./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label24.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_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/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_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label24.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/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_0e70418f-8213-4883-924a-872ce9749b7b/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 63c3a28a771a7642d2d01d4b50ea8f0914adef37135dc9c64a20524a1e6d797b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:52:32,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:52:32,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:52:32,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:52:32,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:52:32,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:52:32,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:52:32,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:52:32,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:52:32,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:52:32,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:52:32,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:52:32,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:52:32,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:52:32,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:52:32,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:52:32,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:52:32,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:52:32,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:52:32,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:52:32,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:52:32,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:52:32,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:52:32,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:52:32,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:52:32,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:52:32,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:52:32,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:52:32,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:52:32,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:52:32,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:52:32,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:52:32,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:52:32,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:52:32,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:52:32,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:52:32,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:52:32,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:52:32,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:52:32,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:52:32,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:52:32,164 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 23:52:32,181 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:52:32,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:52:32,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:52:32,182 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:52:32,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:52:32,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:52:32,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:52:32,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:52:32,184 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:52:32,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:52:32,184 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:52:32,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:52:32,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:52:32,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:52:32,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:52:32,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:52:32,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:52:32,185 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:52:32,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:52:32,185 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:52:32,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:52:32,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:52:32,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:52:32,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:52:32,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:52:32,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:52:32,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:52:32,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:52:32,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:52:32,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:52:32,186 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:52:32,186 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:52:32,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:52:32,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:52:32,186 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_0e70418f-8213-4883-924a-872ce9749b7b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63c3a28a771a7642d2d01d4b50ea8f0914adef37135dc9c64a20524a1e6d797b [2021-12-06 23:52:32,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:52:32,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:52:32,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:52:32,381 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:52:32,381 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:52:32,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/eca-rers2012/Problem11_label24.c [2021-12-06 23:52:32,423 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/data/265080ab9/f43e90e7957f4be98567131e6b7ea412/FLAGc86dffde6 [2021-12-06 23:52:32,878 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:52:32,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/sv-benchmarks/c/eca-rers2012/Problem11_label24.c [2021-12-06 23:52:32,889 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/data/265080ab9/f43e90e7957f4be98567131e6b7ea412/FLAGc86dffde6 [2021-12-06 23:52:32,899 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/data/265080ab9/f43e90e7957f4be98567131e6b7ea412 [2021-12-06 23:52:32,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:52:32,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:52:32,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:52:32,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:52:32,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:52:32,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:52:32" (1/1) ... [2021-12-06 23:52:32,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7578f97d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:32, skipping insertion in model container [2021-12-06 23:52:32,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:52:32" (1/1) ... [2021-12-06 23:52:32,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:52:32,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:52:33,118 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_0e70418f-8213-4883-924a-872ce9749b7b/sv-benchmarks/c/eca-rers2012/Problem11_label24.c[7451,7464] [2021-12-06 23:52:33,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:52:33,257 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:52:33,277 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_0e70418f-8213-4883-924a-872ce9749b7b/sv-benchmarks/c/eca-rers2012/Problem11_label24.c[7451,7464] [2021-12-06 23:52:33,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:52:33,366 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:52:33,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:33 WrapperNode [2021-12-06 23:52:33,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:52:33,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:52:33,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:52:33,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:52:33,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:33" (1/1) ... [2021-12-06 23:52:33,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:33" (1/1) ... [2021-12-06 23:52:33,484 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-06 23:52:33,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:52:33,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:52:33,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:52:33,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:52:33,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:33" (1/1) ... [2021-12-06 23:52:33,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:33" (1/1) ... [2021-12-06 23:52:33,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:33" (1/1) ... [2021-12-06 23:52:33,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:33" (1/1) ... [2021-12-06 23:52:33,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:33" (1/1) ... [2021-12-06 23:52:33,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:33" (1/1) ... [2021-12-06 23:52:33,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:33" (1/1) ... [2021-12-06 23:52:33,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:52:33,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:52:33,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:52:33,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:52:33,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:33" (1/1) ... [2021-12-06 23:52:33,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:52:33,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:33,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:52:33,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:52:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:52:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:52:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:52:33,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:52:33,679 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:52:33,680 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:52:34,695 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:52:34,705 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:52:34,706 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 23:52:34,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:52:34 BoogieIcfgContainer [2021-12-06 23:52:34,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:52:34,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:52:34,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:52:34,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:52:34,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:52:32" (1/3) ... [2021-12-06 23:52:34,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27849356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:52:34, skipping insertion in model container [2021-12-06 23:52:34,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:52:33" (2/3) ... [2021-12-06 23:52:34,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27849356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:52:34, skipping insertion in model container [2021-12-06 23:52:34,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:52:34" (3/3) ... [2021-12-06 23:52:34,715 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label24.c [2021-12-06 23:52:34,719 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:52:34,719 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 23:52:34,766 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:52:34,771 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 [2021-12-06 23:52:34,772 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 23:52:34,791 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) [2021-12-06 23:52:34,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-06 23:52:34,800 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:34,800 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:34,801 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:34,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:34,807 INFO L85 PathProgramCache]: Analyzing trace with hash 2122806209, now seen corresponding path program 1 times [2021-12-06 23:52:34,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:34,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152962646] [2021-12-06 23:52:34,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:34,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:35,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:52:35,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:35,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152962646] [2021-12-06 23:52:35,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152962646] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:35,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:35,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:52:35,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553114615] [2021-12-06 23:52:35,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:35,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:35,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:35,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:35,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:35,070 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 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:35,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:35,832 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-12-06 23:52:35,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:35,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2021-12-06 23:52:35,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:35,847 INFO L225 Difference]: With dead ends: 776 [2021-12-06 23:52:35,848 INFO L226 Difference]: Without dead ends: 413 [2021-12-06 23:52:35,851 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 [2021-12-06 23:52:35,854 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 176 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 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 [2021-12-06 23:52:35,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [176 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 23:52:35,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-06 23:52:35,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-12-06 23:52:35,906 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) [2021-12-06 23:52:35,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-12-06 23:52:35,909 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 51 [2021-12-06 23:52:35,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:35,909 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-12-06 23:52:35,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:35,910 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-12-06 23:52:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-06 23:52:35,913 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:35,913 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:35,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:52:35,914 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:35,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:35,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1424628072, now seen corresponding path program 1 times [2021-12-06 23:52:35,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:35,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12520574] [2021-12-06 23:52:35,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:35,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:36,024 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:52:36,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:36,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12520574] [2021-12-06 23:52:36,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12520574] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:36,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:36,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:52:36,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052600186] [2021-12-06 23:52:36,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:36,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:36,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:36,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:36,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:36,028 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:36,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:36,562 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-12-06 23:52:36,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:36,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2021-12-06 23:52:36,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:36,566 INFO L225 Difference]: With dead ends: 1209 [2021-12-06 23:52:36,566 INFO L226 Difference]: Without dead ends: 800 [2021-12-06 23:52:36,568 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 [2021-12-06 23:52:36,569 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 [2021-12-06 23:52:36,569 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] [2021-12-06 23:52:36,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-06 23:52:36,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-12-06 23:52:36,589 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) [2021-12-06 23:52:36,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2021-12-06 23:52:36,592 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 119 [2021-12-06 23:52:36,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:36,593 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2021-12-06 23:52:36,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:36,593 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2021-12-06 23:52:36,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-06 23:52:36,595 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:36,595 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:36,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:52:36,595 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:36,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:36,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1033925576, now seen corresponding path program 1 times [2021-12-06 23:52:36,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:36,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216560906] [2021-12-06 23:52:36,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:36,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:36,682 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:52:36,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:36,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216560906] [2021-12-06 23:52:36,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216560906] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:36,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:36,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:52:36,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164720351] [2021-12-06 23:52:36,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:36,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:36,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:36,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:36,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:36,684 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:37,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:37,263 INFO L93 Difference]: Finished difference Result 1942 states and 2631 transitions. [2021-12-06 23:52:37,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:37,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2021-12-06 23:52:37,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:37,270 INFO L225 Difference]: With dead ends: 1942 [2021-12-06 23:52:37,270 INFO L226 Difference]: Without dead ends: 1157 [2021-12-06 23:52:37,272 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 [2021-12-06 23:52:37,273 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:37,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 23:52:37,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-12-06 23:52:37,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2021-12-06 23:52:37,301 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) [2021-12-06 23:52:37,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2021-12-06 23:52:37,307 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 120 [2021-12-06 23:52:37,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:37,307 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2021-12-06 23:52:37,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:37,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2021-12-06 23:52:37,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-06 23:52:37,310 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:37,310 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:37,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:52:37,311 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:37,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:37,312 INFO L85 PathProgramCache]: Analyzing trace with hash -289166940, now seen corresponding path program 1 times [2021-12-06 23:52:37,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:37,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637331168] [2021-12-06 23:52:37,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:37,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:37,432 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:52:37,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:37,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637331168] [2021-12-06 23:52:37,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637331168] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:37,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:37,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:52:37,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318025402] [2021-12-06 23:52:37,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:37,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:37,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:37,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:37,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:37,435 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:38,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:38,003 INFO L93 Difference]: Finished difference Result 2691 states and 3515 transitions. [2021-12-06 23:52:38,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:38,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2021-12-06 23:52:38,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:38,011 INFO L225 Difference]: With dead ends: 2691 [2021-12-06 23:52:38,011 INFO L226 Difference]: Without dead ends: 1721 [2021-12-06 23:52:38,012 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 [2021-12-06 23:52:38,013 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 155 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:38,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 336 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:52:38,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2021-12-06 23:52:38,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1528. [2021-12-06 23:52:38,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1527 states have (on average 1.261296660117878) internal successors, (1926), 1527 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:38,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1926 transitions. [2021-12-06 23:52:38,040 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1926 transitions. Word has length 163 [2021-12-06 23:52:38,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:38,041 INFO L470 AbstractCegarLoop]: Abstraction has 1528 states and 1926 transitions. [2021-12-06 23:52:38,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:38,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1926 transitions. [2021-12-06 23:52:38,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-06 23:52:38,042 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:38,043 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:38,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 23:52:38,043 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:38,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:38,044 INFO L85 PathProgramCache]: Analyzing trace with hash -933543605, now seen corresponding path program 1 times [2021-12-06 23:52:38,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:38,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855925961] [2021-12-06 23:52:38,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:38,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:38,126 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:52:38,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:38,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855925961] [2021-12-06 23:52:38,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855925961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:38,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:38,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:52:38,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615618306] [2021-12-06 23:52:38,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:38,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:38,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:38,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:38,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:38,129 INFO L87 Difference]: Start difference. First operand 1528 states and 1926 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:38,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:38,622 INFO L93 Difference]: Finished difference Result 4158 states and 5316 transitions. [2021-12-06 23:52:38,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:38,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 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 178 [2021-12-06 23:52:38,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:38,633 INFO L225 Difference]: With dead ends: 4158 [2021-12-06 23:52:38,633 INFO L226 Difference]: Without dead ends: 2632 [2021-12-06 23:52:38,634 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 [2021-12-06 23:52:38,635 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 115 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:38,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 155 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:52:38,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2021-12-06 23:52:38,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2448. [2021-12-06 23:52:38,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2448 states, 2447 states have (on average 1.2174090723334696) internal successors, (2979), 2447 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:38,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2448 states and 2979 transitions. [2021-12-06 23:52:38,676 INFO L78 Accepts]: Start accepts. Automaton has 2448 states and 2979 transitions. Word has length 178 [2021-12-06 23:52:38,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:38,676 INFO L470 AbstractCegarLoop]: Abstraction has 2448 states and 2979 transitions. [2021-12-06 23:52:38,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:38,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 2979 transitions. [2021-12-06 23:52:38,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-06 23:52:38,678 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:38,679 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:38,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:52:38,679 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:38,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:38,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1329847317, now seen corresponding path program 1 times [2021-12-06 23:52:38,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:38,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938952702] [2021-12-06 23:52:38,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:38,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:38,767 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-06 23:52:38,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:38,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938952702] [2021-12-06 23:52:38,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938952702] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:38,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:38,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:52:38,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571464272] [2021-12-06 23:52:38,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:38,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:38,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:38,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:38,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:38,769 INFO L87 Difference]: Start difference. First operand 2448 states and 2979 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:39,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:39,321 INFO L93 Difference]: Finished difference Result 5452 states and 6620 transitions. [2021-12-06 23:52:39,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:39,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 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 194 [2021-12-06 23:52:39,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:39,337 INFO L225 Difference]: With dead ends: 5452 [2021-12-06 23:52:39,337 INFO L226 Difference]: Without dead ends: 3006 [2021-12-06 23:52:39,341 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 [2021-12-06 23:52:39,342 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 75 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:39,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 154 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:52:39,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3006 states. [2021-12-06 23:52:39,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3006 to 3005. [2021-12-06 23:52:39,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3005 states, 3004 states have (on average 1.2113848202396804) internal successors, (3639), 3004 states have internal predecessors, (3639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:39,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 3005 states and 3639 transitions. [2021-12-06 23:52:39,411 INFO L78 Accepts]: Start accepts. Automaton has 3005 states and 3639 transitions. Word has length 194 [2021-12-06 23:52:39,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:39,412 INFO L470 AbstractCegarLoop]: Abstraction has 3005 states and 3639 transitions. [2021-12-06 23:52:39,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:39,412 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 3639 transitions. [2021-12-06 23:52:39,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-12-06 23:52:39,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:39,416 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 23:52:39,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 23:52:39,417 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:39,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:39,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1440418757, now seen corresponding path program 1 times [2021-12-06 23:52:39,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:39,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985830562] [2021-12-06 23:52:39,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:39,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:39,540 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:52:39,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:39,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985830562] [2021-12-06 23:52:39,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985830562] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:39,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:39,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:52:39,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647690645] [2021-12-06 23:52:39,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:39,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:52:39,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:39,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:52:39,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:52:39,542 INFO L87 Difference]: Start difference. First operand 3005 states and 3639 transitions. Second operand has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:40,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:40,541 INFO L93 Difference]: Finished difference Result 8783 states and 10795 transitions. [2021-12-06 23:52:40,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:52:40,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 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 232 [2021-12-06 23:52:40,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:40,561 INFO L225 Difference]: With dead ends: 8783 [2021-12-06 23:52:40,561 INFO L226 Difference]: Without dead ends: 5780 [2021-12-06 23:52:40,563 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 [2021-12-06 23:52:40,564 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 319 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:40,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 119 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-06 23:52:40,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5780 states. [2021-12-06 23:52:40,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5780 to 5404. [2021-12-06 23:52:40,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5404 states, 5403 states have (on average 1.2121043864519712) internal successors, (6549), 5403 states have internal predecessors, (6549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:40,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5404 states to 5404 states and 6549 transitions. [2021-12-06 23:52:40,643 INFO L78 Accepts]: Start accepts. Automaton has 5404 states and 6549 transitions. Word has length 232 [2021-12-06 23:52:40,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:40,643 INFO L470 AbstractCegarLoop]: Abstraction has 5404 states and 6549 transitions. [2021-12-06 23:52:40,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:40,643 INFO L276 IsEmpty]: Start isEmpty. Operand 5404 states and 6549 transitions. [2021-12-06 23:52:40,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-06 23:52:40,646 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:40,646 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 23:52:40,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 23:52:40,646 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:40,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:40,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1400544816, now seen corresponding path program 1 times [2021-12-06 23:52:40,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:40,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857199822] [2021-12-06 23:52:40,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:40,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:40,723 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-06 23:52:40,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:40,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857199822] [2021-12-06 23:52:40,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857199822] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:40,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:40,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:52:40,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114236758] [2021-12-06 23:52:40,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:40,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:40,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:40,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:40,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:40,725 INFO L87 Difference]: Start difference. First operand 5404 states and 6549 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:41,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:41,272 INFO L93 Difference]: Finished difference Result 11919 states and 14623 transitions. [2021-12-06 23:52:41,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:41,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 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 233 [2021-12-06 23:52:41,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:41,296 INFO L225 Difference]: With dead ends: 11919 [2021-12-06 23:52:41,296 INFO L226 Difference]: Without dead ends: 6885 [2021-12-06 23:52:41,299 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 [2021-12-06 23:52:41,300 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 146 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:41,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 390 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:52:41,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6885 states. [2021-12-06 23:52:41,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6885 to 6692. [2021-12-06 23:52:41,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6692 states, 6691 states have (on average 1.1927962935286205) internal successors, (7981), 6691 states have internal predecessors, (7981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:41,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6692 states to 6692 states and 7981 transitions. [2021-12-06 23:52:41,400 INFO L78 Accepts]: Start accepts. Automaton has 6692 states and 7981 transitions. Word has length 233 [2021-12-06 23:52:41,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:41,401 INFO L470 AbstractCegarLoop]: Abstraction has 6692 states and 7981 transitions. [2021-12-06 23:52:41,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 6692 states and 7981 transitions. [2021-12-06 23:52:41,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-12-06 23:52:41,404 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:41,404 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 23:52:41,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 23:52:41,405 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:41,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:41,405 INFO L85 PathProgramCache]: Analyzing trace with hash 826529202, now seen corresponding path program 1 times [2021-12-06 23:52:41,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:41,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445022093] [2021-12-06 23:52:41,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:41,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:41,481 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:52:41,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:41,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445022093] [2021-12-06 23:52:41,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445022093] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:41,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:41,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:52:41,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094137674] [2021-12-06 23:52:41,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:41,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:52:41,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:41,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:52:41,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:52:41,483 INFO L87 Difference]: Start difference. First operand 6692 states and 7981 transitions. Second operand has 4 states, 4 states have (on average 60.75) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:42,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:42,457 INFO L93 Difference]: Finished difference Result 14861 states and 17819 transitions. [2021-12-06 23:52:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:52:42,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 243 [2021-12-06 23:52:42,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:42,484 INFO L225 Difference]: With dead ends: 14861 [2021-12-06 23:52:42,484 INFO L226 Difference]: Without dead ends: 8539 [2021-12-06 23:52:42,489 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 [2021-12-06 23:52:42,490 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 254 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:42,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 141 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 23:52:42,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8539 states. [2021-12-06 23:52:42,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8539 to 8534. [2021-12-06 23:52:42,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8534 states, 8533 states have (on average 1.1736786593226298) internal successors, (10015), 8533 states have internal predecessors, (10015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8534 states to 8534 states and 10015 transitions. [2021-12-06 23:52:42,614 INFO L78 Accepts]: Start accepts. Automaton has 8534 states and 10015 transitions. Word has length 243 [2021-12-06 23:52:42,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:42,615 INFO L470 AbstractCegarLoop]: Abstraction has 8534 states and 10015 transitions. [2021-12-06 23:52:42,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 8534 states and 10015 transitions. [2021-12-06 23:52:42,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-06 23:52:42,618 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:42,618 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:52:42,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 23:52:42,619 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:42,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:42,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1535621630, now seen corresponding path program 1 times [2021-12-06 23:52:42,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:42,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499206385] [2021-12-06 23:52:42,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:42,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:42,700 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-12-06 23:52:42,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:42,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499206385] [2021-12-06 23:52:42,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499206385] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:42,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:42,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:52:42,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029284511] [2021-12-06 23:52:42,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:42,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:42,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:42,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:42,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:42,703 INFO L87 Difference]: Start difference. First operand 8534 states and 10015 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:43,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:43,236 INFO L93 Difference]: Finished difference Result 18740 states and 22056 transitions. [2021-12-06 23:52:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:43,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 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 253 [2021-12-06 23:52:43,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:43,249 INFO L225 Difference]: With dead ends: 18740 [2021-12-06 23:52:43,249 INFO L226 Difference]: Without dead ends: 10576 [2021-12-06 23:52:43,255 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 [2021-12-06 23:52:43,256 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 151 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:43,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 190 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:52:43,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10576 states. [2021-12-06 23:52:43,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10576 to 10190. [2021-12-06 23:52:43,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10190 states, 10189 states have (on average 1.1690057905584454) internal successors, (11911), 10189 states have internal predecessors, (11911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:43,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10190 states to 10190 states and 11911 transitions. [2021-12-06 23:52:43,361 INFO L78 Accepts]: Start accepts. Automaton has 10190 states and 11911 transitions. Word has length 253 [2021-12-06 23:52:43,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:43,361 INFO L470 AbstractCegarLoop]: Abstraction has 10190 states and 11911 transitions. [2021-12-06 23:52:43,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:43,362 INFO L276 IsEmpty]: Start isEmpty. Operand 10190 states and 11911 transitions. [2021-12-06 23:52:43,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-06 23:52:43,365 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:43,365 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:52:43,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 23:52:43,365 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:43,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:43,366 INFO L85 PathProgramCache]: Analyzing trace with hash 943642801, now seen corresponding path program 1 times [2021-12-06 23:52:43,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:43,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460554051] [2021-12-06 23:52:43,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:43,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:43,456 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-12-06 23:52:43,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:43,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460554051] [2021-12-06 23:52:43,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460554051] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:43,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:43,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:52:43,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078248610] [2021-12-06 23:52:43,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:43,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:43,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:43,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:43,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:43,457 INFO L87 Difference]: Start difference. First operand 10190 states and 11911 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:44,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:44,023 INFO L93 Difference]: Finished difference Result 20567 states and 24033 transitions. [2021-12-06 23:52:44,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:44,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 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 281 [2021-12-06 23:52:44,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:44,035 INFO L225 Difference]: With dead ends: 20567 [2021-12-06 23:52:44,035 INFO L226 Difference]: Without dead ends: 10563 [2021-12-06 23:52:44,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:44,042 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 150 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:44,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 361 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:52:44,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10563 states. [2021-12-06 23:52:44,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10563 to 10557. [2021-12-06 23:52:44,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10557 states, 10556 states have (on average 1.139920424403183) internal successors, (12033), 10556 states have internal predecessors, (12033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:44,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10557 states to 10557 states and 12033 transitions. [2021-12-06 23:52:44,162 INFO L78 Accepts]: Start accepts. Automaton has 10557 states and 12033 transitions. Word has length 281 [2021-12-06 23:52:44,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:44,163 INFO L470 AbstractCegarLoop]: Abstraction has 10557 states and 12033 transitions. [2021-12-06 23:52:44,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:44,163 INFO L276 IsEmpty]: Start isEmpty. Operand 10557 states and 12033 transitions. [2021-12-06 23:52:44,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-12-06 23:52:44,169 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:44,170 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-06 23:52:44,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 23:52:44,170 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:44,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:44,170 INFO L85 PathProgramCache]: Analyzing trace with hash -2146355781, now seen corresponding path program 1 times [2021-12-06 23:52:44,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:44,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271418543] [2021-12-06 23:52:44,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:44,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:44,253 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-06 23:52:44,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:44,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271418543] [2021-12-06 23:52:44,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271418543] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:44,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:44,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:52:44,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406679867] [2021-12-06 23:52:44,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:44,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:44,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:44,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:44,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:44,254 INFO L87 Difference]: Start difference. First operand 10557 states and 12033 transitions. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:44,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:44,852 INFO L93 Difference]: Finished difference Result 23886 states and 27410 transitions. [2021-12-06 23:52:44,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:44,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 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 314 [2021-12-06 23:52:44,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:44,884 INFO L225 Difference]: With dead ends: 23886 [2021-12-06 23:52:44,884 INFO L226 Difference]: Without dead ends: 13699 [2021-12-06 23:52:44,890 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 [2021-12-06 23:52:44,890 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 142 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:44,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 135 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:52:44,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13699 states. [2021-12-06 23:52:45,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13699 to 13694. [2021-12-06 23:52:45,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13694 states, 13693 states have (on average 1.1337179580807712) internal successors, (15524), 13693 states have internal predecessors, (15524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:45,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13694 states to 13694 states and 15524 transitions. [2021-12-06 23:52:45,047 INFO L78 Accepts]: Start accepts. Automaton has 13694 states and 15524 transitions. Word has length 314 [2021-12-06 23:52:45,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:45,047 INFO L470 AbstractCegarLoop]: Abstraction has 13694 states and 15524 transitions. [2021-12-06 23:52:45,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:45,047 INFO L276 IsEmpty]: Start isEmpty. Operand 13694 states and 15524 transitions. [2021-12-06 23:52:45,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-12-06 23:52:45,053 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:45,053 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:45,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 23:52:45,053 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:45,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:45,054 INFO L85 PathProgramCache]: Analyzing trace with hash 263747274, now seen corresponding path program 1 times [2021-12-06 23:52:45,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:45,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128546960] [2021-12-06 23:52:45,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:45,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:45,175 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 304 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-06 23:52:45,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:45,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128546960] [2021-12-06 23:52:45,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128546960] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:45,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:45,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:52:45,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579568070] [2021-12-06 23:52:45,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:45,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:45,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:45,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:45,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:45,178 INFO L87 Difference]: Start difference. First operand 13694 states and 15524 transitions. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:45,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:45,829 INFO L93 Difference]: Finished difference Result 30517 states and 34553 transitions. [2021-12-06 23:52:45,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:45,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 322 [2021-12-06 23:52:45,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:45,844 INFO L225 Difference]: With dead ends: 30517 [2021-12-06 23:52:45,844 INFO L226 Difference]: Without dead ends: 17193 [2021-12-06 23:52:45,854 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 [2021-12-06 23:52:45,855 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 156 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:45,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 73 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 23:52:45,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17193 states. [2021-12-06 23:52:45,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17193 to 17190. [2021-12-06 23:52:45,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17190 states, 17189 states have (on average 1.1226365698993543) internal successors, (19297), 17189 states have internal predecessors, (19297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:46,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17190 states to 17190 states and 19297 transitions. [2021-12-06 23:52:46,029 INFO L78 Accepts]: Start accepts. Automaton has 17190 states and 19297 transitions. Word has length 322 [2021-12-06 23:52:46,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:46,029 INFO L470 AbstractCegarLoop]: Abstraction has 17190 states and 19297 transitions. [2021-12-06 23:52:46,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:46,029 INFO L276 IsEmpty]: Start isEmpty. Operand 17190 states and 19297 transitions. [2021-12-06 23:52:46,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-12-06 23:52:46,034 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:46,034 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:46,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 23:52:46,034 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:46,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:46,035 INFO L85 PathProgramCache]: Analyzing trace with hash -379447870, now seen corresponding path program 1 times [2021-12-06 23:52:46,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:46,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271353485] [2021-12-06 23:52:46,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:46,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:46,154 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 227 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:52:46,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:46,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271353485] [2021-12-06 23:52:46,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271353485] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:52:46,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26265967] [2021-12-06 23:52:46,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:46,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:52:46,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:46,156 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:52:46,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 23:52:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:46,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 23:52:46,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:52:46,728 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-06 23:52:46,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:52:46,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26265967] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:46,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:52:46,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-06 23:52:46,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666313204] [2021-12-06 23:52:46,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:46,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:46,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:46,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:46,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:52:46,731 INFO L87 Difference]: Start difference. First operand 17190 states and 19297 transitions. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:47,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:47,353 INFO L93 Difference]: Finished difference Result 35504 states and 40039 transitions. [2021-12-06 23:52:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:47,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 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 324 [2021-12-06 23:52:47,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:47,368 INFO L225 Difference]: With dead ends: 35504 [2021-12-06 23:52:47,368 INFO L226 Difference]: Without dead ends: 18684 [2021-12-06 23:52:47,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:52:47,389 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 137 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:47,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 359 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:52:47,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18684 states. [2021-12-06 23:52:47,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18684 to 18676. [2021-12-06 23:52:47,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18676 states, 18675 states have (on average 1.121178045515395) internal successors, (20938), 18675 states have internal predecessors, (20938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18676 states to 18676 states and 20938 transitions. [2021-12-06 23:52:47,538 INFO L78 Accepts]: Start accepts. Automaton has 18676 states and 20938 transitions. Word has length 324 [2021-12-06 23:52:47,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:47,538 INFO L470 AbstractCegarLoop]: Abstraction has 18676 states and 20938 transitions. [2021-12-06 23:52:47,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:47,538 INFO L276 IsEmpty]: Start isEmpty. Operand 18676 states and 20938 transitions. [2021-12-06 23:52:47,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-12-06 23:52:47,543 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:47,543 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:47,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:52:47,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:52:47,745 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:47,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:47,746 INFO L85 PathProgramCache]: Analyzing trace with hash -56733327, now seen corresponding path program 1 times [2021-12-06 23:52:47,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:47,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790728912] [2021-12-06 23:52:47,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:47,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:47,882 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-12-06 23:52:47,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:47,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790728912] [2021-12-06 23:52:47,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790728912] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:47,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:47,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:52:47,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804140476] [2021-12-06 23:52:47,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:47,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:47,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:47,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:47,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:47,884 INFO L87 Difference]: Start difference. First operand 18676 states and 20938 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:48,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:48,374 INFO L93 Difference]: Finished difference Result 40109 states and 44936 transitions. [2021-12-06 23:52:48,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:48,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 326 [2021-12-06 23:52:48,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:48,391 INFO L225 Difference]: With dead ends: 40109 [2021-12-06 23:52:48,391 INFO L226 Difference]: Without dead ends: 21803 [2021-12-06 23:52:48,399 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 [2021-12-06 23:52:48,399 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 168 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:48,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 155 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 23:52:48,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21803 states. [2021-12-06 23:52:48,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21803 to 14439. [2021-12-06 23:52:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14439 states, 14438 states have (on average 1.13159717412384) internal successors, (16338), 14438 states have internal predecessors, (16338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:48,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14439 states to 14439 states and 16338 transitions. [2021-12-06 23:52:48,576 INFO L78 Accepts]: Start accepts. Automaton has 14439 states and 16338 transitions. Word has length 326 [2021-12-06 23:52:48,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:48,576 INFO L470 AbstractCegarLoop]: Abstraction has 14439 states and 16338 transitions. [2021-12-06 23:52:48,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:48,576 INFO L276 IsEmpty]: Start isEmpty. Operand 14439 states and 16338 transitions. [2021-12-06 23:52:48,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-12-06 23:52:48,580 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:48,581 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:52:48,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 23:52:48,581 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:48,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:48,581 INFO L85 PathProgramCache]: Analyzing trace with hash 234214298, now seen corresponding path program 1 times [2021-12-06 23:52:48,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:48,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646583823] [2021-12-06 23:52:48,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:48,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:48,663 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-06 23:52:48,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:48,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646583823] [2021-12-06 23:52:48,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646583823] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:48,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:48,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:52:48,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097727609] [2021-12-06 23:52:48,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:48,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:48,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:48,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:48,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:48,665 INFO L87 Difference]: Start difference. First operand 14439 states and 16338 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:48,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:48,995 INFO L93 Difference]: Finished difference Result 28500 states and 32286 transitions. [2021-12-06 23:52:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:48,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 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 333 [2021-12-06 23:52:48,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:49,008 INFO L225 Difference]: With dead ends: 28500 [2021-12-06 23:52:49,008 INFO L226 Difference]: Without dead ends: 14431 [2021-12-06 23:52:49,014 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 [2021-12-06 23:52:49,015 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 189 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:49,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 40 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 23:52:49,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14431 states. [2021-12-06 23:52:49,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14431 to 14428. [2021-12-06 23:52:49,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14428 states, 14427 states have (on average 1.1309350523324322) internal successors, (16316), 14427 states have internal predecessors, (16316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:49,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14428 states to 14428 states and 16316 transitions. [2021-12-06 23:52:49,204 INFO L78 Accepts]: Start accepts. Automaton has 14428 states and 16316 transitions. Word has length 333 [2021-12-06 23:52:49,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:49,204 INFO L470 AbstractCegarLoop]: Abstraction has 14428 states and 16316 transitions. [2021-12-06 23:52:49,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:49,204 INFO L276 IsEmpty]: Start isEmpty. Operand 14428 states and 16316 transitions. [2021-12-06 23:52:49,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-12-06 23:52:49,211 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:49,211 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:49,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 23:52:49,211 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:49,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:49,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1309922959, now seen corresponding path program 1 times [2021-12-06 23:52:49,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:49,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509181040] [2021-12-06 23:52:49,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:49,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:49,312 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-12-06 23:52:49,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:49,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509181040] [2021-12-06 23:52:49,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509181040] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:49,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:49,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:52:49,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464544317] [2021-12-06 23:52:49,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:49,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:49,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:49,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:49,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:49,314 INFO L87 Difference]: Start difference. First operand 14428 states and 16316 transitions. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:49,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:49,915 INFO L93 Difference]: Finished difference Result 32350 states and 36463 transitions. [2021-12-06 23:52:49,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:49,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 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 357 [2021-12-06 23:52:49,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:49,931 INFO L225 Difference]: With dead ends: 32350 [2021-12-06 23:52:49,931 INFO L226 Difference]: Without dead ends: 16448 [2021-12-06 23:52:49,940 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 [2021-12-06 23:52:49,941 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 150 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:49,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 309 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:52:49,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16448 states. [2021-12-06 23:52:50,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16448 to 14052. [2021-12-06 23:52:50,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14052 states, 14051 states have (on average 1.095224539178706) internal successors, (15389), 14051 states have internal predecessors, (15389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:50,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14052 states to 14052 states and 15389 transitions. [2021-12-06 23:52:50,112 INFO L78 Accepts]: Start accepts. Automaton has 14052 states and 15389 transitions. Word has length 357 [2021-12-06 23:52:50,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:50,112 INFO L470 AbstractCegarLoop]: Abstraction has 14052 states and 15389 transitions. [2021-12-06 23:52:50,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:50,112 INFO L276 IsEmpty]: Start isEmpty. Operand 14052 states and 15389 transitions. [2021-12-06 23:52:50,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-12-06 23:52:50,117 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:50,117 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:50,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 23:52:50,118 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:50,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:50,118 INFO L85 PathProgramCache]: Analyzing trace with hash -2132777761, now seen corresponding path program 1 times [2021-12-06 23:52:50,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:50,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762777579] [2021-12-06 23:52:50,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:50,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:50,215 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-12-06 23:52:50,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:50,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762777579] [2021-12-06 23:52:50,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762777579] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:50,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:50,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:52:50,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898704284] [2021-12-06 23:52:50,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:50,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:52:50,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:50,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:52:50,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:52:50,216 INFO L87 Difference]: Start difference. First operand 14052 states and 15389 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:51,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:51,041 INFO L93 Difference]: Finished difference Result 28841 states and 31559 transitions. [2021-12-06 23:52:51,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:52:51,042 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 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 358 [2021-12-06 23:52:51,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:51,054 INFO L225 Difference]: With dead ends: 28841 [2021-12-06 23:52:51,055 INFO L226 Difference]: Without dead ends: 15159 [2021-12-06 23:52:51,061 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 [2021-12-06 23:52:51,061 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 307 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:51,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [307 Valid, 111 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 23:52:51,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15159 states. [2021-12-06 23:52:51,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15159 to 14236. [2021-12-06 23:52:51,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14236 states, 14235 states have (on average 1.0942746750965928) internal successors, (15577), 14235 states have internal predecessors, (15577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:51,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14236 states to 14236 states and 15577 transitions. [2021-12-06 23:52:51,211 INFO L78 Accepts]: Start accepts. Automaton has 14236 states and 15577 transitions. Word has length 358 [2021-12-06 23:52:51,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:51,211 INFO L470 AbstractCegarLoop]: Abstraction has 14236 states and 15577 transitions. [2021-12-06 23:52:51,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:51,211 INFO L276 IsEmpty]: Start isEmpty. Operand 14236 states and 15577 transitions. [2021-12-06 23:52:51,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-12-06 23:52:51,216 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:51,217 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:51,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 23:52:51,217 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:51,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:51,217 INFO L85 PathProgramCache]: Analyzing trace with hash 827224776, now seen corresponding path program 1 times [2021-12-06 23:52:51,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:51,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244100332] [2021-12-06 23:52:51,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:51,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:51,310 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-06 23:52:51,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:51,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244100332] [2021-12-06 23:52:51,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244100332] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:51,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:51,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:52:51,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857888386] [2021-12-06 23:52:51,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:51,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:52:51,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:51,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:52:51,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:52:51,311 INFO L87 Difference]: Start difference. First operand 14236 states and 15577 transitions. Second operand has 4 states, 4 states have (on average 73.0) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:52,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:52,147 INFO L93 Difference]: Finished difference Result 36219 states and 39627 transitions. [2021-12-06 23:52:52,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:52:52,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 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 372 [2021-12-06 23:52:52,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:52,162 INFO L225 Difference]: With dead ends: 36219 [2021-12-06 23:52:52,162 INFO L226 Difference]: Without dead ends: 21801 [2021-12-06 23:52:52,169 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 [2021-12-06 23:52:52,170 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 211 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:52,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [211 Valid, 78 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1119 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 23:52:52,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21801 states. [2021-12-06 23:52:52,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21801 to 20506. [2021-12-06 23:52:52,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20506 states, 20505 states have (on average 1.090904657400634) internal successors, (22369), 20505 states have internal predecessors, (22369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:52,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20506 states to 20506 states and 22369 transitions. [2021-12-06 23:52:52,369 INFO L78 Accepts]: Start accepts. Automaton has 20506 states and 22369 transitions. Word has length 372 [2021-12-06 23:52:52,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:52,369 INFO L470 AbstractCegarLoop]: Abstraction has 20506 states and 22369 transitions. [2021-12-06 23:52:52,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand 20506 states and 22369 transitions. [2021-12-06 23:52:52,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-12-06 23:52:52,377 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:52,377 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:52,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 23:52:52,377 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:52,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:52,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1553293930, now seen corresponding path program 1 times [2021-12-06 23:52:52,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:52,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786491612] [2021-12-06 23:52:52,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:52,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 146 proven. 200 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-12-06 23:52:52,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:52,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786491612] [2021-12-06 23:52:52,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786491612] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:52:52,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278153467] [2021-12-06 23:52:52,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:52,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:52:52,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:52,485 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:52:52,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 23:52:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:52,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-06 23:52:52,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:52:53,676 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 244 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:52:53,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:52:56,281 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 244 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:52:56,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278153467] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:52:56,281 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 23:52:56,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 11 [2021-12-06 23:52:56,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860273062] [2021-12-06 23:52:56,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 23:52:56,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 23:52:56,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:56,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 23:52:56,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-12-06 23:52:56,284 INFO L87 Difference]: Start difference. First operand 20506 states and 22369 transitions. Second operand has 12 states, 12 states have (on average 76.16666666666667) internal successors, (914), 11 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:01,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:53:01,149 INFO L93 Difference]: Finished difference Result 61536 states and 66765 transitions. [2021-12-06 23:53:01,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-06 23:53:01,149 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 76.16666666666667) internal successors, (914), 11 states have internal predecessors, (914), 0 states have call successors, (0), 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 389 [2021-12-06 23:53:01,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:53:01,181 INFO L225 Difference]: With dead ends: 61536 [2021-12-06 23:53:01,181 INFO L226 Difference]: Without dead ends: 40662 [2021-12-06 23:53:01,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 809 GetRequests, 770 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=464, Invalid=1176, Unknown=0, NotChecked=0, Total=1640 [2021-12-06 23:53:01,194 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 5059 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 6640 mSolverCounterSat, 2135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5059 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 8775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2135 IncrementalHoareTripleChecker+Valid, 6640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:53:01,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5059 Valid, 181 Invalid, 8775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2135 Valid, 6640 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-06 23:53:01,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40662 states. [2021-12-06 23:53:01,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40662 to 35614. [2021-12-06 23:53:01,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35614 states, 35613 states have (on average 1.0764046836829249) internal successors, (38334), 35613 states have internal predecessors, (38334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:01,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35614 states to 35614 states and 38334 transitions. [2021-12-06 23:53:01,618 INFO L78 Accepts]: Start accepts. Automaton has 35614 states and 38334 transitions. Word has length 389 [2021-12-06 23:53:01,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:53:01,618 INFO L470 AbstractCegarLoop]: Abstraction has 35614 states and 38334 transitions. [2021-12-06 23:53:01,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 76.16666666666667) internal successors, (914), 11 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 35614 states and 38334 transitions. [2021-12-06 23:53:01,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-12-06 23:53:01,627 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:53:01,628 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:53:01,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 23:53:01,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:53:01,830 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:53:01,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:53:01,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1546004851, now seen corresponding path program 1 times [2021-12-06 23:53:01,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:53:01,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92219391] [2021-12-06 23:53:01,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:53:01,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:53:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:53:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-12-06 23:53:01,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:53:01,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92219391] [2021-12-06 23:53:01,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92219391] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:53:01,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:53:01,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:53:01,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402291545] [2021-12-06 23:53:01,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:53:01,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:53:01,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:53:01,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:53:01,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:53:01,961 INFO L87 Difference]: Start difference. First operand 35614 states and 38334 transitions. Second operand has 4 states, 4 states have (on average 57.25) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:02,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:53:02,940 INFO L93 Difference]: Finished difference Result 72893 states and 78533 transitions. [2021-12-06 23:53:02,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:53:02,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.25) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 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 394 [2021-12-06 23:53:02,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:53:02,970 INFO L225 Difference]: With dead ends: 72893 [2021-12-06 23:53:02,970 INFO L226 Difference]: Without dead ends: 37649 [2021-12-06 23:53:02,985 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 [2021-12-06 23:53:02,986 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 200 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 23:53:02,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 105 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 23:53:03,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37649 states. [2021-12-06 23:53:03,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37649 to 33762. [2021-12-06 23:53:03,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33762 states, 33761 states have (on average 1.0759752377003051) internal successors, (36326), 33761 states have internal predecessors, (36326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:03,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33762 states to 33762 states and 36326 transitions. [2021-12-06 23:53:03,396 INFO L78 Accepts]: Start accepts. Automaton has 33762 states and 36326 transitions. Word has length 394 [2021-12-06 23:53:03,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:53:03,397 INFO L470 AbstractCegarLoop]: Abstraction has 33762 states and 36326 transitions. [2021-12-06 23:53:03,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.25) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:03,397 INFO L276 IsEmpty]: Start isEmpty. Operand 33762 states and 36326 transitions. [2021-12-06 23:53:03,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-12-06 23:53:03,408 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:53:03,408 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:53:03,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 23:53:03,408 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:53:03,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:53:03,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1148113260, now seen corresponding path program 1 times [2021-12-06 23:53:03,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:53:03,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196834955] [2021-12-06 23:53:03,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:53:03,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:53:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:53:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-12-06 23:53:03,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:53:03,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196834955] [2021-12-06 23:53:03,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196834955] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:53:03,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:53:03,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:53:03,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161013882] [2021-12-06 23:53:03,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:53:03,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:53:03,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:53:03,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:53:03,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:53:03,517 INFO L87 Difference]: Start difference. First operand 33762 states and 36326 transitions. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:04,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:53:04,104 INFO L93 Difference]: Finished difference Result 69174 states and 74442 transitions. [2021-12-06 23:53:04,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:53:04,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 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 434 [2021-12-06 23:53:04,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:53:04,133 INFO L225 Difference]: With dead ends: 69174 [2021-12-06 23:53:04,133 INFO L226 Difference]: Without dead ends: 35782 [2021-12-06 23:53:04,147 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 [2021-12-06 23:53:04,148 INFO L933 BasicCegarLoop]: 297 mSDtfsCounter, 156 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:53:04,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 316 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 23:53:04,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35782 states. [2021-12-06 23:53:04,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35782 to 29520. [2021-12-06 23:53:04,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29520 states, 29519 states have (on average 1.0707679799451202) internal successors, (31608), 29519 states have internal predecessors, (31608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:04,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29520 states to 29520 states and 31608 transitions. [2021-12-06 23:53:04,567 INFO L78 Accepts]: Start accepts. Automaton has 29520 states and 31608 transitions. Word has length 434 [2021-12-06 23:53:04,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:53:04,567 INFO L470 AbstractCegarLoop]: Abstraction has 29520 states and 31608 transitions. [2021-12-06 23:53:04,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:04,567 INFO L276 IsEmpty]: Start isEmpty. Operand 29520 states and 31608 transitions. [2021-12-06 23:53:04,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2021-12-06 23:53:04,578 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:53:04,578 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:53:04,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 23:53:04,578 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:53:04,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:53:04,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1848032332, now seen corresponding path program 1 times [2021-12-06 23:53:04,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:53:04,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202765558] [2021-12-06 23:53:04,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:53:04,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:53:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:53:04,703 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 608 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-12-06 23:53:04,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:53:04,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202765558] [2021-12-06 23:53:04,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202765558] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:53:04,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:53:04,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:53:04,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823276515] [2021-12-06 23:53:04,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:53:04,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:53:04,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:53:04,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:53:04,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:53:04,705 INFO L87 Difference]: Start difference. First operand 29520 states and 31608 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:05,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:53:05,395 INFO L93 Difference]: Finished difference Result 57758 states and 61913 transitions. [2021-12-06 23:53:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:53:05,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 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 468 [2021-12-06 23:53:05,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:53:05,423 INFO L225 Difference]: With dead ends: 57758 [2021-12-06 23:53:05,423 INFO L226 Difference]: Without dead ends: 30816 [2021-12-06 23:53:05,436 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 [2021-12-06 23:53:05,437 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 134 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:53:05,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 111 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:53:05,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30816 states. [2021-12-06 23:53:05,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30816 to 29152. [2021-12-06 23:53:05,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29152 states, 29151 states have (on average 1.0702205756234777) internal successors, (31198), 29151 states have internal predecessors, (31198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:05,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29152 states to 29152 states and 31198 transitions. [2021-12-06 23:53:05,782 INFO L78 Accepts]: Start accepts. Automaton has 29152 states and 31198 transitions. Word has length 468 [2021-12-06 23:53:05,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:53:05,783 INFO L470 AbstractCegarLoop]: Abstraction has 29152 states and 31198 transitions. [2021-12-06 23:53:05,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:05,783 INFO L276 IsEmpty]: Start isEmpty. Operand 29152 states and 31198 transitions. [2021-12-06 23:53:05,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2021-12-06 23:53:05,790 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:53:05,791 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:53:05,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-06 23:53:05,791 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:53:05,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:53:05,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1117136727, now seen corresponding path program 1 times [2021-12-06 23:53:05,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:53:05,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739208199] [2021-12-06 23:53:05,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:53:05,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:53:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:53:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 269 proven. 132 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-12-06 23:53:05,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:53:05,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739208199] [2021-12-06 23:53:05,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739208199] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:53:05,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415328333] [2021-12-06 23:53:05,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:53:05,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:53:05,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:53:05,936 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:53:05,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 23:53:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:53:06,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:53:06,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:53:06,386 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 401 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-12-06 23:53:06,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:53:06,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415328333] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:53:06,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:53:06,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 23:53:06,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619162928] [2021-12-06 23:53:06,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:53:06,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:53:06,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:53:06,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:53:06,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:53:06,388 INFO L87 Difference]: Start difference. First operand 29152 states and 31198 transitions. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:06,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:53:06,931 INFO L93 Difference]: Finished difference Result 55910 states and 59881 transitions. [2021-12-06 23:53:06,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:53:06,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 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 472 [2021-12-06 23:53:06,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:53:06,956 INFO L225 Difference]: With dead ends: 55910 [2021-12-06 23:53:06,956 INFO L226 Difference]: Without dead ends: 28782 [2021-12-06 23:53:06,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:53:06,967 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 120 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:53:06,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 163 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 23:53:06,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28782 states. [2021-12-06 23:53:07,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28782 to 28046. [2021-12-06 23:53:07,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28046 states, 28045 states have (on average 1.0686040292387236) internal successors, (29969), 28045 states have internal predecessors, (29969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:07,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28046 states to 28046 states and 29969 transitions. [2021-12-06 23:53:07,276 INFO L78 Accepts]: Start accepts. Automaton has 28046 states and 29969 transitions. Word has length 472 [2021-12-06 23:53:07,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:53:07,276 INFO L470 AbstractCegarLoop]: Abstraction has 28046 states and 29969 transitions. [2021-12-06 23:53:07,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:07,276 INFO L276 IsEmpty]: Start isEmpty. Operand 28046 states and 29969 transitions. [2021-12-06 23:53:07,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2021-12-06 23:53:07,285 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:53:07,286 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 23:53:07,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 23:53:07,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-12-06 23:53:07,487 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:53:07,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:53:07,489 INFO L85 PathProgramCache]: Analyzing trace with hash 2131901513, now seen corresponding path program 1 times [2021-12-06 23:53:07,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:53:07,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045116897] [2021-12-06 23:53:07,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:53:07,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:53:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:53:07,705 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 599 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-12-06 23:53:07,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:53:07,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045116897] [2021-12-06 23:53:07,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045116897] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:53:07,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:53:07,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:53:07,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768778128] [2021-12-06 23:53:07,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:53:07,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 23:53:07,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:53:07,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:53:07,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:53:07,706 INFO L87 Difference]: Start difference. First operand 28046 states and 29969 transitions. Second operand has 7 states, 7 states have (on average 56.285714285714285) internal successors, (394), 6 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:08,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:53:08,790 INFO L93 Difference]: Finished difference Result 59353 states and 63381 transitions. [2021-12-06 23:53:08,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 23:53:08,791 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 56.285714285714285) internal successors, (394), 6 states have internal predecessors, (394), 0 states have call successors, (0), 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 523 [2021-12-06 23:53:08,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:53:08,817 INFO L225 Difference]: With dead ends: 59353 [2021-12-06 23:53:08,817 INFO L226 Difference]: Without dead ends: 33701 [2021-12-06 23:53:08,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-06 23:53:08,827 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 331 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1797 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 1963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 1797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 23:53:08,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [331 Valid, 188 Invalid, 1963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 1797 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 23:53:08,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33701 states. [2021-12-06 23:53:09,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33701 to 29152. [2021-12-06 23:53:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29152 states, 29151 states have (on average 1.069054234846146) internal successors, (31164), 29151 states have internal predecessors, (31164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:09,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29152 states to 29152 states and 31164 transitions. [2021-12-06 23:53:09,183 INFO L78 Accepts]: Start accepts. Automaton has 29152 states and 31164 transitions. Word has length 523 [2021-12-06 23:53:09,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:53:09,183 INFO L470 AbstractCegarLoop]: Abstraction has 29152 states and 31164 transitions. [2021-12-06 23:53:09,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 56.285714285714285) internal successors, (394), 6 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:09,184 INFO L276 IsEmpty]: Start isEmpty. Operand 29152 states and 31164 transitions. [2021-12-06 23:53:09,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2021-12-06 23:53:09,194 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:53:09,194 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 23:53:09,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-06 23:53:09,195 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:53:09,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:53:09,195 INFO L85 PathProgramCache]: Analyzing trace with hash 435204898, now seen corresponding path program 1 times [2021-12-06 23:53:09,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:53:09,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720740545] [2021-12-06 23:53:09,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:53:09,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:53:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:53:09,426 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 606 proven. 8 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-12-06 23:53:09,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:53:09,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720740545] [2021-12-06 23:53:09,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720740545] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:53:09,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538345308] [2021-12-06 23:53:09,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:53:09,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:53:09,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:53:09,427 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:53:09,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 23:53:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:53:09,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 23:53:09,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:53:10,522 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 493 proven. 121 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-12-06 23:53:10,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:53:13,022 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 493 proven. 121 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-12-06 23:53:13,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538345308] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:53:13,023 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 23:53:13,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 10 [2021-12-06 23:53:13,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361959520] [2021-12-06 23:53:13,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 23:53:13,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 23:53:13,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:53:13,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 23:53:13,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-12-06 23:53:13,025 INFO L87 Difference]: Start difference. First operand 29152 states and 31164 transitions. Second operand has 11 states, 11 states have (on average 88.36363636363636) internal successors, (972), 10 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:16,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:53:16,263 INFO L93 Difference]: Finished difference Result 62639 states and 66777 transitions. [2021-12-06 23:53:16,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-06 23:53:16,264 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 88.36363636363636) internal successors, (972), 10 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 533 [2021-12-06 23:53:16,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:53:16,286 INFO L225 Difference]: With dead ends: 62639 [2021-12-06 23:53:16,286 INFO L226 Difference]: Without dead ends: 29174 [2021-12-06 23:53:16,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1097 GetRequests, 1062 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=363, Invalid=969, Unknown=0, NotChecked=0, Total=1332 [2021-12-06 23:53:16,300 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 1326 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 3773 mSolverCounterSat, 805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1326 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 4578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 805 IncrementalHoareTripleChecker+Valid, 3773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-06 23:53:16,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1326 Valid, 169 Invalid, 4578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [805 Valid, 3773 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-06 23:53:16,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29174 states. [2021-12-06 23:53:16,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29174 to 14401. [2021-12-06 23:53:16,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14401 states, 14400 states have (on average 1.0522916666666666) internal successors, (15153), 14400 states have internal predecessors, (15153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:16,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14401 states to 14401 states and 15153 transitions. [2021-12-06 23:53:16,544 INFO L78 Accepts]: Start accepts. Automaton has 14401 states and 15153 transitions. Word has length 533 [2021-12-06 23:53:16,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:53:16,544 INFO L470 AbstractCegarLoop]: Abstraction has 14401 states and 15153 transitions. [2021-12-06 23:53:16,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 88.36363636363636) internal successors, (972), 10 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:16,544 INFO L276 IsEmpty]: Start isEmpty. Operand 14401 states and 15153 transitions. [2021-12-06 23:53:16,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2021-12-06 23:53:16,551 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:53:16,551 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:53:16,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 23:53:16,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-12-06 23:53:16,753 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:53:16,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:53:16,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1729367067, now seen corresponding path program 1 times [2021-12-06 23:53:16,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:53:16,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736073225] [2021-12-06 23:53:16,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:53:16,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:53:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:53:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 390 proven. 206 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-12-06 23:53:16,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:53:16,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736073225] [2021-12-06 23:53:16,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736073225] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:53:16,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024618084] [2021-12-06 23:53:16,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:53:16,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:53:16,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:53:16,942 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:53:16,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 23:53:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:53:17,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 23:53:17,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:53:18,902 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 341 proven. 255 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-12-06 23:53:18,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:53:20,535 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 527 proven. 69 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-12-06 23:53:20,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024618084] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:53:20,535 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 23:53:20,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-06 23:53:20,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298081434] [2021-12-06 23:53:20,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 23:53:20,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 23:53:20,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:53:20,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 23:53:20,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:53:20,537 INFO L87 Difference]: Start difference. First operand 14401 states and 15153 transitions. Second operand has 10 states, 10 states have (on average 84.3) internal successors, (843), 10 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:23,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:53:23,045 INFO L93 Difference]: Finished difference Result 36371 states and 38285 transitions. [2021-12-06 23:53:23,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 23:53:23,046 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 84.3) internal successors, (843), 10 states have internal predecessors, (843), 0 states have call successors, (0), 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 536 [2021-12-06 23:53:23,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:53:23,059 INFO L225 Difference]: With dead ends: 36371 [2021-12-06 23:53:23,059 INFO L226 Difference]: Without dead ends: 20500 [2021-12-06 23:53:23,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1075 GetRequests, 1066 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:53:23,067 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 1032 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 3052 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 3467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 3052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:53:23,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1032 Valid, 151 Invalid, 3467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 3052 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-06 23:53:23,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20500 states. [2021-12-06 23:53:23,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20500 to 18461. [2021-12-06 23:53:23,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18461 states, 18460 states have (on average 1.0465872156013) internal successors, (19320), 18460 states have internal predecessors, (19320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:23,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18461 states to 18461 states and 19320 transitions. [2021-12-06 23:53:23,275 INFO L78 Accepts]: Start accepts. Automaton has 18461 states and 19320 transitions. Word has length 536 [2021-12-06 23:53:23,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:53:23,275 INFO L470 AbstractCegarLoop]: Abstraction has 18461 states and 19320 transitions. [2021-12-06 23:53:23,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 84.3) internal successors, (843), 10 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:23,275 INFO L276 IsEmpty]: Start isEmpty. Operand 18461 states and 19320 transitions. [2021-12-06 23:53:23,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2021-12-06 23:53:23,284 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:53:23,285 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:53:23,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 23:53:23,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-12-06 23:53:23,486 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:53:23,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:53:23,488 INFO L85 PathProgramCache]: Analyzing trace with hash -90709383, now seen corresponding path program 1 times [2021-12-06 23:53:23,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:53:23,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917985059] [2021-12-06 23:53:23,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:53:23,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:53:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:53:23,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1288 backedges. 984 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2021-12-06 23:53:23,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:53:23,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917985059] [2021-12-06 23:53:23,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917985059] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:53:23,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:53:23,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:53:23,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264782504] [2021-12-06 23:53:23,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:53:23,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:53:23,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:53:23,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:53:23,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:53:23,673 INFO L87 Difference]: Start difference. First operand 18461 states and 19320 transitions. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:24,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:53:24,143 INFO L93 Difference]: Finished difference Result 33964 states and 35530 transitions. [2021-12-06 23:53:24,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:53:24,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 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 670 [2021-12-06 23:53:24,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:53:24,153 INFO L225 Difference]: With dead ends: 33964 [2021-12-06 23:53:24,153 INFO L226 Difference]: Without dead ends: 15689 [2021-12-06 23:53:24,159 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 [2021-12-06 23:53:24,159 INFO L933 BasicCegarLoop]: 250 mSDtfsCounter, 91 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:53:24,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 259 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 23:53:24,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15689 states. [2021-12-06 23:53:24,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15689 to 13107. [2021-12-06 23:53:24,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13107 states, 13106 states have (on average 1.0424996184953457) internal successors, (13663), 13106 states have internal predecessors, (13663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:24,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13107 states to 13107 states and 13663 transitions. [2021-12-06 23:53:24,300 INFO L78 Accepts]: Start accepts. Automaton has 13107 states and 13663 transitions. Word has length 670 [2021-12-06 23:53:24,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:53:24,301 INFO L470 AbstractCegarLoop]: Abstraction has 13107 states and 13663 transitions. [2021-12-06 23:53:24,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:24,301 INFO L276 IsEmpty]: Start isEmpty. Operand 13107 states and 13663 transitions. [2021-12-06 23:53:24,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2021-12-06 23:53:24,307 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:53:24,308 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:53:24,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-06 23:53:24,308 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:53:24,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:53:24,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1179876378, now seen corresponding path program 1 times [2021-12-06 23:53:24,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:53:24,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997492883] [2021-12-06 23:53:24,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:53:24,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:53:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:53:24,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 1067 proven. 0 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2021-12-06 23:53:24,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:53:24,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997492883] [2021-12-06 23:53:24,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997492883] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:53:24,449 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:53:24,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:53:24,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725983444] [2021-12-06 23:53:24,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:53:24,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:53:24,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:53:24,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:53:24,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:53:24,450 INFO L87 Difference]: Start difference. First operand 13107 states and 13663 transitions. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:24,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:53:24,873 INFO L93 Difference]: Finished difference Result 25847 states and 26954 transitions. [2021-12-06 23:53:24,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:53:24,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 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 671 [2021-12-06 23:53:24,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:53:24,884 INFO L225 Difference]: With dead ends: 25847 [2021-12-06 23:53:24,884 INFO L226 Difference]: Without dead ends: 12742 [2021-12-06 23:53:24,889 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 [2021-12-06 23:53:24,890 INFO L933 BasicCegarLoop]: 289 mSDtfsCounter, 110 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:53:24,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 309 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 23:53:24,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12742 states. [2021-12-06 23:53:24,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12742 to 10899. [2021-12-06 23:53:24,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10899 states, 10898 states have (on average 1.0387227014131033) internal successors, (11320), 10898 states have internal predecessors, (11320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:25,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10899 states to 10899 states and 11320 transitions. [2021-12-06 23:53:25,008 INFO L78 Accepts]: Start accepts. Automaton has 10899 states and 11320 transitions. Word has length 671 [2021-12-06 23:53:25,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:53:25,009 INFO L470 AbstractCegarLoop]: Abstraction has 10899 states and 11320 transitions. [2021-12-06 23:53:25,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:25,009 INFO L276 IsEmpty]: Start isEmpty. Operand 10899 states and 11320 transitions. [2021-12-06 23:53:25,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2021-12-06 23:53:25,015 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:53:25,015 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:53:25,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-06 23:53:25,015 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:53:25,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:53:25,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1608734886, now seen corresponding path program 1 times [2021-12-06 23:53:25,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:53:25,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261995429] [2021-12-06 23:53:25,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:53:25,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:53:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:53:25,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1274 backedges. 911 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-12-06 23:53:25,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:53:25,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261995429] [2021-12-06 23:53:25,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261995429] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:53:25,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:53:25,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:53:25,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830748198] [2021-12-06 23:53:25,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:53:25,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:53:25,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:53:25,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:53:25,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:53:25,186 INFO L87 Difference]: Start difference. First operand 10899 states and 11320 transitions. Second operand has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:25,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:53:25,860 INFO L93 Difference]: Finished difference Result 23829 states and 24745 transitions. [2021-12-06 23:53:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:53:25,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 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 677 [2021-12-06 23:53:25,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:53:25,869 INFO L225 Difference]: With dead ends: 23829 [2021-12-06 23:53:25,869 INFO L226 Difference]: Without dead ends: 13300 [2021-12-06 23:53:25,873 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 [2021-12-06 23:53:25,874 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 219 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 23:53:25,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 66 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 922 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 23:53:25,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13300 states. [2021-12-06 23:53:25,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13300 to 9985. [2021-12-06 23:53:25,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9985 states, 9984 states have (on average 1.0360576923076923) internal successors, (10344), 9984 states have internal predecessors, (10344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:25,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9985 states to 9985 states and 10344 transitions. [2021-12-06 23:53:25,986 INFO L78 Accepts]: Start accepts. Automaton has 9985 states and 10344 transitions. Word has length 677 [2021-12-06 23:53:25,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:53:25,987 INFO L470 AbstractCegarLoop]: Abstraction has 9985 states and 10344 transitions. [2021-12-06 23:53:25,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:25,987 INFO L276 IsEmpty]: Start isEmpty. Operand 9985 states and 10344 transitions. [2021-12-06 23:53:25,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2021-12-06 23:53:25,993 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:53:25,993 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:53:25,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-06 23:53:25,993 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:53:25,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:53:25,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1890581185, now seen corresponding path program 1 times [2021-12-06 23:53:25,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:53:25,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433537086] [2021-12-06 23:53:25,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:53:25,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:53:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:53:26,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 921 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2021-12-06 23:53:26,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:53:26,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433537086] [2021-12-06 23:53:26,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433537086] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:53:26,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:53:26,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:53:26,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444357430] [2021-12-06 23:53:26,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:53:26,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:53:26,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:53:26,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:53:26,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:53:26,179 INFO L87 Difference]: Start difference. First operand 9985 states and 10344 transitions. Second operand has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:26,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:53:26,816 INFO L93 Difference]: Finished difference Result 20155 states and 20879 transitions. [2021-12-06 23:53:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:53:26,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 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 733 [2021-12-06 23:53:26,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:53:26,823 INFO L225 Difference]: With dead ends: 20155 [2021-12-06 23:53:26,823 INFO L226 Difference]: Without dead ends: 10908 [2021-12-06 23:53:26,826 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 [2021-12-06 23:53:26,827 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 224 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 23:53:26,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 60 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 23:53:26,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10908 states. [2021-12-06 23:53:26,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10908 to 8319. [2021-12-06 23:53:26,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8319 states, 8318 states have (on average 1.0373887953835057) internal successors, (8629), 8318 states have internal predecessors, (8629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:26,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8319 states to 8319 states and 8629 transitions. [2021-12-06 23:53:26,914 INFO L78 Accepts]: Start accepts. Automaton has 8319 states and 8629 transitions. Word has length 733 [2021-12-06 23:53:26,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:53:26,914 INFO L470 AbstractCegarLoop]: Abstraction has 8319 states and 8629 transitions. [2021-12-06 23:53:26,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:26,914 INFO L276 IsEmpty]: Start isEmpty. Operand 8319 states and 8629 transitions. [2021-12-06 23:53:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 758 [2021-12-06 23:53:26,920 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:53:26,920 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:53:26,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-12-06 23:53:26,921 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:53:26,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:53:26,921 INFO L85 PathProgramCache]: Analyzing trace with hash 470610289, now seen corresponding path program 1 times [2021-12-06 23:53:26,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:53:26,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108346054] [2021-12-06 23:53:26,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:53:26,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:53:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:53:27,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1484 backedges. 1018 proven. 0 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2021-12-06 23:53:27,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:53:27,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108346054] [2021-12-06 23:53:27,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108346054] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:53:27,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:53:27,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:53:27,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006586971] [2021-12-06 23:53:27,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:53:27,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:53:27,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:53:27,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:53:27,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:53:27,110 INFO L87 Difference]: Start difference. First operand 8319 states and 8629 transitions. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:27,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:53:27,445 INFO L93 Difference]: Finished difference Result 12572 states and 13010 transitions. [2021-12-06 23:53:27,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:53:27,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 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 757 [2021-12-06 23:53:27,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:53:27,446 INFO L225 Difference]: With dead ends: 12572 [2021-12-06 23:53:27,446 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 23:53:27,449 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 [2021-12-06 23:53:27,449 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 86 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:53:27,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 19 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 23:53:27,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 23:53:27,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 23:53:27,450 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) [2021-12-06 23:53:27,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 23:53:27,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 757 [2021-12-06 23:53:27,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:53:27,450 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:53:27,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:27,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 23:53:27,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 23:53:27,452 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 23:53:27,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-12-06 23:53:27,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 23:59:02,731 WARN L227 SmtUtils]: Spent 5.59m on a formula simplification. DAG size of input: 1579 DAG size of output: 1563 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-07 00:04:37,790 WARN L227 SmtUtils]: Spent 5.58m on a formula simplification. DAG size of input: 1579 DAG size of output: 1563 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-07 00:04:56,320 WARN L227 SmtUtils]: Spent 18.52s on a formula simplification. DAG size of input: 1563 DAG size of output: 200 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-07 00:05:14,578 WARN L227 SmtUtils]: Spent 18.25s on a formula simplification. DAG size of input: 1563 DAG size of output: 200 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-07 00:05:14,581 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-07 00:05:14,581 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,581 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,582 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-07 00:05:14,583 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,584 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,584 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,584 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse33 (div (+ (* ~a29~0 3) (- 554771)) 5))) (let ((.cse32 (div (+ 25350 .cse33) 5)) (.cse18 (= ~a25~0 12)) (.cse13 (<= ~a25~0 10)) (.cse8 (= ~a4~0 1)) (.cse6 (<= ~a29~0 130))) (let ((.cse21 (<= ~a29~0 220)) (.cse26 (<= ~a29~0 232)) (.cse15 (< 245 ~a29~0)) (.cse12 (<= 307 ~a23~0)) (.cse28 (or (and .cse18 .cse8 .cse6) (and .cse13 .cse8 .cse6))) (.cse17 (<= 260 ~a29~0)) (.cse16 (< 0 (+ ~a23~0 43))) (.cse22 (<= ~a23~0 312)) (.cse29 (or (<= ~a29~0 277) (<= ~a23~0 306) (not .cse18))) (.cse9 (= ~a25~0 10)) (.cse2 (= ~a25~0 11)) (.cse14 (<= 246 ~a29~0)) (.cse24 (<= 141 ~a29~0)) (.cse31 (<= 115953 ~a29~0)) (.cse11 (<= 130 ~a29~0)) (.cse7 (<= ~a23~0 599997)) (.cse25 (<= 21782 ~a23~0)) (.cse0 (<= (+ ~a23~0 55) 0)) (.cse1 (< 0 (+ .cse32 110635))) (.cse4 (or (< 0 (+ .cse32 110634)) (not (= (mod .cse33 5) 0)))) (.cse19 (<= ~a4~0 0)) (.cse20 (= ~a25~0 13)) (.cse30 (<= 0 (+ ~a23~0 599772))) (.cse10 (<= ~a23~0 247)) (.cse23 (<= ~a29~0 274)) (.cse3 (= ~a3~0 1)) (.cse27 (<= 253 ~a29~0)) (.cse5 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse3 .cse8 (<= 0 (+ ~a29~0 554195)) .cse5 .cse9) (and .cse10 .cse2 .cse8 .cse5 .cse11) (and .cse12 .cse13 .cse3 .cse8 .cse5 .cse14) (and .cse15 .cse10 .cse16 .cse13 .cse3 .cse8 .cse5) (and .cse17 (<= ~a29~0 275) .cse18 .cse3 .cse5 .cse19) (and .cse20 .cse1 .cse7 .cse12 .cse3 .cse4 .cse8 .cse5) (and .cse17 .cse13 .cse3 .cse8 .cse5) (and .cse20 .cse3 .cse21 .cse8 .cse22 .cse5 .cse11) (and .cse18 .cse23 .cse3 .cse5 .cse14 .cse19 .cse11) (and .cse7 .cse24 (or (and .cse18 .cse23 .cse3 .cse25 .cse8 .cse26 .cse5 .cse11) (and .cse2 .cse3 .cse21 .cse8 .cse5) (and .cse18 .cse12 .cse3 .cse21 .cse8 .cse5))) (and .cse20 .cse23 .cse24 .cse3 .cse8 .cse26 .cse5 .cse11) (and .cse18 .cse10 .cse23 .cse3 .cse27 .cse5) (and .cse1 (or (and (<= ~a29~0 140) .cse13 .cse3 .cse8 .cse22 .cse5) (and .cse28 .cse3 .cse22 .cse5)) .cse16 .cse4) (and .cse13 .cse24 .cse3 .cse25 .cse8 .cse5) (and .cse0 .cse1 .cse13 .cse3 .cse4 .cse5 .cse6) (and .cse10 (<= 10250 ~a29~0) .cse3 (<= ~a25~0 9) .cse5) (and (<= ~a23~0 600000) (or (and .cse18 .cse29 .cse15 .cse12 .cse3 .cse8 .cse5) (and .cse2 .cse3 .cse8 .cse5 .cse14 .cse11) (and .cse18 .cse23 .cse3 .cse8 .cse5 .cse14 .cse11))) (and .cse30 (or (and .cse20 .cse10 .cse8 .cse5 .cse6) (and .cse28 .cse10 .cse5) (and .cse18 .cse10 .cse8 .cse5)) .cse3) (and .cse20 .cse17 .cse16 .cse3 .cse8 .cse22 .cse5) (and (not .cse20) .cse29 .cse3 .cse8 .cse5 .cse31) (and .cse20 .cse30 .cse1 .cse7 .cse3 .cse4 .cse8 .cse5 .cse6) (and .cse10 .cse8 .cse5 .cse9) (and .cse2 (< 277 ~a29~0) .cse3 .cse8 .cse5 .cse14 .cse11) (and .cse18 .cse30 .cse10 .cse23 .cse3 .cse5 .cse14) (and .cse0 .cse18 .cse23 .cse24 .cse3 .cse5 .cse19 .cse11) (and .cse3 (or (and .cse20 .cse10 .cse23 .cse8 .cse5 .cse11) (and .cse10 .cse8 .cse5 .cse31) (and .cse18 .cse10 .cse23 .cse8 .cse5 .cse11))) (and (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) .cse18 .cse1 .cse7 .cse3 .cse25 .cse4 .cse8 .cse5 .cse6) (and .cse0 (not (= |ULTIMATE.start_calculate_output_~input#1| 3)) .cse18 .cse30 .cse1 .cse3 .cse4 .cse5 .cse19 .cse6) (and .cse20 .cse30 .cse10 .cse23 .cse3 .cse27 .cse5))))) [2021-12-07 00:05:14,584 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,584 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-07 00:05:14,584 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-07 00:05:14,584 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,584 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,584 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,584 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,584 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,584 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,585 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,586 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,586 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,586 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,586 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,586 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-07 00:05:14,586 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-07 00:05:14,586 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-07 00:05:14,586 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,586 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse33 (div (+ (* ~a29~0 3) (- 554771)) 5))) (let ((.cse32 (div (+ 25350 .cse33) 5)) (.cse18 (= ~a25~0 12)) (.cse13 (<= ~a25~0 10)) (.cse8 (= ~a4~0 1)) (.cse6 (<= ~a29~0 130))) (let ((.cse21 (<= ~a29~0 220)) (.cse26 (<= ~a29~0 232)) (.cse15 (< 245 ~a29~0)) (.cse12 (<= 307 ~a23~0)) (.cse28 (or (and .cse18 .cse8 .cse6) (and .cse13 .cse8 .cse6))) (.cse17 (<= 260 ~a29~0)) (.cse16 (< 0 (+ ~a23~0 43))) (.cse22 (<= ~a23~0 312)) (.cse29 (or (<= ~a29~0 277) (<= ~a23~0 306) (not .cse18))) (.cse9 (= ~a25~0 10)) (.cse2 (= ~a25~0 11)) (.cse14 (<= 246 ~a29~0)) (.cse24 (<= 141 ~a29~0)) (.cse31 (<= 115953 ~a29~0)) (.cse11 (<= 130 ~a29~0)) (.cse7 (<= ~a23~0 599997)) (.cse25 (<= 21782 ~a23~0)) (.cse0 (<= (+ ~a23~0 55) 0)) (.cse1 (< 0 (+ .cse32 110635))) (.cse4 (or (< 0 (+ .cse32 110634)) (not (= (mod .cse33 5) 0)))) (.cse19 (<= ~a4~0 0)) (.cse20 (= ~a25~0 13)) (.cse30 (<= 0 (+ ~a23~0 599772))) (.cse10 (<= ~a23~0 247)) (.cse23 (<= ~a29~0 274)) (.cse3 (= ~a3~0 1)) (.cse27 (<= 253 ~a29~0)) (.cse5 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse3 .cse8 (<= 0 (+ ~a29~0 554195)) .cse5 .cse9) (and .cse10 .cse2 .cse8 .cse5 .cse11) (and .cse12 .cse13 .cse3 .cse8 .cse5 .cse14) (and .cse15 .cse10 .cse16 .cse13 .cse3 .cse8 .cse5) (and .cse17 (<= ~a29~0 275) .cse18 .cse3 .cse5 .cse19) (and .cse20 .cse1 .cse7 .cse12 .cse3 .cse4 .cse8 .cse5) (and .cse17 .cse13 .cse3 .cse8 .cse5) (and .cse20 .cse3 .cse21 .cse8 .cse22 .cse5 .cse11) (and .cse18 .cse23 .cse3 .cse5 .cse14 .cse19 .cse11) (and .cse7 .cse24 (or (and .cse18 .cse23 .cse3 .cse25 .cse8 .cse26 .cse5 .cse11) (and .cse2 .cse3 .cse21 .cse8 .cse5) (and .cse18 .cse12 .cse3 .cse21 .cse8 .cse5))) (and .cse20 .cse23 .cse24 .cse3 .cse8 .cse26 .cse5 .cse11) (and .cse18 .cse10 .cse23 .cse3 .cse27 .cse5) (and .cse1 (or (and (<= ~a29~0 140) .cse13 .cse3 .cse8 .cse22 .cse5) (and .cse28 .cse3 .cse22 .cse5)) .cse16 .cse4) (and .cse13 .cse24 .cse3 .cse25 .cse8 .cse5) (and .cse0 .cse1 .cse13 .cse3 .cse4 .cse5 .cse6) (and .cse10 (<= 10250 ~a29~0) .cse3 (<= ~a25~0 9) .cse5) (and (<= ~a23~0 600000) (or (and .cse18 .cse29 .cse15 .cse12 .cse3 .cse8 .cse5) (and .cse2 .cse3 .cse8 .cse5 .cse14 .cse11) (and .cse18 .cse23 .cse3 .cse8 .cse5 .cse14 .cse11))) (and .cse30 (or (and .cse20 .cse10 .cse8 .cse5 .cse6) (and .cse28 .cse10 .cse5) (and .cse18 .cse10 .cse8 .cse5)) .cse3) (and .cse20 .cse17 .cse16 .cse3 .cse8 .cse22 .cse5) (and (not .cse20) .cse29 .cse3 .cse8 .cse5 .cse31) (and .cse20 .cse30 .cse1 .cse7 .cse3 .cse4 .cse8 .cse5 .cse6) (and .cse10 .cse8 .cse5 .cse9) (and .cse2 (< 277 ~a29~0) .cse3 .cse8 .cse5 .cse14 .cse11) (and .cse18 .cse30 .cse10 .cse23 .cse3 .cse5 .cse14) (and .cse0 .cse18 .cse23 .cse24 .cse3 .cse5 .cse19 .cse11) (and .cse3 (or (and .cse20 .cse10 .cse23 .cse8 .cse5 .cse11) (and .cse10 .cse8 .cse5 .cse31) (and .cse18 .cse10 .cse23 .cse8 .cse5 .cse11))) (and (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) .cse18 .cse1 .cse7 .cse3 .cse25 .cse4 .cse8 .cse5 .cse6) (and .cse0 (not (= |ULTIMATE.start_calculate_output_~input#1| 3)) .cse18 .cse30 .cse1 .cse3 .cse4 .cse5 .cse19 .cse6) (and .cse20 .cse30 .cse10 .cse23 .cse3 .cse27 .cse5))))) [2021-12-07 00:05:14,586 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,586 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,586 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,586 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,586 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,586 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,586 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-07 00:05:14,587 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,588 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,589 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-07 00:05:14,590 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-07 00:05:14,591 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,592 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-07 00:05:14,593 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,594 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,595 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-07 00:05:14,596 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-07 00:05:14,599 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:05:14,599 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:05:14,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:05:14 BoogieIcfgContainer [2021-12-07 00:05:14,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:05:14,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:05:14,631 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:05:14,631 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:05:14,631 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:52:34" (3/4) ... [2021-12-07 00:05:14,633 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 00:05:14,652 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-07 00:05:14,654 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-07 00:05:14,655 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-07 00:05:14,657 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 00:05:14,750 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 00:05:14,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:05:14,750 INFO L158 Benchmark]: Toolchain (without parser) took 761848.01ms. Allocated memory was 102.8MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 61.7MB in the beginning and 627.5MB in the end (delta: -565.8MB). Peak memory consumption was 983.6MB. Max. memory is 16.1GB. [2021-12-07 00:05:14,750 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory was 81.2MB in the beginning and 81.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:05:14,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.63ms. Allocated memory is still 102.8MB. Free memory was 61.6MB in the beginning and 46.4MB in the end (delta: 15.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-12-07 00:05:14,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.17ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 46.4MB in the beginning and 89.0MB in the end (delta: -42.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2021-12-07 00:05:14,751 INFO L158 Benchmark]: Boogie Preprocessor took 80.74ms. Allocated memory is still 130.0MB. Free memory was 89.0MB in the beginning and 79.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 00:05:14,751 INFO L158 Benchmark]: RCFGBuilder took 1141.57ms. Allocated memory is still 130.0MB. Free memory was 79.3MB in the beginning and 52.7MB in the end (delta: 26.7MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2021-12-07 00:05:14,751 INFO L158 Benchmark]: TraceAbstraction took 759920.51ms. Allocated memory was 130.0MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 52.0MB in the beginning and 653.5MB in the end (delta: -601.5MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2021-12-07 00:05:14,751 INFO L158 Benchmark]: Witness Printer took 119.09ms. Allocated memory is still 1.7GB. Free memory was 653.5MB in the beginning and 627.5MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-07 00:05:14,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory was 81.2MB in the beginning and 81.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.63ms. Allocated memory is still 102.8MB. Free memory was 61.6MB in the beginning and 46.4MB in the end (delta: 15.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.17ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 46.4MB in the beginning and 89.0MB in the end (delta: -42.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.74ms. Allocated memory is still 130.0MB. Free memory was 89.0MB in the beginning and 79.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1141.57ms. Allocated memory is still 130.0MB. Free memory was 79.3MB in the beginning and 52.7MB in the end (delta: 26.7MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * TraceAbstraction took 759920.51ms. Allocated memory was 130.0MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 52.0MB in the beginning and 653.5MB in the end (delta: -601.5MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 119.09ms. Allocated memory is still 1.7GB. Free memory was 653.5MB in the beginning and 627.5MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 169]: 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: 759.8s, OverallIterations: 32, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 29.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 707.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12353 SdHoareTripleChecker+Valid, 25.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12353 mSDsluCounter, 5709 SdHoareTripleChecker+Invalid, 21.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1086 mSDsCounter, 6326 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33336 IncrementalHoareTripleChecker+Invalid, 39662 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6326 mSolverCounterUnsat, 4623 mSDtfsCounter, 33336 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3871 GetRequests, 3737 SyntacticMatches, 1 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 891 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35614occurred in iteration=20, InterpolantAutomatonStates: 177, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.3s AutomataMinimizationTime, 32 MinimizatonAttempts, 62644 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 243 NumberOfFragments, 2323 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1126020 FormulaSimplificationTreeSizeReduction, 670.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 5445000 FormulaSimplificationTreeSizeReductionInter, 36.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 14284 NumberOfCodeBlocks, 14284 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 15702 ConstructedInterpolants, 0 QuantifiedInterpolants, 66524 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3083 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 40 InterpolantComputations, 29 PerfectInterpolantSequences, 19366/20973 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((a23 + 55 <= 0 && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110635) && a25 == 11) && a3 == 1) && (0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110634 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a8 == 15) && a29 <= 130) || (((((a23 <= 599997 && a3 == 1) && a4 == 1) && 0 <= a29 + 554195) && a8 == 15) && a25 == 10)) || ((((a23 <= 247 && a25 == 11) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((307 <= a23 && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((((245 < a29 && a23 <= 247) && 0 < a23 + 43) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((260 <= a29 && a29 <= 275) && a25 == 12) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((((((a25 == 13 && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110635) && a23 <= 599997) && 307 <= a23) && a3 == 1) && (0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110634 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a4 == 1) && a8 == 15)) || ((((260 <= a29 && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a25 == 13 && a3 == 1) && a29 <= 220) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || ((((((a25 == 12 && a29 <= 274) && a3 == 1) && a8 == 15) && 246 <= a29) && a4 <= 0) && 130 <= a29)) || ((a23 <= 599997 && 141 <= a29) && (((((((((a25 == 12 && a29 <= 274) && a3 == 1) && 21782 <= a23) && a4 == 1) && a29 <= 232) && a8 == 15) && 130 <= a29) || ((((a25 == 11 && a3 == 1) && a29 <= 220) && a4 == 1) && a8 == 15)) || (((((a25 == 12 && 307 <= a23) && a3 == 1) && a29 <= 220) && a4 == 1) && a8 == 15)))) || (((((((a25 == 13 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && a29 <= 232) && a8 == 15) && 130 <= a29)) || (((((a25 == 12 && a23 <= 247) && a29 <= 274) && a3 == 1) && 253 <= a29) && a8 == 15)) || (((0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110635 && ((((((a29 <= 140 && a25 <= 10) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) || ((((((a25 == 12 && a4 == 1) && a29 <= 130) || ((a25 <= 10 && a4 == 1) && a29 <= 130)) && a3 == 1) && a23 <= 312) && a8 == 15))) && 0 < a23 + 43) && (0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110634 || !((a29 * 3 + -554771) / 5 % 5 == 0)))) || (((((a25 <= 10 && 141 <= a29) && a3 == 1) && 21782 <= a23) && a4 == 1) && a8 == 15)) || ((((((a23 + 55 <= 0 && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110635) && a25 <= 10) && a3 == 1) && (0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110634 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a8 == 15) && a29 <= 130)) || ((((a23 <= 247 && 10250 <= a29) && a3 == 1) && a25 <= 9) && a8 == 15)) || (a23 <= 600000 && ((((((((a25 == 12 && ((a29 <= 277 || a23 <= 306) || !(a25 == 12))) && 245 < a29) && 307 <= a23) && a3 == 1) && a4 == 1) && a8 == 15) || (((((a25 == 11 && a3 == 1) && a4 == 1) && a8 == 15) && 246 <= a29) && 130 <= a29)) || ((((((a25 == 12 && a29 <= 274) && a3 == 1) && a4 == 1) && a8 == 15) && 246 <= a29) && 130 <= a29)))) || ((0 <= a23 + 599772 && ((((((a25 == 13 && a23 <= 247) && a4 == 1) && a8 == 15) && a29 <= 130) || (((((a25 == 12 && a4 == 1) && a29 <= 130) || ((a25 <= 10 && a4 == 1) && a29 <= 130)) && a23 <= 247) && a8 == 15)) || (((a25 == 12 && a23 <= 247) && a4 == 1) && a8 == 15))) && a3 == 1)) || ((((((a25 == 13 && 260 <= a29) && 0 < a23 + 43) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((!(a25 == 13) && ((a29 <= 277 || a23 <= 306) || !(a25 == 12))) && a3 == 1) && a4 == 1) && a8 == 15) && 115953 <= a29)) || ((((((((a25 == 13 && 0 <= a23 + 599772) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110635) && a23 <= 599997) && a3 == 1) && (0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110634 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a4 == 1) && a8 == 15) && a29 <= 130)) || (((a23 <= 247 && a4 == 1) && a8 == 15) && a25 == 10)) || ((((((a25 == 11 && 277 < a29) && a3 == 1) && a4 == 1) && a8 == 15) && 246 <= a29) && 130 <= a29)) || ((((((a25 == 12 && 0 <= a23 + 599772) && a23 <= 247) && a29 <= 274) && a3 == 1) && a8 == 15) && 246 <= a29)) || (((((((a23 + 55 <= 0 && a25 == 12) && a29 <= 274) && 141 <= a29) && a3 == 1) && a8 == 15) && a4 <= 0) && 130 <= a29)) || (a3 == 1 && (((((((a25 == 13 && a23 <= 247) && a29 <= 274) && a4 == 1) && a8 == 15) && 130 <= a29) || (((a23 <= 247 && a4 == 1) && a8 == 15) && 115953 <= a29)) || (((((a25 == 12 && a23 <= 247) && a29 <= 274) && a4 == 1) && a8 == 15) && 130 <= a29)))) || (((((((((!(input == 1) && a25 == 12) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110635) && a23 <= 599997) && a3 == 1) && 21782 <= a23) && (0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110634 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a4 == 1) && a8 == 15) && a29 <= 130)) || (((((((((a23 + 55 <= 0 && !(input == 3)) && a25 == 12) && 0 <= a23 + 599772) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110635) && a3 == 1) && (0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110634 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a8 == 15) && a4 <= 0) && a29 <= 130)) || ((((((a25 == 13 && 0 <= a23 + 599772) && a23 <= 247) && a29 <= 274) && a3 == 1) && 253 <= a29) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((a23 + 55 <= 0 && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110635) && a25 == 11) && a3 == 1) && (0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110634 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a8 == 15) && a29 <= 130) || (((((a23 <= 599997 && a3 == 1) && a4 == 1) && 0 <= a29 + 554195) && a8 == 15) && a25 == 10)) || ((((a23 <= 247 && a25 == 11) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((307 <= a23 && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) && 246 <= a29)) || ((((((245 < a29 && a23 <= 247) && 0 < a23 + 43) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((260 <= a29 && a29 <= 275) && a25 == 12) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((((((a25 == 13 && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110635) && a23 <= 599997) && 307 <= a23) && a3 == 1) && (0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110634 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a4 == 1) && a8 == 15)) || ((((260 <= a29 && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a25 == 13 && a3 == 1) && a29 <= 220) && a4 == 1) && a23 <= 312) && a8 == 15) && 130 <= a29)) || ((((((a25 == 12 && a29 <= 274) && a3 == 1) && a8 == 15) && 246 <= a29) && a4 <= 0) && 130 <= a29)) || ((a23 <= 599997 && 141 <= a29) && (((((((((a25 == 12 && a29 <= 274) && a3 == 1) && 21782 <= a23) && a4 == 1) && a29 <= 232) && a8 == 15) && 130 <= a29) || ((((a25 == 11 && a3 == 1) && a29 <= 220) && a4 == 1) && a8 == 15)) || (((((a25 == 12 && 307 <= a23) && a3 == 1) && a29 <= 220) && a4 == 1) && a8 == 15)))) || (((((((a25 == 13 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && a29 <= 232) && a8 == 15) && 130 <= a29)) || (((((a25 == 12 && a23 <= 247) && a29 <= 274) && a3 == 1) && 253 <= a29) && a8 == 15)) || (((0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110635 && ((((((a29 <= 140 && a25 <= 10) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) || ((((((a25 == 12 && a4 == 1) && a29 <= 130) || ((a25 <= 10 && a4 == 1) && a29 <= 130)) && a3 == 1) && a23 <= 312) && a8 == 15))) && 0 < a23 + 43) && (0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110634 || !((a29 * 3 + -554771) / 5 % 5 == 0)))) || (((((a25 <= 10 && 141 <= a29) && a3 == 1) && 21782 <= a23) && a4 == 1) && a8 == 15)) || ((((((a23 + 55 <= 0 && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110635) && a25 <= 10) && a3 == 1) && (0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110634 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a8 == 15) && a29 <= 130)) || ((((a23 <= 247 && 10250 <= a29) && a3 == 1) && a25 <= 9) && a8 == 15)) || (a23 <= 600000 && ((((((((a25 == 12 && ((a29 <= 277 || a23 <= 306) || !(a25 == 12))) && 245 < a29) && 307 <= a23) && a3 == 1) && a4 == 1) && a8 == 15) || (((((a25 == 11 && a3 == 1) && a4 == 1) && a8 == 15) && 246 <= a29) && 130 <= a29)) || ((((((a25 == 12 && a29 <= 274) && a3 == 1) && a4 == 1) && a8 == 15) && 246 <= a29) && 130 <= a29)))) || ((0 <= a23 + 599772 && ((((((a25 == 13 && a23 <= 247) && a4 == 1) && a8 == 15) && a29 <= 130) || (((((a25 == 12 && a4 == 1) && a29 <= 130) || ((a25 <= 10 && a4 == 1) && a29 <= 130)) && a23 <= 247) && a8 == 15)) || (((a25 == 12 && a23 <= 247) && a4 == 1) && a8 == 15))) && a3 == 1)) || ((((((a25 == 13 && 260 <= a29) && 0 < a23 + 43) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((!(a25 == 13) && ((a29 <= 277 || a23 <= 306) || !(a25 == 12))) && a3 == 1) && a4 == 1) && a8 == 15) && 115953 <= a29)) || ((((((((a25 == 13 && 0 <= a23 + 599772) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110635) && a23 <= 599997) && a3 == 1) && (0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110634 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a4 == 1) && a8 == 15) && a29 <= 130)) || (((a23 <= 247 && a4 == 1) && a8 == 15) && a25 == 10)) || ((((((a25 == 11 && 277 < a29) && a3 == 1) && a4 == 1) && a8 == 15) && 246 <= a29) && 130 <= a29)) || ((((((a25 == 12 && 0 <= a23 + 599772) && a23 <= 247) && a29 <= 274) && a3 == 1) && a8 == 15) && 246 <= a29)) || (((((((a23 + 55 <= 0 && a25 == 12) && a29 <= 274) && 141 <= a29) && a3 == 1) && a8 == 15) && a4 <= 0) && 130 <= a29)) || (a3 == 1 && (((((((a25 == 13 && a23 <= 247) && a29 <= 274) && a4 == 1) && a8 == 15) && 130 <= a29) || (((a23 <= 247 && a4 == 1) && a8 == 15) && 115953 <= a29)) || (((((a25 == 12 && a23 <= 247) && a29 <= 274) && a4 == 1) && a8 == 15) && 130 <= a29)))) || (((((((((!(input == 1) && a25 == 12) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110635) && a23 <= 599997) && a3 == 1) && 21782 <= a23) && (0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110634 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a4 == 1) && a8 == 15) && a29 <= 130)) || (((((((((a23 + 55 <= 0 && !(input == 3)) && a25 == 12) && 0 <= a23 + 599772) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110635) && a3 == 1) && (0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110634 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && a8 == 15) && a4 <= 0) && a29 <= 130)) || ((((((a25 == 13 && 0 <= a23 + 599772) && a23 <= 247) && a29 <= 274) && a3 == 1) && 253 <= a29) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-07 00:05:14,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e70418f-8213-4883-924a-872ce9749b7b/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