./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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/Problem11_label06.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 e7162a37b2481575f46ee042f017cf4130087aba4666f87e20be1f5306ddf30d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 10:57:59,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 10:57:59,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 10:57:59,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 10:57:59,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 10:57:59,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 10:57:59,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 10:57:59,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 10:57:59,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 10:57:59,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 10:57:59,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 10:57:59,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 10:57:59,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 10:57:59,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 10:57:59,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 10:57:59,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 10:57:59,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 10:57:59,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 10:57:59,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 10:57:59,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 10:57:59,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 10:57:59,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 10:57:59,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 10:57:59,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 10:57:59,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 10:57:59,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 10:57:59,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 10:57:59,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 10:57:59,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 10:57:59,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 10:57:59,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 10:57:59,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 10:57:59,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 10:57:59,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 10:57:59,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 10:57:59,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 10:57:59,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 10:57:59,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 10:57:59,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 10:57:59,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 10:57:59,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 10:57:59,932 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 10:57:59,964 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 10:57:59,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 10:57:59,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 10:57:59,965 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 10:57:59,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 10:57:59,966 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 10:57:59,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 10:57:59,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 10:57:59,966 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 10:57:59,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 10:57:59,967 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 10:57:59,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 10:57:59,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 10:57:59,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 10:57:59,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 10:57:59,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 10:57:59,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 10:57:59,969 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 10:57:59,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 10:57:59,969 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 10:57:59,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 10:57:59,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 10:57:59,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 10:57:59,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 10:57:59,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:57:59,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 10:57:59,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 10:57:59,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 10:57:59,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 10:57:59,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 10:57:59,975 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 10:57:59,975 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 10:57:59,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 10:57:59,976 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 10:57:59,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7162a37b2481575f46ee042f017cf4130087aba4666f87e20be1f5306ddf30d [2021-12-21 10:58:00,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 10:58:00,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 10:58:00,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 10:58:00,214 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 10:58:00,215 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 10:58:00,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label06.c [2021-12-21 10:58:00,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fc3b74f7/df3e7def8a6846e1839c0b515ec7673b/FLAGd8b46d5b3 [2021-12-21 10:58:00,780 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 10:58:00,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label06.c [2021-12-21 10:58:00,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fc3b74f7/df3e7def8a6846e1839c0b515ec7673b/FLAGd8b46d5b3 [2021-12-21 10:58:01,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fc3b74f7/df3e7def8a6846e1839c0b515ec7673b [2021-12-21 10:58:01,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 10:58:01,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 10:58:01,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 10:58:01,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 10:58:01,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 10:58:01,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:58:01" (1/1) ... [2021-12-21 10:58:01,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704a251e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:58:01, skipping insertion in model container [2021-12-21 10:58:01,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:58:01" (1/1) ... [2021-12-21 10:58:01,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 10:58:01,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 10:58:01,361 WARN L230 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/Problem11_label06.c[9087,9100] [2021-12-21 10:58:01,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:58:01,611 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 10:58:01,650 WARN L230 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/Problem11_label06.c[9087,9100] [2021-12-21 10:58:01,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:58:01,855 INFO L208 MainTranslator]: Completed translation [2021-12-21 10:58:01,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:58:01 WrapperNode [2021-12-21 10:58:01,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 10:58:01,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 10:58:01,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 10:58:01,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 10:58:01,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:58:01" (1/1) ... [2021-12-21 10:58:01,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:58:01" (1/1) ... [2021-12-21 10:58:01,969 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-21 10:58:01,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 10:58:01,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 10:58:01,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 10:58:01,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 10:58:01,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:58:01" (1/1) ... [2021-12-21 10:58:01,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:58:01" (1/1) ... [2021-12-21 10:58:01,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:58:01" (1/1) ... [2021-12-21 10:58:01,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:58:01" (1/1) ... [2021-12-21 10:58:02,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:58:01" (1/1) ... [2021-12-21 10:58:02,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:58:01" (1/1) ... [2021-12-21 10:58:02,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:58:01" (1/1) ... [2021-12-21 10:58:02,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 10:58:02,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 10:58:02,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 10:58:02,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 10:58:02,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:58:01" (1/1) ... [2021-12-21 10:58:02,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:58:02,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:58:02,141 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) [2021-12-21 10:58:02,162 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 [2021-12-21 10:58:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 10:58:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 10:58:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 10:58:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 10:58:02,277 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 10:58:02,279 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 10:58:03,627 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 10:58:03,641 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 10:58:03,642 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 10:58:03,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:58:03 BoogieIcfgContainer [2021-12-21 10:58:03,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 10:58:03,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 10:58:03,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 10:58:03,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 10:58:03,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:58:01" (1/3) ... [2021-12-21 10:58:03,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a0f2ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:58:03, skipping insertion in model container [2021-12-21 10:58:03,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:58:01" (2/3) ... [2021-12-21 10:58:03,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a0f2ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:58:03, skipping insertion in model container [2021-12-21 10:58:03,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:58:03" (3/3) ... [2021-12-21 10:58:03,653 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label06.c [2021-12-21 10:58:03,658 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 10:58:03,659 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 10:58:03,712 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 10:58:03,720 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-21 10:58:03,721 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 10:58:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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) [2021-12-21 10:58:03,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-21 10:58:03,751 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:03,751 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:03,752 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:03,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:03,757 INFO L85 PathProgramCache]: Analyzing trace with hash -696204111, now seen corresponding path program 1 times [2021-12-21 10:58:03,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:03,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784048818] [2021-12-21 10:58:03,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:03,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:58:04,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:04,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784048818] [2021-12-21 10:58:04,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784048818] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:04,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:04,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:58:04,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803774274] [2021-12-21 10:58:04,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:04,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:04,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:04,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:04,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:04,125 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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 21.0) internal successors, (63), 2 states have internal predecessors, (63), 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) [2021-12-21 10:58:05,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:05,167 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-12-21 10:58:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:05,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 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 63 [2021-12-21 10:58:05,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:05,184 INFO L225 Difference]: With dead ends: 761 [2021-12-21 10:58:05,185 INFO L226 Difference]: Without dead ends: 413 [2021-12-21 10:58:05,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:05,192 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 165 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:05,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-21 10:58:05,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-21 10:58:05,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-12-21 10:58:05,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 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) [2021-12-21 10:58:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-12-21 10:58:05,244 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 63 [2021-12-21 10:58:05,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:05,245 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-12-21 10:58:05,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 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) [2021-12-21 10:58:05,245 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-12-21 10:58:05,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-21 10:58:05,249 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:05,250 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:05,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 10:58:05,250 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:05,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:05,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1774038808, now seen corresponding path program 1 times [2021-12-21 10:58:05,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:05,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107411316] [2021-12-21 10:58:05,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:05,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:58:05,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:05,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107411316] [2021-12-21 10:58:05,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107411316] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:05,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:05,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:58:05,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670018144] [2021-12-21 10:58:05,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:05,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:05,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:05,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:05,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:05,432 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 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) [2021-12-21 10:58:06,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:06,147 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-12-21 10:58:06,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:06,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 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 131 [2021-12-21 10:58:06,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:06,152 INFO L225 Difference]: With dead ends: 1211 [2021-12-21 10:58:06,152 INFO L226 Difference]: Without dead ends: 800 [2021-12-21 10:58:06,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:06,155 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:06,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 10:58:06,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-21 10:58:06,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-12-21 10:58:06,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 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) [2021-12-21 10:58:06,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2021-12-21 10:58:06,181 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 131 [2021-12-21 10:58:06,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:06,182 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2021-12-21 10:58:06,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 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) [2021-12-21 10:58:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2021-12-21 10:58:06,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-21 10:58:06,187 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:06,187 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:06,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 10:58:06,188 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:06,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:06,188 INFO L85 PathProgramCache]: Analyzing trace with hash -977289123, now seen corresponding path program 1 times [2021-12-21 10:58:06,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:06,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661618921] [2021-12-21 10:58:06,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:06,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:06,348 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:58:06,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:06,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661618921] [2021-12-21 10:58:06,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661618921] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:06,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:06,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:58:06,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764695650] [2021-12-21 10:58:06,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:06,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:06,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:06,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:06,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:06,353 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 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) [2021-12-21 10:58:07,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:07,035 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2021-12-21 10:58:07,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:07,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 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 133 [2021-12-21 10:58:07,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:07,041 INFO L225 Difference]: With dead ends: 1945 [2021-12-21 10:58:07,042 INFO L226 Difference]: Without dead ends: 1158 [2021-12-21 10:58:07,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:07,044 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:07,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 10:58:07,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-12-21 10:58:07,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2021-12-21 10:58:07,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 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) [2021-12-21 10:58:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2021-12-21 10:58:07,071 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 133 [2021-12-21 10:58:07,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:07,072 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2021-12-21 10:58:07,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 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) [2021-12-21 10:58:07,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2021-12-21 10:58:07,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-12-21 10:58:07,078 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:07,079 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 10:58:07,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 10:58:07,079 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:07,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:07,080 INFO L85 PathProgramCache]: Analyzing trace with hash -873825219, now seen corresponding path program 1 times [2021-12-21 10:58:07,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:07,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681836647] [2021-12-21 10:58:07,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:07,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:07,205 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:58:07,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:07,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681836647] [2021-12-21 10:58:07,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681836647] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:07,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:07,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:07,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384648669] [2021-12-21 10:58:07,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:07,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:07,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:07,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:07,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:07,208 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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) [2021-12-21 10:58:07,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:07,914 INFO L93 Difference]: Finished difference Result 2519 states and 3349 transitions. [2021-12-21 10:58:07,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:07,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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 190 [2021-12-21 10:58:07,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:07,923 INFO L225 Difference]: With dead ends: 2519 [2021-12-21 10:58:07,923 INFO L226 Difference]: Without dead ends: 1548 [2021-12-21 10:58:07,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:07,940 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 172 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:07,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 10:58:07,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2021-12-21 10:58:07,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2021-12-21 10:58:07,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.2933937823834196) internal successors, (1997), 1544 states have internal predecessors, (1997), 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) [2021-12-21 10:58:07,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions. [2021-12-21 10:58:07,974 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 190 [2021-12-21 10:58:07,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:07,976 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions. [2021-12-21 10:58:07,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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) [2021-12-21 10:58:07,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions. [2021-12-21 10:58:07,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-21 10:58:07,981 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:07,981 INFO L514 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:07,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 10:58:07,982 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:07,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:07,984 INFO L85 PathProgramCache]: Analyzing trace with hash -2127494464, now seen corresponding path program 1 times [2021-12-21 10:58:07,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:07,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003416406] [2021-12-21 10:58:07,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:07,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:08,140 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-21 10:58:08,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:08,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003416406] [2021-12-21 10:58:08,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003416406] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:08,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:08,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:08,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455297410] [2021-12-21 10:58:08,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:08,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:08,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:08,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:08,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:08,143 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2021-12-21 10:58:08,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:08,868 INFO L93 Difference]: Finished difference Result 4009 states and 5316 transitions. [2021-12-21 10:58:08,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:08,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 245 [2021-12-21 10:58:08,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:08,878 INFO L225 Difference]: With dead ends: 4009 [2021-12-21 10:58:08,878 INFO L226 Difference]: Without dead ends: 2650 [2021-12-21 10:58:08,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:08,882 INFO L933 BasicCegarLoop]: 322 mSDtfsCounter, 144 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:08,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 347 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 10:58:08,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2021-12-21 10:58:08,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 2650. [2021-12-21 10:58:08,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2650 states, 2649 states have (on average 1.2431106077765195) internal successors, (3293), 2649 states have internal predecessors, (3293), 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) [2021-12-21 10:58:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2650 states and 3293 transitions. [2021-12-21 10:58:08,931 INFO L78 Accepts]: Start accepts. Automaton has 2650 states and 3293 transitions. Word has length 245 [2021-12-21 10:58:08,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:08,931 INFO L470 AbstractCegarLoop]: Abstraction has 2650 states and 3293 transitions. [2021-12-21 10:58:08,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2021-12-21 10:58:08,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 3293 transitions. [2021-12-21 10:58:08,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-12-21 10:58:08,936 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:08,937 INFO L514 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, 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] [2021-12-21 10:58:08,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 10:58:08,937 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:08,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:08,938 INFO L85 PathProgramCache]: Analyzing trace with hash -468248497, now seen corresponding path program 1 times [2021-12-21 10:58:08,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:08,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585938810] [2021-12-21 10:58:08,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:08,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 25 proven. 96 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-21 10:58:09,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:09,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585938810] [2021-12-21 10:58:09,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585938810] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 10:58:09,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857654308] [2021-12-21 10:58:09,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:09,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 10:58:09,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:58:09,151 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) [2021-12-21 10:58:09,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 10:58:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:09,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 10:58:09,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 10:58:09,808 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-21 10:58:09,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 10:58:09,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857654308] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:09,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 10:58:09,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-21 10:58:09,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948361937] [2021-12-21 10:58:09,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:09,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:09,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:09,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:09,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 10:58:09,811 INFO L87 Difference]: Start difference. First operand 2650 states and 3293 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2021-12-21 10:58:10,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:10,629 INFO L93 Difference]: Finished difference Result 6228 states and 7865 transitions. [2021-12-21 10:58:10,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:10,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 251 [2021-12-21 10:58:10,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:10,644 INFO L225 Difference]: With dead ends: 6228 [2021-12-21 10:58:10,645 INFO L226 Difference]: Without dead ends: 3764 [2021-12-21 10:58:10,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 10:58:10,650 INFO L933 BasicCegarLoop]: 362 mSDtfsCounter, 133 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:10,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 384 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-21 10:58:10,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3764 states. [2021-12-21 10:58:10,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3764 to 3755. [2021-12-21 10:58:10,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3755 states, 3754 states have (on average 1.2192328183271177) internal successors, (4577), 3754 states have internal predecessors, (4577), 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) [2021-12-21 10:58:10,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 4577 transitions. [2021-12-21 10:58:10,738 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 4577 transitions. Word has length 251 [2021-12-21 10:58:10,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:10,739 INFO L470 AbstractCegarLoop]: Abstraction has 3755 states and 4577 transitions. [2021-12-21 10:58:10,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2021-12-21 10:58:10,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 4577 transitions. [2021-12-21 10:58:10,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-12-21 10:58:10,747 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:10,747 INFO L514 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, 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, 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] [2021-12-21 10:58:10,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 10:58:10,972 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,SelfDestructingSolverStorable5 [2021-12-21 10:58:10,973 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:10,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:10,973 INFO L85 PathProgramCache]: Analyzing trace with hash 496121255, now seen corresponding path program 1 times [2021-12-21 10:58:10,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:10,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276457250] [2021-12-21 10:58:10,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:10,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:11,103 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-21 10:58:11,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:11,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276457250] [2021-12-21 10:58:11,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276457250] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:11,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:11,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:11,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51873558] [2021-12-21 10:58:11,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:11,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:11,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:11,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:11,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:11,107 INFO L87 Difference]: Start difference. First operand 3755 states and 4577 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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) [2021-12-21 10:58:11,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:11,858 INFO L93 Difference]: Finished difference Result 8442 states and 10451 transitions. [2021-12-21 10:58:11,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:11,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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 322 [2021-12-21 10:58:11,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:11,877 INFO L225 Difference]: With dead ends: 8442 [2021-12-21 10:58:11,877 INFO L226 Difference]: Without dead ends: 4873 [2021-12-21 10:58:11,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:11,883 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 135 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:11,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 344 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 10:58:11,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4873 states. [2021-12-21 10:58:11,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4873 to 4676. [2021-12-21 10:58:11,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4676 states, 4675 states have (on average 1.2094117647058824) internal successors, (5654), 4675 states have internal predecessors, (5654), 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) [2021-12-21 10:58:11,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4676 states to 4676 states and 5654 transitions. [2021-12-21 10:58:11,975 INFO L78 Accepts]: Start accepts. Automaton has 4676 states and 5654 transitions. Word has length 322 [2021-12-21 10:58:11,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:11,975 INFO L470 AbstractCegarLoop]: Abstraction has 4676 states and 5654 transitions. [2021-12-21 10:58:11,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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) [2021-12-21 10:58:11,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4676 states and 5654 transitions. [2021-12-21 10:58:11,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-12-21 10:58:11,984 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:11,984 INFO L514 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:11,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 10:58:11,984 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:11,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:11,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1494112082, now seen corresponding path program 1 times [2021-12-21 10:58:11,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:11,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535242683] [2021-12-21 10:58:11,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:11,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:12,104 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 331 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-12-21 10:58:12,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:12,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535242683] [2021-12-21 10:58:12,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535242683] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:12,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:12,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:12,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680100569] [2021-12-21 10:58:12,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:12,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:12,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:12,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:12,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:12,107 INFO L87 Difference]: Start difference. First operand 4676 states and 5654 transitions. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2021-12-21 10:58:12,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:12,754 INFO L93 Difference]: Finished difference Result 9326 states and 11272 transitions. [2021-12-21 10:58:12,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:12,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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 325 [2021-12-21 10:58:12,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:12,777 INFO L225 Difference]: With dead ends: 9326 [2021-12-21 10:58:12,777 INFO L226 Difference]: Without dead ends: 4652 [2021-12-21 10:58:12,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:12,783 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 159 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:12,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 150 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 10:58:12,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4652 states. [2021-12-21 10:58:12,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4652 to 4651. [2021-12-21 10:58:12,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4651 states, 4650 states have (on average 1.15247311827957) internal successors, (5359), 4650 states have internal predecessors, (5359), 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) [2021-12-21 10:58:12,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4651 states to 4651 states and 5359 transitions. [2021-12-21 10:58:12,863 INFO L78 Accepts]: Start accepts. Automaton has 4651 states and 5359 transitions. Word has length 325 [2021-12-21 10:58:12,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:12,864 INFO L470 AbstractCegarLoop]: Abstraction has 4651 states and 5359 transitions. [2021-12-21 10:58:12,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2021-12-21 10:58:12,865 INFO L276 IsEmpty]: Start isEmpty. Operand 4651 states and 5359 transitions. [2021-12-21 10:58:12,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-12-21 10:58:12,875 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:12,876 INFO L514 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, 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, 2, 2, 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] [2021-12-21 10:58:12,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 10:58:12,876 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:12,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:12,877 INFO L85 PathProgramCache]: Analyzing trace with hash -547751050, now seen corresponding path program 1 times [2021-12-21 10:58:12,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:12,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050605332] [2021-12-21 10:58:12,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:12,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:58:13,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:13,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050605332] [2021-12-21 10:58:13,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050605332] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:13,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:13,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:58:13,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210038707] [2021-12-21 10:58:13,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:13,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:58:13,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:13,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:58:13,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:58:13,064 INFO L87 Difference]: Start difference. First operand 4651 states and 5359 transitions. Second operand has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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) [2021-12-21 10:58:14,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:14,156 INFO L93 Difference]: Finished difference Result 12640 states and 14697 transitions. [2021-12-21 10:58:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:58:14,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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 388 [2021-12-21 10:58:14,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:14,182 INFO L225 Difference]: With dead ends: 12640 [2021-12-21 10:58:14,182 INFO L226 Difference]: Without dead ends: 7991 [2021-12-21 10:58:14,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:58:14,189 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 234 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:14,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 159 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-21 10:58:14,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7991 states. [2021-12-21 10:58:14,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7991 to 7435. [2021-12-21 10:58:14,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7435 states, 7434 states have (on average 1.146758138283562) internal successors, (8525), 7434 states have internal predecessors, (8525), 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) [2021-12-21 10:58:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7435 states to 7435 states and 8525 transitions. [2021-12-21 10:58:14,320 INFO L78 Accepts]: Start accepts. Automaton has 7435 states and 8525 transitions. Word has length 388 [2021-12-21 10:58:14,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:14,321 INFO L470 AbstractCegarLoop]: Abstraction has 7435 states and 8525 transitions. [2021-12-21 10:58:14,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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) [2021-12-21 10:58:14,321 INFO L276 IsEmpty]: Start isEmpty. Operand 7435 states and 8525 transitions. [2021-12-21 10:58:14,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-12-21 10:58:14,335 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:14,336 INFO L514 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, 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, 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] [2021-12-21 10:58:14,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 10:58:14,336 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:14,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:14,337 INFO L85 PathProgramCache]: Analyzing trace with hash -467739689, now seen corresponding path program 1 times [2021-12-21 10:58:14,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:14,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064992395] [2021-12-21 10:58:14,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:14,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:14,503 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-12-21 10:58:14,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:14,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064992395] [2021-12-21 10:58:14,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064992395] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:14,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:14,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:58:14,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846893621] [2021-12-21 10:58:14,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:14,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:14,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:14,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:14,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:14,506 INFO L87 Difference]: Start difference. First operand 7435 states and 8525 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 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) [2021-12-21 10:58:14,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:14,910 INFO L93 Difference]: Finished difference Result 14862 states and 17042 transitions. [2021-12-21 10:58:14,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:14,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 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 403 [2021-12-21 10:58:14,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:14,943 INFO L225 Difference]: With dead ends: 14862 [2021-12-21 10:58:14,943 INFO L226 Difference]: Without dead ends: 7429 [2021-12-21 10:58:14,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:14,952 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 216 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:14,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 39 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 10:58:14,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7429 states. [2021-12-21 10:58:15,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7429 to 7428. [2021-12-21 10:58:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7428 states, 7427 states have (on average 1.1460885956644675) internal successors, (8512), 7427 states have internal predecessors, (8512), 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) [2021-12-21 10:58:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7428 states to 7428 states and 8512 transitions. [2021-12-21 10:58:15,102 INFO L78 Accepts]: Start accepts. Automaton has 7428 states and 8512 transitions. Word has length 403 [2021-12-21 10:58:15,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:15,103 INFO L470 AbstractCegarLoop]: Abstraction has 7428 states and 8512 transitions. [2021-12-21 10:58:15,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 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) [2021-12-21 10:58:15,103 INFO L276 IsEmpty]: Start isEmpty. Operand 7428 states and 8512 transitions. [2021-12-21 10:58:15,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2021-12-21 10:58:15,116 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:15,117 INFO L514 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, 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, 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] [2021-12-21 10:58:15,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-21 10:58:15,117 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:15,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:15,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1746481750, now seen corresponding path program 1 times [2021-12-21 10:58:15,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:15,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947140856] [2021-12-21 10:58:15,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:15,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-12-21 10:58:15,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:15,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947140856] [2021-12-21 10:58:15,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947140856] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:15,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:15,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:15,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013346863] [2021-12-21 10:58:15,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:15,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:15,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:15,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:15,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:15,305 INFO L87 Difference]: Start difference. First operand 7428 states and 8512 transitions. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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) [2021-12-21 10:58:15,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:15,984 INFO L93 Difference]: Finished difference Result 16714 states and 19129 transitions. [2021-12-21 10:58:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:15,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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 435 [2021-12-21 10:58:15,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:16,000 INFO L225 Difference]: With dead ends: 16714 [2021-12-21 10:58:16,001 INFO L226 Difference]: Without dead ends: 9288 [2021-12-21 10:58:16,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:16,039 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 67 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:16,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 179 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 10:58:16,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9288 states. [2021-12-21 10:58:16,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9288 to 9084. [2021-12-21 10:58:16,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9084 states, 9083 states have (on average 1.1353077177144115) internal successors, (10312), 9083 states have internal predecessors, (10312), 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) [2021-12-21 10:58:16,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9084 states to 9084 states and 10312 transitions. [2021-12-21 10:58:16,159 INFO L78 Accepts]: Start accepts. Automaton has 9084 states and 10312 transitions. Word has length 435 [2021-12-21 10:58:16,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:16,160 INFO L470 AbstractCegarLoop]: Abstraction has 9084 states and 10312 transitions. [2021-12-21 10:58:16,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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) [2021-12-21 10:58:16,161 INFO L276 IsEmpty]: Start isEmpty. Operand 9084 states and 10312 transitions. [2021-12-21 10:58:16,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2021-12-21 10:58:16,178 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:16,179 INFO L514 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, 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:16,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-21 10:58:16,179 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:16,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:16,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1744296818, now seen corresponding path program 1 times [2021-12-21 10:58:16,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:16,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099031094] [2021-12-21 10:58:16,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:16,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:16,362 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 635 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-12-21 10:58:16,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:16,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099031094] [2021-12-21 10:58:16,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099031094] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:16,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:16,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:16,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114857598] [2021-12-21 10:58:16,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:16,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:16,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:16,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:16,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:16,365 INFO L87 Difference]: Start difference. First operand 9084 states and 10312 transitions. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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) [2021-12-21 10:58:17,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:17,135 INFO L93 Difference]: Finished difference Result 20925 states and 23747 transitions. [2021-12-21 10:58:17,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:17,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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 487 [2021-12-21 10:58:17,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:17,158 INFO L225 Difference]: With dead ends: 20925 [2021-12-21 10:58:17,158 INFO L226 Difference]: Without dead ends: 11107 [2021-12-21 10:58:17,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:17,171 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 65 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:17,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 350 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 10:58:17,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11107 states. [2021-12-21 10:58:17,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11107 to 10555. [2021-12-21 10:58:17,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10555 states, 10554 states have (on average 1.1255448171309457) internal successors, (11879), 10554 states have internal predecessors, (11879), 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) [2021-12-21 10:58:17,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10555 states to 10555 states and 11879 transitions. [2021-12-21 10:58:17,389 INFO L78 Accepts]: Start accepts. Automaton has 10555 states and 11879 transitions. Word has length 487 [2021-12-21 10:58:17,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:17,390 INFO L470 AbstractCegarLoop]: Abstraction has 10555 states and 11879 transitions. [2021-12-21 10:58:17,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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) [2021-12-21 10:58:17,390 INFO L276 IsEmpty]: Start isEmpty. Operand 10555 states and 11879 transitions. [2021-12-21 10:58:17,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2021-12-21 10:58:17,410 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:17,411 INFO L514 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:17,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-21 10:58:17,411 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:17,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:17,412 INFO L85 PathProgramCache]: Analyzing trace with hash -192105898, now seen corresponding path program 1 times [2021-12-21 10:58:17,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:17,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262050448] [2021-12-21 10:58:17,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:17,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:17,577 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 621 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-12-21 10:58:17,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:17,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262050448] [2021-12-21 10:58:17,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262050448] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:17,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:17,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:17,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425036192] [2021-12-21 10:58:17,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:17,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:17,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:17,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:17,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:17,580 INFO L87 Difference]: Start difference. First operand 10555 states and 11879 transitions. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2021-12-21 10:58:18,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:18,332 INFO L93 Difference]: Finished difference Result 24423 states and 27490 transitions. [2021-12-21 10:58:18,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:18,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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 527 [2021-12-21 10:58:18,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:18,358 INFO L225 Difference]: With dead ends: 24423 [2021-12-21 10:58:18,358 INFO L226 Difference]: Without dead ends: 13870 [2021-12-21 10:58:18,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:18,372 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 125 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:18,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 79 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 10:58:18,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13870 states. [2021-12-21 10:58:18,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13870 to 13867. [2021-12-21 10:58:18,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13867 states, 13866 states have (on average 1.117914322803981) internal successors, (15501), 13866 states have internal predecessors, (15501), 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) [2021-12-21 10:58:18,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13867 states to 13867 states and 15501 transitions. [2021-12-21 10:58:18,600 INFO L78 Accepts]: Start accepts. Automaton has 13867 states and 15501 transitions. Word has length 527 [2021-12-21 10:58:18,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:18,600 INFO L470 AbstractCegarLoop]: Abstraction has 13867 states and 15501 transitions. [2021-12-21 10:58:18,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2021-12-21 10:58:18,601 INFO L276 IsEmpty]: Start isEmpty. Operand 13867 states and 15501 transitions. [2021-12-21 10:58:18,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2021-12-21 10:58:18,621 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:18,621 INFO L514 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:18,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-21 10:58:18,622 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:18,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:18,622 INFO L85 PathProgramCache]: Analyzing trace with hash -2020315425, now seen corresponding path program 1 times [2021-12-21 10:58:18,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:18,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313379857] [2021-12-21 10:58:18,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:18,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:18,886 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 324 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-12-21 10:58:18,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:18,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313379857] [2021-12-21 10:58:18,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313379857] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 10:58:18,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356931060] [2021-12-21 10:58:18,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:18,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 10:58:18,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:58:18,892 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) [2021-12-21 10:58:18,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 10:58:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:19,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 10:58:19,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 10:58:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2021-12-21 10:58:19,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 10:58:19,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356931060] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:19,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 10:58:19,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-21 10:58:19,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502342533] [2021-12-21 10:58:19,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:19,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:19,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:19,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:19,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-21 10:58:19,939 INFO L87 Difference]: Start difference. First operand 13867 states and 15501 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2021-12-21 10:58:20,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:20,669 INFO L93 Difference]: Finished difference Result 16261 states and 18135 transitions. [2021-12-21 10:58:20,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:20,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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 533 [2021-12-21 10:58:20,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:20,691 INFO L225 Difference]: With dead ends: 16261 [2021-12-21 10:58:20,692 INFO L226 Difference]: Without dead ends: 16259 [2021-12-21 10:58:20,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 532 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-21 10:58:20,699 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 158 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:20,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 137 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 10:58:20,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16259 states. [2021-12-21 10:58:20,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16259 to 13867. [2021-12-21 10:58:20,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13867 states, 13866 states have (on average 1.117842203952113) internal successors, (15500), 13866 states have internal predecessors, (15500), 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) [2021-12-21 10:58:20,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13867 states to 13867 states and 15500 transitions. [2021-12-21 10:58:20,939 INFO L78 Accepts]: Start accepts. Automaton has 13867 states and 15500 transitions. Word has length 533 [2021-12-21 10:58:20,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:20,940 INFO L470 AbstractCegarLoop]: Abstraction has 13867 states and 15500 transitions. [2021-12-21 10:58:20,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2021-12-21 10:58:20,940 INFO L276 IsEmpty]: Start isEmpty. Operand 13867 states and 15500 transitions. [2021-12-21 10:58:20,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2021-12-21 10:58:20,958 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:20,959 INFO L514 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:20,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 10:58:21,179 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,SelfDestructingSolverStorable13 [2021-12-21 10:58:21,180 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:21,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:21,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1051688403, now seen corresponding path program 1 times [2021-12-21 10:58:21,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:21,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849806181] [2021-12-21 10:58:21,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:21,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:21,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 902 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-12-21 10:58:21,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:21,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849806181] [2021-12-21 10:58:21,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849806181] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:21,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:21,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:58:21,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245594438] [2021-12-21 10:58:21,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:21,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:58:21,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:21,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:58:21,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:58:21,424 INFO L87 Difference]: Start difference. First operand 13867 states and 15500 transitions. Second operand has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 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) [2021-12-21 10:58:22,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:22,531 INFO L93 Difference]: Finished difference Result 30691 states and 34303 transitions. [2021-12-21 10:58:22,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:58:22,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 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 [2021-12-21 10:58:22,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:22,554 INFO L225 Difference]: With dead ends: 30691 [2021-12-21 10:58:22,554 INFO L226 Difference]: Without dead ends: 16826 [2021-12-21 10:58:22,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:58:22,568 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 206 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:22,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 156 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-21 10:58:22,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16826 states. [2021-12-21 10:58:22,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16826 to 13681. [2021-12-21 10:58:22,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13681 states, 13680 states have (on average 1.1176169590643275) internal successors, (15289), 13680 states have internal predecessors, (15289), 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) [2021-12-21 10:58:22,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13681 states to 13681 states and 15289 transitions. [2021-12-21 10:58:22,823 INFO L78 Accepts]: Start accepts. Automaton has 13681 states and 15289 transitions. Word has length 551 [2021-12-21 10:58:22,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:22,823 INFO L470 AbstractCegarLoop]: Abstraction has 13681 states and 15289 transitions. [2021-12-21 10:58:22,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 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) [2021-12-21 10:58:22,824 INFO L276 IsEmpty]: Start isEmpty. Operand 13681 states and 15289 transitions. [2021-12-21 10:58:22,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-12-21 10:58:22,838 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:22,838 INFO L514 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-21 10:58:22,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-21 10:58:22,838 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:22,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:22,839 INFO L85 PathProgramCache]: Analyzing trace with hash 720401217, now seen corresponding path program 1 times [2021-12-21 10:58:22,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:22,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291844719] [2021-12-21 10:58:22,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:22,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 834 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-21 10:58:23,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:23,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291844719] [2021-12-21 10:58:23,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291844719] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:23,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:23,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:58:23,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116562797] [2021-12-21 10:58:23,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:23,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:58:23,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:23,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:58:23,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:58:23,100 INFO L87 Difference]: Start difference. First operand 13681 states and 15289 transitions. Second operand has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 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) [2021-12-21 10:58:24,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:24,283 INFO L93 Difference]: Finished difference Result 32710 states and 36531 transitions. [2021-12-21 10:58:24,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:58:24,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 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 581 [2021-12-21 10:58:24,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:24,301 INFO L225 Difference]: With dead ends: 32710 [2021-12-21 10:58:24,302 INFO L226 Difference]: Without dead ends: 19031 [2021-12-21 10:58:24,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:58:24,311 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 172 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:24,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 59 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-21 10:58:24,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19031 states. [2021-12-21 10:58:24,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19031 to 15333. [2021-12-21 10:58:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15333 states, 15332 states have (on average 1.1081398382468042) internal successors, (16990), 15332 states have internal predecessors, (16990), 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) [2021-12-21 10:58:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15333 states to 15333 states and 16990 transitions. [2021-12-21 10:58:24,584 INFO L78 Accepts]: Start accepts. Automaton has 15333 states and 16990 transitions. Word has length 581 [2021-12-21 10:58:24,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:24,585 INFO L470 AbstractCegarLoop]: Abstraction has 15333 states and 16990 transitions. [2021-12-21 10:58:24,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 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) [2021-12-21 10:58:24,585 INFO L276 IsEmpty]: Start isEmpty. Operand 15333 states and 16990 transitions. [2021-12-21 10:58:24,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2021-12-21 10:58:24,602 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:24,603 INFO L514 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:24,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-21 10:58:24,603 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:24,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:24,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1947745532, now seen corresponding path program 1 times [2021-12-21 10:58:24,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:24,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900823885] [2021-12-21 10:58:24,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:24,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:24,799 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 702 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-12-21 10:58:24,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:24,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900823885] [2021-12-21 10:58:24,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900823885] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:24,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:24,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:24,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427806463] [2021-12-21 10:58:24,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:24,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:58:24,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:24,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:58:24,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:58:24,803 INFO L87 Difference]: Start difference. First operand 15333 states and 16990 transitions. Second operand has 4 states, 4 states have (on average 97.5) internal successors, (390), 3 states have internal predecessors, (390), 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) [2021-12-21 10:58:25,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:25,945 INFO L93 Difference]: Finished difference Result 39329 states and 43397 transitions. [2021-12-21 10:58:25,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:58:25,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 3 states have internal predecessors, (390), 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 599 [2021-12-21 10:58:25,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:25,969 INFO L225 Difference]: With dead ends: 39329 [2021-12-21 10:58:25,969 INFO L226 Difference]: Without dead ends: 23998 [2021-12-21 10:58:25,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:58:25,976 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 157 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:25,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 72 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-21 10:58:25,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23998 states. [2021-12-21 10:58:26,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23998 to 22519. [2021-12-21 10:58:26,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22519 states, 22518 states have (on average 1.10134114930278) internal successors, (24800), 22518 states have internal predecessors, (24800), 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) [2021-12-21 10:58:26,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22519 states to 22519 states and 24800 transitions. [2021-12-21 10:58:26,270 INFO L78 Accepts]: Start accepts. Automaton has 22519 states and 24800 transitions. Word has length 599 [2021-12-21 10:58:26,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:26,271 INFO L470 AbstractCegarLoop]: Abstraction has 22519 states and 24800 transitions. [2021-12-21 10:58:26,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 3 states have internal predecessors, (390), 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) [2021-12-21 10:58:26,271 INFO L276 IsEmpty]: Start isEmpty. Operand 22519 states and 24800 transitions. [2021-12-21 10:58:26,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2021-12-21 10:58:26,292 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:26,293 INFO L514 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, 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, 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, 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] [2021-12-21 10:58:26,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-21 10:58:26,293 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:26,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:26,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1631375320, now seen corresponding path program 1 times [2021-12-21 10:58:26,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:26,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201731288] [2021-12-21 10:58:26,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:26,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:26,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2021-12-21 10:58:26,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:26,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201731288] [2021-12-21 10:58:26,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201731288] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:26,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:26,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:26,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155198895] [2021-12-21 10:58:26,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:26,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:26,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:26,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:26,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:26,611 INFO L87 Difference]: Start difference. First operand 22519 states and 24800 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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) [2021-12-21 10:58:27,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:27,375 INFO L93 Difference]: Finished difference Result 45032 states and 49618 transitions. [2021-12-21 10:58:27,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:27,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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 650 [2021-12-21 10:58:27,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:27,409 INFO L225 Difference]: With dead ends: 45032 [2021-12-21 10:58:27,410 INFO L226 Difference]: Without dead ends: 25095 [2021-12-21 10:58:27,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:27,428 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 145 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:27,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 113 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 10:58:27,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25095 states. [2021-12-21 10:58:27,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25095 to 22887. [2021-12-21 10:58:27,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22887 states, 22886 states have (on average 1.097876431005855) internal successors, (25126), 22886 states have internal predecessors, (25126), 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) [2021-12-21 10:58:27,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22887 states to 22887 states and 25126 transitions. [2021-12-21 10:58:27,751 INFO L78 Accepts]: Start accepts. Automaton has 22887 states and 25126 transitions. Word has length 650 [2021-12-21 10:58:27,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:27,752 INFO L470 AbstractCegarLoop]: Abstraction has 22887 states and 25126 transitions. [2021-12-21 10:58:27,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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) [2021-12-21 10:58:27,753 INFO L276 IsEmpty]: Start isEmpty. Operand 22887 states and 25126 transitions. [2021-12-21 10:58:27,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684 [2021-12-21 10:58:27,777 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:27,778 INFO L514 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 10:58:27,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-21 10:58:27,779 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:27,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:27,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1057845284, now seen corresponding path program 1 times [2021-12-21 10:58:27,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:27,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582730277] [2021-12-21 10:58:27,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:27,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:28,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1337 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2021-12-21 10:58:28,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:28,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582730277] [2021-12-21 10:58:28,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582730277] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:28,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:28,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:28,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980812162] [2021-12-21 10:58:28,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:28,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:28,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:28,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:28,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:28,047 INFO L87 Difference]: Start difference. First operand 22887 states and 25126 transitions. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2021-12-21 10:58:28,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:28,729 INFO L93 Difference]: Finished difference Result 47243 states and 51839 transitions. [2021-12-21 10:58:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:28,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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 683 [2021-12-21 10:58:28,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:28,757 INFO L225 Difference]: With dead ends: 47243 [2021-12-21 10:58:28,758 INFO L226 Difference]: Without dead ends: 24726 [2021-12-21 10:58:28,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:28,775 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 115 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:28,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 137 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 10:58:28,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24726 states. [2021-12-21 10:58:29,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24726 to 22327. [2021-12-21 10:58:29,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22327 states, 22326 states have (on average 1.0942846904953865) internal successors, (24431), 22326 states have internal predecessors, (24431), 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) [2021-12-21 10:58:29,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22327 states to 22327 states and 24431 transitions. [2021-12-21 10:58:29,044 INFO L78 Accepts]: Start accepts. Automaton has 22327 states and 24431 transitions. Word has length 683 [2021-12-21 10:58:29,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:29,045 INFO L470 AbstractCegarLoop]: Abstraction has 22327 states and 24431 transitions. [2021-12-21 10:58:29,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2021-12-21 10:58:29,045 INFO L276 IsEmpty]: Start isEmpty. Operand 22327 states and 24431 transitions. [2021-12-21 10:58:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2021-12-21 10:58:29,064 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:58:29,065 INFO L514 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, 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, 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, 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] [2021-12-21 10:58:29,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-21 10:58:29,065 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:58:29,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:58:29,066 INFO L85 PathProgramCache]: Analyzing trace with hash 2044993265, now seen corresponding path program 1 times [2021-12-21 10:58:29,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:58:29,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984273625] [2021-12-21 10:58:29,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:58:29,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:58:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:58:29,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1777 backedges. 1159 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2021-12-21 10:58:29,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:58:29,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984273625] [2021-12-21 10:58:29,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984273625] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:58:29,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:58:29,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:58:29,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022101684] [2021-12-21 10:58:29,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:58:29,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:58:29,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:58:29,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:58:29,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:29,309 INFO L87 Difference]: Start difference. First operand 22327 states and 24431 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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) [2021-12-21 10:58:30,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:58:30,030 INFO L93 Difference]: Finished difference Result 43363 states and 47434 transitions. [2021-12-21 10:58:30,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:58:30,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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 732 [2021-12-21 10:58:30,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:58:30,031 INFO L225 Difference]: With dead ends: 43363 [2021-12-21 10:58:30,031 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 10:58:30,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:58:30,042 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 46 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 10:58:30,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 338 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 10:58:30,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 10:58:30,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 10:58:30,043 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) [2021-12-21 10:58:30,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 10:58:30,043 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 732 [2021-12-21 10:58:30,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:58:30,044 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 10:58:30,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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) [2021-12-21 10:58:30,044 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 10:58:30,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 10:58:30,046 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 10:58:30,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-21 10:58:30,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 10:58:36,500 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-21 10:58:36,500 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,501 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-21 10:58:36,501 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,501 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,501 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,501 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,501 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,501 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,503 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-21 10:58:36,503 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-21 10:58:36,503 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-21 10:58:36,503 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,503 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,503 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,503 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,504 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,504 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,504 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,504 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,504 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,504 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,504 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-21 10:58:36,504 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-21 10:58:36,505 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-21 10:58:36,505 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,505 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-21 10:58:36,505 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-21 10:58:36,505 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,505 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,505 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,506 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,506 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,506 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,506 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-21 10:58:36,506 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-21 10:58:36,506 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-21 10:58:36,506 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,507 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,507 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,507 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse18 (+ ~a23~0 43))) (let ((.cse9 (<= (+ ~a29~0 22) 0)) (.cse1 (= ~a25~0 12)) (.cse3 (<= ~a29~0 220)) (.cse17 (<= 312 ~a23~0)) (.cse12 (<= (+ 28470 ~a29~0) 0)) (.cse6 (<= ~a29~0 274)) (.cse11 (<= 13 ~a25~0)) (.cse14 (<= ~a29~0 140)) (.cse8 (= ~a4~0 0)) (.cse15 (<= ~a25~0 10)) (.cse5 (= ~a25~0 11)) (.cse0 (<= .cse18 0)) (.cse7 (<= 246 ~a29~0)) (.cse16 (< 0 (+ (div (+ ~a23~0 (- 139)) 83) 1))) (.cse2 (<= ~a8~0 15)) (.cse13 (<= ~a29~0 599998)) (.cse4 (= ~a4~0 1)) (.cse10 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse4 .cse7) (and .cse8 .cse9 .cse2 (= ~a25~0 10)) (and .cse8 .cse9 .cse2 .cse10 .cse11) (and .cse1 .cse2 .cse12 .cse4) (and .cse1 .cse8 .cse2 .cse13) (and .cse14 .cse8 .cse5 .cse2 .cse10) (and .cse8 .cse5 .cse2 .cse13 .cse10 .cse7) (and .cse15 .cse2 .cse4) (and .cse1 .cse16 .cse2 .cse4 .cse10) (and .cse1 .cse2 .cse4 .cse17 (<= ~a29~0 231)) (and .cse16 .cse2 .cse13 .cse4 .cse7) (and .cse0 .cse8 .cse15 .cse2 .cse13 .cse7) (and .cse2 .cse3 .cse4 .cse17) (and .cse0 .cse8 .cse2 .cse12) (and .cse6 .cse2 .cse4 .cse11) (and .cse14 .cse8 (< 0 .cse18) .cse15 .cse2 .cse10) (and .cse5 .cse2 (not .cse0) .cse4 .cse7) (and .cse16 .cse2 .cse13 .cse4 .cse10)))) [2021-12-21 10:58:36,507 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,507 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-21 10:58:36,507 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-21 10:58:36,508 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,508 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,508 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,508 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,508 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,508 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,508 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-21 10:58:36,509 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-21 10:58:36,509 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-21 10:58:36,509 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-21 10:58:36,509 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,509 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,509 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,509 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,510 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,510 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,510 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,510 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-21 10:58:36,510 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-21 10:58:36,510 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-21 10:58:36,510 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,510 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,511 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,511 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,511 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,511 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,511 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,511 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,511 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,512 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-21 10:58:36,512 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-21 10:58:36,512 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-21 10:58:36,512 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,512 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse18 (+ ~a23~0 43))) (let ((.cse9 (<= (+ ~a29~0 22) 0)) (.cse1 (= ~a25~0 12)) (.cse3 (<= ~a29~0 220)) (.cse17 (<= 312 ~a23~0)) (.cse12 (<= (+ 28470 ~a29~0) 0)) (.cse6 (<= ~a29~0 274)) (.cse11 (<= 13 ~a25~0)) (.cse14 (<= ~a29~0 140)) (.cse8 (= ~a4~0 0)) (.cse15 (<= ~a25~0 10)) (.cse5 (= ~a25~0 11)) (.cse0 (<= .cse18 0)) (.cse7 (<= 246 ~a29~0)) (.cse16 (< 0 (+ (div (+ ~a23~0 (- 139)) 83) 1))) (.cse2 (<= ~a8~0 15)) (.cse13 (<= ~a29~0 599998)) (.cse4 (= ~a4~0 1)) (.cse10 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse4 .cse7) (and .cse8 .cse9 .cse2 (= ~a25~0 10)) (and .cse8 .cse9 .cse2 .cse10 .cse11) (and .cse1 .cse2 .cse12 .cse4) (and .cse1 .cse8 .cse2 .cse13) (and .cse14 .cse8 .cse5 .cse2 .cse10) (and .cse8 .cse5 .cse2 .cse13 .cse10 .cse7) (and .cse15 .cse2 .cse4) (and .cse1 .cse16 .cse2 .cse4 .cse10) (and .cse1 .cse2 .cse4 .cse17 (<= ~a29~0 231)) (and .cse16 .cse2 .cse13 .cse4 .cse7) (and .cse0 .cse8 .cse15 .cse2 .cse13 .cse7) (and .cse2 .cse3 .cse4 .cse17) (and .cse0 .cse8 .cse2 .cse12) (and .cse6 .cse2 .cse4 .cse11) (and .cse14 .cse8 (< 0 .cse18) .cse15 .cse2 .cse10) (and .cse5 .cse2 (not .cse0) .cse4 .cse7) (and .cse16 .cse2 .cse13 .cse4 .cse10)))) [2021-12-21 10:58:36,512 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,512 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,513 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,513 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,513 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,513 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,513 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,513 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,513 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-21 10:58:36,514 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-21 10:58:36,514 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-21 10:58:36,514 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-21 10:58:36,514 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-21 10:58:36,514 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-21 10:58:36,514 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-21 10:58:36,514 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,515 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,515 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,515 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,515 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,515 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,515 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,515 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,516 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,516 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,516 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 10:58:36,516 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-21 10:58:36,516 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-21 10:58:36,516 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-21 10:58:36,516 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-21 10:58:36,516 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,517 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,517 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,517 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,517 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,517 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-21 10:58:36,517 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-21 10:58:36,517 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-21 10:58:36,518 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,518 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,518 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,518 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,518 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-21 10:58:36,518 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-21 10:58:36,518 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,518 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,519 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,519 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,519 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,519 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,519 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-21 10:58:36,519 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-21 10:58:36,519 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,520 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,520 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-21 10:58:36,520 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-21 10:58:36,520 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-21 10:58:36,520 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 10:58:36,520 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 205) no Hoare annotation was computed. [2021-12-21 10:58:36,520 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,520 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,521 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,521 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,521 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,521 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,521 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,521 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-21 10:58:36,521 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-21 10:58:36,522 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-21 10:58:36,522 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-21 10:58:36,522 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-21 10:58:36,522 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-21 10:58:36,522 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-21 10:58:36,522 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,522 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,523 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-21 10:58:36,523 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-21 10:58:36,523 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,523 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,523 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,523 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,523 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,524 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-21 10:58:36,524 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-21 10:58:36,524 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-21 10:58:36,524 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,524 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,524 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,524 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,524 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,525 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,525 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-21 10:58:36,525 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-21 10:58:36,525 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-21 10:58:36,525 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,525 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,525 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,526 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,526 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,526 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,526 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,526 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,526 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-21 10:58:36,526 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-21 10:58:36,527 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-21 10:58:36,527 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,527 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,527 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,527 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,527 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,527 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,528 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,528 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,528 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,528 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,528 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,528 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-21 10:58:36,528 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-21 10:58:36,528 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-21 10:58:36,529 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-21 10:58:36,529 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-21 10:58:36,529 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,529 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,529 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,529 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,529 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,530 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,530 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,530 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-21 10:58:36,530 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-21 10:58:36,530 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-21 10:58:36,530 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,530 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,530 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,531 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-21 10:58:36,531 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-21 10:58:36,531 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,531 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,531 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,531 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,531 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,531 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-21 10:58:36,532 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-21 10:58:36,532 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,532 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,532 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-21 10:58:36,532 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-21 10:58:36,532 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,532 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 10:58:36,533 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,533 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,533 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,533 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,533 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,533 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-21 10:58:36,533 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-21 10:58:36,533 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-21 10:58:36,534 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-21 10:58:36,534 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,534 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,534 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,534 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,534 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,534 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,535 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,535 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,535 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-21 10:58:36,535 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-21 10:58:36,535 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-21 10:58:36,535 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-21 10:58:36,535 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-21 10:58:36,535 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-21 10:58:36,536 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,536 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,536 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,536 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,536 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,536 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,536 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,537 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-21 10:58:36,537 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-21 10:58:36,537 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 10:58:36,537 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,537 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,537 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,537 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,538 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,538 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,538 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-21 10:58:36,538 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-21 10:58:36,538 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,538 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,538 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,539 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,539 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,539 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,539 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,539 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-21 10:58:36,539 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-21 10:58:36,539 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,539 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,540 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-21 10:58:36,540 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-21 10:58:36,540 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-21 10:58:36,540 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-21 10:58:36,543 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:58:36,544 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 10:58:36,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 10:58:36 BoogieIcfgContainer [2021-12-21 10:58:36,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 10:58:36,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 10:58:36,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 10:58:36,565 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 10:58:36,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:58:03" (3/4) ... [2021-12-21 10:58:36,569 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 10:58:36,590 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 10:58:36,591 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 10:58:36,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 10:58:36,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 10:58:36,718 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 10:58:36,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 10:58:36,719 INFO L158 Benchmark]: Toolchain (without parser) took 35618.60ms. Allocated memory was 81.8MB in the beginning and 943.7MB in the end (delta: 861.9MB). Free memory was 50.9MB in the beginning and 238.1MB in the end (delta: -187.2MB). Peak memory consumption was 676.3MB. Max. memory is 16.1GB. [2021-12-21 10:58:36,719 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 10:58:36,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.13ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 50.6MB in the beginning and 75.7MB in the end (delta: -25.1MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2021-12-21 10:58:36,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.25ms. Allocated memory is still 107.0MB. Free memory was 75.7MB in the beginning and 58.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-21 10:58:36,720 INFO L158 Benchmark]: Boogie Preprocessor took 130.74ms. Allocated memory is still 107.0MB. Free memory was 58.5MB in the beginning and 49.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 10:58:36,720 INFO L158 Benchmark]: RCFGBuilder took 1543.26ms. Allocated memory was 107.0MB in the beginning and 178.3MB in the end (delta: 71.3MB). Free memory was 49.4MB in the beginning and 98.4MB in the end (delta: -49.0MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2021-12-21 10:58:36,721 INFO L158 Benchmark]: TraceAbstraction took 32918.35ms. Allocated memory was 178.3MB in the beginning and 943.7MB in the end (delta: 765.5MB). Free memory was 97.4MB in the beginning and 263.5MB in the end (delta: -166.2MB). Peak memory consumption was 701.7MB. Max. memory is 16.1GB. [2021-12-21 10:58:36,721 INFO L158 Benchmark]: Witness Printer took 153.11ms. Allocated memory is still 943.7MB. Free memory was 263.5MB in the beginning and 238.1MB in the end (delta: 25.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-21 10:58:36,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.13ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 50.6MB in the beginning and 75.7MB in the end (delta: -25.1MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.25ms. Allocated memory is still 107.0MB. Free memory was 75.7MB in the beginning and 58.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.74ms. Allocated memory is still 107.0MB. Free memory was 58.5MB in the beginning and 49.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1543.26ms. Allocated memory was 107.0MB in the beginning and 178.3MB in the end (delta: 71.3MB). Free memory was 49.4MB in the beginning and 98.4MB in the end (delta: -49.0MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * TraceAbstraction took 32918.35ms. Allocated memory was 178.3MB in the beginning and 943.7MB in the end (delta: 765.5MB). Free memory was 97.4MB in the beginning and 263.5MB in the end (delta: -166.2MB). Peak memory consumption was 701.7MB. Max. memory is 16.1GB. * Witness Printer took 153.11ms. Allocated memory is still 943.7MB. Free memory was 263.5MB in the beginning and 238.1MB in the end (delta: 25.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 205]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.8s, OverallIterations: 20, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 16.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2875 SdHoareTripleChecker+Valid, 14.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2875 mSDsluCounter, 3897 SdHoareTripleChecker+Invalid, 11.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 471 mSDsCounter, 2026 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12698 IncrementalHoareTripleChecker+Invalid, 14724 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2026 mSolverCounterUnsat, 3426 mSDtfsCounter, 12698 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 844 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22887occurred in iteration=18, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 20 MinimizatonAttempts, 16859 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 245 NumberOfFragments, 655 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3746 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 22704 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 9013 NumberOfCodeBlocks, 9013 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 8991 ConstructedInterpolants, 0 QuantifiedInterpolants, 20770 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1081 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 22 InterpolantComputations, 20 PerfectInterpolantSequences, 13232/13734 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: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a23 + 43 <= 0 && a25 == 12) && a8 <= 15) && a29 <= 220) && a4 == 1) || ((((a25 == 11 && a29 <= 274) && a8 <= 15) && a4 == 1) && 246 <= a29)) || (((a4 == 0 && a29 + 22 <= 0) && a8 <= 15) && a25 == 10)) || ((((a4 == 0 && a29 + 22 <= 0) && a8 <= 15) && a23 <= 312) && 13 <= a25)) || (((a25 == 12 && a8 <= 15) && 28470 + a29 <= 0) && a4 == 1)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && a29 <= 599998)) || ((((a29 <= 140 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || (((((a4 == 0 && a25 == 11) && a8 <= 15) && a29 <= 599998) && a23 <= 312) && 246 <= a29)) || ((a25 <= 10 && a8 <= 15) && a4 == 1)) || ((((a25 == 12 && 0 < (a23 + -139) / 83 + 1) && a8 <= 15) && a4 == 1) && a23 <= 312)) || ((((a25 == 12 && a8 <= 15) && a4 == 1) && 312 <= a23) && a29 <= 231)) || ((((0 < (a23 + -139) / 83 + 1 && a8 <= 15) && a29 <= 599998) && a4 == 1) && 246 <= a29)) || (((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a8 <= 15) && a29 <= 599998) && 246 <= a29)) || (((a8 <= 15 && a29 <= 220) && a4 == 1) && 312 <= a23)) || (((a23 + 43 <= 0 && a4 == 0) && a8 <= 15) && 28470 + a29 <= 0)) || (((a29 <= 274 && a8 <= 15) && a4 == 1) && 13 <= a25)) || (((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a8 <= 15) && a23 <= 312)) || ((((a25 == 11 && a8 <= 15) && !(a23 + 43 <= 0)) && a4 == 1) && 246 <= a29)) || ((((0 < (a23 + -139) / 83 + 1 && a8 <= 15) && a29 <= 599998) && a4 == 1) && a23 <= 312) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a23 + 43 <= 0 && a25 == 12) && a8 <= 15) && a29 <= 220) && a4 == 1) || ((((a25 == 11 && a29 <= 274) && a8 <= 15) && a4 == 1) && 246 <= a29)) || (((a4 == 0 && a29 + 22 <= 0) && a8 <= 15) && a25 == 10)) || ((((a4 == 0 && a29 + 22 <= 0) && a8 <= 15) && a23 <= 312) && 13 <= a25)) || (((a25 == 12 && a8 <= 15) && 28470 + a29 <= 0) && a4 == 1)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && a29 <= 599998)) || ((((a29 <= 140 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || (((((a4 == 0 && a25 == 11) && a8 <= 15) && a29 <= 599998) && a23 <= 312) && 246 <= a29)) || ((a25 <= 10 && a8 <= 15) && a4 == 1)) || ((((a25 == 12 && 0 < (a23 + -139) / 83 + 1) && a8 <= 15) && a4 == 1) && a23 <= 312)) || ((((a25 == 12 && a8 <= 15) && a4 == 1) && 312 <= a23) && a29 <= 231)) || ((((0 < (a23 + -139) / 83 + 1 && a8 <= 15) && a29 <= 599998) && a4 == 1) && 246 <= a29)) || (((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a8 <= 15) && a29 <= 599998) && 246 <= a29)) || (((a8 <= 15 && a29 <= 220) && a4 == 1) && 312 <= a23)) || (((a23 + 43 <= 0 && a4 == 0) && a8 <= 15) && 28470 + a29 <= 0)) || (((a29 <= 274 && a8 <= 15) && a4 == 1) && 13 <= a25)) || (((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a8 <= 15) && a23 <= 312)) || ((((a25 == 11 && a8 <= 15) && !(a23 + 43 <= 0)) && a4 == 1) && 246 <= a29)) || ((((0 < (a23 + -139) / 83 + 1 && a8 <= 15) && a29 <= 599998) && a4 == 1) && a23 <= 312) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-21 10:58:36,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE