./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label35.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label35.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y --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 d3e3930727d0c60d79f1b553922b6ffa9dda0949b70cfe091b5b493dd5b1378e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:15:58,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:15:58,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:15:58,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:15:58,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:15:58,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:15:58,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:15:58,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:15:58,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:15:58,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:15:58,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:15:58,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:15:58,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:15:58,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:15:58,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:15:58,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:15:58,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:15:58,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:15:58,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:15:58,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:15:58,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:15:58,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:15:58,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:15:58,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:15:58,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:15:58,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:15:58,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:15:58,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:15:58,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:15:58,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:15:58,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:15:58,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:15:58,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:15:58,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:15:58,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:15:58,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:15:58,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:15:58,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:15:58,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:15:58,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:15:58,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:15:58,167 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 18:15:58,210 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:15:58,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:15:58,212 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:15:58,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:15:58,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:15:58,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:15:58,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:15:58,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:15:58,223 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:15:58,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:15:58,225 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:15:58,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:15:58,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:15:58,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:15:58,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:15:58,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:15:58,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:15:58,227 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:15:58,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:15:58,228 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:15:58,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:15:58,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:15:58,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:15:58,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:15:58,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:15:58,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:15:58,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:15:58,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:15:58,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:15:58,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:15:58,240 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:15:58,240 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:15:58,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:15:58,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:15:58,241 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_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3e3930727d0c60d79f1b553922b6ffa9dda0949b70cfe091b5b493dd5b1378e [2021-11-13 18:15:58,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:15:58,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:15:58,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:15:58,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:15:58,567 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:15:58,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/eca-rers2012/Problem02_label35.c [2021-11-13 18:15:58,636 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y/data/61cdc6ea0/0a3a0b9b402c47a590b70d85b94c0567/FLAGf3a93c1e6 [2021-11-13 18:15:59,277 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:15:59,278 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/sv-benchmarks/c/eca-rers2012/Problem02_label35.c [2021-11-13 18:15:59,295 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y/data/61cdc6ea0/0a3a0b9b402c47a590b70d85b94c0567/FLAGf3a93c1e6 [2021-11-13 18:15:59,516 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y/data/61cdc6ea0/0a3a0b9b402c47a590b70d85b94c0567 [2021-11-13 18:15:59,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:15:59,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:15:59,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:15:59,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:15:59,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:15:59,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:15:59" (1/1) ... [2021-11-13 18:15:59,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4660a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:59, skipping insertion in model container [2021-11-13 18:15:59,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:15:59" (1/1) ... [2021-11-13 18:15:59,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:15:59,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:16:00,029 WARN L228 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_cc2d199d-2368-471e-b0a1-0fd9196450f1/sv-benchmarks/c/eca-rers2012/Problem02_label35.c[16104,16117] [2021-11-13 18:16:00,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:16:00,131 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:16:00,269 WARN L228 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_cc2d199d-2368-471e-b0a1-0fd9196450f1/sv-benchmarks/c/eca-rers2012/Problem02_label35.c[16104,16117] [2021-11-13 18:16:00,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:16:00,321 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:16:00,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:00 WrapperNode [2021-11-13 18:16:00,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:16:00,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:16:00,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:16:00,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:16:00,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:00" (1/1) ... [2021-11-13 18:16:00,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:00" (1/1) ... [2021-11-13 18:16:00,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:16:00,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:16:00,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:16:00,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:16:00,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:00" (1/1) ... [2021-11-13 18:16:00,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:00" (1/1) ... [2021-11-13 18:16:00,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:00" (1/1) ... [2021-11-13 18:16:00,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:00" (1/1) ... [2021-11-13 18:16:00,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:00" (1/1) ... [2021-11-13 18:16:00,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:00" (1/1) ... [2021-11-13 18:16:00,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:00" (1/1) ... [2021-11-13 18:16:00,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:16:00,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:16:00,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:16:00,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:16:00,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:00" (1/1) ... [2021-11-13 18:16:00,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:16:00,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:16:00,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:16:00,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:16:00,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:16:00,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:16:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:16:00,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:16:01,822 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:16:01,823 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 18:16:01,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:16:01 BoogieIcfgContainer [2021-11-13 18:16:01,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:16:01,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:16:01,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:16:01,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:16:01,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:15:59" (1/3) ... [2021-11-13 18:16:01,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13553046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:16:01, skipping insertion in model container [2021-11-13 18:16:01,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:16:00" (2/3) ... [2021-11-13 18:16:01,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13553046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:16:01, skipping insertion in model container [2021-11-13 18:16:01,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:16:01" (3/3) ... [2021-11-13 18:16:01,837 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label35.c [2021-11-13 18:16:01,843 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:16:01,844 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:16:01,902 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:16:01,910 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 [2021-11-13 18:16:01,911 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:16:01,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:01,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-13 18:16:01,976 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:16:01,977 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:16:01,978 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:16:01,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:16:01,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1698227587, now seen corresponding path program 1 times [2021-11-13 18:16:01,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:16:01,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673772244] [2021-11-13 18:16:01,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:16:01,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:16:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:16:02,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:16:02,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:16:02,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673772244] [2021-11-13 18:16:02,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673772244] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:16:02,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:16:02,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:16:02,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481107714] [2021-11-13 18:16:02,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:16:02,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:16:02,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:16:02,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:16:02,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:16:02,611 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 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 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:03,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:16:03,612 INFO L93 Difference]: Finished difference Result 596 states and 1030 transitions. [2021-11-13 18:16:03,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:16:03,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2021-11-13 18:16:03,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:16:03,632 INFO L225 Difference]: With dead ends: 596 [2021-11-13 18:16:03,632 INFO L226 Difference]: Without dead ends: 305 [2021-11-13 18:16:03,638 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 [2021-11-13 18:16:03,642 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 150 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 648.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.62ms SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 828.08ms IncrementalHoareTripleChecker+Time [2021-11-13 18:16:03,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 89 Invalid, 561 Unknown, 0 Unchecked, 33.62ms Time], IncrementalHoareTripleChecker [138 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 828.08ms Time] [2021-11-13 18:16:03,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-13 18:16:03,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2021-11-13 18:16:03,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 304 states have (on average 1.5263157894736843) internal successors, (464), 304 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:03,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2021-11-13 18:16:03,718 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 94 [2021-11-13 18:16:03,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:16:03,720 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2021-11-13 18:16:03,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:03,720 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2021-11-13 18:16:03,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-13 18:16:03,727 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:16:03,727 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-13 18:16:03,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:16:03,728 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:16:03,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:16:03,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1765366969, now seen corresponding path program 1 times [2021-11-13 18:16:03,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:16:03,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221511963] [2021-11-13 18:16:03,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:16:03,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:16:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:16:03,815 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:16:03,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:16:03,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221511963] [2021-11-13 18:16:03,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221511963] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:16:03,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:16:03,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:16:03,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115451213] [2021-11-13 18:16:03,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:16:03,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:16:03,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:16:03,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:16:03,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:16:03,824 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:04,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:16:04,441 INFO L93 Difference]: Finished difference Result 902 states and 1375 transitions. [2021-11-13 18:16:04,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:16:04,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-11-13 18:16:04,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:16:04,448 INFO L225 Difference]: With dead ends: 902 [2021-11-13 18:16:04,448 INFO L226 Difference]: Without dead ends: 599 [2021-11-13 18:16:04,450 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 [2021-11-13 18:16:04,452 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 193 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 450.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.71ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 576.42ms IncrementalHoareTripleChecker+Time [2021-11-13 18:16:04,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 71 Invalid, 440 Unknown, 0 Unchecked, 6.71ms Time], IncrementalHoareTripleChecker [28 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 576.42ms Time] [2021-11-13 18:16:04,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-11-13 18:16:04,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 596. [2021-11-13 18:16:04,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 595 states have (on average 1.477310924369748) internal successors, (879), 595 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:04,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 879 transitions. [2021-11-13 18:16:04,504 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 879 transitions. Word has length 105 [2021-11-13 18:16:04,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:16:04,505 INFO L470 AbstractCegarLoop]: Abstraction has 596 states and 879 transitions. [2021-11-13 18:16:04,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:04,505 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 879 transitions. [2021-11-13 18:16:04,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-13 18:16:04,525 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:16:04,525 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-13 18:16:04,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:16:04,525 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:16:04,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:16:04,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1908568494, now seen corresponding path program 1 times [2021-11-13 18:16:04,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:16:04,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260066204] [2021-11-13 18:16:04,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:16:04,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:16:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:16:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 18:16:04,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:16:04,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260066204] [2021-11-13 18:16:04,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260066204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:16:04,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:16:04,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:16:04,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132732330] [2021-11-13 18:16:04,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:16:04,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:16:04,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:16:04,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:16:04,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:16:04,665 INFO L87 Difference]: Start difference. First operand 596 states and 879 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:04,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:16:04,900 INFO L93 Difference]: Finished difference Result 1040 states and 1541 transitions. [2021-11-13 18:16:04,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:16:04,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2021-11-13 18:16:04,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:16:04,905 INFO L225 Difference]: With dead ends: 1040 [2021-11-13 18:16:04,905 INFO L226 Difference]: Without dead ends: 446 [2021-11-13 18:16:04,906 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 [2021-11-13 18:16:04,907 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 200 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 166.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.20ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 216.61ms IncrementalHoareTripleChecker+Time [2021-11-13 18:16:04,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 23 Invalid, 220 Unknown, 0 Unchecked, 2.20ms Time], IncrementalHoareTripleChecker [22 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 216.61ms Time] [2021-11-13 18:16:04,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2021-11-13 18:16:04,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2021-11-13 18:16:04,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 445 states have (on average 1.4247191011235956) internal successors, (634), 445 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:04,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 634 transitions. [2021-11-13 18:16:04,928 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 634 transitions. Word has length 109 [2021-11-13 18:16:04,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:16:04,929 INFO L470 AbstractCegarLoop]: Abstraction has 446 states and 634 transitions. [2021-11-13 18:16:04,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:04,929 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 634 transitions. [2021-11-13 18:16:04,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-13 18:16:04,934 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:16:04,935 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-13 18:16:04,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:16:04,935 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:16:04,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:16:04,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1537103038, now seen corresponding path program 1 times [2021-11-13 18:16:04,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:16:04,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594820902] [2021-11-13 18:16:04,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:16:04,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:16:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:16:04,990 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:16:04,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:16:04,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594820902] [2021-11-13 18:16:04,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594820902] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:16:04,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:16:04,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:16:04,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723502178] [2021-11-13 18:16:04,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:16:04,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:16:04,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:16:04,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:16:04,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:16:04,993 INFO L87 Difference]: Start difference. First operand 446 states and 634 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:05,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:16:05,441 INFO L93 Difference]: Finished difference Result 1324 states and 1887 transitions. [2021-11-13 18:16:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:16:05,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2021-11-13 18:16:05,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:16:05,446 INFO L225 Difference]: With dead ends: 1324 [2021-11-13 18:16:05,446 INFO L226 Difference]: Without dead ends: 880 [2021-11-13 18:16:05,447 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 [2021-11-13 18:16:05,449 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 146 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 334.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.00ms SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 417.25ms IncrementalHoareTripleChecker+Time [2021-11-13 18:16:05,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 83 Invalid, 388 Unknown, 0 Unchecked, 4.00ms Time], IncrementalHoareTripleChecker [43 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 417.25ms Time] [2021-11-13 18:16:05,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2021-11-13 18:16:05,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 735. [2021-11-13 18:16:05,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 734 states have (on average 1.3814713896457766) internal successors, (1014), 734 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:05,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1014 transitions. [2021-11-13 18:16:05,474 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1014 transitions. Word has length 112 [2021-11-13 18:16:05,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:16:05,474 INFO L470 AbstractCegarLoop]: Abstraction has 735 states and 1014 transitions. [2021-11-13 18:16:05,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:05,475 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1014 transitions. [2021-11-13 18:16:05,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 18:16:05,477 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:16:05,478 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:16:05,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:16:05,478 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:16:05,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:16:05,479 INFO L85 PathProgramCache]: Analyzing trace with hash -853123852, now seen corresponding path program 1 times [2021-11-13 18:16:05,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:16:05,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139587969] [2021-11-13 18:16:05,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:16:05,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:16:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:16:05,530 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:16:05,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:16:05,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139587969] [2021-11-13 18:16:05,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139587969] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:16:05,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:16:05,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:16:05,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424328789] [2021-11-13 18:16:05,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:16:05,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:16:05,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:16:05,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:16:05,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:16:05,533 INFO L87 Difference]: Start difference. First operand 735 states and 1014 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:06,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:16:06,009 INFO L93 Difference]: Finished difference Result 2171 states and 3000 transitions. [2021-11-13 18:16:06,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:16:06,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2021-11-13 18:16:06,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:16:06,019 INFO L225 Difference]: With dead ends: 2171 [2021-11-13 18:16:06,019 INFO L226 Difference]: Without dead ends: 1438 [2021-11-13 18:16:06,024 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 [2021-11-13 18:16:06,035 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 157 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 340.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.61ms SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 426.91ms IncrementalHoareTripleChecker+Time [2021-11-13 18:16:06,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 63 Invalid, 399 Unknown, 0 Unchecked, 4.61ms Time], IncrementalHoareTripleChecker [73 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 426.91ms Time] [2021-11-13 18:16:06,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2021-11-13 18:16:06,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1298. [2021-11-13 18:16:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1298 states, 1297 states have (on average 1.3084040092521203) internal successors, (1697), 1297 states have internal predecessors, (1697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:06,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1697 transitions. [2021-11-13 18:16:06,094 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1697 transitions. Word has length 116 [2021-11-13 18:16:06,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:16:06,095 INFO L470 AbstractCegarLoop]: Abstraction has 1298 states and 1697 transitions. [2021-11-13 18:16:06,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:06,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1697 transitions. [2021-11-13 18:16:06,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-13 18:16:06,100 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:16:06,101 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-13 18:16:06,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:16:06,101 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:16:06,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:16:06,102 INFO L85 PathProgramCache]: Analyzing trace with hash -132108842, now seen corresponding path program 1 times [2021-11-13 18:16:06,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:16:06,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117211216] [2021-11-13 18:16:06,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:16:06,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:16:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:16:06,173 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-13 18:16:06,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:16:06,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117211216] [2021-11-13 18:16:06,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117211216] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:16:06,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:16:06,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:16:06,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583424498] [2021-11-13 18:16:06,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:16:06,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:16:06,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:16:06,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:16:06,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:16:06,176 INFO L87 Difference]: Start difference. First operand 1298 states and 1697 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:06,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:16:06,677 INFO L93 Difference]: Finished difference Result 3571 states and 4655 transitions. [2021-11-13 18:16:06,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:16:06,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 142 [2021-11-13 18:16:06,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:16:06,679 INFO L225 Difference]: With dead ends: 3571 [2021-11-13 18:16:06,679 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 18:16:06,685 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 [2021-11-13 18:16:06,689 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 136 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 346.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.17ms SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 434.50ms IncrementalHoareTripleChecker+Time [2021-11-13 18:16:06,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 72 Invalid, 411 Unknown, 0 Unchecked, 5.17ms Time], IncrementalHoareTripleChecker [68 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 434.50ms Time] [2021-11-13 18:16:06,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 18:16:06,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 18:16:06,696 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) [2021-11-13 18:16:06,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 18:16:06,696 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2021-11-13 18:16:06,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:16:06,697 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:16:06,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:16:06,697 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 18:16:06,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 18:16:06,700 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 18:16:06,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 18:16:06,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 18:16:06,936 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,936 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,938 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,938 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-11-13 18:16:06,938 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-11-13 18:16:06,939 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-11-13 18:16:06,939 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-11-13 18:16:06,939 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-11-13 18:16:06,939 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-11-13 18:16:06,939 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-11-13 18:16:06,939 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-11-13 18:16:06,940 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,940 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,940 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,940 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-11-13 18:16:06,940 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-11-13 18:16:06,941 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-11-13 18:16:06,941 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-11-13 18:16:06,941 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-11-13 18:16:06,942 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,942 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,943 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,943 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-11-13 18:16:06,944 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-11-13 18:16:06,944 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-11-13 18:16:06,944 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-11-13 18:16:06,944 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-11-13 18:16:06,945 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-11-13 18:16:06,945 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-11-13 18:16:06,945 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-11-13 18:16:06,946 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-11-13 18:16:06,946 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-11-13 18:16:06,946 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,946 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,947 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,947 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-11-13 18:16:06,947 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-11-13 18:16:06,947 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-11-13 18:16:06,947 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-11-13 18:16:06,948 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-11-13 18:16:06,948 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-11-13 18:16:06,948 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-11-13 18:16:06,948 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,948 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,948 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,949 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-11-13 18:16:06,949 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-11-13 18:16:06,949 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-11-13 18:16:06,949 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-11-13 18:16:06,949 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-11-13 18:16:06,950 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-11-13 18:16:06,950 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-11-13 18:16:06,950 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,950 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,950 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,951 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-11-13 18:16:06,951 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-11-13 18:16:06,951 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-11-13 18:16:06,951 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-11-13 18:16:06,951 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-11-13 18:16:06,952 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,952 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,967 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,967 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-11-13 18:16:06,968 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-11-13 18:16:06,968 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-11-13 18:16:06,968 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-11-13 18:16:06,968 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-11-13 18:16:06,969 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-11-13 18:16:06,969 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-11-13 18:16:06,969 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-11-13 18:16:06,969 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,969 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,970 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,970 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-11-13 18:16:06,970 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 18:16:06,970 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-11-13 18:16:06,970 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-11-13 18:16:06,971 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-11-13 18:16:06,971 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-11-13 18:16:06,971 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-11-13 18:16:06,971 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-11-13 18:16:06,971 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-11-13 18:16:06,972 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,972 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,972 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,972 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-11-13 18:16:06,973 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-11-13 18:16:06,973 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-11-13 18:16:06,973 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-11-13 18:16:06,973 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-11-13 18:16:06,973 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-11-13 18:16:06,974 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-11-13 18:16:06,974 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-11-13 18:16:06,974 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-11-13 18:16:06,974 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,975 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,975 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,975 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-11-13 18:16:06,975 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-11-13 18:16:06,975 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-11-13 18:16:06,975 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-11-13 18:16:06,975 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-11-13 18:16:06,976 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-11-13 18:16:06,976 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 18:16:06,976 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 464) no Hoare annotation was computed. [2021-11-13 18:16:06,977 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,977 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,977 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,977 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-11-13 18:16:06,977 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-11-13 18:16:06,978 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-11-13 18:16:06,978 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-11-13 18:16:06,978 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-11-13 18:16:06,978 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-11-13 18:16:06,978 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-11-13 18:16:06,979 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-11-13 18:16:06,979 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,979 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,979 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,979 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-11-13 18:16:06,980 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-11-13 18:16:06,980 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-11-13 18:16:06,980 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-11-13 18:16:06,980 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-11-13 18:16:06,981 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,981 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,981 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,981 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-11-13 18:16:06,981 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-11-13 18:16:06,982 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-11-13 18:16:06,982 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-11-13 18:16:06,982 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-11-13 18:16:06,982 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-11-13 18:16:06,982 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-11-13 18:16:06,983 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-11-13 18:16:06,983 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-11-13 18:16:06,983 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-11-13 18:16:06,983 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-11-13 18:16:06,983 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,984 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,984 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-11-13 18:16:06,984 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-11-13 18:16:06,984 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-11-13 18:16:06,984 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-11-13 18:16:06,985 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-11-13 18:16:06,985 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-11-13 18:16:06,985 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-11-13 18:16:06,985 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-11-13 18:16:06,985 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-11-13 18:16:06,986 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (and .cse0 (= ~a19~0 1)) (and .cse0 (<= ~a25~0 0)) (and (<= 8 ~a17~0) .cse0) (and (<= ~a28~0 9) .cse0))) [2021-11-13 18:16:06,986 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,986 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,987 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-11-13 18:16:06,987 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-11-13 18:16:06,987 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-11-13 18:16:06,987 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-11-13 18:16:06,987 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-11-13 18:16:06,988 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-11-13 18:16:06,988 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-11-13 18:16:06,988 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,988 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,989 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-11-13 18:16:06,989 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-11-13 18:16:06,989 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-11-13 18:16:06,989 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-11-13 18:16:06,989 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-11-13 18:16:06,990 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-11-13 18:16:06,990 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-11-13 18:16:06,990 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-11-13 18:16:06,990 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-11-13 18:16:06,990 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,991 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,991 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-11-13 18:16:06,991 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-11-13 18:16:06,991 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-11-13 18:16:06,991 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-11-13 18:16:06,991 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 18:16:06,992 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-11-13 18:16:06,992 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-11-13 18:16:06,992 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (and .cse0 (= ~a19~0 1)) (and .cse0 (<= ~a25~0 0)) (and (<= 8 ~a17~0) .cse0) (and (<= ~a28~0 9) .cse0))) [2021-11-13 18:16:06,992 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,993 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,993 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-11-13 18:16:06,993 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-11-13 18:16:06,993 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-11-13 18:16:06,993 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-11-13 18:16:06,994 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-11-13 18:16:06,994 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,994 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,994 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-11-13 18:16:06,994 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-11-13 18:16:06,995 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-11-13 18:16:06,995 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-11-13 18:16:06,995 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-11-13 18:16:06,995 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-11-13 18:16:06,995 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-11-13 18:16:06,996 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-11-13 18:16:06,996 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-11-13 18:16:06,996 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,996 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,996 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-11-13 18:16:06,997 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,997 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 18:16:06,997 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-11-13 18:16:06,997 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-11-13 18:16:06,997 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-11-13 18:16:06,998 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-11-13 18:16:06,998 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-11-13 18:16:06,998 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-11-13 18:16:06,998 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,998 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,999 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:06,999 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-11-13 18:16:06,999 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-11-13 18:16:06,999 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-11-13 18:16:06,999 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-11-13 18:16:07,000 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-11-13 18:16:07,000 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:07,000 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:07,000 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-11-13 18:16:07,000 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-11-13 18:16:07,001 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-11-13 18:16:07,001 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-11-13 18:16:07,001 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-11-13 18:16:07,001 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-11-13 18:16:07,001 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-11-13 18:16:07,005 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-13 18:16:07,007 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:16:07,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:16:07 BoogieIcfgContainer [2021-11-13 18:16:07,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 18:16:07,026 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:16:07,026 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:16:07,027 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:16:07,027 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:16:01" (3/4) ... [2021-11-13 18:16:07,031 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 18:16:07,056 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-13 18:16:07,057 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 18:16:07,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 18:16:07,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 18:16:07,205 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 18:16:07,205 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:16:07,206 INFO L158 Benchmark]: Toolchain (without parser) took 7675.85ms. Allocated memory was 96.5MB in the beginning and 159.4MB in the end (delta: 62.9MB). Free memory was 70.2MB in the beginning and 107.9MB in the end (delta: -37.6MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-11-13 18:16:07,207 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 79.7MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:16:07,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 790.09ms. Allocated memory is still 96.5MB. Free memory was 70.0MB in the beginning and 54.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-13 18:16:07,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.24ms. Allocated memory is still 96.5MB. Free memory was 54.0MB in the beginning and 72.2MB in the end (delta: -18.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-11-13 18:16:07,208 INFO L158 Benchmark]: Boogie Preprocessor took 93.64ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 68.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:16:07,209 INFO L158 Benchmark]: RCFGBuilder took 1280.88ms. Allocated memory is still 96.5MB. Free memory was 68.0MB in the beginning and 45.4MB in the end (delta: 22.6MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2021-11-13 18:16:07,209 INFO L158 Benchmark]: TraceAbstraction took 5197.47ms. Allocated memory was 96.5MB in the beginning and 159.4MB in the end (delta: 62.9MB). Free memory was 44.9MB in the beginning and 121.6MB in the end (delta: -76.7MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2021-11-13 18:16:07,210 INFO L158 Benchmark]: Witness Printer took 179.08ms. Allocated memory is still 159.4MB. Free memory was 121.6MB in the beginning and 107.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 18:16:07,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 79.7MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 790.09ms. Allocated memory is still 96.5MB. Free memory was 70.0MB in the beginning and 54.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.24ms. Allocated memory is still 96.5MB. Free memory was 54.0MB in the beginning and 72.2MB in the end (delta: -18.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.64ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 68.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1280.88ms. Allocated memory is still 96.5MB. Free memory was 68.0MB in the beginning and 45.4MB in the end (delta: 22.6MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5197.47ms. Allocated memory was 96.5MB in the beginning and 159.4MB in the end (delta: 62.9MB). Free memory was 44.9MB in the beginning and 121.6MB in the end (delta: -76.7MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Witness Printer took 179.08ms. Allocated memory is still 159.4MB. Free memory was 121.6MB in the beginning and 107.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 464]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 982 SdHoareTripleChecker+Valid, 2899.77ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 982 mSDsluCounter, 401 SdHoareTripleChecker+Invalid, 2285.96ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 372 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2047 IncrementalHoareTripleChecker+Invalid, 2419 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 372 mSolverCounterUnsat, 326 mSDtfsCounter, 2047 mSolverCounterSat, 56.32ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1298occurred in iteration=5, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 288 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 59 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 448 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 678 NumberOfCodeBlocks, 678 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 672 ConstructedInterpolants, 0 QuantifiedInterpolants, 1024 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 136/136 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: 616]: Loop Invariant Derived loop invariant: (((a17 <= 8 && a19 == 1) || (a17 <= 8 && a25 <= 0)) || (8 <= a17 && a17 <= 8)) || (a28 <= 9 && a17 <= 8) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((a17 <= 8 && a19 == 1) || (a17 <= 8 && a25 <= 0)) || (8 <= a17 && a17 <= 8)) || (a28 <= 9 && a17 <= 8) RESULT: Ultimate proved your program to be correct! [2021-11-13 18:16:07,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d199d-2368-471e-b0a1-0fd9196450f1/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE