) && 87 + a18 <= 0) && a16 <= 11)) || ((a16 == 9 && a12 == 6) && 4 <= a15)) || ((((a16 == 8 && !(3 == input)) && a15 == 4) && a18 + 388559 <= 0) && a12 <= 6)) || (((a12 == 9 && a15 <= 3) && a16 == 12) && 0 < (a18 + 354899) / 5 + 156)) || ((((a16 == 9 && a18 <= 132) && a12 <= 8) && 7 <= a12) && 0 < (a18 + 354899) / 5 + 156)) || (((a16 == 8 && a15 == 4) && a12 == 8) && a18 + 156 <= 0)) || (((a16 == 9 && 5 == a12) && a18 + 79 < 0) && 4 <= a15)) || ((((a15 <= 3 && a16 == 12) && a18 <= 132) && 0 < (a18 + 354899) / 5 + 156) && 7 == a12)) || ((0 <= 87 + a18 && a16 == 8) && a15 <= 3)) || (((a16 == 12 && 5 == a12) && 0 < (a18 + 354899) / 5 + 156) && a15 == 3)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || (((a12 == 9 && a16 == 9) && 0 < (a18 + 354899) / 5 + 156) && a18 + 79 < 0)) || ((((a18 + 78 < 0 && a12 <= 6) && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && 4 <= a15)) || ((a16 == 8 && a15 <= 3) && a12 <= 7)) || (((0 <= 87 + a18 && a15 <= 3) && a12 == 6) && a16 == 12)) || (((a15 <= 3 && a12 == 8) && a16 == 12) && a18 <= 132)) || ((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 == 8) && a18 <= 132)) || ((a15 <= 3 && a12 == 8) && a16 <= 11)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || ((((0 <= 87 + a18 && a16 == 10) && a18 <= 132) && 5 == a12) && a15 == 3)) || (((((a18 % 3 == 0 && (a18 + -599175) / 3 + 79 <= 0) && 0 < (a18 + -599175) / 3 + 156) && a12 <= 6) && a16 <= 11) && 4 <= a15)) || ((0 < (a18 + -135) / 299932 + 1 && a12 == 6) && a16 <= 11)) || ((((0 <= 87 + a18 && a16 == 11) && 87 + a18 <= 0) && 5 == a12) && a15 == 3)) || (((a15 <= 3 && a12 == 8) && a16 == 12) && a18 / -2 + 79 <= 0)) || (((a12 == 9 && a16 == 8) && a15 == 4) && 0 < (a18 + 354899) / 5 + 156)) || ((((a16 == 11 && a18 <= 132) && 5 == a12) && a15 == 3) && 83 <= a18)) || (((((a15 <= 3 && a12 <= 7) && 7 <= a12) && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && a18 + 79 < 0)) || ((a12 <= 5 && a16 == 8) && a15 == 4)) || (((((a16 == 8 && !(3 == input)) && a15 == 4) && (\exists aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 : int, aux_div_aux_mod_v_~a18~0_905_35_65 : int :: (((3 * aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 < 3 && 0 <= 3 * aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42) && 0 < aux_div_aux_mod_v_~a18~0_905_35_65 + 156 + aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42) && a18 + 557770 <= (aux_div_aux_mod_v_~a18~0_905_35_65 * 27 + 5392575 + aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 * 27) / 10) && aux_div_aux_mod_v_~a18~0_905_35_65 + 79 <= 0)) && 0 < (a18 + 354899) / 5 + 156) && 7 == a12) [2021-08-25 22:36:21,416 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((a16 == 9 && 7 == a12) || ((((0 <= 87 + a18 && a16 == 8) && !(3 == input)) && a15 == 4) && 7 == a12)) || (((a12 == 6 && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && 4 <= a15)) || ((((a15 <= 3 && a12 <= 7) && 7 <= a12) && 27 <= a18) && a16 <= 11)) || (((a15 <= 3 && a12 == 6) && 87 + a18 <= 0) && a16 <= 11)) || ((a16 == 9 && a12 == 6) && 4 <= a15)) || ((((a16 == 8 && !(3 == input)) && a15 == 4) && a18 + 388559 <= 0) && a12 <= 6)) || (((a12 == 9 && a15 <= 3) && a16 == 12) && 0 < (a18 + 354899) / 5 + 156)) || ((((a16 == 9 && a18 <= 132) && a12 <= 8) && 7 <= a12) && 0 < (a18 + 354899) / 5 + 156)) || (((a16 == 8 && a15 == 4) && a12 == 8) && a18 + 156 <= 0)) || (((a16 == 9 && 5 == a12) && a18 + 79 < 0) && 4 <= a15)) || ((((a15 <= 3 && a16 == 12) && a18 <= 132) && 0 < (a18 + 354899) / 5 + 156) && 7 == a12)) || ((0 <= 87 + a18 && a16 == 8) && a15 <= 3)) || (((a16 == 12 && 5 == a12) && 0 < (a18 + 354899) / 5 + 156) && a15 == 3)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || (((a12 == 9 && a16 == 9) && 0 < (a18 + 354899) / 5 + 156) && a18 + 79 < 0)) || ((((a18 + 78 < 0 && a12 <= 6) && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && 4 <= a15)) || ((a16 == 8 && a15 <= 3) && a12 <= 7)) || (((0 <= 87 + a18 && a15 <= 3) && a12 == 6) && a16 == 12)) || (((a15 <= 3 && a12 == 8) && a16 == 12) && a18 <= 132)) || ((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 == 8) && a18 <= 132)) || ((a15 <= 3 && a12 == 8) && a16 <= 11)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || ((((0 <= 87 + a18 && a16 == 10) && a18 <= 132) && 5 == a12) && a15 == 3)) || (((((0 <= 87 + a18 && a16 == 11) && 87 + a18 <= 0) && !(input == 4)) && 5 == a12) && a15 == 3)) || (((((a18 % 3 == 0 && (a18 + -599175) / 3 + 79 <= 0) && 0 < (a18 + -599175) / 3 + 156) && a12 <= 6) && a16 <= 11) && 4 <= a15)) || ((0 < (a18 + -135) / 299932 + 1 && a12 == 6) && a16 <= 11)) || (((a15 <= 3 && a12 == 8) && a16 == 12) && a18 / -2 + 79 <= 0)) || (((a12 == 9 && a16 == 8) && a15 == 4) && 0 < (a18 + 354899) / 5 + 156)) || ((((a16 == 11 && a18 <= 132) && 5 == a12) && a15 == 3) && 83 <= a18)) || (((((a15 <= 3 && a12 <= 7) && 7 <= a12) && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && a18 + 79 < 0)) || ((a12 <= 5 && a16 == 8) && a15 == 4)) || (((((a16 == 8 && !(3 == input)) && a15 == 4) && (\exists aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 : int, aux_div_aux_mod_v_~a18~0_905_35_65 : int :: (((3 * aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 < 3 && 0 <= 3 * aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42) && 0 < aux_div_aux_mod_v_~a18~0_905_35_65 + 156 + aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42) && a18 + 557770 <= (aux_div_aux_mod_v_~a18~0_905_35_65 * 27 + 5392575 + aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 * 27) / 10) && aux_div_aux_mod_v_~a18~0_905_35_65 + 79 <= 0)) && 0 < (a18 + 354899) / 5 + 156) && 7 == a12) [2021-08-25 22:36:21,421 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((a16 == 9 && 7 == a12) || ((((0 <= 87 + a18 && a16 == 8) && !(3 == input)) && a15 == 4) && 7 == a12)) || (((a12 == 6 && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && 4 <= a15)) || ((((a15 <= 3 && a12 <= 7) && 7 <= a12) && 27 <= a18) && a16 <= 11)) || (((a15 <= 3 && a12 == 6) && 87 + a18 <= 0) && a16 <= 11)) || ((a16 == 9 && a12 == 6) && 4 <= a15)) || ((((a16 == 8 && !(3 == input)) && a15 == 4) && a18 + 388559 <= 0) && a12 <= 6)) || (((a12 == 9 && a15 <= 3) && a16 == 12) && 0 < (a18 + 354899) / 5 + 156)) || (((a16 == 8 && a15 == 4) && a12 == 8) && a18 + 156 <= 0)) || (((a16 == 9 && 5 == a12) && a18 + 79 < 0) && 4 <= a15)) || ((((a15 <= 3 && a16 == 12) && a18 <= 132) && 0 < (a18 + 354899) / 5 + 156) && 7 == a12)) || ((0 <= 87 + a18 && a16 == 8) && a15 <= 3)) || (((a16 == 12 && 5 == a12) && 0 < (a18 + 354899) / 5 + 156) && a15 == 3)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || (((a12 == 9 && a16 == 9) && 0 < (a18 + 354899) / 5 + 156) && a18 + 79 < 0)) || ((((a18 + 78 < 0 && a12 <= 6) && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && 4 <= a15)) || (((a16 == 9 && a12 == 8) && a18 <= 132) && 0 < (a18 + 354899) / 5 + 156)) || ((a16 == 8 && a15 <= 3) && a12 <= 7)) || (((0 <= 87 + a18 && a15 <= 3) && a12 == 6) && a16 == 12)) || (((a15 <= 3 && a12 == 8) && a16 == 12) && a18 <= 132)) || ((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 == 8) && a18 <= 132)) || ((a15 <= 3 && a12 == 8) && a16 <= 11)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || (((((0 <= 87 + a18 && a16 == 11) && 87 + a18 <= 0) && !(input == 4)) && 5 == a12) && a15 == 3)) || (((((a18 % 3 == 0 && (a18 + -599175) / 3 + 79 <= 0) && 0 < (a18 + -599175) / 3 + 156) && a12 <= 6) && a16 <= 11) && 4 <= a15)) || ((0 < (a18 + -135) / 299932 + 1 && a12 == 6) && a16 <= 11)) || (((a15 <= 3 && a12 == 8) && a16 == 12) && a18 / -2 + 79 <= 0)) || (((a12 == 9 && a16 == 8) && a15 == 4) && 0 < (a18 + 354899) / 5 + 156)) || ((((a16 == 11 && a18 <= 132) && 5 == a12) && a15 == 3) && 83 <= a18)) || (((((a15 <= 3 && a12 <= 7) && 7 <= a12) && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && a18 + 79 < 0)) || ((a12 <= 5 && a16 == 8) && a15 == 4)) || (((((a16 == 8 && !(3 == input)) && a15 == 4) && (\exists aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 : int, aux_div_aux_mod_v_~a18~0_905_35_65 : int :: (((3 * aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 < 3 && 0 <= 3 * aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42) && 0 < aux_div_aux_mod_v_~a18~0_905_35_65 + 156 + aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42) && a18 + 557770 <= (aux_div_aux_mod_v_~a18~0_905_35_65 * 27 + 5392575 + aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 * 27) / 10) && aux_div_aux_mod_v_~a18~0_905_35_65 + 79 <= 0)) && 0 < (a18 + 354899) / 5 + 156) && 7 == a12) [2021-08-25 22:36:21,488 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 22:36:21,488 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 22:36:21,489 INFO L168 Benchmark]: Toolchain (without parser) took 193343.14 ms. Allocated memory was 54.5 MB in the beginning and 1.7 GB in the end (delta: 1.7 GB). Free memory was 26.4 MB in the beginning and 876.9 MB in the end (delta: -850.5 MB). Peak memory consumption was 831.7 MB. Max. memory is 16.1 GB. [2021-08-25 22:36:21,489 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 26.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 22:36:21,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.26 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 26.2 MB in the beginning and 32.9 MB in the end (delta: -6.7 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-08-25 22:36:21,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.95 ms. Allocated memory was 69.2 MB in the beginning and 94.4 MB in the end (delta: 25.2 MB). Free memory was 32.9 MB in the beginning and 47.4 MB in the end (delta: -14.5 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2021-08-25 22:36:21,490 INFO L168 Benchmark]: Boogie Preprocessor took 122.23 ms. Allocated memory is still 94.4 MB. Free memory was 47.4 MB in the beginning and 48.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2021-08-25 22:36:21,490 INFO L168 Benchmark]: RCFGBuilder took 2010.36 ms. Allocated memory was 94.4 MB in the beginning and 209.7 MB in the end (delta: 115.3 MB). Free memory was 48.6 MB in the beginning and 79.4 MB in the end (delta: -30.8 MB). Peak memory consumption was 85.6 MB. Max. memory is 16.1 GB. [2021-08-25 22:36:21,491 INFO L168 Benchmark]: TraceAbstraction took 190312.67 ms. Allocated memory was 209.7 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 79.4 MB in the beginning and 914.7 MB in the end (delta: -835.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 16.1 GB. [2021-08-25 22:36:21,491 INFO L168 Benchmark]: Witness Printer took 137.23 ms. Allocated memory is still 1.7 GB. Free memory was 914.7 MB in the beginning and 876.9 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-08-25 22:36:21,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 26.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 630.26 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 26.2 MB in the beginning and 32.9 MB in the end (delta: -6.7 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 123.95 ms. Allocated memory was 69.2 MB in the beginning and 94.4 MB in the end (delta: 25.2 MB). Free memory was 32.9 MB in the beginning and 47.4 MB in the end (delta: -14.5 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 122.23 ms. Allocated memory is still 94.4 MB. Free memory was 47.4 MB in the beginning and 48.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2010.36 ms. Allocated memory was 94.4 MB in the beginning and 209.7 MB in the end (delta: 115.3 MB). Free memory was 48.6 MB in the beginning and 79.4 MB in the end (delta: -30.8 MB). Peak memory consumption was 85.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 190312.67 ms. Allocated memory was 209.7 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 79.4 MB in the beginning and 914.7 MB in the end (delta: -835.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 16.1 GB. * Witness Printer took 137.23 ms. Allocated memory is still 1.7 GB. Free memory was 914.7 MB in the beginning and 876.9 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 176]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 190230.5ms, OverallIterations: 32, TraceHistogramMax: 15, EmptinessCheckTime: 490.7ms, AutomataDifference: 56488.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 15173.6ms, InitialAbstractionConstructionTime: 38.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 9128 SDtfs, 10633 SDslu, 819 SDs, 0 SdLazy, 42470 SolverSat, 3620 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40645.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16131 GetRequests, 16039 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 820.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=19415occurred in iteration=31, InterpolantAutomatonStates: 133, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 3684.8ms AutomataMinimizationTime, 32 MinimizatonAttempts, 26411 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 275 NumberOfFragments, 1779 HoareAnnotationTreeSize, 4 FomulaSimplifications, 477460 FormulaSimplificationTreeSizeReduction, 1701.7ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 254330 FormulaSimplificationTreeSizeReductionInter, 13460.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1107.1ms SsaConstructionTime, 4619.2ms SatisfiabilityAnalysisTime, 72220.4ms InterpolantComputationTime, 51527 NumberOfCodeBlocks, 51527 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 51487 ConstructedInterpolants, 102 QuantifiedInterpolants, 118091 SizeOfPredicates, 4 NumberOfNonLiveVariables, 18753 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 40 InterpolantComputations, 29 PerfectInterpolantSequences, 177796/178897 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1504]: Loop Invariant [2021-08-25 22:36:21,500 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,500 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,500 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,500 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((((((((((a16 == 9 && 7 == a12) || ((((0 <= 87 + a18 && a16 == 8) && !(3 == input)) && a15 == 4) && 7 == a12)) || (((a12 == 6 && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && 4 <= a15)) || ((((a15 <= 3 && a12 <= 7) && 7 <= a12) && 27 <= a18) && a16 <= 11)) || (((a15 <= 3 && a12 == 6) && 87 + a18 <= 0) && a16 <= 11)) || ((a16 == 9 && a12 == 6) && 4 <= a15)) || ((((a16 == 8 && !(3 == input)) && a15 == 4) && a18 + 388559 <= 0) && a12 <= 6)) || (((a12 == 9 && a15 <= 3) && a16 == 12) && 0 < (a18 + 354899) / 5 + 156)) || (((a16 == 8 && a15 == 4) && a12 == 8) && a18 + 156 <= 0)) || (((a16 == 9 && 5 == a12) && a18 + 79 < 0) && 4 <= a15)) || ((((a15 <= 3 && a16 == 12) && a18 <= 132) && 0 < (a18 + 354899) / 5 + 156) && 7 == a12)) || ((0 <= 87 + a18 && a16 == 8) && a15 <= 3)) || (((a16 == 12 && 5 == a12) && 0 < (a18 + 354899) / 5 + 156) && a15 == 3)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || (((a12 == 9 && a16 == 9) && 0 < (a18 + 354899) / 5 + 156) && a18 + 79 < 0)) || ((((a18 + 78 < 0 && a12 <= 6) && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && 4 <= a15)) || (((a16 == 9 && a12 == 8) && a18 <= 132) && 0 < (a18 + 354899) / 5 + 156)) || ((a16 == 8 && a15 <= 3) && a12 <= 7)) || (((0 <= 87 + a18 && a15 <= 3) && a12 == 6) && a16 == 12)) || (((a15 <= 3 && a12 == 8) && a16 == 12) && a18 <= 132)) || ((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 == 8) && a18 <= 132)) || ((a15 <= 3 && a12 == 8) && a16 <= 11)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || (((((0 <= 87 + a18 && a16 == 11) && 87 + a18 <= 0) && !(input == 4)) && 5 == a12) && a15 == 3)) || (((((a18 % 3 == 0 && (a18 + -599175) / 3 + 79 <= 0) && 0 < (a18 + -599175) / 3 + 156) && a12 <= 6) && a16 <= 11) && 4 <= a15)) || ((0 < (a18 + -135) / 299932 + 1 && a12 == 6) && a16 <= 11)) || (((a15 <= 3 && a12 == 8) && a16 == 12) && a18 / -2 + 79 <= 0)) || (((a12 == 9 && a16 == 8) && a15 == 4) && 0 < (a18 + 354899) / 5 + 156)) || ((((a16 == 11 && a18 <= 132) && 5 == a12) && a15 == 3) && 83 <= a18)) || (((((a15 <= 3 && a12 <= 7) && 7 <= a12) && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && a18 + 79 < 0)) || ((a12 <= 5 && a16 == 8) && a15 == 4)) || (((((a16 == 8 && !(3 == input)) && a15 == 4) && (\exists aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 : int, aux_div_aux_mod_v_~a18~0_905_35_65 : int :: (((3 * aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 < 3 && 0 <= 3 * aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42) && 0 < aux_div_aux_mod_v_~a18~0_905_35_65 + 156 + aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42) && a18 + 557770 <= (aux_div_aux_mod_v_~a18~0_905_35_65 * 27 + 5392575 + aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 * 27) / 10) && aux_div_aux_mod_v_~a18~0_905_35_65 + 79 <= 0)) && 0 < (a18 + 354899) / 5 + 156) && 7 == a12) - InvariantResult [Line: 1783]: Loop Invariant [2021-08-25 22:36:21,503 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,503 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,504 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,504 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,504 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,504 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,504 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,505 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,505 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,505 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,505 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,505 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,505 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((((((((a16 == 9 && 7 == a12) || ((((0 <= 87 + a18 && a16 == 8) && !(3 == input)) && a15 == 4) && 7 == a12)) || (((a12 == 6 && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && 4 <= a15)) || ((((a15 <= 3 && a12 <= 7) && 7 <= a12) && 27 <= a18) && a16 <= 11)) || (((a15 <= 3 && a12 == 6) && 87 + a18 <= 0) && a16 <= 11)) || ((a16 == 9 && a12 == 6) && 4 <= a15)) || ((((a16 == 8 && !(3 == input)) && a15 == 4) && a18 + 388559 <= 0) && a12 <= 6)) || (((a12 == 9 && a15 <= 3) && a16 == 12) && 0 < (a18 + 354899) / 5 + 156)) || ((((a16 == 9 && a18 <= 132) && a12 <= 8) && 7 <= a12) && 0 < (a18 + 354899) / 5 + 156)) || (((a16 == 8 && a15 == 4) && a12 == 8) && a18 + 156 <= 0)) || (((a16 == 9 && 5 == a12) && a18 + 79 < 0) && 4 <= a15)) || ((((a15 <= 3 && a16 == 12) && a18 <= 132) && 0 < (a18 + 354899) / 5 + 156) && 7 == a12)) || ((0 <= 87 + a18 && a16 == 8) && a15 <= 3)) || (((a16 == 12 && 5 == a12) && 0 < (a18 + 354899) / 5 + 156) && a15 == 3)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || (((a12 == 9 && a16 == 9) && 0 < (a18 + 354899) / 5 + 156) && a18 + 79 < 0)) || ((((a18 + 78 < 0 && a12 <= 6) && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && 4 <= a15)) || ((a16 == 8 && a15 <= 3) && a12 <= 7)) || (((0 <= 87 + a18 && a15 <= 3) && a12 == 6) && a16 == 12)) || (((a15 <= 3 && a12 == 8) && a16 == 12) && a18 <= 132)) || ((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 == 8) && a18 <= 132)) || ((a15 <= 3 && a12 == 8) && a16 <= 11)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || ((((0 <= 87 + a18 && a16 == 10) && a18 <= 132) && 5 == a12) && a15 == 3)) || (((((a18 % 3 == 0 && (a18 + -599175) / 3 + 79 <= 0) && 0 < (a18 + -599175) / 3 + 156) && a12 <= 6) && a16 <= 11) && 4 <= a15)) || ((0 < (a18 + -135) / 299932 + 1 && a12 == 6) && a16 <= 11)) || ((((0 <= 87 + a18 && a16 == 11) && 87 + a18 <= 0) && 5 == a12) && a15 == 3)) || (((a15 <= 3 && a12 == 8) && a16 == 12) && a18 / -2 + 79 <= 0)) || (((a12 == 9 && a16 == 8) && a15 == 4) && 0 < (a18 + 354899) / 5 + 156)) || ((((a16 == 11 && a18 <= 132) && 5 == a12) && a15 == 3) && 83 <= a18)) || (((((a15 <= 3 && a12 <= 7) && 7 <= a12) && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && a18 + 79 < 0)) || ((a12 <= 5 && a16 == 8) && a15 == 4)) || (((((a16 == 8 && !(3 == input)) && a15 == 4) && (\exists aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 : int, aux_div_aux_mod_v_~a18~0_905_35_65 : int :: (((3 * aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 < 3 && 0 <= 3 * aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42) && 0 < aux_div_aux_mod_v_~a18~0_905_35_65 + 156 + aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42) && a18 + 557770 <= (aux_div_aux_mod_v_~a18~0_905_35_65 * 27 + 5392575 + aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 * 27) / 10) && aux_div_aux_mod_v_~a18~0_905_35_65 + 79 <= 0)) && 0 < (a18 + 354899) / 5 + 156) && 7 == a12) - InvariantResult [Line: 33]: Loop Invariant [2021-08-25 22:36:21,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,509 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] [2021-08-25 22:36:21,509 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42,QUANTIFIED] [2021-08-25 22:36:21,509 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a18~0_905_35_65,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((((((((a16 == 9 && 7 == a12) || ((((0 <= 87 + a18 && a16 == 8) && !(3 == input)) && a15 == 4) && 7 == a12)) || (((a12 == 6 && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && 4 <= a15)) || ((((a15 <= 3 && a12 <= 7) && 7 <= a12) && 27 <= a18) && a16 <= 11)) || (((a15 <= 3 && a12 == 6) && 87 + a18 <= 0) && a16 <= 11)) || ((a16 == 9 && a12 == 6) && 4 <= a15)) || ((((a16 == 8 && !(3 == input)) && a15 == 4) && a18 + 388559 <= 0) && a12 <= 6)) || (((a12 == 9 && a15 <= 3) && a16 == 12) && 0 < (a18 + 354899) / 5 + 156)) || ((((a16 == 9 && a18 <= 132) && a12 <= 8) && 7 <= a12) && 0 < (a18 + 354899) / 5 + 156)) || (((a16 == 8 && a15 == 4) && a12 == 8) && a18 + 156 <= 0)) || (((a16 == 9 && 5 == a12) && a18 + 79 < 0) && 4 <= a15)) || ((((a15 <= 3 && a16 == 12) && a18 <= 132) && 0 < (a18 + 354899) / 5 + 156) && 7 == a12)) || ((0 <= 87 + a18 && a16 == 8) && a15 <= 3)) || (((a16 == 12 && 5 == a12) && 0 < (a18 + 354899) / 5 + 156) && a15 == 3)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || (((a12 == 9 && a16 == 9) && 0 < (a18 + 354899) / 5 + 156) && a18 + 79 < 0)) || ((((a18 + 78 < 0 && a12 <= 6) && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && 4 <= a15)) || ((a16 == 8 && a15 <= 3) && a12 <= 7)) || (((0 <= 87 + a18 && a15 <= 3) && a12 == 6) && a16 == 12)) || (((a15 <= 3 && a12 == 8) && a16 == 12) && a18 <= 132)) || ((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 == 8) && a18 <= 132)) || ((a15 <= 3 && a12 == 8) && a16 <= 11)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || ((((0 <= 87 + a18 && a16 == 10) && a18 <= 132) && 5 == a12) && a15 == 3)) || (((((0 <= 87 + a18 && a16 == 11) && 87 + a18 <= 0) && !(input == 4)) && 5 == a12) && a15 == 3)) || (((((a18 % 3 == 0 && (a18 + -599175) / 3 + 79 <= 0) && 0 < (a18 + -599175) / 3 + 156) && a12 <= 6) && a16 <= 11) && 4 <= a15)) || ((0 < (a18 + -135) / 299932 + 1 && a12 == 6) && a16 <= 11)) || (((a15 <= 3 && a12 == 8) && a16 == 12) && a18 / -2 + 79 <= 0)) || (((a12 == 9 && a16 == 8) && a15 == 4) && 0 < (a18 + 354899) / 5 + 156)) || ((((a16 == 11 && a18 <= 132) && 5 == a12) && a15 == 3) && 83 <= a18)) || (((((a15 <= 3 && a12 <= 7) && 7 <= a12) && 0 < (a18 + 354899) / 5 + 156) && a16 <= 11) && a18 + 79 < 0)) || ((a12 <= 5 && a16 == 8) && a15 == 4)) || (((((a16 == 8 && !(3 == input)) && a15 == 4) && (\exists aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 : int, aux_div_aux_mod_v_~a18~0_905_35_65 : int :: (((3 * aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 < 3 && 0 <= 3 * aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42) && 0 < aux_div_aux_mod_v_~a18~0_905_35_65 + 156 + aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42) && a18 + 557770 <= (aux_div_aux_mod_v_~a18~0_905_35_65 * 27 + 5392575 + aux_div_aux_mod_aux_mod_v_~a18~0_905_35_65_42 * 27) / 10) && aux_div_aux_mod_v_~a18~0_905_35_65 + 79 <= 0)) && 0 < (a18 + 354899) / 5 + 156) && 7 == a12) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-25 22:36:21,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...