./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label03.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/Problem10_label03.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 952556ed09eb97342c813289f4f977504950938040f886fc499d9dbce543872a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 10:56:42,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 10:56:42,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 10:56:42,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 10:56:42,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 10:56:42,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 10:56:42,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 10:56:42,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 10:56:42,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 10:56:42,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 10:56:42,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 10:56:42,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 10:56:42,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 10:56:42,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 10:56:42,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 10:56:42,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 10:56:42,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 10:56:42,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 10:56:42,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 10:56:42,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 10:56:42,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 10:56:42,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 10:56:42,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 10:56:42,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 10:56:42,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 10:56:42,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 10:56:42,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 10:56:42,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 10:56:42,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 10:56:42,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 10:56:42,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 10:56:42,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 10:56:42,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 10:56:42,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 10:56:42,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 10:56:42,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 10:56:42,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 10:56:42,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 10:56:42,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 10:56:42,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 10:56:42,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 10:56:42,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 10:56:42,848 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 10:56:42,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 10:56:42,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 10:56:42,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 10:56:42,849 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 10:56:42,849 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 10:56:42,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 10:56:42,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 10:56:42,850 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 10:56:42,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 10:56:42,851 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 10:56:42,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 10:56:42,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 10:56:42,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 10:56:42,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 10:56:42,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 10:56:42,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 10:56:42,852 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 10:56:42,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 10:56:42,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 10:56:42,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 10:56:42,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 10:56:42,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 10:56:42,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 10:56:42,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:56:42,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 10:56:42,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 10:56:42,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 10:56:42,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 10:56:42,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 10:56:42,854 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 10:56:42,854 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 10:56:42,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 10:56:42,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 10:56:42,855 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 952556ed09eb97342c813289f4f977504950938040f886fc499d9dbce543872a [2021-12-21 10:56:43,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 10:56:43,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 10:56:43,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 10:56:43,070 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 10:56:43,071 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 10:56:43,071 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label03.c [2021-12-21 10:56:43,113 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b537609b/1c53d0a3c2ff4e3baa8597eb695421e0/FLAG122cc7360 [2021-12-21 10:56:43,493 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 10:56:43,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label03.c [2021-12-21 10:56:43,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b537609b/1c53d0a3c2ff4e3baa8597eb695421e0/FLAG122cc7360 [2021-12-21 10:56:43,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b537609b/1c53d0a3c2ff4e3baa8597eb695421e0 [2021-12-21 10:56:43,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 10:56:43,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 10:56:43,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 10:56:43,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 10:56:43,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 10:56:43,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:56:43" (1/1) ... [2021-12-21 10:56:43,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d0e0f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:56:43, skipping insertion in model container [2021-12-21 10:56:43,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:56:43" (1/1) ... [2021-12-21 10:56:43,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 10:56:43,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 10:56:44,112 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/Problem10_label03.c[4220,4233] [2021-12-21 10:56:44,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:56:44,229 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 10:56:44,248 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/Problem10_label03.c[4220,4233] [2021-12-21 10:56:44,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:56:44,307 INFO L208 MainTranslator]: Completed translation [2021-12-21 10:56:44,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:56:44 WrapperNode [2021-12-21 10:56:44,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 10:56:44,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 10:56:44,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 10:56:44,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 10:56:44,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:56:44" (1/1) ... [2021-12-21 10:56:44,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:56:44" (1/1) ... [2021-12-21 10:56:44,400 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2021-12-21 10:56:44,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 10:56:44,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 10:56:44,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 10:56:44,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 10:56:44,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:56:44" (1/1) ... [2021-12-21 10:56:44,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:56:44" (1/1) ... [2021-12-21 10:56:44,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:56:44" (1/1) ... [2021-12-21 10:56:44,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:56:44" (1/1) ... [2021-12-21 10:56:44,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:56:44" (1/1) ... [2021-12-21 10:56:44,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:56:44" (1/1) ... [2021-12-21 10:56:44,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:56:44" (1/1) ... [2021-12-21 10:56:44,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 10:56:44,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 10:56:44,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 10:56:44,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 10:56:44,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:56:44" (1/1) ... [2021-12-21 10:56:44,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:56:44,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:56:44,483 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 10:56:44,490 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 10:56:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 10:56:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 10:56:44,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 10:56:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 10:56:44,550 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 10:56:44,551 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 10:56:45,280 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 10:56:45,289 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 10:56:45,290 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 10:56:45,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:56:45 BoogieIcfgContainer [2021-12-21 10:56:45,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 10:56:45,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 10:56:45,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 10:56:45,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 10:56:45,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:56:43" (1/3) ... [2021-12-21 10:56:45,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191ad966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:56:45, skipping insertion in model container [2021-12-21 10:56:45,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:56:44" (2/3) ... [2021-12-21 10:56:45,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191ad966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:56:45, skipping insertion in model container [2021-12-21 10:56:45,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:56:45" (3/3) ... [2021-12-21 10:56:45,297 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label03.c [2021-12-21 10:56:45,301 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 10:56:45,301 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 10:56:45,340 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 10:56:45,347 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 10:56:45,347 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 10:56:45,362 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 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 10:56:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-21 10:56:45,374 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:56:45,374 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] [2021-12-21 10:56:45,375 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:56:45,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:56:45,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1318097310, now seen corresponding path program 1 times [2021-12-21 10:56:45,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:56:45,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6776442] [2021-12-21 10:56:45,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:56:45,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:56:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:56:45,597 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 10:56:45,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:56:45,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6776442] [2021-12-21 10:56:45,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6776442] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:56:45,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:56:45,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:56:45,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318247072] [2021-12-21 10:56:45,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:56:45,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:56:45,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:56:45,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:56:45,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:56:45,627 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 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 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 10:56:46,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:56:46,188 INFO L93 Difference]: Finished difference Result 567 states and 981 transitions. [2021-12-21 10:56:46,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:56:46,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 36 [2021-12-21 10:56:46,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:56:46,198 INFO L225 Difference]: With dead ends: 567 [2021-12-21 10:56:46,198 INFO L226 Difference]: Without dead ends: 282 [2021-12-21 10:56:46,201 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 10:56:46,203 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 164 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:56:46,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 32 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 10:56:46,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-12-21 10:56:46,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-12-21 10:56:46,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.5373665480427046) internal successors, (432), 281 states have internal predecessors, (432), 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 10:56:46,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2021-12-21 10:56:46,237 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 36 [2021-12-21 10:56:46,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:56:46,237 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2021-12-21 10:56:46,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 10:56:46,238 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2021-12-21 10:56:46,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-21 10:56:46,240 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:56:46,240 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:46,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 10:56:46,240 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:56:46,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:56:46,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1859366958, now seen corresponding path program 1 times [2021-12-21 10:56:46,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:56:46,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47421207] [2021-12-21 10:56:46,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:56:46,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:56:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:56:46,325 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:56:46,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:56:46,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47421207] [2021-12-21 10:56:46,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47421207] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:56:46,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:56:46,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:56:46,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508420047] [2021-12-21 10:56:46,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:56:46,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:56:46,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:56:46,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:56:46,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:56:46,328 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 10:56:46,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:56:46,684 INFO L93 Difference]: Finished difference Result 840 states and 1291 transitions. [2021-12-21 10:56:46,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:56:46,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 102 [2021-12-21 10:56:46,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:56:46,697 INFO L225 Difference]: With dead ends: 840 [2021-12-21 10:56:46,697 INFO L226 Difference]: Without dead ends: 560 [2021-12-21 10:56:46,702 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 10:56:46,703 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 106 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 10:56:46,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 226 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 10:56:46,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-12-21 10:56:46,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-12-21 10:56:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.3059033989266546) internal successors, (730), 559 states have internal predecessors, (730), 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 10:56:46,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2021-12-21 10:56:46,721 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 102 [2021-12-21 10:56:46,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:56:46,722 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2021-12-21 10:56:46,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 10:56:46,722 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2021-12-21 10:56:46,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-12-21 10:56:46,725 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:56:46,725 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:46,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 10:56:46,725 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:56:46,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:56:46,726 INFO L85 PathProgramCache]: Analyzing trace with hash 927047233, now seen corresponding path program 1 times [2021-12-21 10:56:46,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:56:46,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319366698] [2021-12-21 10:56:46,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:56:46,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:56:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:56:46,826 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:56:46,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:56:46,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319366698] [2021-12-21 10:56:46,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319366698] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:56:46,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:56:46,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:56:46,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511068409] [2021-12-21 10:56:46,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:56:46,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:56:46,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:56:46,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:56:46,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:56:46,831 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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 10:56:47,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:56:47,164 INFO L93 Difference]: Finished difference Result 1257 states and 1672 transitions. [2021-12-21 10:56:47,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:56:47,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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 109 [2021-12-21 10:56:47,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:56:47,167 INFO L225 Difference]: With dead ends: 1257 [2021-12-21 10:56:47,167 INFO L226 Difference]: Without dead ends: 699 [2021-12-21 10:56:47,168 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 10:56:47,168 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 69 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 10:56:47,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 52 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 10:56:47,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-12-21 10:56:47,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2021-12-21 10:56:47,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2951289398280803) internal successors, (904), 698 states have internal predecessors, (904), 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 10:56:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 904 transitions. [2021-12-21 10:56:47,181 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 904 transitions. Word has length 109 [2021-12-21 10:56:47,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:56:47,182 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 904 transitions. [2021-12-21 10:56:47,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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 10:56:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 904 transitions. [2021-12-21 10:56:47,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-21 10:56:47,187 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:56:47,187 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:47,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 10:56:47,188 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:56:47,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:56:47,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1430752311, now seen corresponding path program 1 times [2021-12-21 10:56:47,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:56:47,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449481076] [2021-12-21 10:56:47,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:56:47,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:56:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:56:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:56:47,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:56:47,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449481076] [2021-12-21 10:56:47,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449481076] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:56:47,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:56:47,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:56:47,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396322931] [2021-12-21 10:56:47,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:56:47,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:56:47,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:56:47,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:56:47,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:56:47,244 INFO L87 Difference]: Start difference. First operand 699 states and 904 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 10:56:47,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:56:47,597 INFO L93 Difference]: Finished difference Result 1674 states and 2235 transitions. [2021-12-21 10:56:47,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:56:47,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 113 [2021-12-21 10:56:47,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:56:47,602 INFO L225 Difference]: With dead ends: 1674 [2021-12-21 10:56:47,602 INFO L226 Difference]: Without dead ends: 977 [2021-12-21 10:56:47,603 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 10:56:47,604 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 68 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 10:56:47,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 77 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 10:56:47,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-12-21 10:56:47,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 699. [2021-12-21 10:56:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2736389684813754) internal successors, (889), 698 states have internal predecessors, (889), 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 10:56:47,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2021-12-21 10:56:47,614 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 113 [2021-12-21 10:56:47,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:56:47,615 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2021-12-21 10:56:47,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 10:56:47,615 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2021-12-21 10:56:47,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-21 10:56:47,617 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:56:47,617 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 10:56:47,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 10:56:47,618 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:56:47,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:56:47,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1859670361, now seen corresponding path program 1 times [2021-12-21 10:56:47,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:56:47,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317106190] [2021-12-21 10:56:47,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:56:47,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:56:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:56:47,751 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:56:47,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:56:47,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317106190] [2021-12-21 10:56:47,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317106190] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:56:47,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:56:47,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 10:56:47,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84083122] [2021-12-21 10:56:47,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:56:47,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 10:56:47,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:56:47,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 10:56:47,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-21 10:56:47,755 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 6 states have internal predecessors, (184), 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 10:56:48,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:56:48,188 INFO L93 Difference]: Finished difference Result 1312 states and 1682 transitions. [2021-12-21 10:56:48,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 10:56:48,188 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 6 states have internal predecessors, (184), 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 184 [2021-12-21 10:56:48,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:56:48,191 INFO L225 Difference]: With dead ends: 1312 [2021-12-21 10:56:48,191 INFO L226 Difference]: Without dead ends: 699 [2021-12-21 10:56:48,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-21 10:56:48,193 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 179 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 10:56:48,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 30 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-21 10:56:48,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-12-21 10:56:48,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2021-12-21 10:56:48,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2679083094555874) internal successors, (885), 698 states have internal predecessors, (885), 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 10:56:48,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 885 transitions. [2021-12-21 10:56:48,203 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 885 transitions. Word has length 184 [2021-12-21 10:56:48,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:56:48,204 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 885 transitions. [2021-12-21 10:56:48,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 6 states have internal predecessors, (184), 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 10:56:48,204 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 885 transitions. [2021-12-21 10:56:48,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-21 10:56:48,205 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:56:48,206 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 10:56:48,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 10:56:48,206 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:56:48,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:56:48,206 INFO L85 PathProgramCache]: Analyzing trace with hash 125528837, now seen corresponding path program 1 times [2021-12-21 10:56:48,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:56:48,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672519665] [2021-12-21 10:56:48,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:56:48,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:56:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:56:48,317 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-12-21 10:56:48,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:56:48,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672519665] [2021-12-21 10:56:48,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672519665] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:56:48,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:56:48,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:56:48,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122506478] [2021-12-21 10:56:48,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:56:48,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:56:48,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:56:48,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:56:48,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:56:48,319 INFO L87 Difference]: Start difference. First operand 699 states and 885 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 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 10:56:48,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:56:48,698 INFO L93 Difference]: Finished difference Result 1271 states and 1634 transitions. [2021-12-21 10:56:48,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 10:56:48,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 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 196 [2021-12-21 10:56:48,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:56:48,700 INFO L225 Difference]: With dead ends: 1271 [2021-12-21 10:56:48,700 INFO L226 Difference]: Without dead ends: 713 [2021-12-21 10:56:48,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 10:56:48,702 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 130 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 10:56:48,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 96 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 10:56:48,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2021-12-21 10:56:48,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 699. [2021-12-21 10:56:48,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2607449856733524) internal successors, (880), 698 states have internal predecessors, (880), 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 10:56:48,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 880 transitions. [2021-12-21 10:56:48,715 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 880 transitions. Word has length 196 [2021-12-21 10:56:48,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:56:48,715 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 880 transitions. [2021-12-21 10:56:48,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 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 10:56:48,716 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 880 transitions. [2021-12-21 10:56:48,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-21 10:56:48,717 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:56:48,718 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 10:56:48,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 10:56:48,718 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:56:48,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:56:48,719 INFO L85 PathProgramCache]: Analyzing trace with hash -2074233919, now seen corresponding path program 1 times [2021-12-21 10:56:48,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:56:48,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81388643] [2021-12-21 10:56:48,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:56:48,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:56:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:56:48,845 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-12-21 10:56:48,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:56:48,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81388643] [2021-12-21 10:56:48,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81388643] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:56:48,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:56:48,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:56:48,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98614754] [2021-12-21 10:56:48,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:56:48,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:56:48,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:56:48,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:56:48,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:56:48,847 INFO L87 Difference]: Start difference. First operand 699 states and 880 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 10:56:49,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:56:49,146 INFO L93 Difference]: Finished difference Result 1535 states and 2042 transitions. [2021-12-21 10:56:49,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:56:49,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 220 [2021-12-21 10:56:49,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:56:49,149 INFO L225 Difference]: With dead ends: 1535 [2021-12-21 10:56:49,149 INFO L226 Difference]: Without dead ends: 977 [2021-12-21 10:56:49,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 10:56:49,150 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 112 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 10:56:49,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 71 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 10:56:49,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-12-21 10:56:49,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 838. [2021-12-21 10:56:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2759856630824373) internal successors, (1068), 837 states have internal predecessors, (1068), 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 10:56:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1068 transitions. [2021-12-21 10:56:49,162 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1068 transitions. Word has length 220 [2021-12-21 10:56:49,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:56:49,163 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1068 transitions. [2021-12-21 10:56:49,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 10:56:49,163 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1068 transitions. [2021-12-21 10:56:49,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-12-21 10:56:49,165 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:56:49,165 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 10:56:49,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 10:56:49,166 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:56:49,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:56:49,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1399677776, now seen corresponding path program 1 times [2021-12-21 10:56:49,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:56:49,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76476823] [2021-12-21 10:56:49,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:56:49,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:56:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:56:49,223 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:56:49,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:56:49,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76476823] [2021-12-21 10:56:49,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76476823] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:56:49,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:56:49,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:56:49,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267515928] [2021-12-21 10:56:49,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:56:49,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:56:49,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:56:49,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:56:49,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:56:49,226 INFO L87 Difference]: Start difference. First operand 838 states and 1068 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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 10:56:49,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:56:49,517 INFO L93 Difference]: Finished difference Result 1535 states and 1991 transitions. [2021-12-21 10:56:49,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:56:49,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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 225 [2021-12-21 10:56:49,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:56:49,520 INFO L225 Difference]: With dead ends: 1535 [2021-12-21 10:56:49,520 INFO L226 Difference]: Without dead ends: 838 [2021-12-21 10:56:49,521 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 10:56:49,522 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 77 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 10:56:49,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 188 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 10:56:49,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-12-21 10:56:49,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-12-21 10:56:49,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.1827956989247312) internal successors, (990), 837 states have internal predecessors, (990), 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 10:56:49,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 990 transitions. [2021-12-21 10:56:49,534 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 990 transitions. Word has length 225 [2021-12-21 10:56:49,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:56:49,537 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 990 transitions. [2021-12-21 10:56:49,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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 10:56:49,537 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 990 transitions. [2021-12-21 10:56:49,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-21 10:56:49,539 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:56:49,539 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 10:56:49,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 10:56:49,543 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:56:49,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:56:49,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1141183502, now seen corresponding path program 1 times [2021-12-21 10:56:49,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:56:49,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852561507] [2021-12-21 10:56:49,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:56:49,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:56:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:56:49,672 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 67 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:56:49,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:56:49,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852561507] [2021-12-21 10:56:49,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852561507] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 10:56:49,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451023340] [2021-12-21 10:56:49,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:56:49,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 10:56:49,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:56:49,680 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 10:56:49,707 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 10:56:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:56:49,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 10:56:49,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 10:56:50,196 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-12-21 10:56:50,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 10:56:50,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451023340] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:56:50,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 10:56:50,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-21 10:56:50,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858880042] [2021-12-21 10:56:50,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:56:50,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:56:50,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:56:50,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:56:50,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-21 10:56:50,198 INFO L87 Difference]: Start difference. First operand 838 states and 990 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 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 10:56:50,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:56:50,502 INFO L93 Difference]: Finished difference Result 1952 states and 2342 transitions. [2021-12-21 10:56:50,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:56:50,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 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 237 [2021-12-21 10:56:50,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:56:50,505 INFO L225 Difference]: With dead ends: 1952 [2021-12-21 10:56:50,506 INFO L226 Difference]: Without dead ends: 1255 [2021-12-21 10:56:50,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-21 10:56:50,507 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 64 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 10:56:50,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 35 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 10:56:50,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2021-12-21 10:56:50,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2021-12-21 10:56:50,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.145933014354067) internal successors, (1437), 1254 states have internal predecessors, (1437), 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 10:56:50,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1437 transitions. [2021-12-21 10:56:50,523 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1437 transitions. Word has length 237 [2021-12-21 10:56:50,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:56:50,523 INFO L470 AbstractCegarLoop]: Abstraction has 1255 states and 1437 transitions. [2021-12-21 10:56:50,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 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 10:56:50,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1437 transitions. [2021-12-21 10:56:50,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-21 10:56:50,525 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:56:50,526 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 10:56:50,547 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 10:56:50,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 10:56:50,739 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:56:50,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:56:50,740 INFO L85 PathProgramCache]: Analyzing trace with hash 570805342, now seen corresponding path program 1 times [2021-12-21 10:56:50,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:56:50,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888175849] [2021-12-21 10:56:50,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:56:50,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:56:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:56:50,825 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-12-21 10:56:50,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:56:50,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888175849] [2021-12-21 10:56:50,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888175849] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:56:50,825 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:56:50,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:56:50,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074069452] [2021-12-21 10:56:50,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:56:50,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:56:50,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:56:50,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:56:50,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:56:50,827 INFO L87 Difference]: Start difference. First operand 1255 states and 1437 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 10:56:51,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:56:51,136 INFO L93 Difference]: Finished difference Result 2369 states and 2729 transitions. [2021-12-21 10:56:51,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:56:51,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 10:56:51,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:56:51,140 INFO L225 Difference]: With dead ends: 2369 [2021-12-21 10:56:51,140 INFO L226 Difference]: Without dead ends: 1255 [2021-12-21 10:56:51,141 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 10:56:51,142 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 112 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 10:56:51,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 200 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 10:56:51,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2021-12-21 10:56:51,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2021-12-21 10:56:51,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.1103139013452914) internal successors, (1238), 1115 states have internal predecessors, (1238), 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 10:56:51,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1238 transitions. [2021-12-21 10:56:51,156 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1238 transitions. Word has length 245 [2021-12-21 10:56:51,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:56:51,157 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1238 transitions. [2021-12-21 10:56:51,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 10:56:51,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1238 transitions. [2021-12-21 10:56:51,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-12-21 10:56:51,161 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:56:51,161 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:56:51,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-21 10:56:51,161 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:56:51,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:56:51,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1986888687, now seen corresponding path program 1 times [2021-12-21 10:56:51,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:56:51,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647291934] [2021-12-21 10:56:51,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:56:51,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:56:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:56:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 174 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:56:51,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:56:51,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647291934] [2021-12-21 10:56:51,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647291934] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 10:56:51,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735683321] [2021-12-21 10:56:51,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:56:51,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 10:56:51,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:56:51,261 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 10:56:51,263 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 10:56:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:56:51,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 10:56:51,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 10:56:51,757 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-12-21 10:56:51,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 10:56:51,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735683321] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:56:51,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 10:56:51,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-21 10:56:51,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321534018] [2021-12-21 10:56:51,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:56:51,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:56:51,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:56:51,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:56:51,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-21 10:56:51,760 INFO L87 Difference]: Start difference. First operand 1116 states and 1238 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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 10:56:52,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:56:52,088 INFO L93 Difference]: Finished difference Result 2230 states and 2509 transitions. [2021-12-21 10:56:52,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:56:52,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 298 [2021-12-21 10:56:52,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:56:52,091 INFO L225 Difference]: With dead ends: 2230 [2021-12-21 10:56:52,091 INFO L226 Difference]: Without dead ends: 1255 [2021-12-21 10:56:52,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-21 10:56:52,093 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 87 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 10:56:52,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 19 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 10:56:52,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2021-12-21 10:56:52,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2021-12-21 10:56:52,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.121212121212121) internal successors, (1406), 1254 states have internal predecessors, (1406), 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 10:56:52,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1406 transitions. [2021-12-21 10:56:52,108 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1406 transitions. Word has length 298 [2021-12-21 10:56:52,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:56:52,108 INFO L470 AbstractCegarLoop]: Abstraction has 1255 states and 1406 transitions. [2021-12-21 10:56:52,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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 10:56:52,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1406 transitions. [2021-12-21 10:56:52,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-12-21 10:56:52,111 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:56:52,111 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:56:52,134 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 10:56:52,326 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,SelfDestructingSolverStorable10 [2021-12-21 10:56:52,326 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:56:52,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:56:52,327 INFO L85 PathProgramCache]: Analyzing trace with hash -191746922, now seen corresponding path program 1 times [2021-12-21 10:56:52,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:56:52,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155466695] [2021-12-21 10:56:52,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:56:52,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:56:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:56:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2021-12-21 10:56:52,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:56:52,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155466695] [2021-12-21 10:56:52,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155466695] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:56:52,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:56:52,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:56:52,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431458473] [2021-12-21 10:56:52,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:56:52,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:56:52,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:56:52,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:56:52,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:56:52,457 INFO L87 Difference]: Start difference. First operand 1255 states and 1406 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 10:56:52,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:56:52,764 INFO L93 Difference]: Finished difference Result 1672 states and 1900 transitions. [2021-12-21 10:56:52,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:56:52,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 308 [2021-12-21 10:56:52,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:56:52,765 INFO L225 Difference]: With dead ends: 1672 [2021-12-21 10:56:52,765 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 10:56:52,766 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 10:56:52,767 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 148 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-21 10:56:52,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 8 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-21 10:56:52,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 10:56:52,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 10:56:52,767 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 10:56:52,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 10:56:52,767 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 308 [2021-12-21 10:56:52,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:56:52,767 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 10:56:52,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 10:56:52,768 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 10:56:52,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 10:56:52,769 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 10:56:52,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-21 10:56:52,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 10:56:53,008 INFO L858 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2021-12-21 10:56:53,008 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-12-21 10:56:53,008 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-12-21 10:56:53,008 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-12-21 10:56:53,008 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-12-21 10:56:53,008 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-12-21 10:56:53,008 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,009 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,009 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,009 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,009 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,009 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,009 INFO L858 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-12-21 10:56:53,009 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-21 10:56:53,009 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-21 10:56:53,009 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-21 10:56:53,009 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-21 10:56:53,009 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-21 10:56:53,009 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-21 10:56:53,009 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-12-21 10:56:53,009 INFO L858 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-12-21 10:56:53,009 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-21 10:56:53,010 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-21 10:56:53,011 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-21 10:56:53,012 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-21 10:56:53,013 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-21 10:56:53,014 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-21 10:56:53,015 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-21 10:56:53,015 INFO L854 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse2 (= ~a10~0 1)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (= ~a10~0 0) .cse0 .cse1) (and (<= ~a19~0 9) (not .cse2) .cse0 .cse1) (and (<= 7 ~a19~0) .cse2 .cse0 .cse1))) [2021-12-21 10:56:53,015 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-12-21 10:56:53,015 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-12-21 10:56:53,015 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-12-21 10:56:53,015 INFO L858 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-12-21 10:56:53,015 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,015 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,015 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,015 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,015 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,015 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-12-21 10:56:53,015 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-12-21 10:56:53,015 INFO L858 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L861 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,016 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-12-21 10:56:53,017 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L854 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (= ~a10~0 1)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (= ~a10~0 0) .cse0 .cse1) (and (<= ~a19~0 9) (not .cse2) .cse0 .cse1) (and (<= 7 ~a19~0) .cse2 .cse0 .cse1))) [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,018 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-12-21 10:56:53,019 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-12-21 10:56:53,019 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-12-21 10:56:53,019 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-21 10:56:53,019 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-21 10:56:53,019 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-21 10:56:53,019 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-21 10:56:53,023 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-21 10:56:53,023 INFO L858 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-12-21 10:56:53,023 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 10:56:53,023 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2021-12-21 10:56:53,023 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-12-21 10:56:53,023 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-12-21 10:56:53,023 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-12-21 10:56:53,023 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-12-21 10:56:53,023 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,023 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,023 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,023 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,023 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,023 INFO L858 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-12-21 10:56:53,024 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-12-21 10:56:53,024 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-12-21 10:56:53,024 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-12-21 10:56:53,024 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-21 10:56:53,024 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-21 10:56:53,024 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-21 10:56:53,024 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-21 10:56:53,024 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-21 10:56:53,024 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-21 10:56:53,027 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:56:53,028 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 10:56:53,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 10:56:53 BoogieIcfgContainer [2021-12-21 10:56:53,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 10:56:53,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 10:56:53,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 10:56:53,039 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 10:56:53,047 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:56:45" (3/4) ... [2021-12-21 10:56:53,049 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 10:56:53,070 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 10:56:53,071 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 10:56:53,072 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 10:56:53,072 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 10:56:53,157 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 10:56:53,157 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 10:56:53,158 INFO L158 Benchmark]: Toolchain (without parser) took 9286.55ms. Allocated memory was 119.5MB in the beginning and 247.5MB in the end (delta: 127.9MB). Free memory was 88.8MB in the beginning and 176.5MB in the end (delta: -87.7MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2021-12-21 10:56:53,158 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 10:56:53,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.44ms. Allocated memory is still 119.5MB. Free memory was 88.6MB in the beginning and 80.3MB in the end (delta: 8.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-21 10:56:53,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.92ms. Allocated memory is still 119.5MB. Free memory was 80.3MB in the beginning and 72.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 10:56:53,160 INFO L158 Benchmark]: Boogie Preprocessor took 58.18ms. Allocated memory is still 119.5MB. Free memory was 72.6MB in the beginning and 67.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 10:56:53,160 INFO L158 Benchmark]: RCFGBuilder took 831.82ms. Allocated memory is still 119.5MB. Free memory was 67.8MB in the beginning and 62.3MB in the end (delta: 5.5MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2021-12-21 10:56:53,160 INFO L158 Benchmark]: TraceAbstraction took 7745.52ms. Allocated memory was 119.5MB in the beginning and 247.5MB in the end (delta: 127.9MB). Free memory was 61.7MB in the beginning and 191.2MB in the end (delta: -129.5MB). Peak memory consumption was 91.0MB. Max. memory is 16.1GB. [2021-12-21 10:56:53,161 INFO L158 Benchmark]: Witness Printer took 118.57ms. Allocated memory is still 247.5MB. Free memory was 191.2MB in the beginning and 176.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-21 10:56:53,162 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.44ms. Allocated memory is still 119.5MB. Free memory was 88.6MB in the beginning and 80.3MB in the end (delta: 8.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.92ms. Allocated memory is still 119.5MB. Free memory was 80.3MB in the beginning and 72.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.18ms. Allocated memory is still 119.5MB. Free memory was 72.6MB in the beginning and 67.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 831.82ms. Allocated memory is still 119.5MB. Free memory was 67.8MB in the beginning and 62.3MB in the end (delta: 5.5MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * TraceAbstraction took 7745.52ms. Allocated memory was 119.5MB in the beginning and 247.5MB in the end (delta: 127.9MB). Free memory was 61.7MB in the beginning and 191.2MB in the end (delta: -129.5MB). Peak memory consumption was 91.0MB. Max. memory is 16.1GB. * Witness Printer took 118.57ms. Allocated memory is still 247.5MB. Free memory was 191.2MB in the beginning and 176.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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: 122]: 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, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1316 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1316 mSDsluCounter, 1034 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 731 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5108 IncrementalHoareTripleChecker+Invalid, 5839 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 731 mSolverCounterUnsat, 958 mSDtfsCounter, 5108 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 576 GetRequests, 552 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1255occurred in iteration=9, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 570 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 31 NumberOfFragments, 77 HoareAnnotationTreeSize, 3 FomulaSimplifications, 307 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1094 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2808 NumberOfCodeBlocks, 2808 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2794 ConstructedInterpolants, 0 QuantifiedInterpolants, 11762 SizeOfPredicates, 0 NumberOfNonLiveVariables, 783 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 1882/2120 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: 592]: Loop Invariant Derived loop invariant: (((a10 == 0 && 14 == a4) && a12 == 0) || (((a19 <= 9 && !(a10 == 1)) && 14 == a4) && a12 == 0)) || (((7 <= a19 && a10 == 1) && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((a10 == 0 && 14 == a4) && a12 == 0) || (((a19 <= 9 && !(a10 == 1)) && 14 == a4) && a12 == 0)) || (((7 <= a19 && a10 == 1) && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-21 10:56:53,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE