./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa --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 68bba3302e6a94fc1a2bd97d9ea3c006d28b9ba843bd296b9f627a896167b8ce --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:25:54,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:25:54,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:25:54,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:25:54,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:25:54,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:25:54,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:25:54,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:25:54,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:25:54,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:25:54,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:25:54,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:25:54,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:25:54,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:25:54,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:25:54,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:25:54,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:25:54,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:25:54,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:25:54,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:25:54,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:25:54,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:25:54,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:25:54,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:25:54,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:25:54,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:25:54,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:25:54,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:25:54,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:25:54,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:25:54,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:25:54,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:25:54,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:25:54,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:25:54,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:25:54,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:25:54,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:25:54,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:25:54,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:25:54,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:25:54,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:25:54,859 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 01:25:54,881 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:25:54,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:25:54,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:25:54,882 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:25:54,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:25:54,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:25:54,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:25:54,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:25:54,883 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:25:54,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:25:54,883 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 01:25:54,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:25:54,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 01:25:54,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:25:54,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:25:54,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:25:54,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:25:54,885 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 01:25:54,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:25:54,885 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:25:54,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:25:54,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:25:54,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:25:54,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:25:54,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:25:54,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:25:54,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:25:54,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:25:54,886 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:25:54,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:25:54,886 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:25:54,886 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:25:54,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:25:54,887 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:25:54,887 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68bba3302e6a94fc1a2bd97d9ea3c006d28b9ba843bd296b9f627a896167b8ce [2021-12-07 01:25:55,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:25:55,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:25:55,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:25:55,088 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:25:55,088 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:25:55,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c [2021-12-07 01:25:55,128 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/data/4423f79da/cb394c57a6874986be38193d002a7989/FLAG6cdfbe074 [2021-12-07 01:25:55,596 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:25:55,596 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/sv-benchmarks/c/eca-rers2012/Problem11_label10.c [2021-12-07 01:25:55,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/data/4423f79da/cb394c57a6874986be38193d002a7989/FLAG6cdfbe074 [2021-12-07 01:25:56,116 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/data/4423f79da/cb394c57a6874986be38193d002a7989 [2021-12-07 01:25:56,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:25:56,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:25:56,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:25:56,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:25:56,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:25:56,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:25:56" (1/1) ... [2021-12-07 01:25:56,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f81898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:56, skipping insertion in model container [2021-12-07 01:25:56,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:25:56" (1/1) ... [2021-12-07 01:25:56,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:25:56,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:25:56,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/sv-benchmarks/c/eca-rers2012/Problem11_label10.c[3268,3281] [2021-12-07 01:25:56,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:25:56,511 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:25:56,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/sv-benchmarks/c/eca-rers2012/Problem11_label10.c[3268,3281] [2021-12-07 01:25:56,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:25:56,643 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:25:56,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:56 WrapperNode [2021-12-07 01:25:56,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:25:56,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:25:56,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:25:56,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:25:56,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:56" (1/1) ... [2021-12-07 01:25:56,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:56" (1/1) ... [2021-12-07 01:25:56,782 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-07 01:25:56,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:25:56,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:25:56,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:25:56,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:25:56,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:56" (1/1) ... [2021-12-07 01:25:56,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:56" (1/1) ... [2021-12-07 01:25:56,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:56" (1/1) ... [2021-12-07 01:25:56,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:56" (1/1) ... [2021-12-07 01:25:56,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:56" (1/1) ... [2021-12-07 01:25:56,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:56" (1/1) ... [2021-12-07 01:25:56,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:56" (1/1) ... [2021-12-07 01:25:56,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:25:56,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:25:56,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:25:56,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:25:56,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:56" (1/1) ... [2021-12-07 01:25:56,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:25:56,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:25:56,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:25:56,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:25:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:25:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:25:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:25:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:25:56,970 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:25:56,971 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:25:57,931 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:25:57,939 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:25:57,940 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 01:25:57,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:25:57 BoogieIcfgContainer [2021-12-07 01:25:57,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:25:57,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:25:57,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:25:57,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:25:57,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:25:56" (1/3) ... [2021-12-07 01:25:57,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9b6fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:25:57, skipping insertion in model container [2021-12-07 01:25:57,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:56" (2/3) ... [2021-12-07 01:25:57,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9b6fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:25:57, skipping insertion in model container [2021-12-07 01:25:57,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:25:57" (3/3) ... [2021-12-07 01:25:57,948 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label10.c [2021-12-07 01:25:57,952 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:25:57,952 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:25:57,989 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:25:57,994 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 [2021-12-07 01:25:57,994 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:25:58,011 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:58,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-07 01:25:58,016 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:58,016 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] [2021-12-07 01:25:58,017 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:58,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:58,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1644072970, now seen corresponding path program 1 times [2021-12-07 01:25:58,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:58,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913135680] [2021-12-07 01:25:58,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:58,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:58,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:58,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:58,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913135680] [2021-12-07 01:25:58,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913135680] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:58,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:58,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:25:58,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851685384] [2021-12-07 01:25:58,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:58,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:25:58,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:58,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:25:58,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:25:58,208 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:59,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:59,005 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-12-07 01:25:59,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:25:59,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-12-07 01:25:59,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:59,022 INFO L225 Difference]: With dead ends: 776 [2021-12-07 01:25:59,022 INFO L226 Difference]: Without dead ends: 413 [2021-12-07 01:25:59,027 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 [2021-12-07 01:25:59,030 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 205 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:59,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-07 01:25:59,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-07 01:25:59,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-12-07 01:25:59,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:59,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-12-07 01:25:59,076 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 22 [2021-12-07 01:25:59,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:59,076 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-12-07 01:25:59,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:59,076 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-12-07 01:25:59,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-12-07 01:25:59,079 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:59,079 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:59,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:25:59,079 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:59,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:59,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1871415266, now seen corresponding path program 1 times [2021-12-07 01:25:59,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:59,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852794170] [2021-12-07 01:25:59,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:59,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:59,178 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:59,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:59,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852794170] [2021-12-07 01:25:59,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852794170] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:59,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:59,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:25:59,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244670320] [2021-12-07 01:25:59,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:59,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:25:59,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:59,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:25:59,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:25:59,181 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:59,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:59,729 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-12-07 01:25:59,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:25:59,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-12-07 01:25:59,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:59,733 INFO L225 Difference]: With dead ends: 1209 [2021-12-07 01:25:59,733 INFO L226 Difference]: Without dead ends: 800 [2021-12-07 01:25:59,735 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 [2021-12-07 01:25:59,736 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:59,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 01:25:59,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-07 01:25:59,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-12-07 01:25:59,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:59,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2021-12-07 01:25:59,771 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 90 [2021-12-07 01:25:59,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:59,771 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2021-12-07 01:25:59,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:25:59,772 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2021-12-07 01:25:59,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-07 01:25:59,774 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:59,774 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:59,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:25:59,775 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:59,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:59,776 INFO L85 PathProgramCache]: Analyzing trace with hash 562007972, now seen corresponding path program 1 times [2021-12-07 01:25:59,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:59,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192560803] [2021-12-07 01:25:59,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:59,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:59,892 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:59,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:59,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192560803] [2021-12-07 01:25:59,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192560803] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:59,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:59,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:25:59,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332244069] [2021-12-07 01:25:59,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:59,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:25:59,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:59,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:25:59,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:25:59,895 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:00,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:00,427 INFO L93 Difference]: Finished difference Result 1942 states and 2631 transitions. [2021-12-07 01:26:00,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:26:00,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2021-12-07 01:26:00,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:00,435 INFO L225 Difference]: With dead ends: 1942 [2021-12-07 01:26:00,435 INFO L226 Difference]: Without dead ends: 1157 [2021-12-07 01:26:00,436 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 [2021-12-07 01:26:00,438 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:00,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 01:26:00,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-12-07 01:26:00,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2021-12-07 01:26:00,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:00,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2021-12-07 01:26:00,466 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 91 [2021-12-07 01:26:00,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:00,466 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2021-12-07 01:26:00,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:00,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2021-12-07 01:26:00,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-12-07 01:26:00,468 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:00,468 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:00,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:26:00,469 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:00,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:00,469 INFO L85 PathProgramCache]: Analyzing trace with hash -945177690, now seen corresponding path program 1 times [2021-12-07 01:26:00,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:00,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956492296] [2021-12-07 01:26:00,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:00,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:00,557 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 01:26:00,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:00,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956492296] [2021-12-07 01:26:00,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956492296] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:00,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:00,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:26:00,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365322625] [2021-12-07 01:26:00,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:00,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:26:00,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:00,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:26:00,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:26:00,560 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:01,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:01,170 INFO L93 Difference]: Finished difference Result 2502 states and 3339 transitions. [2021-12-07 01:26:01,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:26:01,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 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 134 [2021-12-07 01:26:01,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:01,179 INFO L225 Difference]: With dead ends: 2502 [2021-12-07 01:26:01,179 INFO L226 Difference]: Without dead ends: 1532 [2021-12-07 01:26:01,180 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 [2021-12-07 01:26:01,182 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 108 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:01,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 156 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-07 01:26:01,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2021-12-07 01:26:01,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2021-12-07 01:26:01,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.2619203135205748) internal successors, (1932), 1531 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:01,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1932 transitions. [2021-12-07 01:26:01,220 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1932 transitions. Word has length 134 [2021-12-07 01:26:01,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:01,221 INFO L470 AbstractCegarLoop]: Abstraction has 1532 states and 1932 transitions. [2021-12-07 01:26:01,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:01,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1932 transitions. [2021-12-07 01:26:01,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-12-07 01:26:01,223 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:01,224 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:01,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:26:01,224 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:01,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:01,225 INFO L85 PathProgramCache]: Analyzing trace with hash 2122268031, now seen corresponding path program 1 times [2021-12-07 01:26:01,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:01,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574160170] [2021-12-07 01:26:01,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:01,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:01,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:01,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574160170] [2021-12-07 01:26:01,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574160170] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:01,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:01,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:26:01,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521937590] [2021-12-07 01:26:01,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:01,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:26:01,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:01,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:26:01,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:26:01,328 INFO L87 Difference]: Start difference. First operand 1532 states and 1932 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) [2021-12-07 01:26:01,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:01,862 INFO L93 Difference]: Finished difference Result 3644 states and 4738 transitions. [2021-12-07 01:26:01,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:26:01,862 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 149 [2021-12-07 01:26:01,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:01,871 INFO L225 Difference]: With dead ends: 3644 [2021-12-07 01:26:01,871 INFO L226 Difference]: Without dead ends: 2298 [2021-12-07 01:26:01,872 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 [2021-12-07 01:26:01,873 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 213 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:01,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 01:26:01,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2021-12-07 01:26:01,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2295. [2021-12-07 01:26:01,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 2294 states have (on average 1.2654751525719268) internal successors, (2903), 2294 states have internal predecessors, (2903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:01,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 2903 transitions. [2021-12-07 01:26:01,908 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 2903 transitions. Word has length 149 [2021-12-07 01:26:01,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:01,909 INFO L470 AbstractCegarLoop]: Abstraction has 2295 states and 2903 transitions. [2021-12-07 01:26:01,909 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) [2021-12-07 01:26:01,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2903 transitions. [2021-12-07 01:26:01,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-07 01:26:01,911 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:01,912 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:01,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 01:26:01,912 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:01,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:01,912 INFO L85 PathProgramCache]: Analyzing trace with hash -259742338, now seen corresponding path program 1 times [2021-12-07 01:26:01,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:01,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229896823] [2021-12-07 01:26:01,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:01,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:01,992 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:01,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:01,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229896823] [2021-12-07 01:26:01,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229896823] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:01,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:01,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:26:01,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530593353] [2021-12-07 01:26:01,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:01,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:26:01,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:01,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:26:01,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:26:01,994 INFO L87 Difference]: Start difference. First operand 2295 states and 2903 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:02,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:02,563 INFO L93 Difference]: Finished difference Result 5528 states and 7095 transitions. [2021-12-07 01:26:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:26:02,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 202 [2021-12-07 01:26:02,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:02,581 INFO L225 Difference]: With dead ends: 5528 [2021-12-07 01:26:02,581 INFO L226 Difference]: Without dead ends: 3419 [2021-12-07 01:26:02,584 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 [2021-12-07 01:26:02,585 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 136 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:02,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 340 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 01:26:02,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3419 states. [2021-12-07 01:26:02,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3419 to 3218. [2021-12-07 01:26:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3218 states, 3217 states have (on average 1.2377991917935964) internal successors, (3982), 3217 states have internal predecessors, (3982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:02,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 3982 transitions. [2021-12-07 01:26:02,647 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 3982 transitions. Word has length 202 [2021-12-07 01:26:02,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:02,648 INFO L470 AbstractCegarLoop]: Abstraction has 3218 states and 3982 transitions. [2021-12-07 01:26:02,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:02,648 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 3982 transitions. [2021-12-07 01:26:02,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-12-07 01:26:02,650 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:02,650 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:02,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 01:26:02,650 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:02,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:02,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1079368312, now seen corresponding path program 1 times [2021-12-07 01:26:02,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:02,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13228890] [2021-12-07 01:26:02,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:02,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:02,731 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-12-07 01:26:02,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:02,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13228890] [2021-12-07 01:26:02,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13228890] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:02,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:02,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:26:02,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108249955] [2021-12-07 01:26:02,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:02,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:26:02,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:02,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:26:02,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:26:02,734 INFO L87 Difference]: Start difference. First operand 3218 states and 3982 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:03,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:03,247 INFO L93 Difference]: Finished difference Result 7371 states and 9143 transitions. [2021-12-07 01:26:03,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:26:03,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 203 [2021-12-07 01:26:03,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:03,262 INFO L225 Difference]: With dead ends: 7371 [2021-12-07 01:26:03,262 INFO L226 Difference]: Without dead ends: 4155 [2021-12-07 01:26:03,265 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 [2021-12-07 01:26:03,266 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 180 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:03,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 345 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 01:26:03,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4155 states. [2021-12-07 01:26:03,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4155 to 4138. [2021-12-07 01:26:03,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4138 states, 4137 states have (on average 1.2211747643219724) internal successors, (5052), 4137 states have internal predecessors, (5052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:03,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 4138 states and 5052 transitions. [2021-12-07 01:26:03,322 INFO L78 Accepts]: Start accepts. Automaton has 4138 states and 5052 transitions. Word has length 203 [2021-12-07 01:26:03,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:03,322 INFO L470 AbstractCegarLoop]: Abstraction has 4138 states and 5052 transitions. [2021-12-07 01:26:03,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:03,322 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 5052 transitions. [2021-12-07 01:26:03,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-07 01:26:03,324 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:03,325 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:03,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 01:26:03,325 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:03,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:03,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1976650713, now seen corresponding path program 1 times [2021-12-07 01:26:03,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:03,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416964861] [2021-12-07 01:26:03,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:03,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-07 01:26:03,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:03,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416964861] [2021-12-07 01:26:03,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416964861] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:03,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:03,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:26:03,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349148696] [2021-12-07 01:26:03,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:03,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:26:03,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:03,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:26:03,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:26:03,415 INFO L87 Difference]: Start difference. First operand 4138 states and 5052 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:04,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:04,030 INFO L93 Difference]: Finished difference Result 9207 states and 11353 transitions. [2021-12-07 01:26:04,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:26:04,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 204 [2021-12-07 01:26:04,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:04,047 INFO L225 Difference]: With dead ends: 9207 [2021-12-07 01:26:04,047 INFO L226 Difference]: Without dead ends: 5071 [2021-12-07 01:26:04,050 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 [2021-12-07 01:26:04,050 INFO L933 BasicCegarLoop]: 358 mSDtfsCounter, 175 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:04,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 379 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-07 01:26:04,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2021-12-07 01:26:04,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 4874. [2021-12-07 01:26:04,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4874 states, 4873 states have (on average 1.2087010055407346) internal successors, (5890), 4873 states have internal predecessors, (5890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:04,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4874 states to 4874 states and 5890 transitions. [2021-12-07 01:26:04,111 INFO L78 Accepts]: Start accepts. Automaton has 4874 states and 5890 transitions. Word has length 204 [2021-12-07 01:26:04,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:04,112 INFO L470 AbstractCegarLoop]: Abstraction has 4874 states and 5890 transitions. [2021-12-07 01:26:04,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:04,112 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states and 5890 transitions. [2021-12-07 01:26:04,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-07 01:26:04,114 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:04,115 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:04,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 01:26:04,115 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:04,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:04,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1214132377, now seen corresponding path program 1 times [2021-12-07 01:26:04,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:04,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250631294] [2021-12-07 01:26:04,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:04,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:04,204 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:04,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:04,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250631294] [2021-12-07 01:26:04,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250631294] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:04,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:04,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:26:04,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689839989] [2021-12-07 01:26:04,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:04,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:26:04,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:04,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:26:04,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:26:04,206 INFO L87 Difference]: Start difference. First operand 4874 states and 5890 transitions. Second operand has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:05,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:05,193 INFO L93 Difference]: Finished difference Result 15870 states and 19335 transitions. [2021-12-07 01:26:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:26:05,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 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 224 [2021-12-07 01:26:05,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:05,231 INFO L225 Difference]: With dead ends: 15870 [2021-12-07 01:26:05,232 INFO L226 Difference]: Without dead ends: 10998 [2021-12-07 01:26:05,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:26:05,236 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 310 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:05,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [310 Valid, 207 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-07 01:26:05,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10998 states. [2021-12-07 01:26:05,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10998 to 8953. [2021-12-07 01:26:05,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8953 states, 8952 states have (on average 1.1907953529937445) internal successors, (10660), 8952 states have internal predecessors, (10660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:05,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8953 states to 8953 states and 10660 transitions. [2021-12-07 01:26:05,348 INFO L78 Accepts]: Start accepts. Automaton has 8953 states and 10660 transitions. Word has length 224 [2021-12-07 01:26:05,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:05,348 INFO L470 AbstractCegarLoop]: Abstraction has 8953 states and 10660 transitions. [2021-12-07 01:26:05,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:05,349 INFO L276 IsEmpty]: Start isEmpty. Operand 8953 states and 10660 transitions. [2021-12-07 01:26:05,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-12-07 01:26:05,351 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:05,351 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:05,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 01:26:05,351 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:05,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:05,352 INFO L85 PathProgramCache]: Analyzing trace with hash -205904018, now seen corresponding path program 1 times [2021-12-07 01:26:05,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:05,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699511654] [2021-12-07 01:26:05,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:05,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:05,438 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:05,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:05,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699511654] [2021-12-07 01:26:05,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699511654] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:05,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:05,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:26:05,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812299053] [2021-12-07 01:26:05,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:05,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:26:05,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:05,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:26:05,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:26:05,440 INFO L87 Difference]: Start difference. First operand 8953 states and 10660 transitions. Second operand has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:06,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:06,447 INFO L93 Difference]: Finished difference Result 22715 states and 27384 transitions. [2021-12-07 01:26:06,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:26:06,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2021-12-07 01:26:06,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:06,470 INFO L225 Difference]: With dead ends: 22715 [2021-12-07 01:26:06,470 INFO L226 Difference]: Without dead ends: 13764 [2021-12-07 01:26:06,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:26:06,478 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 325 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:06,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 122 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-07 01:26:06,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13764 states. [2021-12-07 01:26:06,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13764 to 13378. [2021-12-07 01:26:06,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13378 states, 13377 states have (on average 1.1921955595424982) internal successors, (15948), 13377 states have internal predecessors, (15948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:06,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13378 states to 13378 states and 15948 transitions. [2021-12-07 01:26:06,630 INFO L78 Accepts]: Start accepts. Automaton has 13378 states and 15948 transitions. Word has length 234 [2021-12-07 01:26:06,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:06,631 INFO L470 AbstractCegarLoop]: Abstraction has 13378 states and 15948 transitions. [2021-12-07 01:26:06,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:06,631 INFO L276 IsEmpty]: Start isEmpty. Operand 13378 states and 15948 transitions. [2021-12-07 01:26:06,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-12-07 01:26:06,634 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:06,634 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:06,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-07 01:26:06,635 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:06,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:06,635 INFO L85 PathProgramCache]: Analyzing trace with hash 947970210, now seen corresponding path program 1 times [2021-12-07 01:26:06,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:06,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002122445] [2021-12-07 01:26:06,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:06,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 101 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:06,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:06,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002122445] [2021-12-07 01:26:06,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002122445] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:26:06,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444858743] [2021-12-07 01:26:06,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:06,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:26:06,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:26:06,825 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:26:06,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 01:26:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:06,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-07 01:26:06,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:26:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 74 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:07,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:26:08,880 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 74 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:08,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444858743] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:26:08,880 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:26:08,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-07 01:26:08,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468918204] [2021-12-07 01:26:08,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:26:08,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:26:08,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:08,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:26:08,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:26:08,882 INFO L87 Difference]: Start difference. First operand 13378 states and 15948 transitions. Second operand has 11 states, 11 states have (on average 34.36363636363637) internal successors, (378), 10 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:11,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:11,418 INFO L93 Difference]: Finished difference Result 28562 states and 34300 transitions. [2021-12-07 01:26:11,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-07 01:26:11,418 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 34.36363636363637) internal successors, (378), 10 states have internal predecessors, (378), 0 states have call successors, (0), 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 236 [2021-12-07 01:26:11,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:11,434 INFO L225 Difference]: With dead ends: 28562 [2021-12-07 01:26:11,434 INFO L226 Difference]: Without dead ends: 15174 [2021-12-07 01:26:11,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2021-12-07 01:26:11,443 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 1187 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 4901 mSolverCounterSat, 550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 5451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 550 IncrementalHoareTripleChecker+Valid, 4901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:11,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1187 Valid, 165 Invalid, 5451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [550 Valid, 4901 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-07 01:26:11,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15174 states. [2021-12-07 01:26:11,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15174 to 13530. [2021-12-07 01:26:11,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13530 states, 13529 states have (on average 1.1665311552960307) internal successors, (15782), 13529 states have internal predecessors, (15782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:11,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13530 states to 13530 states and 15782 transitions. [2021-12-07 01:26:11,594 INFO L78 Accepts]: Start accepts. Automaton has 13530 states and 15782 transitions. Word has length 236 [2021-12-07 01:26:11,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:11,594 INFO L470 AbstractCegarLoop]: Abstraction has 13530 states and 15782 transitions. [2021-12-07 01:26:11,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 34.36363636363637) internal successors, (378), 10 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:11,595 INFO L276 IsEmpty]: Start isEmpty. Operand 13530 states and 15782 transitions. [2021-12-07 01:26:11,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-12-07 01:26:11,598 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:11,598 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:11,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:26:11,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-07 01:26:11,800 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:11,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:11,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1148903582, now seen corresponding path program 1 times [2021-12-07 01:26:11,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:11,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833764654] [2021-12-07 01:26:11,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:11,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:11,970 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 95 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:11,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:11,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833764654] [2021-12-07 01:26:11,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833764654] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:26:11,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542392301] [2021-12-07 01:26:11,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:11,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:26:11,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:26:11,972 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:26:11,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 01:26:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:12,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-07 01:26:12,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:26:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:12,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:26:12,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542392301] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:12,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:26:12,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-07 01:26:12,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237795566] [2021-12-07 01:26:12,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:12,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:26:12,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:12,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:26:12,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:26:12,468 INFO L87 Difference]: Start difference. First operand 13530 states and 15782 transitions. Second operand has 4 states, 4 states have (on average 63.75) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:13,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:13,166 INFO L93 Difference]: Finished difference Result 27246 states and 31762 transitions. [2021-12-07 01:26:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:26:13,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.75) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 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 255 [2021-12-07 01:26:13,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:13,185 INFO L225 Difference]: With dead ends: 27246 [2021-12-07 01:26:13,185 INFO L226 Difference]: Without dead ends: 13718 [2021-12-07 01:26:13,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:26:13,196 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 166 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:13,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 164 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-07 01:26:13,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13718 states. [2021-12-07 01:26:13,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13718 to 13530. [2021-12-07 01:26:13,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13530 states, 13529 states have (on average 1.1652006800206962) internal successors, (15764), 13529 states have internal predecessors, (15764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:13,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13530 states to 13530 states and 15764 transitions. [2021-12-07 01:26:13,341 INFO L78 Accepts]: Start accepts. Automaton has 13530 states and 15764 transitions. Word has length 255 [2021-12-07 01:26:13,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:13,342 INFO L470 AbstractCegarLoop]: Abstraction has 13530 states and 15764 transitions. [2021-12-07 01:26:13,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.75) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:13,342 INFO L276 IsEmpty]: Start isEmpty. Operand 13530 states and 15764 transitions. [2021-12-07 01:26:13,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-12-07 01:26:13,346 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:13,347 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-07 01:26:13,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 01:26:13,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-07 01:26:13,548 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:13,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:13,549 INFO L85 PathProgramCache]: Analyzing trace with hash -632041158, now seen corresponding path program 1 times [2021-12-07 01:26:13,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:13,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799800318] [2021-12-07 01:26:13,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:13,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-07 01:26:13,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:13,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799800318] [2021-12-07 01:26:13,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799800318] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:13,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:13,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:26:13,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982400105] [2021-12-07 01:26:13,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:13,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:26:13,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:13,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:26:13,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:26:13,653 INFO L87 Difference]: Start difference. First operand 13530 states and 15764 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:14,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:14,142 INFO L93 Difference]: Finished difference Result 25732 states and 30045 transitions. [2021-12-07 01:26:14,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:26:14,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 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 271 [2021-12-07 01:26:14,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:14,151 INFO L225 Difference]: With dead ends: 25732 [2021-12-07 01:26:14,151 INFO L226 Difference]: Without dead ends: 12204 [2021-12-07 01:26:14,159 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 [2021-12-07 01:26:14,159 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 168 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:14,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 132 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-07 01:26:14,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12204 states. [2021-12-07 01:26:14,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12204 to 10913. [2021-12-07 01:26:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10913 states, 10912 states have (on average 1.1198680351906158) internal successors, (12220), 10912 states have internal predecessors, (12220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:14,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10913 states to 10913 states and 12220 transitions. [2021-12-07 01:26:14,268 INFO L78 Accepts]: Start accepts. Automaton has 10913 states and 12220 transitions. Word has length 271 [2021-12-07 01:26:14,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:14,268 INFO L470 AbstractCegarLoop]: Abstraction has 10913 states and 12220 transitions. [2021-12-07 01:26:14,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand 10913 states and 12220 transitions. [2021-12-07 01:26:14,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-12-07 01:26:14,274 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:14,274 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-07 01:26:14,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 01:26:14,274 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:14,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:14,275 INFO L85 PathProgramCache]: Analyzing trace with hash 323334857, now seen corresponding path program 1 times [2021-12-07 01:26:14,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:14,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386971755] [2021-12-07 01:26:14,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:14,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:14,391 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 216 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:26:14,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:14,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386971755] [2021-12-07 01:26:14,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386971755] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:26:14,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247085085] [2021-12-07 01:26:14,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:14,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:26:14,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:26:14,392 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:26:14,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 01:26:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:14,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:26:14,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:26:14,800 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-12-07 01:26:14,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:26:14,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247085085] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:14,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:26:14,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-07 01:26:14,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571357216] [2021-12-07 01:26:14,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:14,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:26:14,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:14,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:26:14,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:26:14,801 INFO L87 Difference]: Start difference. First operand 10913 states and 12220 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:15,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:15,324 INFO L93 Difference]: Finished difference Result 22196 states and 24830 transitions. [2021-12-07 01:26:15,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:26:15,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 293 [2021-12-07 01:26:15,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:15,332 INFO L225 Difference]: With dead ends: 22196 [2021-12-07 01:26:15,332 INFO L226 Difference]: Without dead ends: 11101 [2021-12-07 01:26:15,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:26:15,337 INFO L933 BasicCegarLoop]: 341 mSDtfsCounter, 98 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:15,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 361 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 01:26:15,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11101 states. [2021-12-07 01:26:15,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11101 to 10729. [2021-12-07 01:26:15,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10729 states, 10728 states have (on average 1.1189410887397464) internal successors, (12004), 10728 states have internal predecessors, (12004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:15,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10729 states to 10729 states and 12004 transitions. [2021-12-07 01:26:15,433 INFO L78 Accepts]: Start accepts. Automaton has 10729 states and 12004 transitions. Word has length 293 [2021-12-07 01:26:15,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:15,434 INFO L470 AbstractCegarLoop]: Abstraction has 10729 states and 12004 transitions. [2021-12-07 01:26:15,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:15,434 INFO L276 IsEmpty]: Start isEmpty. Operand 10729 states and 12004 transitions. [2021-12-07 01:26:15,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-12-07 01:26:15,439 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:15,439 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-07 01:26:15,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-07 01:26:15,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-07 01:26:15,640 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:15,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:15,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1215708833, now seen corresponding path program 1 times [2021-12-07 01:26:15,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:15,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824360144] [2021-12-07 01:26:15,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:15,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:15,736 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-07 01:26:15,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:15,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824360144] [2021-12-07 01:26:15,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824360144] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:15,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:15,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:26:15,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717265107] [2021-12-07 01:26:15,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:15,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:26:15,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:15,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:26:15,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:26:15,739 INFO L87 Difference]: Start difference. First operand 10729 states and 12004 transitions. Second operand has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:16,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:16,702 INFO L93 Difference]: Finished difference Result 26254 states and 29361 transitions. [2021-12-07 01:26:16,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:26:16,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 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 309 [2021-12-07 01:26:16,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:16,714 INFO L225 Difference]: With dead ends: 26254 [2021-12-07 01:26:16,715 INFO L226 Difference]: Without dead ends: 15343 [2021-12-07 01:26:16,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:26:16,720 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 341 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:16,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [341 Valid, 70 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-07 01:26:16,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15343 states. [2021-12-07 01:26:16,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15343 to 14231. [2021-12-07 01:26:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14231 states, 14230 states have (on average 1.1139142656359804) internal successors, (15851), 14230 states have internal predecessors, (15851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:16,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14231 states to 14231 states and 15851 transitions. [2021-12-07 01:26:16,871 INFO L78 Accepts]: Start accepts. Automaton has 14231 states and 15851 transitions. Word has length 309 [2021-12-07 01:26:16,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:16,872 INFO L470 AbstractCegarLoop]: Abstraction has 14231 states and 15851 transitions. [2021-12-07 01:26:16,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:16,872 INFO L276 IsEmpty]: Start isEmpty. Operand 14231 states and 15851 transitions. [2021-12-07 01:26:16,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-12-07 01:26:16,877 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:16,877 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:16,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-07 01:26:16,878 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:16,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:16,878 INFO L85 PathProgramCache]: Analyzing trace with hash 384501595, now seen corresponding path program 1 times [2021-12-07 01:26:16,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:16,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856050723] [2021-12-07 01:26:16,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:16,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:16,955 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-07 01:26:16,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:16,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856050723] [2021-12-07 01:26:16,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856050723] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:16,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:16,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:26:16,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841538883] [2021-12-07 01:26:16,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:16,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:26:16,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:16,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:26:16,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:26:16,957 INFO L87 Difference]: Start difference. First operand 14231 states and 15851 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:17,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:17,569 INFO L93 Difference]: Finished difference Result 30493 states and 33970 transitions. [2021-12-07 01:26:17,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:26:17,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 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 320 [2021-12-07 01:26:17,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:17,583 INFO L225 Difference]: With dead ends: 30493 [2021-12-07 01:26:17,583 INFO L226 Difference]: Without dead ends: 16264 [2021-12-07 01:26:17,591 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 [2021-12-07 01:26:17,591 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 195 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:17,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 119 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 01:26:17,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16264 states. [2021-12-07 01:26:17,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16264 to 14043. [2021-12-07 01:26:17,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14043 states, 14042 states have (on average 1.1135165930779092) internal successors, (15636), 14042 states have internal predecessors, (15636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14043 states to 14043 states and 15636 transitions. [2021-12-07 01:26:17,738 INFO L78 Accepts]: Start accepts. Automaton has 14043 states and 15636 transitions. Word has length 320 [2021-12-07 01:26:17,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:17,739 INFO L470 AbstractCegarLoop]: Abstraction has 14043 states and 15636 transitions. [2021-12-07 01:26:17,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:17,739 INFO L276 IsEmpty]: Start isEmpty. Operand 14043 states and 15636 transitions. [2021-12-07 01:26:17,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-12-07 01:26:17,745 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:17,745 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:17,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-07 01:26:17,745 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:17,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:17,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1637860003, now seen corresponding path program 1 times [2021-12-07 01:26:17,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:17,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878716985] [2021-12-07 01:26:17,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:17,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:17,830 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-12-07 01:26:17,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:17,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878716985] [2021-12-07 01:26:17,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878716985] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:17,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:17,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:26:17,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457432114] [2021-12-07 01:26:17,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:17,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:26:17,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:17,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:26:17,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:26:17,832 INFO L87 Difference]: Start difference. First operand 14043 states and 15636 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:18,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:18,353 INFO L93 Difference]: Finished difference Result 29188 states and 32492 transitions. [2021-12-07 01:26:18,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:26:18,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 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 327 [2021-12-07 01:26:18,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:18,367 INFO L225 Difference]: With dead ends: 29188 [2021-12-07 01:26:18,367 INFO L226 Difference]: Without dead ends: 15147 [2021-12-07 01:26:18,374 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 [2021-12-07 01:26:18,375 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 190 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:18,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 110 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 01:26:18,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15147 states. [2021-12-07 01:26:18,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15147 to 13117. [2021-12-07 01:26:18,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13117 states, 13116 states have (on average 1.112458066483684) internal successors, (14591), 13116 states have internal predecessors, (14591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:18,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13117 states to 13117 states and 14591 transitions. [2021-12-07 01:26:18,523 INFO L78 Accepts]: Start accepts. Automaton has 13117 states and 14591 transitions. Word has length 327 [2021-12-07 01:26:18,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:18,523 INFO L470 AbstractCegarLoop]: Abstraction has 13117 states and 14591 transitions. [2021-12-07 01:26:18,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:18,523 INFO L276 IsEmpty]: Start isEmpty. Operand 13117 states and 14591 transitions. [2021-12-07 01:26:18,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-12-07 01:26:18,530 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:18,530 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:18,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-07 01:26:18,530 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:18,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:18,531 INFO L85 PathProgramCache]: Analyzing trace with hash -694285539, now seen corresponding path program 1 times [2021-12-07 01:26:18,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:18,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941873285] [2021-12-07 01:26:18,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:18,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:18,616 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-07 01:26:18,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:18,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941873285] [2021-12-07 01:26:18,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941873285] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:18,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:18,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:26:18,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507055463] [2021-12-07 01:26:18,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:18,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:26:18,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:18,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:26:18,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:26:18,617 INFO L87 Difference]: Start difference. First operand 13117 states and 14591 transitions. Second operand has 4 states, 4 states have (on average 82.5) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:19,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:19,497 INFO L93 Difference]: Finished difference Result 34708 states and 38542 transitions. [2021-12-07 01:26:19,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:26:19,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.5) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 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 349 [2021-12-07 01:26:19,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:19,512 INFO L225 Difference]: With dead ends: 34708 [2021-12-07 01:26:19,513 INFO L226 Difference]: Without dead ends: 21225 [2021-12-07 01:26:19,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:26:19,520 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 200 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:19,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 57 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1044 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-07 01:26:19,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21225 states. [2021-12-07 01:26:19,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21225 to 21037. [2021-12-07 01:26:19,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21037 states, 21036 states have (on average 1.1072447233314318) internal successors, (23292), 21036 states have internal predecessors, (23292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:19,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21037 states to 21037 states and 23292 transitions. [2021-12-07 01:26:19,763 INFO L78 Accepts]: Start accepts. Automaton has 21037 states and 23292 transitions. Word has length 349 [2021-12-07 01:26:19,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:19,763 INFO L470 AbstractCegarLoop]: Abstraction has 21037 states and 23292 transitions. [2021-12-07 01:26:19,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.5) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:19,764 INFO L276 IsEmpty]: Start isEmpty. Operand 21037 states and 23292 transitions. [2021-12-07 01:26:19,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-12-07 01:26:19,775 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:19,776 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:19,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-07 01:26:19,776 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:19,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:19,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1678028432, now seen corresponding path program 1 times [2021-12-07 01:26:19,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:19,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038516264] [2021-12-07 01:26:19,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:19,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:19,870 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-12-07 01:26:19,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:19,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038516264] [2021-12-07 01:26:19,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038516264] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:19,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:19,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:26:19,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546349683] [2021-12-07 01:26:19,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:19,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:26:19,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:19,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:26:19,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:26:19,872 INFO L87 Difference]: Start difference. First operand 21037 states and 23292 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:20,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:20,404 INFO L93 Difference]: Finished difference Result 42253 states and 46777 transitions. [2021-12-07 01:26:20,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:26:20,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 385 [2021-12-07 01:26:20,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:20,423 INFO L225 Difference]: With dead ends: 42253 [2021-12-07 01:26:20,423 INFO L226 Difference]: Without dead ends: 24164 [2021-12-07 01:26:20,431 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 [2021-12-07 01:26:20,432 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 197 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:20,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 128 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-07 01:26:20,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24164 states. [2021-12-07 01:26:20,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24164 to 15696. [2021-12-07 01:26:20,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15696 states, 15695 states have (on average 1.1086333227142402) internal successors, (17400), 15695 states have internal predecessors, (17400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:20,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15696 states to 15696 states and 17400 transitions. [2021-12-07 01:26:20,633 INFO L78 Accepts]: Start accepts. Automaton has 15696 states and 17400 transitions. Word has length 385 [2021-12-07 01:26:20,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:20,633 INFO L470 AbstractCegarLoop]: Abstraction has 15696 states and 17400 transitions. [2021-12-07 01:26:20,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:20,633 INFO L276 IsEmpty]: Start isEmpty. Operand 15696 states and 17400 transitions. [2021-12-07 01:26:20,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2021-12-07 01:26:20,643 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:20,644 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:20,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-07 01:26:20,644 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:20,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:20,644 INFO L85 PathProgramCache]: Analyzing trace with hash -404909594, now seen corresponding path program 1 times [2021-12-07 01:26:20,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:20,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521648568] [2021-12-07 01:26:20,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:20,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:20,758 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-12-07 01:26:20,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:20,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521648568] [2021-12-07 01:26:20,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521648568] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:20,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:20,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:26:20,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932478722] [2021-12-07 01:26:20,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:20,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:26:20,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:20,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:26:20,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:26:20,760 INFO L87 Difference]: Start difference. First operand 15696 states and 17400 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:21,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:21,321 INFO L93 Difference]: Finished difference Result 30853 states and 34231 transitions. [2021-12-07 01:26:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:26:21,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 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 438 [2021-12-07 01:26:21,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:21,333 INFO L225 Difference]: With dead ends: 30853 [2021-12-07 01:26:21,333 INFO L226 Difference]: Without dead ends: 15527 [2021-12-07 01:26:21,338 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 [2021-12-07 01:26:21,339 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 112 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:21,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 146 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 01:26:21,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15527 states. [2021-12-07 01:26:21,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15527 to 14408. [2021-12-07 01:26:21,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14408 states, 14407 states have (on average 1.1028666620392864) internal successors, (15889), 14407 states have internal predecessors, (15889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:21,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14408 states to 14408 states and 15889 transitions. [2021-12-07 01:26:21,512 INFO L78 Accepts]: Start accepts. Automaton has 14408 states and 15889 transitions. Word has length 438 [2021-12-07 01:26:21,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:21,512 INFO L470 AbstractCegarLoop]: Abstraction has 14408 states and 15889 transitions. [2021-12-07 01:26:21,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:21,513 INFO L276 IsEmpty]: Start isEmpty. Operand 14408 states and 15889 transitions. [2021-12-07 01:26:21,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2021-12-07 01:26:21,527 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:21,527 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-07 01:26:21,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-07 01:26:21,527 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:21,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:21,528 INFO L85 PathProgramCache]: Analyzing trace with hash 77941500, now seen corresponding path program 1 times [2021-12-07 01:26:21,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:21,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188042161] [2021-12-07 01:26:21,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:21,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:21,692 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-07 01:26:21,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:21,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188042161] [2021-12-07 01:26:21,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188042161] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:21,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:21,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:26:21,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209575857] [2021-12-07 01:26:21,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:21,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:26:21,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:21,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:26:21,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:26:21,695 INFO L87 Difference]: Start difference. First operand 14408 states and 15889 transitions. Second operand has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:22,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:22,942 INFO L93 Difference]: Finished difference Result 34173 states and 37671 transitions. [2021-12-07 01:26:22,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:26:22,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 487 [2021-12-07 01:26:22,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:22,955 INFO L225 Difference]: With dead ends: 34173 [2021-12-07 01:26:22,955 INFO L226 Difference]: Without dead ends: 19951 [2021-12-07 01:26:22,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:26:22,961 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 386 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:22,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [386 Valid, 80 Invalid, 1754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-07 01:26:22,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19951 states. [2021-12-07 01:26:23,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19951 to 16063. [2021-12-07 01:26:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16063 states, 16062 states have (on average 1.0988668907981571) internal successors, (17650), 16062 states have internal predecessors, (17650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:23,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16063 states to 16063 states and 17650 transitions. [2021-12-07 01:26:23,149 INFO L78 Accepts]: Start accepts. Automaton has 16063 states and 17650 transitions. Word has length 487 [2021-12-07 01:26:23,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:23,150 INFO L470 AbstractCegarLoop]: Abstraction has 16063 states and 17650 transitions. [2021-12-07 01:26:23,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:23,150 INFO L276 IsEmpty]: Start isEmpty. Operand 16063 states and 17650 transitions. [2021-12-07 01:26:23,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2021-12-07 01:26:23,161 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:23,162 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:23,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-07 01:26:23,162 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:23,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:23,163 INFO L85 PathProgramCache]: Analyzing trace with hash 380464736, now seen corresponding path program 1 times [2021-12-07 01:26:23,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:23,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014186458] [2021-12-07 01:26:23,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:23,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:23,295 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-12-07 01:26:23,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:23,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014186458] [2021-12-07 01:26:23,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014186458] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:23,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:23,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:26:23,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2299152] [2021-12-07 01:26:23,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:23,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:26:23,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:23,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:26:23,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:26:23,297 INFO L87 Difference]: Start difference. First operand 16063 states and 17650 transitions. Second operand has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:24,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:24,482 INFO L93 Difference]: Finished difference Result 33422 states and 36705 transitions. [2021-12-07 01:26:24,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:26:24,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 491 [2021-12-07 01:26:24,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:24,497 INFO L225 Difference]: With dead ends: 33422 [2021-12-07 01:26:24,497 INFO L226 Difference]: Without dead ends: 17545 [2021-12-07 01:26:24,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:26:24,504 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 385 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1436 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 1666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 1436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:24,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [385 Valid, 65 Invalid, 1666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 1436 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-07 01:26:24,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17545 states. [2021-12-07 01:26:24,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17545 to 11454. [2021-12-07 01:26:24,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11454 states, 11453 states have (on average 1.0977036584301056) internal successors, (12572), 11453 states have internal predecessors, (12572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:24,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11454 states to 11454 states and 12572 transitions. [2021-12-07 01:26:24,664 INFO L78 Accepts]: Start accepts. Automaton has 11454 states and 12572 transitions. Word has length 491 [2021-12-07 01:26:24,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:24,665 INFO L470 AbstractCegarLoop]: Abstraction has 11454 states and 12572 transitions. [2021-12-07 01:26:24,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:24,665 INFO L276 IsEmpty]: Start isEmpty. Operand 11454 states and 12572 transitions. [2021-12-07 01:26:24,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2021-12-07 01:26:24,675 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:24,676 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:24,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-07 01:26:24,676 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:24,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:24,676 INFO L85 PathProgramCache]: Analyzing trace with hash 930769197, now seen corresponding path program 1 times [2021-12-07 01:26:24,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:24,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060506723] [2021-12-07 01:26:24,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:24,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:24,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 654 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2021-12-07 01:26:24,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:24,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060506723] [2021-12-07 01:26:24,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060506723] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:24,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:24,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:26:24,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586814854] [2021-12-07 01:26:24,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:24,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:26:24,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:24,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:26:24,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:26:24,828 INFO L87 Difference]: Start difference. First operand 11454 states and 12572 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:25,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:25,345 INFO L93 Difference]: Finished difference Result 24377 states and 26715 transitions. [2021-12-07 01:26:25,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:26:25,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 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 589 [2021-12-07 01:26:25,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:25,354 INFO L225 Difference]: With dead ends: 24377 [2021-12-07 01:26:25,355 INFO L226 Difference]: Without dead ends: 11819 [2021-12-07 01:26:25,360 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 [2021-12-07 01:26:25,360 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 192 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:25,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 321 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-07 01:26:25,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11819 states. [2021-12-07 01:26:25,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11819 to 11451. [2021-12-07 01:26:25,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11451 states, 11450 states have (on average 1.0831441048034935) internal successors, (12402), 11450 states have internal predecessors, (12402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:25,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11451 states to 11451 states and 12402 transitions. [2021-12-07 01:26:25,508 INFO L78 Accepts]: Start accepts. Automaton has 11451 states and 12402 transitions. Word has length 589 [2021-12-07 01:26:25,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:25,509 INFO L470 AbstractCegarLoop]: Abstraction has 11451 states and 12402 transitions. [2021-12-07 01:26:25,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:25,509 INFO L276 IsEmpty]: Start isEmpty. Operand 11451 states and 12402 transitions. [2021-12-07 01:26:25,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2021-12-07 01:26:25,517 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:25,518 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-12-07 01:26:25,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-07 01:26:25,518 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:25,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:25,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1987991014, now seen corresponding path program 1 times [2021-12-07 01:26:25,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:25,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928588000] [2021-12-07 01:26:25,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:25,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:25,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 948 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2021-12-07 01:26:25,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:25,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928588000] [2021-12-07 01:26:25,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928588000] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:25,689 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:25,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:26:25,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378099084] [2021-12-07 01:26:25,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:25,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:26:25,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:25,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:26:25,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:26:25,690 INFO L87 Difference]: Start difference. First operand 11451 states and 12402 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:26,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:26:26,111 INFO L93 Difference]: Finished difference Result 23264 states and 25170 transitions. [2021-12-07 01:26:26,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:26:26,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 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 703 [2021-12-07 01:26:26,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:26:26,112 INFO L225 Difference]: With dead ends: 23264 [2021-12-07 01:26:26,112 INFO L226 Difference]: Without dead ends: 0 [2021-12-07 01:26:26,118 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 [2021-12-07 01:26:26,118 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 61 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:26:26,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 93 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-07 01:26:26,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-07 01:26:26,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-07 01:26:26,119 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) [2021-12-07 01:26:26,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-07 01:26:26,119 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 703 [2021-12-07 01:26:26,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:26:26,119 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:26:26,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:26:26,119 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-07 01:26:26,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-07 01:26:26,121 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 01:26:26,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-07 01:26:26,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-07 01:26:31,375 WARN L227 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 636 DAG size of output: 591 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-07 01:26:36,480 WARN L227 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 635 DAG size of output: 590 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-07 01:26:41,259 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-07 01:26:41,259 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,259 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-07 01:26:41,259 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,259 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,259 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,260 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,260 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,260 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,260 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-07 01:26:41,260 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-07 01:26:41,260 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-07 01:26:41,260 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,260 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,260 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,260 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,260 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,260 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,260 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,260 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,260 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,260 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,261 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,262 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,262 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse11 (= ~a25~0 11)) (.cse13 (< 277 ~a29~0)) (.cse5 (= ~a3~0 1)) (.cse15 (= ~a4~0 1)) (.cse8 (= ~a8~0 15))) (let ((.cse24 (= ~a25~0 12)) (.cse20 (+ ~a23~0 43)) (.cse4 (<= ~a25~0 10)) (.cse16 (and .cse11 .cse13 .cse5 .cse15 .cse8))) (let ((.cse22 (<= ~a29~0 275)) (.cse19 (<= 307 ~a23~0)) (.cse12 (<= ~a29~0 599999)) (.cse0 (<= 10 ~a25~0)) (.cse21 (<= ~a29~0 245)) (.cse17 (or (and .cse4 .cse13 .cse5 .cse15 (<= ~a25~0 9) .cse8) .cse16)) (.cse9 (<= (+ ~a29~0 21) 0)) (.cse1 (<= ~a29~0 140)) (.cse3 (< 0 .cse20)) (.cse6 (<= ~a23~0 138)) (.cse7 (<= ~a29~0 220)) (.cse14 (or (= ~a25~0 13) .cse24)) (.cse18 (<= ~a29~0 384312)) (.cse2 (= ~a4~0 0)) (.cse23 (= ~a25~0 9)) (.cse10 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse2 .cse4 .cse5 .cse7 .cse10 .cse8) (and .cse2 .cse11 .cse12 .cse13 .cse5 .cse10 .cse8) (and .cse9 .cse2 .cse3 .cse5 .cse6 .cse8 .cse14) (and .cse12 (or (and .cse4 .cse13 .cse5 .cse15 .cse8) .cse16)) (and .cse1 .cse2 .cse11 .cse5 .cse10 .cse8) (and .cse17 .cse3 .cse6) (and .cse4 .cse5 .cse15 (<= (+ ~a29~0 287232) 0) (<= 312 ~a23~0) .cse8) (and .cse0 (<= (+ 28300 ~a29~0) 0) .cse2 .cse4 .cse5 .cse8) (and .cse11 (<= ~a29~0 571720) .cse5 .cse15 .cse8) (and .cse18 .cse19 .cse5 .cse15 .cse8 .cse14) (and (<= .cse20 0) .cse5 .cse15 (<= 214883 ~a29~0) .cse8 (= ~a25~0 10)) (and .cse21 .cse5 .cse15 .cse8 .cse14) (and .cse22 .cse23 .cse5 .cse15 .cse8) (and .cse22 .cse24 .cse2 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) .cse3 (<= 141 ~a29~0)) .cse5 .cse8) (and .cse0 .cse19 .cse4 .cse12 .cse5 .cse15 .cse8) (and .cse0 .cse4 .cse21 .cse5 .cse15 .cse8) (and .cse18 .cse23 .cse5 .cse15 .cse10 .cse8) (and .cse17 (<= (+ ~a23~0 599772) 0)) (and .cse9 .cse2 .cse23 .cse5 .cse7 .cse10 .cse8) (and .cse1 .cse2 .cse3 .cse23 .cse5 .cse6 .cse7 .cse8) (and .cse18 .cse13 .cse5 .cse15 .cse8 .cse14) (and .cse18 .cse2 .cse13 .cse23 .cse5 .cse10 .cse8))))) [2021-12-07 01:26:41,262 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,262 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-07 01:26:41,262 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-07 01:26:41,262 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,262 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,262 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,262 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,262 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,262 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,262 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,263 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,264 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,264 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,264 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,264 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,264 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-07 01:26:41,264 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-07 01:26:41,264 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-07 01:26:41,264 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,264 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse11 (= ~a25~0 11)) (.cse13 (< 277 ~a29~0)) (.cse5 (= ~a3~0 1)) (.cse15 (= ~a4~0 1)) (.cse8 (= ~a8~0 15))) (let ((.cse24 (= ~a25~0 12)) (.cse20 (+ ~a23~0 43)) (.cse4 (<= ~a25~0 10)) (.cse16 (and .cse11 .cse13 .cse5 .cse15 .cse8))) (let ((.cse22 (<= ~a29~0 275)) (.cse19 (<= 307 ~a23~0)) (.cse12 (<= ~a29~0 599999)) (.cse0 (<= 10 ~a25~0)) (.cse21 (<= ~a29~0 245)) (.cse17 (or (and .cse4 .cse13 .cse5 .cse15 (<= ~a25~0 9) .cse8) .cse16)) (.cse9 (<= (+ ~a29~0 21) 0)) (.cse1 (<= ~a29~0 140)) (.cse3 (< 0 .cse20)) (.cse6 (<= ~a23~0 138)) (.cse7 (<= ~a29~0 220)) (.cse14 (or (= ~a25~0 13) .cse24)) (.cse18 (<= ~a29~0 384312)) (.cse2 (= ~a4~0 0)) (.cse23 (= ~a25~0 9)) (.cse10 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse2 .cse4 .cse5 .cse7 .cse10 .cse8) (and .cse2 .cse11 .cse12 .cse13 .cse5 .cse10 .cse8) (and .cse9 .cse2 .cse3 .cse5 .cse6 .cse8 .cse14) (and .cse12 (or (and .cse4 .cse13 .cse5 .cse15 .cse8) .cse16)) (and .cse1 .cse2 .cse11 .cse5 .cse10 .cse8) (and .cse17 .cse3 .cse6) (and .cse4 .cse5 .cse15 (<= (+ ~a29~0 287232) 0) (<= 312 ~a23~0) .cse8) (and .cse0 (<= (+ 28300 ~a29~0) 0) .cse2 .cse4 .cse5 .cse8) (and .cse11 (<= ~a29~0 571720) .cse5 .cse15 .cse8) (and .cse18 .cse19 .cse5 .cse15 .cse8 .cse14) (and (<= .cse20 0) .cse5 .cse15 (<= 214883 ~a29~0) .cse8 (= ~a25~0 10)) (and .cse21 .cse5 .cse15 .cse8 .cse14) (and .cse22 .cse23 .cse5 .cse15 .cse8) (and .cse22 .cse24 .cse2 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) .cse3 (<= 141 ~a29~0)) .cse5 .cse8) (and .cse0 .cse19 .cse4 .cse12 .cse5 .cse15 .cse8) (and .cse0 .cse4 .cse21 .cse5 .cse15 .cse8) (and .cse18 .cse23 .cse5 .cse15 .cse10 .cse8) (and .cse17 (<= (+ ~a23~0 599772) 0)) (and .cse9 .cse2 .cse23 .cse5 .cse7 .cse10 .cse8) (and .cse1 .cse2 .cse3 .cse23 .cse5 .cse6 .cse7 .cse8) (and .cse18 .cse13 .cse5 .cse15 .cse8 .cse14) (and .cse18 .cse2 .cse13 .cse23 .cse5 .cse10 .cse8))))) [2021-12-07 01:26:41,264 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,264 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,264 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,264 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,264 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,264 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,265 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,266 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-07 01:26:41,267 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-07 01:26:41,268 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-07 01:26:41,269 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,270 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-07 01:26:41,271 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,272 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,273 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,274 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,275 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-07 01:26:41,276 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-07 01:26:41,276 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-07 01:26:41,276 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-07 01:26:41,278 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:41,279 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 01:26:41,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:26:41 BoogieIcfgContainer [2021-12-07 01:26:41,302 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 01:26:41,302 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 01:26:41,302 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 01:26:41,303 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 01:26:41,303 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:25:57" (3/4) ... [2021-12-07 01:26:41,305 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 01:26:41,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-07 01:26:41,324 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-07 01:26:41,326 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-07 01:26:41,327 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 01:26:41,423 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 01:26:41,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 01:26:41,423 INFO L158 Benchmark]: Toolchain (without parser) took 45302.76ms. Allocated memory was 127.9MB in the beginning and 975.2MB in the end (delta: 847.2MB). Free memory was 103.2MB in the beginning and 163.5MB in the end (delta: -60.3MB). Peak memory consumption was 787.5MB. Max. memory is 16.1GB. [2021-12-07 01:26:41,424 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 73.4MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:26:41,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.21ms. Allocated memory is still 127.9MB. Free memory was 103.2MB in the beginning and 70.9MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-12-07 01:26:41,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.30ms. Allocated memory is still 127.9MB. Free memory was 70.9MB in the beginning and 94.1MB in the end (delta: -23.1MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2021-12-07 01:26:41,424 INFO L158 Benchmark]: Boogie Preprocessor took 76.88ms. Allocated memory is still 127.9MB. Free memory was 94.1MB in the beginning and 85.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 01:26:41,424 INFO L158 Benchmark]: RCFGBuilder took 1081.08ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 84.8MB in the beginning and 116.6MB in the end (delta: -31.8MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2021-12-07 01:26:41,425 INFO L158 Benchmark]: TraceAbstraction took 43359.06ms. Allocated memory was 169.9MB in the beginning and 975.2MB in the end (delta: 805.3MB). Free memory was 116.6MB in the beginning and 189.1MB in the end (delta: -72.4MB). Peak memory consumption was 848.6MB. Max. memory is 16.1GB. [2021-12-07 01:26:41,425 INFO L158 Benchmark]: Witness Printer took 120.77ms. Allocated memory is still 975.2MB. Free memory was 189.1MB in the beginning and 163.5MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-07 01:26:41,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 73.4MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.21ms. Allocated memory is still 127.9MB. Free memory was 103.2MB in the beginning and 70.9MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.30ms. Allocated memory is still 127.9MB. Free memory was 70.9MB in the beginning and 94.1MB in the end (delta: -23.1MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.88ms. Allocated memory is still 127.9MB. Free memory was 94.1MB in the beginning and 85.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1081.08ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 84.8MB in the beginning and 116.6MB in the end (delta: -31.8MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. * TraceAbstraction took 43359.06ms. Allocated memory was 169.9MB in the beginning and 975.2MB in the end (delta: 805.3MB). Free memory was 116.6MB in the beginning and 189.1MB in the end (delta: -72.4MB). Peak memory consumption was 848.6MB. Max. memory is 16.1GB. * Witness Printer took 120.77ms. Allocated memory is still 975.2MB. Free memory was 189.1MB in the beginning and 163.5MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. 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: 82]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.3s, OverallIterations: 24, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 18.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5794 SdHoareTripleChecker+Valid, 16.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5794 mSDsluCounter, 4388 SdHoareTripleChecker+Invalid, 14.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 720 mSDsCounter, 3101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21840 IncrementalHoareTripleChecker+Invalid, 24941 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3101 mSolverCounterUnsat, 3668 mSDtfsCounter, 21840 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1103 GetRequests, 1049 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21037occurred in iteration=18, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 24 MinimizatonAttempts, 31845 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 167 NumberOfFragments, 1153 HoareAnnotationTreeSize, 3 FomulaSimplifications, 38936 FormulaSimplificationTreeSizeReduction, 10.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 94098 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 7790 NumberOfCodeBlocks, 7790 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 7998 ConstructedInterpolants, 0 QuantifiedInterpolants, 23531 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1168 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 28 InterpolantComputations, 23 PerfectInterpolantSequences, 7555/7783 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((10 <= a25 && a29 <= 140) && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a3 == 1) && a23 <= 138) && a29 <= 220) && a8 == 15) || (((((((a29 + 21 <= 0 && 10 <= a25) && a4 == 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || ((((((a4 == 0 && a25 == 11) && a29 <= 599999) && 277 < a29) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((((a29 + 21 <= 0 && a4 == 0) && 0 < a23 + 43) && a3 == 1) && a23 <= 138) && a8 == 15) && (a25 == 13 || a25 == 12))) || (a29 <= 599999 && (((((a25 <= 10 && 277 < a29) && a3 == 1) && a4 == 1) && a8 == 15) || ((((a25 == 11 && 277 < a29) && a3 == 1) && a4 == 1) && a8 == 15)))) || (((((a29 <= 140 && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((((((a25 <= 10 && 277 < a29) && a3 == 1) && a4 == 1) && a25 <= 9) && a8 == 15) || ((((a25 == 11 && 277 < a29) && a3 == 1) && a4 == 1) && a8 == 15)) && 0 < a23 + 43) && a23 <= 138)) || (((((a25 <= 10 && a3 == 1) && a4 == 1) && a29 + 287232 <= 0) && 312 <= a23) && a8 == 15)) || (((((10 <= a25 && 28300 + a29 <= 0) && a4 == 0) && a25 <= 10) && a3 == 1) && a8 == 15)) || ((((a25 == 11 && a29 <= 571720) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 384312 && 307 <= a23) && a3 == 1) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((a23 + 43 <= 0 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) && a25 == 10)) || ((((a29 <= 245 && a3 == 1) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || ((((a29 <= 275 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && a4 == 0) && ((!(input == 1) || 0 < a23 + 43) || 141 <= a29)) && a3 == 1) && a8 == 15)) || ((((((10 <= a25 && 307 <= a23) && a25 <= 10) && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((10 <= a25 && a25 <= 10) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 384312 && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((((a25 <= 10 && 277 < a29) && a3 == 1) && a4 == 1) && a25 <= 9) && a8 == 15) || ((((a25 == 11 && 277 < a29) && a3 == 1) && a4 == 1) && a8 == 15)) && a23 + 599772 <= 0)) || ((((((a29 + 21 <= 0 && a4 == 0) && a25 == 9) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || (((((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 == 9) && a3 == 1) && a23 <= 138) && a29 <= 220) && a8 == 15)) || (((((a29 <= 384312 && 277 < a29) && a3 == 1) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || ((((((a29 <= 384312 && a4 == 0) && 277 < a29) && a25 == 9) && a3 == 1) && a23 <= 312) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((10 <= a25 && a29 <= 140) && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a3 == 1) && a23 <= 138) && a29 <= 220) && a8 == 15) || (((((((a29 + 21 <= 0 && 10 <= a25) && a4 == 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || ((((((a4 == 0 && a25 == 11) && a29 <= 599999) && 277 < a29) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((((a29 + 21 <= 0 && a4 == 0) && 0 < a23 + 43) && a3 == 1) && a23 <= 138) && a8 == 15) && (a25 == 13 || a25 == 12))) || (a29 <= 599999 && (((((a25 <= 10 && 277 < a29) && a3 == 1) && a4 == 1) && a8 == 15) || ((((a25 == 11 && 277 < a29) && a3 == 1) && a4 == 1) && a8 == 15)))) || (((((a29 <= 140 && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((((((a25 <= 10 && 277 < a29) && a3 == 1) && a4 == 1) && a25 <= 9) && a8 == 15) || ((((a25 == 11 && 277 < a29) && a3 == 1) && a4 == 1) && a8 == 15)) && 0 < a23 + 43) && a23 <= 138)) || (((((a25 <= 10 && a3 == 1) && a4 == 1) && a29 + 287232 <= 0) && 312 <= a23) && a8 == 15)) || (((((10 <= a25 && 28300 + a29 <= 0) && a4 == 0) && a25 <= 10) && a3 == 1) && a8 == 15)) || ((((a25 == 11 && a29 <= 571720) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 384312 && 307 <= a23) && a3 == 1) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((a23 + 43 <= 0 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) && a25 == 10)) || ((((a29 <= 245 && a3 == 1) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || ((((a29 <= 275 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && a4 == 0) && ((!(input == 1) || 0 < a23 + 43) || 141 <= a29)) && a3 == 1) && a8 == 15)) || ((((((10 <= a25 && 307 <= a23) && a25 <= 10) && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((10 <= a25 && a25 <= 10) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 384312 && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((((a25 <= 10 && 277 < a29) && a3 == 1) && a4 == 1) && a25 <= 9) && a8 == 15) || ((((a25 == 11 && 277 < a29) && a3 == 1) && a4 == 1) && a8 == 15)) && a23 + 599772 <= 0)) || ((((((a29 + 21 <= 0 && a4 == 0) && a25 == 9) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || (((((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 == 9) && a3 == 1) && a23 <= 138) && a29 <= 220) && a8 == 15)) || (((((a29 <= 384312 && 277 < a29) && a3 == 1) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || ((((((a29 <= 384312 && a4 == 0) && 277 < a29) && a25 == 9) && a3 == 1) && a23 <= 312) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-07 01:26:41,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f2b76-5cfa-43d2-b43c-361ae7a1220a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE