./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label47.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label47.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0 --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 d039f2d5fa21e99f5f2905e39d510c085a3c5debd52474b0e6ee96280e8d56ea --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:31:47,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:31:47,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:31:47,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:31:47,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:31:47,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:31:47,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:31:47,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:31:47,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:31:47,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:31:47,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:31:47,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:31:47,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:31:47,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:31:47,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:31:47,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:31:47,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:31:47,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:31:47,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:31:47,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:31:47,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:31:47,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:31:47,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:31:47,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:31:47,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:31:47,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:31:47,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:31:47,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:31:47,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:31:47,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:31:47,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:31:47,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:31:47,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:31:47,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:31:47,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:31:47,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:31:47,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:31:47,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:31:47,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:31:47,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:31:47,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:31:47,358 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 15:31:47,401 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:31:47,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:31:47,402 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:31:47,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:31:47,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:31:47,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:31:47,410 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:31:47,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:31:47,411 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:31:47,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:31:47,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:31:47,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:31:47,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:31:47,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:31:47,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:31:47,413 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:31:47,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:31:47,414 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:31:47,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:31:47,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:31:47,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:31:47,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:31:47,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:31:47,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:31:47,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:31:47,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:31:47,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:31:47,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:31:47,417 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:31:47,418 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:31:47,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:31:47,419 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:31:47,419 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_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d039f2d5fa21e99f5f2905e39d510c085a3c5debd52474b0e6ee96280e8d56ea [2021-11-22 15:31:47,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:31:47,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:31:47,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:31:47,777 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:31:47,778 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:31:47,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/eca-rers2012/Problem11_label47.c [2021-11-22 15:31:47,894 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0/data/f9132e281/467c7ca248e74263a69117383197e728/FLAGcfba51421 [2021-11-22 15:31:48,527 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:31:48,527 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/sv-benchmarks/c/eca-rers2012/Problem11_label47.c [2021-11-22 15:31:48,548 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0/data/f9132e281/467c7ca248e74263a69117383197e728/FLAGcfba51421 [2021-11-22 15:31:48,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0/data/f9132e281/467c7ca248e74263a69117383197e728 [2021-11-22 15:31:48,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:31:48,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:31:48,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:31:48,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:31:48,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:31:48,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:31:48" (1/1) ... [2021-11-22 15:31:48,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc4f4dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:48, skipping insertion in model container [2021-11-22 15:31:48,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:31:48" (1/1) ... [2021-11-22 15:31:48,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:31:48,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:31:49,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/sv-benchmarks/c/eca-rers2012/Problem11_label47.c[5129,5142] [2021-11-22 15:31:49,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:31:49,399 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:31:49,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/sv-benchmarks/c/eca-rers2012/Problem11_label47.c[5129,5142] [2021-11-22 15:31:49,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:31:49,683 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:31:49,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:49 WrapperNode [2021-11-22 15:31:49,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:31:49,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:31:49,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:31:49,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:31:49,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:49" (1/1) ... [2021-11-22 15:31:49,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:49" (1/1) ... [2021-11-22 15:31:49,839 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-11-22 15:31:49,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:31:49,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:31:49,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:31:49,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:31:49,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:49" (1/1) ... [2021-11-22 15:31:49,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:49" (1/1) ... [2021-11-22 15:31:49,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:49" (1/1) ... [2021-11-22 15:31:49,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:49" (1/1) ... [2021-11-22 15:31:49,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:49" (1/1) ... [2021-11-22 15:31:49,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:49" (1/1) ... [2021-11-22 15:31:50,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:49" (1/1) ... [2021-11-22 15:31:50,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:31:50,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:31:50,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:31:50,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:31:50,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:49" (1/1) ... [2021-11-22 15:31:50,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:31:50,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:31:50,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:31:50,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:31:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:31:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:31:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:31:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:31:50,188 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:31:50,190 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:31:51,913 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:31:51,931 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:31:51,931 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 15:31:51,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:31:51 BoogieIcfgContainer [2021-11-22 15:31:51,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:31:51,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:31:51,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:31:51,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:31:51,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:31:48" (1/3) ... [2021-11-22 15:31:51,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331d7c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:31:51, skipping insertion in model container [2021-11-22 15:31:51,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:31:49" (2/3) ... [2021-11-22 15:31:51,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331d7c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:31:51, skipping insertion in model container [2021-11-22 15:31:51,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:31:51" (3/3) ... [2021-11-22 15:31:51,945 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label47.c [2021-11-22 15:31:51,953 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:31:51,954 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 15:31:52,028 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:31:52,035 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 [2021-11-22 15:31:52,036 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-22 15:31:52,063 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:52,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 15:31:52,082 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:31:52,083 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] [2021-11-22 15:31:52,084 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:31:52,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:31:52,090 INFO L85 PathProgramCache]: Analyzing trace with hash -596708735, now seen corresponding path program 1 times [2021-11-22 15:31:52,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:31:52,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512975688] [2021-11-22 15:31:52,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:31:52,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:31:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:31:52,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:31:52,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:31:52,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512975688] [2021-11-22 15:31:52,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512975688] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:31:52,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:31:52,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:31:52,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618672185] [2021-11-22 15:31:52,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:31:52,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:31:52,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:31:52,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:31:52,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:31:52,381 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:53,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:31:53,582 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-11-22 15:31:53,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:31:53,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2021-11-22 15:31:53,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:31:53,607 INFO L225 Difference]: With dead ends: 776 [2021-11-22 15:31:53,607 INFO L226 Difference]: Without dead ends: 413 [2021-11-22 15:31:53,616 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 [2021-11-22 15:31:53,622 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 192 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:31:53,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 15:31:53,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-11-22 15:31:53,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-11-22 15:31:53,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:53,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-11-22 15:31:53,714 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 35 [2021-11-22 15:31:53,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:31:53,714 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-11-22 15:31:53,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-11-22 15:31:53,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 15:31:53,723 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:31:53,723 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:31:53,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:31:53,724 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:31:53,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:31:53,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1354901288, now seen corresponding path program 1 times [2021-11-22 15:31:53,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:31:53,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528026149] [2021-11-22 15:31:53,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:31:53,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:31:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:31:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:31:53,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:31:53,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528026149] [2021-11-22 15:31:53,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528026149] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:31:53,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:31:53,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:31:53,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217399660] [2021-11-22 15:31:53,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:31:53,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:31:53,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:31:53,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:31:53,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:31:53,911 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:54,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:31:54,981 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-11-22 15:31:54,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:31:54,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2021-11-22 15:31:54,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:31:54,987 INFO L225 Difference]: With dead ends: 1209 [2021-11-22 15:31:54,988 INFO L226 Difference]: Without dead ends: 800 [2021-11-22 15:31:54,989 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 [2021-11-22 15:31:54,991 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:31:54,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 122 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-22 15:31:54,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-11-22 15:31:55,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-11-22 15:31:55,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3842239185750635) internal successors, (1088), 786 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:55,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1088 transitions. [2021-11-22 15:31:55,018 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1088 transitions. Word has length 103 [2021-11-22 15:31:55,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:31:55,018 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1088 transitions. [2021-11-22 15:31:55,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:55,019 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1088 transitions. [2021-11-22 15:31:55,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 15:31:55,022 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:31:55,022 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:31:55,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:31:55,023 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:31:55,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:31:55,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1556935149, now seen corresponding path program 1 times [2021-11-22 15:31:55,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:31:55,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825473902] [2021-11-22 15:31:55,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:31:55,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:31:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:31:55,164 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:31:55,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:31:55,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825473902] [2021-11-22 15:31:55,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825473902] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:31:55,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:31:55,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:31:55,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806851602] [2021-11-22 15:31:55,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:31:55,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:31:55,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:31:55,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:31:55,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:31:55,171 INFO L87 Difference]: Start difference. First operand 787 states and 1088 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) [2021-11-22 15:31:55,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:31:55,977 INFO L93 Difference]: Finished difference Result 1942 states and 2629 transitions. [2021-11-22 15:31:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:31:55,977 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 [2021-11-22 15:31:55,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:31:55,985 INFO L225 Difference]: With dead ends: 1942 [2021-11-22 15:31:55,985 INFO L226 Difference]: Without dead ends: 1157 [2021-11-22 15:31:55,987 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 [2021-11-22 15:31:55,988 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:31:55,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 15:31:55,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-11-22 15:31:56,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2021-11-22 15:31:56,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277056277056277) internal successors, (1475), 1155 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:56,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1475 transitions. [2021-11-22 15:31:56,029 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1475 transitions. Word has length 105 [2021-11-22 15:31:56,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:31:56,030 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1475 transitions. [2021-11-22 15:31:56,031 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) [2021-11-22 15:31:56,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1475 transitions. [2021-11-22 15:31:56,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 15:31:56,034 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:31:56,034 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:31:56,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 15:31:56,035 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:31:56,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:31:56,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1368272740, now seen corresponding path program 1 times [2021-11-22 15:31:56,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:31:56,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375870593] [2021-11-22 15:31:56,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:31:56,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:31:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:31:56,171 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-22 15:31:56,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:31:56,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375870593] [2021-11-22 15:31:56,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375870593] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:31:56,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:31:56,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:31:56,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250362095] [2021-11-22 15:31:56,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:31:56,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:31:56,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:31:56,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:31:56,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:31:56,175 INFO L87 Difference]: Start difference. First operand 1156 states and 1475 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) [2021-11-22 15:31:57,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:31:57,082 INFO L93 Difference]: Finished difference Result 2502 states and 3336 transitions. [2021-11-22 15:31:57,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:31:57,083 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 147 [2021-11-22 15:31:57,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:31:57,092 INFO L225 Difference]: With dead ends: 2502 [2021-11-22 15:31:57,092 INFO L226 Difference]: Without dead ends: 1532 [2021-11-22 15:31:57,094 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 [2021-11-22 15:31:57,095 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 108 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-22 15:31:57,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 156 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-22 15:31:57,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2021-11-22 15:31:57,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2021-11-22 15:31:57,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.2612671456564337) internal successors, (1931), 1531 states have internal predecessors, (1931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:57,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1931 transitions. [2021-11-22 15:31:57,137 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1931 transitions. Word has length 147 [2021-11-22 15:31:57,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:31:57,137 INFO L470 AbstractCegarLoop]: Abstraction has 1532 states and 1931 transitions. [2021-11-22 15:31:57,138 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) [2021-11-22 15:31:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1931 transitions. [2021-11-22 15:31:57,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-22 15:31:57,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:31:57,141 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:31:57,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 15:31:57,142 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:31:57,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:31:57,143 INFO L85 PathProgramCache]: Analyzing trace with hash 162112077, now seen corresponding path program 1 times [2021-11-22 15:31:57,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:31:57,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833420659] [2021-11-22 15:31:57,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:31:57,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:31:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:31:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:31:57,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:31:57,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833420659] [2021-11-22 15:31:57,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833420659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:31:57,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:31:57,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:31:57,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312471094] [2021-11-22 15:31:57,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:31:57,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:31:57,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:31:57,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:31:57,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:31:57,273 INFO L87 Difference]: Start difference. First operand 1532 states and 1931 transitions. Second operand has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:58,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:31:58,717 INFO L93 Difference]: Finished difference Result 4931 states and 6392 transitions. [2021-11-22 15:31:58,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:31:58,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 162 [2021-11-22 15:31:58,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:31:58,738 INFO L225 Difference]: With dead ends: 4931 [2021-11-22 15:31:58,738 INFO L226 Difference]: Without dead ends: 3585 [2021-11-22 15:31:58,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:31:58,742 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 359 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-22 15:31:58,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 87 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-22 15:31:58,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3585 states. [2021-11-22 15:31:58,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3585 to 3584. [2021-11-22 15:31:58,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3584 states, 3583 states have (on average 1.2539771141501534) internal successors, (4493), 3583 states have internal predecessors, (4493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:58,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3584 states and 4493 transitions. [2021-11-22 15:31:58,828 INFO L78 Accepts]: Start accepts. Automaton has 3584 states and 4493 transitions. Word has length 162 [2021-11-22 15:31:58,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:31:58,829 INFO L470 AbstractCegarLoop]: Abstraction has 3584 states and 4493 transitions. [2021-11-22 15:31:58,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:31:58,830 INFO L276 IsEmpty]: Start isEmpty. Operand 3584 states and 4493 transitions. [2021-11-22 15:31:58,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-22 15:31:58,834 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:31:58,834 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:31:58,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 15:31:58,835 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:31:58,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:31:58,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1953439888, now seen corresponding path program 1 times [2021-11-22 15:31:58,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:31:58,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813221402] [2021-11-22 15:31:58,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:31:58,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:31:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:31:58,964 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-22 15:31:58,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:31:58,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813221402] [2021-11-22 15:31:58,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813221402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:31:58,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:31:58,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:31:58,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142066736] [2021-11-22 15:31:58,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:31:58,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:31:58,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:31:58,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:31:58,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:31:58,968 INFO L87 Difference]: Start difference. First operand 3584 states and 4493 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:00,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:00,154 INFO L93 Difference]: Finished difference Result 8098 states and 10366 transitions. [2021-11-22 15:32:00,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:00,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2021-11-22 15:32:00,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:00,183 INFO L225 Difference]: With dead ends: 8098 [2021-11-22 15:32:00,183 INFO L226 Difference]: Without dead ends: 4884 [2021-11-22 15:32:00,187 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 [2021-11-22 15:32:00,189 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 162 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:00,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 393 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 15:32:00,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4884 states. [2021-11-22 15:32:00,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4884 to 4873. [2021-11-22 15:32:00,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4873 states, 4872 states have (on average 1.2261904761904763) internal successors, (5974), 4872 states have internal predecessors, (5974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:00,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4873 states to 4873 states and 5974 transitions. [2021-11-22 15:32:00,301 INFO L78 Accepts]: Start accepts. Automaton has 4873 states and 5974 transitions. Word has length 217 [2021-11-22 15:32:00,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:00,302 INFO L470 AbstractCegarLoop]: Abstraction has 4873 states and 5974 transitions. [2021-11-22 15:32:00,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:00,302 INFO L276 IsEmpty]: Start isEmpty. Operand 4873 states and 5974 transitions. [2021-11-22 15:32:00,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-22 15:32:00,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:00,307 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:00,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 15:32:00,307 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:00,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:00,308 INFO L85 PathProgramCache]: Analyzing trace with hash -483839329, now seen corresponding path program 1 times [2021-11-22 15:32:00,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:00,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269883876] [2021-11-22 15:32:00,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:00,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:00,424 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-22 15:32:00,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:00,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269883876] [2021-11-22 15:32:00,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269883876] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:00,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:00,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:00,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458879081] [2021-11-22 15:32:00,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:00,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:00,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:00,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:00,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:00,427 INFO L87 Difference]: Start difference. First operand 4873 states and 5974 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:01,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:01,510 INFO L93 Difference]: Finished difference Result 11041 states and 13752 transitions. [2021-11-22 15:32:01,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:01,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 223 [2021-11-22 15:32:01,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:01,545 INFO L225 Difference]: With dead ends: 11041 [2021-11-22 15:32:01,545 INFO L226 Difference]: Without dead ends: 6354 [2021-11-22 15:32:01,552 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 [2021-11-22 15:32:01,554 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 161 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:01,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 391 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-22 15:32:01,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6354 states. [2021-11-22 15:32:01,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6354 to 6345. [2021-11-22 15:32:01,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6345 states, 6344 states have (on average 1.2102774274905423) internal successors, (7678), 6344 states have internal predecessors, (7678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:01,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6345 states to 6345 states and 7678 transitions. [2021-11-22 15:32:01,725 INFO L78 Accepts]: Start accepts. Automaton has 6345 states and 7678 transitions. Word has length 223 [2021-11-22 15:32:01,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:01,726 INFO L470 AbstractCegarLoop]: Abstraction has 6345 states and 7678 transitions. [2021-11-22 15:32:01,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:01,727 INFO L276 IsEmpty]: Start isEmpty. Operand 6345 states and 7678 transitions. [2021-11-22 15:32:01,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-22 15:32:01,734 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:01,735 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:01,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 15:32:01,735 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:01,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:01,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1501095785, now seen corresponding path program 1 times [2021-11-22 15:32:01,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:01,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344438757] [2021-11-22 15:32:01,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:01,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:02,114 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:02,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:02,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344438757] [2021-11-22 15:32:02,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344438757] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:02,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:02,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:32:02,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251961637] [2021-11-22 15:32:02,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:02,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:32:02,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:02,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:32:02,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:32:02,118 INFO L87 Difference]: Start difference. First operand 6345 states and 7678 transitions. Second operand has 6 states, 6 states have (on average 46.0) internal successors, (276), 5 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:04,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:04,178 INFO L93 Difference]: Finished difference Result 13348 states and 16140 transitions. [2021-11-22 15:32:04,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 15:32:04,179 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 46.0) internal successors, (276), 5 states have internal predecessors, (276), 0 states have call successors, (0), 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 276 [2021-11-22 15:32:04,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:04,214 INFO L225 Difference]: With dead ends: 13348 [2021-11-22 15:32:04,214 INFO L226 Difference]: Without dead ends: 7373 [2021-11-22 15:32:04,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-22 15:32:04,222 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 612 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1622 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 1865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 1622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:04,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [612 Valid, 172 Invalid, 1865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 1622 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-22 15:32:04,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7373 states. [2021-11-22 15:32:04,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7373 to 7266. [2021-11-22 15:32:04,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7266 states, 7265 states have (on average 1.1940812112869925) internal successors, (8675), 7265 states have internal predecessors, (8675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:04,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7266 states to 7266 states and 8675 transitions. [2021-11-22 15:32:04,379 INFO L78 Accepts]: Start accepts. Automaton has 7266 states and 8675 transitions. Word has length 276 [2021-11-22 15:32:04,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:04,380 INFO L470 AbstractCegarLoop]: Abstraction has 7266 states and 8675 transitions. [2021-11-22 15:32:04,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.0) internal successors, (276), 5 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 7266 states and 8675 transitions. [2021-11-22 15:32:04,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-22 15:32:04,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:04,389 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:04,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 15:32:04,389 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:04,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:04,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1369513305, now seen corresponding path program 1 times [2021-11-22 15:32:04,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:04,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487831799] [2021-11-22 15:32:04,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:04,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-22 15:32:04,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:04,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487831799] [2021-11-22 15:32:04,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487831799] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:04,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:04,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:04,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873249707] [2021-11-22 15:32:04,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:04,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:04,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:04,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:04,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:04,550 INFO L87 Difference]: Start difference. First operand 7266 states and 8675 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:05,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:05,515 INFO L93 Difference]: Finished difference Result 15629 states and 19055 transitions. [2021-11-22 15:32:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:05,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 281 [2021-11-22 15:32:05,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:05,555 INFO L225 Difference]: With dead ends: 15629 [2021-11-22 15:32:05,555 INFO L226 Difference]: Without dead ends: 9472 [2021-11-22 15:32:05,563 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 [2021-11-22 15:32:05,564 INFO L933 BasicCegarLoop]: 304 mSDtfsCounter, 192 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:05,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 324 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-22 15:32:05,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9472 states. [2021-11-22 15:32:05,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9472 to 9103. [2021-11-22 15:32:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9103 states, 9102 states have (on average 1.1999560536145901) internal successors, (10922), 9102 states have internal predecessors, (10922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:05,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9103 states to 9103 states and 10922 transitions. [2021-11-22 15:32:05,806 INFO L78 Accepts]: Start accepts. Automaton has 9103 states and 10922 transitions. Word has length 281 [2021-11-22 15:32:05,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:05,807 INFO L470 AbstractCegarLoop]: Abstraction has 9103 states and 10922 transitions. [2021-11-22 15:32:05,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:05,808 INFO L276 IsEmpty]: Start isEmpty. Operand 9103 states and 10922 transitions. [2021-11-22 15:32:05,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-22 15:32:05,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:05,820 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:05,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 15:32:05,820 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:05,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:05,821 INFO L85 PathProgramCache]: Analyzing trace with hash -30382884, now seen corresponding path program 1 times [2021-11-22 15:32:05,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:05,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807480807] [2021-11-22 15:32:05,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:05,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:05,981 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-11-22 15:32:05,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:05,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807480807] [2021-11-22 15:32:05,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807480807] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:05,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:05,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:05,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034965484] [2021-11-22 15:32:05,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:05,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:05,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:05,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:05,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:05,984 INFO L87 Difference]: Start difference. First operand 9103 states and 10922 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:06,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:06,976 INFO L93 Difference]: Finished difference Result 18752 states and 22847 transitions. [2021-11-22 15:32:06,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:06,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 300 [2021-11-22 15:32:06,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:06,998 INFO L225 Difference]: With dead ends: 18752 [2021-11-22 15:32:06,998 INFO L226 Difference]: Without dead ends: 10758 [2021-11-22 15:32:07,006 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 [2021-11-22 15:32:07,007 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 189 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:07,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 148 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-22 15:32:07,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10758 states. [2021-11-22 15:32:07,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10758 to 9832. [2021-11-22 15:32:07,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9832 states, 9831 states have (on average 1.1803478791577662) internal successors, (11604), 9831 states have internal predecessors, (11604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:07,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9832 states to 9832 states and 11604 transitions. [2021-11-22 15:32:07,173 INFO L78 Accepts]: Start accepts. Automaton has 9832 states and 11604 transitions. Word has length 300 [2021-11-22 15:32:07,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:07,174 INFO L470 AbstractCegarLoop]: Abstraction has 9832 states and 11604 transitions. [2021-11-22 15:32:07,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:07,175 INFO L276 IsEmpty]: Start isEmpty. Operand 9832 states and 11604 transitions. [2021-11-22 15:32:07,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-22 15:32:07,189 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:07,189 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:07,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 15:32:07,190 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:07,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:07,191 INFO L85 PathProgramCache]: Analyzing trace with hash 147510905, now seen corresponding path program 1 times [2021-11-22 15:32:07,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:07,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091410844] [2021-11-22 15:32:07,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:07,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:07,410 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:32:07,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:07,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091410844] [2021-11-22 15:32:07,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091410844] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:07,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:07,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:32:07,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361923411] [2021-11-22 15:32:07,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:07,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:32:07,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:07,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:32:07,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:07,443 INFO L87 Difference]: Start difference. First operand 9832 states and 11604 transitions. Second operand has 4 states, 4 states have (on average 85.0) internal successors, (340), 4 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:09,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:09,010 INFO L93 Difference]: Finished difference Result 23914 states and 28684 transitions. [2021-11-22 15:32:09,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:32:09,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 85.0) internal successors, (340), 4 states have internal predecessors, (340), 0 states have call successors, (0), 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 340 [2021-11-22 15:32:09,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:09,040 INFO L225 Difference]: With dead ends: 23914 [2021-11-22 15:32:09,040 INFO L226 Difference]: Without dead ends: 15191 [2021-11-22 15:32:09,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:09,052 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 255 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:09,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 68 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-22 15:32:09,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15191 states. [2021-11-22 15:32:09,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15191 to 13516. [2021-11-22 15:32:09,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13516 states, 13515 states have (on average 1.1859415464298928) internal successors, (16028), 13515 states have internal predecessors, (16028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:09,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13516 states to 13516 states and 16028 transitions. [2021-11-22 15:32:09,357 INFO L78 Accepts]: Start accepts. Automaton has 13516 states and 16028 transitions. Word has length 340 [2021-11-22 15:32:09,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:09,358 INFO L470 AbstractCegarLoop]: Abstraction has 13516 states and 16028 transitions. [2021-11-22 15:32:09,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 85.0) internal successors, (340), 4 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:09,358 INFO L276 IsEmpty]: Start isEmpty. Operand 13516 states and 16028 transitions. [2021-11-22 15:32:09,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2021-11-22 15:32:09,386 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:09,386 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:09,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 15:32:09,387 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:09,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:09,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1732339891, now seen corresponding path program 1 times [2021-11-22 15:32:09,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:09,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407390138] [2021-11-22 15:32:09,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:09,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:09,678 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-11-22 15:32:09,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:09,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407390138] [2021-11-22 15:32:09,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407390138] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:09,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:09,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:32:09,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002501687] [2021-11-22 15:32:09,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:09,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:32:09,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:09,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:32:09,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:09,682 INFO L87 Difference]: Start difference. First operand 13516 states and 16028 transitions. Second operand has 4 states, 4 states have (on average 77.75) internal successors, (311), 4 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:11,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:11,408 INFO L93 Difference]: Finished difference Result 29622 states and 35606 transitions. [2021-11-22 15:32:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:32:11,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 77.75) internal successors, (311), 4 states have internal predecessors, (311), 0 states have call successors, (0), 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 414 [2021-11-22 15:32:11,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:11,445 INFO L225 Difference]: With dead ends: 29622 [2021-11-22 15:32:11,446 INFO L226 Difference]: Without dead ends: 17215 [2021-11-22 15:32:11,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:32:11,461 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 255 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:11,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 68 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-22 15:32:11,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17215 states. [2021-11-22 15:32:11,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17215 to 13148. [2021-11-22 15:32:11,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13148 states, 13147 states have (on average 1.1870388681828554) internal successors, (15606), 13147 states have internal predecessors, (15606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:11,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13148 states to 13148 states and 15606 transitions. [2021-11-22 15:32:11,861 INFO L78 Accepts]: Start accepts. Automaton has 13148 states and 15606 transitions. Word has length 414 [2021-11-22 15:32:11,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:11,862 INFO L470 AbstractCegarLoop]: Abstraction has 13148 states and 15606 transitions. [2021-11-22 15:32:11,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.75) internal successors, (311), 4 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:11,863 INFO L276 IsEmpty]: Start isEmpty. Operand 13148 states and 15606 transitions. [2021-11-22 15:32:11,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2021-11-22 15:32:11,896 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:11,897 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:11,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-22 15:32:11,898 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:11,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:11,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1202606572, now seen corresponding path program 1 times [2021-11-22 15:32:11,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:11,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716844561] [2021-11-22 15:32:11,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:11,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:12,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 802 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2021-11-22 15:32:12,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:12,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716844561] [2021-11-22 15:32:12,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716844561] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:12,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:12,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:12,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626082077] [2021-11-22 15:32:12,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:12,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:12,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:12,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:12,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:12,191 INFO L87 Difference]: Start difference. First operand 13148 states and 15606 transitions. Second operand has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:13,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:13,010 INFO L93 Difference]: Finished difference Result 23893 states and 28435 transitions. [2021-11-22 15:32:13,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:13,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 587 [2021-11-22 15:32:13,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:13,030 INFO L225 Difference]: With dead ends: 23893 [2021-11-22 15:32:13,031 INFO L226 Difference]: Without dead ends: 11854 [2021-11-22 15:32:13,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:13,042 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 102 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:13,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 149 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-22 15:32:13,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11854 states. [2021-11-22 15:32:13,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11854 to 10012. [2021-11-22 15:32:13,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10012 states, 10011 states have (on average 1.1403456198182) internal successors, (11416), 10011 states have internal predecessors, (11416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:13,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10012 states to 10012 states and 11416 transitions. [2021-11-22 15:32:13,214 INFO L78 Accepts]: Start accepts. Automaton has 10012 states and 11416 transitions. Word has length 587 [2021-11-22 15:32:13,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:13,215 INFO L470 AbstractCegarLoop]: Abstraction has 10012 states and 11416 transitions. [2021-11-22 15:32:13,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:13,216 INFO L276 IsEmpty]: Start isEmpty. Operand 10012 states and 11416 transitions. [2021-11-22 15:32:13,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2021-11-22 15:32:13,241 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:32:13,242 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:13,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-22 15:32:13,242 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:32:13,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:32:13,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1300910751, now seen corresponding path program 1 times [2021-11-22 15:32:13,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:32:13,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426576066] [2021-11-22 15:32:13,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:32:13,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:32:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:32:13,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 713 proven. 0 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2021-11-22 15:32:13,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:32:13,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426576066] [2021-11-22 15:32:13,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426576066] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:32:13,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:32:13,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:32:13,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745963025] [2021-11-22 15:32:13,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:32:13,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:32:13,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:32:13,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:32:13,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:32:13,542 INFO L87 Difference]: Start difference. First operand 10012 states and 11416 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:14,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:32:14,310 INFO L93 Difference]: Finished difference Result 20201 states and 23129 transitions. [2021-11-22 15:32:14,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:32:14,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 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 678 [2021-11-22 15:32:14,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:32:14,312 INFO L225 Difference]: With dead ends: 20201 [2021-11-22 15:32:14,312 INFO L226 Difference]: Without dead ends: 0 [2021-11-22 15:32:14,319 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 [2021-11-22 15:32:14,320 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 194 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-22 15:32:14,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 365 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-22 15:32:14,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-22 15:32:14,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-22 15:32:14,321 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) [2021-11-22 15:32:14,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 15:32:14,321 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 678 [2021-11-22 15:32:14,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:32:14,322 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 15:32:14,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:32:14,322 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-22 15:32:14,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 15:32:14,325 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-22 15:32:14,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-22 15:32:14,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-22 15:32:17,738 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-11-22 15:32:17,739 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,739 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-11-22 15:32:17,739 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,739 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,739 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,740 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,740 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,740 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,741 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-11-22 15:32:17,741 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-11-22 15:32:17,741 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-11-22 15:32:17,741 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,742 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,742 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,742 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,742 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,742 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,742 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,742 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,742 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,742 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,742 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-11-22 15:32:17,742 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-11-22 15:32:17,742 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-11-22 15:32:17,742 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,743 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-11-22 15:32:17,743 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-11-22 15:32:17,743 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,743 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,743 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,743 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,743 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,743 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,743 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-11-22 15:32:17,743 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-11-22 15:32:17,743 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-11-22 15:32:17,743 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,744 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,744 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,744 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse0 (<= ~a29~0 599998)) (.cse2 (<= ~a25~0 10)) (.cse4 (= ~a25~0 11)) (.cse3 (<= ~a29~0 599999)) (.cse5 (< 306 ~a23~0)) (.cse1 (= ~a4~0 1))) (or (and .cse0 (not .cse1)) (and .cse2 .cse3 (<= (+ ~a23~0 599772) 0)) (<= (+ ~a29~0 21) 0) (and .cse4 .cse0) (and .cse0 .cse5) (and (= ~a25~0 13) .cse0) (and .cse2 .cse3 .cse1) (and .cse4 .cse3 .cse5 .cse1))) [2021-11-22 15:32:17,744 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,744 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-11-22 15:32:17,744 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-11-22 15:32:17,745 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,745 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,745 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,745 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,746 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,746 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,746 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-11-22 15:32:17,746 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-11-22 15:32:17,746 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-11-22 15:32:17,746 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-11-22 15:32:17,746 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,746 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,746 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,746 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,751 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,752 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,752 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,752 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-11-22 15:32:17,752 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-11-22 15:32:17,752 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-11-22 15:32:17,753 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,753 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,753 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,753 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,753 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,753 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,753 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,753 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,753 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,753 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-11-22 15:32:17,754 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-11-22 15:32:17,754 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-11-22 15:32:17,754 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,754 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse0 (<= ~a29~0 599998)) (.cse2 (<= ~a25~0 10)) (.cse4 (= ~a25~0 11)) (.cse3 (<= ~a29~0 599999)) (.cse5 (< 306 ~a23~0)) (.cse1 (= ~a4~0 1))) (or (and .cse0 (not .cse1)) (and .cse2 .cse3 (<= (+ ~a23~0 599772) 0)) (<= (+ ~a29~0 21) 0) (and .cse4 .cse0) (and .cse0 .cse5) (and (= ~a25~0 13) .cse0) (and .cse2 .cse3 .cse1) (and .cse4 .cse3 .cse5 .cse1))) [2021-11-22 15:32:17,754 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,754 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,755 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,755 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,755 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,755 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,755 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,755 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,755 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-11-22 15:32:17,756 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-11-22 15:32:17,756 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-11-22 15:32:17,756 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-11-22 15:32:17,756 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-11-22 15:32:17,757 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-11-22 15:32:17,757 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-11-22 15:32:17,757 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,757 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,757 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,757 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,757 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,757 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,757 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,758 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,758 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,758 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,758 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-22 15:32:17,758 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-11-22 15:32:17,758 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-11-22 15:32:17,758 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-11-22 15:32:17,758 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-11-22 15:32:17,758 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,759 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,759 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,759 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,759 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,759 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-11-22 15:32:17,759 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-11-22 15:32:17,760 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-11-22 15:32:17,760 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,760 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,760 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,760 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,760 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-11-22 15:32:17,761 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-11-22 15:32:17,761 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,761 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,761 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,761 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,761 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,761 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,761 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-11-22 15:32:17,761 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-11-22 15:32:17,761 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,761 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,761 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-11-22 15:32:17,762 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-11-22 15:32:17,762 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-11-22 15:32:17,762 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-22 15:32:17,762 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2021-11-22 15:32:17,762 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,762 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,762 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,762 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,762 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,762 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,762 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,762 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-11-22 15:32:17,763 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-11-22 15:32:17,763 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-11-22 15:32:17,763 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-11-22 15:32:17,763 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-11-22 15:32:17,763 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-11-22 15:32:17,763 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-11-22 15:32:17,763 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,763 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,763 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-11-22 15:32:17,763 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-11-22 15:32:17,764 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,764 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,764 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,764 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,764 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,764 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-11-22 15:32:17,764 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-11-22 15:32:17,764 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-11-22 15:32:17,764 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,764 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,764 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,765 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,765 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,765 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,765 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-11-22 15:32:17,765 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-11-22 15:32:17,765 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-11-22 15:32:17,765 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,765 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,765 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,765 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,765 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,765 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,765 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,766 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,766 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-11-22 15:32:17,766 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-11-22 15:32:17,766 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-11-22 15:32:17,766 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,766 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,766 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,766 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,766 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,766 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,766 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,766 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,766 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,767 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,767 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,767 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-11-22 15:32:17,767 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-11-22 15:32:17,767 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-22 15:32:17,767 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-11-22 15:32:17,767 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-11-22 15:32:17,767 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,767 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,767 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,768 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,768 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,768 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,768 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,768 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-11-22 15:32:17,769 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-11-22 15:32:17,769 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-11-22 15:32:17,770 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,770 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,770 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,770 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-11-22 15:32:17,770 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-11-22 15:32:17,770 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,771 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,771 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,771 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,771 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,771 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-11-22 15:32:17,771 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-11-22 15:32:17,772 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,772 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,772 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-11-22 15:32:17,772 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-11-22 15:32:17,772 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,773 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-22 15:32:17,773 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,773 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,773 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,773 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,773 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,774 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-11-22 15:32:17,774 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-11-22 15:32:17,774 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-11-22 15:32:17,774 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-11-22 15:32:17,774 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,774 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,775 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,775 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,775 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,775 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,775 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,775 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,776 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-11-22 15:32:17,776 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-11-22 15:32:17,777 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-11-22 15:32:17,777 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-11-22 15:32:17,778 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-11-22 15:32:17,778 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-11-22 15:32:17,778 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,778 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,779 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,779 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,780 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,781 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,782 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,782 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-11-22 15:32:17,782 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-11-22 15:32:17,782 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-22 15:32:17,782 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,782 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,783 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,783 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,783 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,783 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,783 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-11-22 15:32:17,783 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-11-22 15:32:17,784 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,784 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,784 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,784 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,784 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,784 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,785 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,785 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-11-22 15:32:17,785 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-11-22 15:32:17,785 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,785 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,785 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-11-22 15:32:17,786 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-11-22 15:32:17,786 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-11-22 15:32:17,786 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-11-22 15:32:17,789 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:32:17,792 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 15:32:17,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 03:32:17 BoogieIcfgContainer [2021-11-22 15:32:17,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 15:32:17,832 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 15:32:17,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 15:32:17,833 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 15:32:17,833 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:31:51" (3/4) ... [2021-11-22 15:32:17,836 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 15:32:17,877 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-22 15:32:17,878 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 15:32:17,880 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 15:32:17,881 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 15:32:18,048 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 15:32:18,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 15:32:18,049 INFO L158 Benchmark]: Toolchain (without parser) took 29295.49ms. Allocated memory was 90.2MB in the beginning and 589.3MB in the end (delta: 499.1MB). Free memory was 53.3MB in the beginning and 398.0MB in the end (delta: -344.8MB). Peak memory consumption was 154.1MB. Max. memory is 16.1GB. [2021-11-22 15:32:18,050 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:32:18,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 928.74ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 53.1MB in the beginning and 77.2MB in the end (delta: -24.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2021-11-22 15:32:18,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.29ms. Allocated memory is still 115.3MB. Free memory was 77.2MB in the beginning and 60.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-22 15:32:18,052 INFO L158 Benchmark]: Boogie Preprocessor took 182.60ms. Allocated memory is still 115.3MB. Free memory was 60.4MB in the beginning and 74.4MB in the end (delta: -14.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-11-22 15:32:18,053 INFO L158 Benchmark]: RCFGBuilder took 1910.20ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 74.4MB in the beginning and 83.6MB in the end (delta: -9.2MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2021-11-22 15:32:18,054 INFO L158 Benchmark]: TraceAbstraction took 25894.99ms. Allocated memory was 169.9MB in the beginning and 589.3MB in the end (delta: 419.4MB). Free memory was 83.6MB in the beginning and 423.2MB in the end (delta: -339.6MB). Peak memory consumption was 391.3MB. Max. memory is 16.1GB. [2021-11-22 15:32:18,055 INFO L158 Benchmark]: Witness Printer took 216.86ms. Allocated memory is still 589.3MB. Free memory was 423.2MB in the beginning and 398.0MB in the end (delta: 25.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-22 15:32:18,058 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 90.2MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 928.74ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 53.1MB in the beginning and 77.2MB in the end (delta: -24.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.29ms. Allocated memory is still 115.3MB. Free memory was 77.2MB in the beginning and 60.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 182.60ms. Allocated memory is still 115.3MB. Free memory was 60.4MB in the beginning and 74.4MB in the end (delta: -14.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1910.20ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 74.4MB in the beginning and 83.6MB in the end (delta: -9.2MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * TraceAbstraction took 25894.99ms. Allocated memory was 169.9MB in the beginning and 589.3MB in the end (delta: 419.4MB). Free memory was 83.6MB in the beginning and 423.2MB in the end (delta: -339.6MB). Peak memory consumption was 391.3MB. Max. memory is 16.1GB. * Witness Printer took 216.86ms. Allocated memory is still 589.3MB. Free memory was 423.2MB in the beginning and 398.0MB in the end (delta: 25.2MB). Peak memory consumption was 23.1MB. 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: 121]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.8s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 17.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3042 SdHoareTripleChecker+Valid, 15.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3042 mSDsluCounter, 2829 SdHoareTripleChecker+Invalid, 12.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 404 mSDsCounter, 2016 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10402 IncrementalHoareTripleChecker+Invalid, 12418 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2016 mSolverCounterUnsat, 2425 mSDtfsCounter, 10402 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13516occurred in iteration=11, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 9023 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 127 NumberOfFragments, 141 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3320 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 7160 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 3868 NumberOfCodeBlocks, 3868 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3854 ConstructedInterpolants, 0 QuantifiedInterpolants, 10100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 3952/3952 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((a29 <= 599998 && !(a4 == 1)) || ((a25 <= 10 && a29 <= 599999) && a23 + 599772 <= 0)) || a29 + 21 <= 0) || (a25 == 11 && a29 <= 599998)) || (a29 <= 599998 && 306 < a23)) || (a25 == 13 && a29 <= 599998)) || ((a25 <= 10 && a29 <= 599999) && a4 == 1)) || (((a25 == 11 && a29 <= 599999) && 306 < a23) && a4 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((a29 <= 599998 && !(a4 == 1)) || ((a25 <= 10 && a29 <= 599999) && a23 + 599772 <= 0)) || a29 + 21 <= 0) || (a25 == 11 && a29 <= 599998)) || (a29 <= 599998 && 306 < a23)) || (a25 == 13 && a29 <= 599998)) || ((a25 <= 10 && a29 <= 599999) && a4 == 1)) || (((a25 == 11 && a29 <= 599999) && 306 < a23) && a4 == 1) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-22 15:32:18,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_070185eb-d604-4eca-adee-55ae3d73915a/bin/uautomizer-w2VwFs6gM0/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