./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY --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 d275ae72fa22fefb6f99ff85ffd06b7323c3e625d2728e4b56df52786497f790 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:33:33,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:33:33,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:33:33,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:33:33,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:33:33,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:33:33,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:33:33,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:33:33,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:33:33,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:33:33,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:33:33,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:33:33,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:33:33,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:33:33,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:33:33,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:33:33,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:33:33,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:33:33,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:33:33,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:33:33,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:33:33,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:33:33,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:33:33,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:33:33,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:33:33,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:33:33,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:33:33,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:33:33,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:33:33,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:33:33,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:33:33,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:33:33,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:33:33,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:33:33,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:33:33,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:33:33,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:33:33,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:33:33,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:33:33,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:33:33,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:33:33,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 08:33:33,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:33:33,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:33:33,303 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:33:33,304 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:33:33,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:33:33,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:33:33,306 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:33:33,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:33:33,307 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:33:33,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:33:33,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:33:33,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:33:33,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 08:33:33,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:33:33,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 08:33:33,310 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:33:33,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:33:33,311 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:33:33,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 08:33:33,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:33:33,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:33:33,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:33:33,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:33:33,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:33:33,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:33:33,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 08:33:33,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:33:33,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 08:33:33,314 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 08:33:33,314 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 08:33:33,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 08:33:33,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:33:33,315 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_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d275ae72fa22fefb6f99ff85ffd06b7323c3e625d2728e4b56df52786497f790 [2021-11-07 08:33:33,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:33:33,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:33:33,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:33:33,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:33:33,567 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:33:33,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c [2021-11-07 08:33:33,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/data/0c2365842/5f5655495ee248e2a1682439322a42a4/FLAG7a3000710 [2021-11-07 08:33:34,304 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:33:34,304 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/sv-benchmarks/c/eca-rers2012/Problem11_label07.c [2021-11-07 08:33:34,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/data/0c2365842/5f5655495ee248e2a1682439322a42a4/FLAG7a3000710 [2021-11-07 08:33:34,542 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/data/0c2365842/5f5655495ee248e2a1682439322a42a4 [2021-11-07 08:33:34,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:33:34,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:33:34,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:33:34,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:33:34,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:33:34,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:33:34" (1/1) ... [2021-11-07 08:33:34,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ed1f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:34, skipping insertion in model container [2021-11-07 08:33:34,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:33:34" (1/1) ... [2021-11-07 08:33:34,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:33:34,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:33:34,900 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/sv-benchmarks/c/eca-rers2012/Problem11_label07.c[3406,3419] [2021-11-07 08:33:35,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:33:35,280 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:33:35,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/sv-benchmarks/c/eca-rers2012/Problem11_label07.c[3406,3419] [2021-11-07 08:33:35,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:33:35,483 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:33:35,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:35 WrapperNode [2021-11-07 08:33:35,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:33:35,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:33:35,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:33:35,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:33:35,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:35" (1/1) ... [2021-11-07 08:33:35,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:35" (1/1) ... [2021-11-07 08:33:35,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:33:35,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:33:35,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:33:35,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:33:35,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:35" (1/1) ... [2021-11-07 08:33:35,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:35" (1/1) ... [2021-11-07 08:33:35,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:35" (1/1) ... [2021-11-07 08:33:35,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:35" (1/1) ... [2021-11-07 08:33:35,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:35" (1/1) ... [2021-11-07 08:33:35,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:35" (1/1) ... [2021-11-07 08:33:35,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:35" (1/1) ... [2021-11-07 08:33:35,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:33:35,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:33:35,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:33:35,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:33:35,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:35" (1/1) ... [2021-11-07 08:33:35,874 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:33:35,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:33:35,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 08:33:35,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 08:33:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 08:33:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:33:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:33:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:33:37,537 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:33:37,537 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-07 08:33:37,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:33:37 BoogieIcfgContainer [2021-11-07 08:33:37,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:33:37,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 08:33:37,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 08:33:37,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 08:33:37,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:33:34" (1/3) ... [2021-11-07 08:33:37,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a7268e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:33:37, skipping insertion in model container [2021-11-07 08:33:37,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:35" (2/3) ... [2021-11-07 08:33:37,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a7268e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:33:37, skipping insertion in model container [2021-11-07 08:33:37,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:33:37" (3/3) ... [2021-11-07 08:33:37,548 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label07.c [2021-11-07 08:33:37,553 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 08:33:37,553 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 08:33:37,602 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 08:33:37,608 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 [2021-11-07 08:33:37,608 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 08:33:37,630 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) [2021-11-07 08:33:37,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 08:33:37,636 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:33:37,637 INFO L513 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] [2021-11-07 08:33:37,637 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:33:37,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:33:37,643 INFO L85 PathProgramCache]: Analyzing trace with hash -573341295, now seen corresponding path program 1 times [2021-11-07 08:33:37,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:33:37,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149388263] [2021-11-07 08:33:37,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:33:37,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:33:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:33:37,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:33:37,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:33:37,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149388263] [2021-11-07 08:33:37,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149388263] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:33:37,863 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:33:37,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:33:37,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508145972] [2021-11-07 08:33:37,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:33:37,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:33:37,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:33:37,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:33:37,887 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:39,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:33:39,279 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-11-07 08:33:39,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:33:39,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2021-11-07 08:33:39,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:33:39,307 INFO L225 Difference]: With dead ends: 761 [2021-11-07 08:33:39,307 INFO L226 Difference]: Without dead ends: 413 [2021-11-07 08:33:39,315 INFO L786 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 [2021-11-07 08:33:39,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-11-07 08:33:39,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-11-07 08:33:39,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:39,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-11-07 08:33:39,404 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 23 [2021-11-07 08:33:39,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:33:39,404 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-11-07 08:33:39,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:39,405 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-11-07 08:33:39,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-07 08:33:39,409 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:33:39,410 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-07 08:33:39,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 08:33:39,411 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:33:39,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:33:39,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1631989384, now seen corresponding path program 1 times [2021-11-07 08:33:39,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:33:39,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002499661] [2021-11-07 08:33:39,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:33:39,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:33:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:33:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:33:39,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:33:39,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002499661] [2021-11-07 08:33:39,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002499661] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:33:39,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:33:39,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:33:39,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047534549] [2021-11-07 08:33:39,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:33:39,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:33:39,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:33:39,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:33:39,665 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:40,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:33:40,680 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-11-07 08:33:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:33:40,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-11-07 08:33:40,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:33:40,686 INFO L225 Difference]: With dead ends: 1211 [2021-11-07 08:33:40,687 INFO L226 Difference]: Without dead ends: 800 [2021-11-07 08:33:40,688 INFO L786 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 [2021-11-07 08:33:40,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-11-07 08:33:40,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-11-07 08:33:40,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:40,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2021-11-07 08:33:40,725 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 91 [2021-11-07 08:33:40,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:33:40,726 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2021-11-07 08:33:40,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:40,727 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2021-11-07 08:33:40,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-07 08:33:40,731 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:33:40,731 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-07 08:33:40,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 08:33:40,732 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:33:40,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:33:40,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1083200579, now seen corresponding path program 1 times [2021-11-07 08:33:40,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:33:40,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276904836] [2021-11-07 08:33:40,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:33:40,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:33:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:33:40,843 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:33:40,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:33:40,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276904836] [2021-11-07 08:33:40,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276904836] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:33:40,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:33:40,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:33:40,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37660548] [2021-11-07 08:33:40,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:33:40,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:33:40,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:33:40,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:33:40,848 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:41,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:33:41,728 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2021-11-07 08:33:41,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:33:41,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-11-07 08:33:41,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:33:41,738 INFO L225 Difference]: With dead ends: 1945 [2021-11-07 08:33:41,739 INFO L226 Difference]: Without dead ends: 1158 [2021-11-07 08:33:41,740 INFO L786 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 [2021-11-07 08:33:41,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-11-07 08:33:41,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2021-11-07 08:33:41,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2021-11-07 08:33:41,773 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 93 [2021-11-07 08:33:41,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:33:41,774 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2021-11-07 08:33:41,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:41,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2021-11-07 08:33:41,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-07 08:33:41,778 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:33:41,778 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:33:41,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 08:33:41,779 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:33:41,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:33:41,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1119260003, now seen corresponding path program 1 times [2021-11-07 08:33:41,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:33:41,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872231740] [2021-11-07 08:33:41,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:33:41,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:33:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:33:41,934 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:33:41,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:33:41,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872231740] [2021-11-07 08:33:41,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872231740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:33:41,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:33:41,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:33:41,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358581517] [2021-11-07 08:33:41,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:33:41,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:33:41,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:33:41,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:33:41,938 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 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) [2021-11-07 08:33:42,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:33:42,800 INFO L93 Difference]: Finished difference Result 2519 states and 3349 transitions. [2021-11-07 08:33:42,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:33:42,800 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 150 [2021-11-07 08:33:42,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:33:42,809 INFO L225 Difference]: With dead ends: 2519 [2021-11-07 08:33:42,809 INFO L226 Difference]: Without dead ends: 1548 [2021-11-07 08:33:42,811 INFO L786 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 [2021-11-07 08:33:42,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2021-11-07 08:33:42,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2021-11-07 08:33:42,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.2933937823834196) internal successors, (1997), 1544 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:42,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions. [2021-11-07 08:33:42,854 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 150 [2021-11-07 08:33:42,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:33:42,855 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions. [2021-11-07 08:33:42,856 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) [2021-11-07 08:33:42,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions. [2021-11-07 08:33:42,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-07 08:33:42,859 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:33:42,860 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:33:42,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 08:33:42,860 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:33:42,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:33:42,861 INFO L85 PathProgramCache]: Analyzing trace with hash -41328736, now seen corresponding path program 1 times [2021-11-07 08:33:42,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:33:42,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834364610] [2021-11-07 08:33:42,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:33:42,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:33:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:33:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-07 08:33:43,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:33:43,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834364610] [2021-11-07 08:33:43,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834364610] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:33:43,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:33:43,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:33:43,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550002083] [2021-11-07 08:33:43,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:33:43,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:33:43,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:33:43,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:33:43,058 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:43,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:33:43,995 INFO L93 Difference]: Finished difference Result 3650 states and 4815 transitions. [2021-11-07 08:33:43,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:33:43,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 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 205 [2021-11-07 08:33:43,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:33:44,009 INFO L225 Difference]: With dead ends: 3650 [2021-11-07 08:33:44,009 INFO L226 Difference]: Without dead ends: 2291 [2021-11-07 08:33:44,011 INFO L786 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 [2021-11-07 08:33:44,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2291 states. [2021-11-07 08:33:44,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2291 to 2098. [2021-11-07 08:33:44,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 2097 states have (on average 1.2675250357653791) internal successors, (2658), 2097 states have internal predecessors, (2658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:44,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2658 transitions. [2021-11-07 08:33:44,064 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2658 transitions. Word has length 205 [2021-11-07 08:33:44,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:33:44,066 INFO L470 AbstractCegarLoop]: Abstraction has 2098 states and 2658 transitions. [2021-11-07 08:33:44,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:44,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2658 transitions. [2021-11-07 08:33:44,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-07 08:33:44,071 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:33:44,071 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:33:44,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 08:33:44,072 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:33:44,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:33:44,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1687662639, now seen corresponding path program 1 times [2021-11-07 08:33:44,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:33:44,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881721445] [2021-11-07 08:33:44,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:33:44,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:33:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:33:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-07 08:33:44,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:33:44,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881721445] [2021-11-07 08:33:44,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881721445] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:33:44,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110268682] [2021-11-07 08:33:44,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:33:44,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:33:44,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:33:44,373 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:33:44,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 08:33:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:33:44,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:33:44,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:33:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-07 08:33:45,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110268682] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:33:45,122 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 08:33:45,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-07 08:33:45,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150287621] [2021-11-07 08:33:45,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:33:45,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:33:45,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:33:45,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 08:33:45,125 INFO L87 Difference]: Start difference. First operand 2098 states and 2658 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:46,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:33:46,151 INFO L93 Difference]: Finished difference Result 4940 states and 6327 transitions. [2021-11-07 08:33:46,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:33:46,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 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 211 [2021-11-07 08:33:46,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:33:46,167 INFO L225 Difference]: With dead ends: 4940 [2021-11-07 08:33:46,167 INFO L226 Difference]: Without dead ends: 2844 [2021-11-07 08:33:46,172 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 08:33:46,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2021-11-07 08:33:46,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2835. [2021-11-07 08:33:46,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2835 states, 2834 states have (on average 1.2399435426958363) internal successors, (3514), 2834 states have internal predecessors, (3514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:46,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 3514 transitions. [2021-11-07 08:33:46,265 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 3514 transitions. Word has length 211 [2021-11-07 08:33:46,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:33:46,266 INFO L470 AbstractCegarLoop]: Abstraction has 2835 states and 3514 transitions. [2021-11-07 08:33:46,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:46,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3514 transitions. [2021-11-07 08:33:46,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-07 08:33:46,273 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:33:46,274 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:33:46,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 08:33:46,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:33:46,490 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:33:46,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:33:46,490 INFO L85 PathProgramCache]: Analyzing trace with hash 152223707, now seen corresponding path program 1 times [2021-11-07 08:33:46,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:33:46,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612196296] [2021-11-07 08:33:46,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:33:46,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:33:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:33:46,643 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:33:46,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:33:46,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612196296] [2021-11-07 08:33:46,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612196296] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:33:46,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:33:46,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:33:46,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164507106] [2021-11-07 08:33:46,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:33:46,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:33:46,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:33:46,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:33:46,648 INFO L87 Difference]: Start difference. First operand 2835 states and 3514 transitions. Second operand has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:48,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:33:48,179 INFO L93 Difference]: Finished difference Result 9389 states and 11845 transitions. [2021-11-07 08:33:48,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:33:48,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 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 250 [2021-11-07 08:33:48,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:33:48,213 INFO L225 Difference]: With dead ends: 9389 [2021-11-07 08:33:48,214 INFO L226 Difference]: Without dead ends: 6556 [2021-11-07 08:33:48,217 INFO L786 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 [2021-11-07 08:33:48,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6556 states. [2021-11-07 08:33:48,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6556 to 6552. [2021-11-07 08:33:48,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6552 states, 6551 states have (on average 1.2399633643718517) internal successors, (8123), 6551 states have internal predecessors, (8123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:48,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6552 states to 6552 states and 8123 transitions. [2021-11-07 08:33:48,370 INFO L78 Accepts]: Start accepts. Automaton has 6552 states and 8123 transitions. Word has length 250 [2021-11-07 08:33:48,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:33:48,371 INFO L470 AbstractCegarLoop]: Abstraction has 6552 states and 8123 transitions. [2021-11-07 08:33:48,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:48,371 INFO L276 IsEmpty]: Start isEmpty. Operand 6552 states and 8123 transitions. [2021-11-07 08:33:48,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-07 08:33:48,379 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:33:48,379 INFO L513 BasicCegarLoop]: trace histogram [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, 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] [2021-11-07 08:33:48,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 08:33:48,379 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:33:48,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:33:48,380 INFO L85 PathProgramCache]: Analyzing trace with hash 886593799, now seen corresponding path program 1 times [2021-11-07 08:33:48,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:33:48,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133092286] [2021-11-07 08:33:48,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:33:48,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:33:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:33:48,516 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 08:33:48,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:33:48,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133092286] [2021-11-07 08:33:48,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133092286] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:33:48,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:33:48,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:33:48,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298443738] [2021-11-07 08:33:48,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:33:48,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:33:48,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:33:48,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:33:48,519 INFO L87 Difference]: Start difference. First operand 6552 states and 8123 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:49,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:33:49,473 INFO L93 Difference]: Finished difference Result 12754 states and 15902 transitions. [2021-11-07 08:33:49,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:33:49,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 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 282 [2021-11-07 08:33:49,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:33:49,508 INFO L225 Difference]: With dead ends: 12754 [2021-11-07 08:33:49,509 INFO L226 Difference]: Without dead ends: 6572 [2021-11-07 08:33:49,515 INFO L786 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 [2021-11-07 08:33:49,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6572 states. [2021-11-07 08:33:49,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6572 to 6368. [2021-11-07 08:33:49,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6368 states, 6367 states have (on average 1.1941259619915188) internal successors, (7603), 6367 states have internal predecessors, (7603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:49,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6368 states to 6368 states and 7603 transitions. [2021-11-07 08:33:49,685 INFO L78 Accepts]: Start accepts. Automaton has 6368 states and 7603 transitions. Word has length 282 [2021-11-07 08:33:49,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:33:49,686 INFO L470 AbstractCegarLoop]: Abstraction has 6368 states and 7603 transitions. [2021-11-07 08:33:49,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:49,686 INFO L276 IsEmpty]: Start isEmpty. Operand 6368 states and 7603 transitions. [2021-11-07 08:33:49,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-07 08:33:49,693 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:33:49,693 INFO L513 BasicCegarLoop]: trace histogram [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, 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] [2021-11-07 08:33:49,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 08:33:49,694 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:33:49,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:33:49,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1199418419, now seen corresponding path program 1 times [2021-11-07 08:33:49,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:33:49,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643244609] [2021-11-07 08:33:49,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:33:49,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:33:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:33:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-07 08:33:49,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:33:49,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643244609] [2021-11-07 08:33:49,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643244609] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:33:49,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:33:49,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:33:49,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923707411] [2021-11-07 08:33:49,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:33:49,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:33:49,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:33:49,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:33:49,864 INFO L87 Difference]: Start difference. First operand 6368 states and 7603 transitions. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:50,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:33:50,747 INFO L93 Difference]: Finished difference Result 11961 states and 14349 transitions. [2021-11-07 08:33:50,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:33:50,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 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 283 [2021-11-07 08:33:50,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:33:50,797 INFO L225 Difference]: With dead ends: 11961 [2021-11-07 08:33:50,797 INFO L226 Difference]: Without dead ends: 5963 [2021-11-07 08:33:50,804 INFO L786 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 [2021-11-07 08:33:50,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5963 states. [2021-11-07 08:33:50,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5963 to 5777. [2021-11-07 08:33:50,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5777 states, 5776 states have (on average 1.143005540166205) internal successors, (6602), 5776 states have internal predecessors, (6602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:50,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5777 states to 5777 states and 6602 transitions. [2021-11-07 08:33:50,959 INFO L78 Accepts]: Start accepts. Automaton has 5777 states and 6602 transitions. Word has length 283 [2021-11-07 08:33:50,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:33:50,960 INFO L470 AbstractCegarLoop]: Abstraction has 5777 states and 6602 transitions. [2021-11-07 08:33:50,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:50,961 INFO L276 IsEmpty]: Start isEmpty. Operand 5777 states and 6602 transitions. [2021-11-07 08:33:50,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-07 08:33:50,968 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:33:50,969 INFO L513 BasicCegarLoop]: trace histogram [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, 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] [2021-11-07 08:33:50,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 08:33:50,969 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:33:50,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:33:50,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1173523924, now seen corresponding path program 1 times [2021-11-07 08:33:50,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:33:50,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400543919] [2021-11-07 08:33:50,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:33:50,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:33:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:33:51,109 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-11-07 08:33:51,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:33:51,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400543919] [2021-11-07 08:33:51,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400543919] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:33:51,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:33:51,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:33:51,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858066459] [2021-11-07 08:33:51,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:33:51,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:33:51,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:33:51,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:33:51,115 INFO L87 Difference]: Start difference. First operand 5777 states and 6602 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:52,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:33:52,214 INFO L93 Difference]: Finished difference Result 15048 states and 17294 transitions. [2021-11-07 08:33:52,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:33:52,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 288 [2021-11-07 08:33:52,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:33:52,313 INFO L225 Difference]: With dead ends: 15048 [2021-11-07 08:33:52,313 INFO L226 Difference]: Without dead ends: 9641 [2021-11-07 08:33:52,318 INFO L786 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 [2021-11-07 08:33:52,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9641 states. [2021-11-07 08:33:52,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9641 to 9641. [2021-11-07 08:33:52,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9641 states, 9640 states have (on average 1.1198132780082988) internal successors, (10795), 9640 states have internal predecessors, (10795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:52,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9641 states to 9641 states and 10795 transitions. [2021-11-07 08:33:52,498 INFO L78 Accepts]: Start accepts. Automaton has 9641 states and 10795 transitions. Word has length 288 [2021-11-07 08:33:52,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:33:52,499 INFO L470 AbstractCegarLoop]: Abstraction has 9641 states and 10795 transitions. [2021-11-07 08:33:52,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:52,499 INFO L276 IsEmpty]: Start isEmpty. Operand 9641 states and 10795 transitions. [2021-11-07 08:33:52,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-07 08:33:52,510 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:33:52,511 INFO L513 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-07 08:33:52,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 08:33:52,511 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:33:52,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:33:52,512 INFO L85 PathProgramCache]: Analyzing trace with hash -290095560, now seen corresponding path program 1 times [2021-11-07 08:33:52,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:33:52,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537065275] [2021-11-07 08:33:52,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:33:52,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:33:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:33:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-11-07 08:33:52,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:33:52,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537065275] [2021-11-07 08:33:52,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537065275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:33:52,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:33:52,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:33:52,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600279688] [2021-11-07 08:33:52,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:33:52,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:33:52,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:33:52,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:33:52,679 INFO L87 Difference]: Start difference. First operand 9641 states and 10795 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:53,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:33:53,639 INFO L93 Difference]: Finished difference Result 19459 states and 21827 transitions. [2021-11-07 08:33:53,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:33:53,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 316 [2021-11-07 08:33:53,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:33:53,661 INFO L225 Difference]: With dead ends: 19459 [2021-11-07 08:33:53,662 INFO L226 Difference]: Without dead ends: 11296 [2021-11-07 08:33:53,669 INFO L786 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 [2021-11-07 08:33:53,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11296 states. [2021-11-07 08:33:53,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11296 to 7424. [2021-11-07 08:33:53,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7424 states, 7423 states have (on average 1.1225919439579686) internal successors, (8333), 7423 states have internal predecessors, (8333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:53,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7424 states to 7424 states and 8333 transitions. [2021-11-07 08:33:53,822 INFO L78 Accepts]: Start accepts. Automaton has 7424 states and 8333 transitions. Word has length 316 [2021-11-07 08:33:53,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:33:53,823 INFO L470 AbstractCegarLoop]: Abstraction has 7424 states and 8333 transitions. [2021-11-07 08:33:53,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:53,823 INFO L276 IsEmpty]: Start isEmpty. Operand 7424 states and 8333 transitions. [2021-11-07 08:33:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-07 08:33:53,833 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:33:53,834 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:33:53,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 08:33:53,839 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:33:53,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:33:53,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1432121809, now seen corresponding path program 1 times [2021-11-07 08:33:53,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:33:53,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732011690] [2021-11-07 08:33:53,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:33:53,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:33:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:33:54,018 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:33:54,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:33:54,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732011690] [2021-11-07 08:33:54,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732011690] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:33:54,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:33:54,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:33:54,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482557669] [2021-11-07 08:33:54,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:33:54,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:33:54,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:33:54,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:33:54,021 INFO L87 Difference]: Start difference. First operand 7424 states and 8333 transitions. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:55,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:33:55,058 INFO L93 Difference]: Finished difference Result 17607 states and 19807 transitions. [2021-11-07 08:33:55,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:33:55,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 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 325 [2021-11-07 08:33:55,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:33:55,078 INFO L225 Difference]: With dead ends: 17607 [2021-11-07 08:33:55,078 INFO L226 Difference]: Without dead ends: 10553 [2021-11-07 08:33:55,085 INFO L786 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 [2021-11-07 08:33:55,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10553 states. [2021-11-07 08:33:55,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10553 to 10548. [2021-11-07 08:33:55,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10548 states, 10547 states have (on average 1.1107423912012895) internal successors, (11715), 10547 states have internal predecessors, (11715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:55,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10548 states to 10548 states and 11715 transitions. [2021-11-07 08:33:55,257 INFO L78 Accepts]: Start accepts. Automaton has 10548 states and 11715 transitions. Word has length 325 [2021-11-07 08:33:55,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:33:55,258 INFO L470 AbstractCegarLoop]: Abstraction has 10548 states and 11715 transitions. [2021-11-07 08:33:55,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:55,258 INFO L276 IsEmpty]: Start isEmpty. Operand 10548 states and 11715 transitions. [2021-11-07 08:33:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-07 08:33:55,273 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:33:55,273 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-07 08:33:55,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 08:33:55,274 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:33:55,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:33:55,274 INFO L85 PathProgramCache]: Analyzing trace with hash -625671799, now seen corresponding path program 1 times [2021-11-07 08:33:55,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:33:55,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480501439] [2021-11-07 08:33:55,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:33:55,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:33:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:33:55,461 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:33:55,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:33:55,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480501439] [2021-11-07 08:33:55,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480501439] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:33:55,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:33:55,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:33:55,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759233027] [2021-11-07 08:33:55,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:33:55,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:33:55,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:33:55,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:33:55,464 INFO L87 Difference]: Start difference. First operand 10548 states and 11715 transitions. Second operand has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:57,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:33:57,056 INFO L93 Difference]: Finished difference Result 23857 states and 26561 transitions. [2021-11-07 08:33:57,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:33:57,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 328 [2021-11-07 08:33:57,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:33:57,082 INFO L225 Difference]: With dead ends: 23857 [2021-11-07 08:33:57,082 INFO L226 Difference]: Without dead ends: 13679 [2021-11-07 08:33:57,092 INFO L786 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 [2021-11-07 08:33:57,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13679 states. [2021-11-07 08:33:57,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13679 to 12756. [2021-11-07 08:33:57,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12756 states, 12755 states have (on average 1.0953351626813015) internal successors, (13971), 12755 states have internal predecessors, (13971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:57,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12756 states to 12756 states and 13971 transitions. [2021-11-07 08:33:57,308 INFO L78 Accepts]: Start accepts. Automaton has 12756 states and 13971 transitions. Word has length 328 [2021-11-07 08:33:57,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:33:57,308 INFO L470 AbstractCegarLoop]: Abstraction has 12756 states and 13971 transitions. [2021-11-07 08:33:57,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:57,309 INFO L276 IsEmpty]: Start isEmpty. Operand 12756 states and 13971 transitions. [2021-11-07 08:33:57,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2021-11-07 08:33:57,330 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:33:57,331 INFO L513 BasicCegarLoop]: trace histogram [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, 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] [2021-11-07 08:33:57,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 08:33:57,331 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:33:57,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:33:57,332 INFO L85 PathProgramCache]: Analyzing trace with hash 489054109, now seen corresponding path program 1 times [2021-11-07 08:33:57,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:33:57,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749192487] [2021-11-07 08:33:57,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:33:57,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:33:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:33:57,623 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-11-07 08:33:57,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:33:57,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749192487] [2021-11-07 08:33:57,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749192487] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:33:57,624 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:33:57,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:33:57,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327284019] [2021-11-07 08:33:57,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:33:57,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:33:57,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:33:57,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:33:57,627 INFO L87 Difference]: Start difference. First operand 12756 states and 13971 transitions. Second operand has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:58,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:33:58,970 INFO L93 Difference]: Finished difference Result 27169 states and 29817 transitions. [2021-11-07 08:33:58,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:33:58,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 0 states have call successors, (0), 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 402 [2021-11-07 08:33:58,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:33:58,995 INFO L225 Difference]: With dead ends: 27169 [2021-11-07 08:33:58,996 INFO L226 Difference]: Without dead ends: 14783 [2021-11-07 08:33:59,007 INFO L786 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 [2021-11-07 08:33:59,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14783 states. [2021-11-07 08:33:59,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14783 to 12756. [2021-11-07 08:33:59,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12756 states, 12755 states have (on average 1.0953351626813015) internal successors, (13971), 12755 states have internal predecessors, (13971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:59,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12756 states to 12756 states and 13971 transitions. [2021-11-07 08:33:59,258 INFO L78 Accepts]: Start accepts. Automaton has 12756 states and 13971 transitions. Word has length 402 [2021-11-07 08:33:59,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:33:59,258 INFO L470 AbstractCegarLoop]: Abstraction has 12756 states and 13971 transitions. [2021-11-07 08:33:59,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:33:59,259 INFO L276 IsEmpty]: Start isEmpty. Operand 12756 states and 13971 transitions. [2021-11-07 08:33:59,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 896 [2021-11-07 08:33:59,288 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:33:59,289 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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] [2021-11-07 08:33:59,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-07 08:33:59,289 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:33:59,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:33:59,290 INFO L85 PathProgramCache]: Analyzing trace with hash -453324163, now seen corresponding path program 1 times [2021-11-07 08:33:59,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:33:59,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695673684] [2021-11-07 08:33:59,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:33:59,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:33:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:33:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2355 backedges. 1573 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2021-11-07 08:33:59,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:33:59,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695673684] [2021-11-07 08:33:59,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695673684] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:33:59,710 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:33:59,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:33:59,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34047920] [2021-11-07 08:33:59,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:33:59,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:33:59,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:33:59,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:33:59,724 INFO L87 Difference]: Start difference. First operand 12756 states and 13971 transitions. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:34:00,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:34:00,606 INFO L93 Difference]: Finished difference Result 28084 states and 30815 transitions. [2021-11-07 08:34:00,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:34:00,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 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 895 [2021-11-07 08:34:00,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:34:00,609 INFO L225 Difference]: With dead ends: 28084 [2021-11-07 08:34:00,610 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 08:34:00,618 INFO L786 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 [2021-11-07 08:34:00,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 08:34:00,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 08:34:00,619 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) [2021-11-07 08:34:00,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 08:34:00,619 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 895 [2021-11-07 08:34:00,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:34:00,620 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:34:00,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:34:00,620 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 08:34:00,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 08:34:00,623 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 08:34:00,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 08:34:00,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 08:34:00,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:34:00,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:34:01,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:34:01,747 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-11-07 08:34:01,748 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,748 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-11-07 08:34:01,748 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,748 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,748 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,748 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,748 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,748 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,749 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-11-07 08:34:01,749 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-11-07 08:34:01,749 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-11-07 08:34:01,750 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,751 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,752 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,752 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,753 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,753 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,753 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,753 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,753 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,754 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,754 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-11-07 08:34:01,754 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-11-07 08:34:01,754 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-11-07 08:34:01,754 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,754 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-11-07 08:34:01,755 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-11-07 08:34:01,755 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,755 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,755 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,755 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,755 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,755 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,756 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-11-07 08:34:01,757 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-11-07 08:34:01,757 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-11-07 08:34:01,757 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,757 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,757 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,757 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse4 (= ~a25~0 11)) (.cse1 (<= (+ ~a29~0 22) 0)) (.cse5 (<= ~a29~0 599998)) (.cse6 (<= ~a25~0 10)) (.cse10 (< 245 ~a29~0)) (.cse0 (= ~a4~0 0)) (.cse7 (<= ~a29~0 274)) (.cse3 (<= ~a23~0 312)) (.cse2 (< 0 (+ ~a23~0 43))) (.cse8 (= ~a4~0 1)) (.cse9 (<= 13 ~a25~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse2 .cse6 .cse5 .cse3) (and .cse4 .cse7 .cse8) (and .cse4 .cse2 .cse8) (and .cse2 .cse8 .cse3) (and (<= (+ ~a23~0 599772) 0) .cse8 .cse9) (and .cse0 .cse1 .cse6) (and .cse10 .cse0 .cse6 .cse5 .cse3) (and (<= (+ ~a29~0 21) 0) .cse8) (and (= ~a25~0 12) .cse0 .cse5) (and .cse2 .cse5 .cse8) (and .cse6 .cse8) (and .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse7 .cse3) (and .cse2 .cse8 .cse9))) [2021-11-07 08:34:01,757 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,757 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-11-07 08:34:01,758 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-11-07 08:34:01,758 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,758 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,758 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,758 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,758 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,758 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,758 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-11-07 08:34:01,758 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-11-07 08:34:01,758 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-11-07 08:34:01,758 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-11-07 08:34:01,758 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,759 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,759 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,759 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,759 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,760 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,760 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,760 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-11-07 08:34:01,760 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-11-07 08:34:01,760 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-11-07 08:34:01,760 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,760 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,760 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,760 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,760 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,761 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,761 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,761 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,761 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,761 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-11-07 08:34:01,761 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-11-07 08:34:01,762 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-11-07 08:34:01,762 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,763 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse4 (= ~a25~0 11)) (.cse1 (<= (+ ~a29~0 22) 0)) (.cse5 (<= ~a29~0 599998)) (.cse6 (<= ~a25~0 10)) (.cse10 (< 245 ~a29~0)) (.cse0 (= ~a4~0 0)) (.cse7 (<= ~a29~0 274)) (.cse3 (<= ~a23~0 312)) (.cse2 (< 0 (+ ~a23~0 43))) (.cse8 (= ~a4~0 1)) (.cse9 (<= 13 ~a25~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse2 .cse6 .cse5 .cse3) (and .cse4 .cse7 .cse8) (and .cse4 .cse2 .cse8) (and .cse2 .cse8 .cse3) (and (<= (+ ~a23~0 599772) 0) .cse8 .cse9) (and .cse0 .cse1 .cse6) (and .cse10 .cse0 .cse6 .cse5 .cse3) (and (<= (+ ~a29~0 21) 0) .cse8) (and (= ~a25~0 12) .cse0 .cse5) (and .cse2 .cse5 .cse8) (and .cse6 .cse8) (and .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse7 .cse3) (and .cse2 .cse8 .cse9))) [2021-11-07 08:34:01,763 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,763 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,763 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,763 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,763 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,764 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,764 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,764 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,764 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-11-07 08:34:01,764 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-11-07 08:34:01,764 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-11-07 08:34:01,765 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-11-07 08:34:01,765 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-11-07 08:34:01,765 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-11-07 08:34:01,765 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-11-07 08:34:01,765 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,765 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,766 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,766 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,766 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,766 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,766 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,766 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,766 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,767 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,767 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 08:34:01,767 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-11-07 08:34:01,767 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-11-07 08:34:01,767 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-11-07 08:34:01,767 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-11-07 08:34:01,768 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,768 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,768 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,768 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,768 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,768 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-11-07 08:34:01,769 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-11-07 08:34:01,769 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-11-07 08:34:01,769 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,769 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,769 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,769 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,769 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-11-07 08:34:01,770 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-11-07 08:34:01,770 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,770 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,770 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,770 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,770 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,771 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,771 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-11-07 08:34:01,771 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-11-07 08:34:01,771 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,771 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,771 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-11-07 08:34:01,772 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-11-07 08:34:01,772 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-11-07 08:34:01,772 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 08:34:01,772 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 85) no Hoare annotation was computed. [2021-11-07 08:34:01,773 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,773 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,773 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,773 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,773 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,773 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,774 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,774 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-11-07 08:34:01,774 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-11-07 08:34:01,774 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-11-07 08:34:01,775 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-11-07 08:34:01,775 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-11-07 08:34:01,775 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-11-07 08:34:01,775 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-11-07 08:34:01,775 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,775 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,775 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-11-07 08:34:01,776 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-11-07 08:34:01,776 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,776 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,776 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,776 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,776 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,777 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-11-07 08:34:01,777 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-11-07 08:34:01,777 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-11-07 08:34:01,777 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,777 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,777 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,778 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,778 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,778 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,778 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-11-07 08:34:01,778 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-11-07 08:34:01,778 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-11-07 08:34:01,778 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,779 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,779 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,779 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,779 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,779 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,779 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,780 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,780 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-11-07 08:34:01,780 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-11-07 08:34:01,780 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-11-07 08:34:01,780 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,781 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,781 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,781 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,782 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,782 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,782 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,782 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,782 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,782 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,783 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,783 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-11-07 08:34:01,783 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-11-07 08:34:01,783 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-07 08:34:01,783 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-11-07 08:34:01,783 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-11-07 08:34:01,784 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,784 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,784 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,784 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,784 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,784 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,785 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,785 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-11-07 08:34:01,785 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-11-07 08:34:01,785 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-11-07 08:34:01,785 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,785 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,785 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,786 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-11-07 08:34:01,786 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-11-07 08:34:01,786 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,786 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,786 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,786 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,787 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,787 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-11-07 08:34:01,787 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-11-07 08:34:01,787 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,787 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,787 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-11-07 08:34:01,788 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-11-07 08:34:01,788 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,788 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 08:34:01,788 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,788 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,788 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,788 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,789 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,789 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-11-07 08:34:01,789 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-11-07 08:34:01,789 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-11-07 08:34:01,789 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-11-07 08:34:01,789 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,790 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,790 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,790 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,790 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,790 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,790 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,791 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,791 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-11-07 08:34:01,792 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-11-07 08:34:01,792 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-11-07 08:34:01,793 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-11-07 08:34:01,793 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-11-07 08:34:01,793 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-11-07 08:34:01,793 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,793 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,794 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,794 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,795 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,796 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,797 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,797 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-11-07 08:34:01,797 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-11-07 08:34:01,797 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 08:34:01,797 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,797 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,798 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,798 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,798 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,798 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,798 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-11-07 08:34:01,798 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-11-07 08:34:01,799 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,799 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,799 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,799 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,799 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,799 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,799 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,800 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-11-07 08:34:01,800 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-11-07 08:34:01,800 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,800 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,800 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-11-07 08:34:01,800 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-11-07 08:34:01,801 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-11-07 08:34:01,801 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-11-07 08:34:01,804 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:34:01,806 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 08:34:01,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:34:01 BoogieIcfgContainer [2021-11-07 08:34:01,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 08:34:01,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:34:01,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:34:01,855 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:34:01,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:33:37" (3/4) ... [2021-11-07 08:34:01,858 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 08:34:01,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-07 08:34:01,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 08:34:01,899 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:34:01,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:34:02,094 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 08:34:02,094 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:34:02,096 INFO L168 Benchmark]: Toolchain (without parser) took 27548.26 ms. Allocated memory was 100.7 MB in the beginning and 467.7 MB in the end (delta: 367.0 MB). Free memory was 65.0 MB in the beginning and 329.2 MB in the end (delta: -264.2 MB). Peak memory consumption was 102.7 MB. Max. memory is 16.1 GB. [2021-11-07 08:34:02,097 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory is still 55.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:34:02,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 936.14 ms. Allocated memory is still 100.7 MB. Free memory was 64.9 MB in the beginning and 42.9 MB in the end (delta: 21.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:34:02,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 240.00 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 42.5 MB in the beginning and 94.5 MB in the end (delta: -52.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:34:02,099 INFO L168 Benchmark]: Boogie Preprocessor took 136.86 ms. Allocated memory is still 134.2 MB. Free memory was 94.5 MB in the beginning and 85.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:34:02,099 INFO L168 Benchmark]: RCFGBuilder took 1675.67 ms. Allocated memory is still 134.2 MB. Free memory was 85.7 MB in the beginning and 69.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 53.6 MB. Max. memory is 16.1 GB. [2021-11-07 08:34:02,100 INFO L168 Benchmark]: TraceAbstraction took 24312.73 ms. Allocated memory was 134.2 MB in the beginning and 467.7 MB in the end (delta: 333.4 MB). Free memory was 69.0 MB in the beginning and 354.3 MB in the end (delta: -285.3 MB). Peak memory consumption was 202.0 MB. Max. memory is 16.1 GB. [2021-11-07 08:34:02,100 INFO L168 Benchmark]: Witness Printer took 239.89 ms. Allocated memory is still 467.7 MB. Free memory was 354.3 MB in the beginning and 329.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-11-07 08:34:02,107 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory is still 55.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 936.14 ms. Allocated memory is still 100.7 MB. Free memory was 64.9 MB in the beginning and 42.9 MB in the end (delta: 21.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 240.00 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 42.5 MB in the beginning and 94.5 MB in the end (delta: -52.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 136.86 ms. Allocated memory is still 134.2 MB. Free memory was 94.5 MB in the beginning and 85.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1675.67 ms. Allocated memory is still 134.2 MB. Free memory was 85.7 MB in the beginning and 69.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 53.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24312.73 ms. Allocated memory was 134.2 MB in the beginning and 467.7 MB in the end (delta: 333.4 MB). Free memory was 69.0 MB in the beginning and 354.3 MB in the end (delta: -285.3 MB). Peak memory consumption was 202.0 MB. Max. memory is 16.1 GB. * Witness Printer took 239.89 ms. Allocated memory is still 467.7 MB. Free memory was 354.3 MB in the beginning and 329.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * 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: 85]: 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: 24.2s, OverallIterations: 15, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 16.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2650 SDtfs, 2689 SDslu, 365 SDs, 0 SdLazy, 9541 SolverSat, 1903 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 255 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12756occurred in iteration=13, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 7438 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 175 NumberOfFragments, 393 HoareAnnotationTreeSize, 3 FomulaSimplifications, 6366 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1470 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 4353 NumberOfCodeBlocks, 4353 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4337 ConstructedInterpolants, 0 QuantifiedInterpolants, 9771 SizeOfPredicates, 0 NumberOfNonLiveVariables, 336 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 16 InterpolantComputations, 15 PerfectInterpolantSequences, 4756/4772 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: (((((((((((((((((a4 == 0 && a29 + 22 <= 0) && 0 < a23 + 43) && a23 <= 312) || (((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 312)) || ((((a4 == 0 && 0 < a23 + 43) && a25 <= 10) && a29 <= 599998) && a23 <= 312)) || ((a25 == 11 && a29 <= 274) && a4 == 1)) || ((a25 == 11 && 0 < a23 + 43) && a4 == 1)) || ((0 < a23 + 43 && a4 == 1) && a23 <= 312)) || ((a23 + 599772 <= 0 && a4 == 1) && 13 <= a25)) || ((a4 == 0 && a29 + 22 <= 0) && a25 <= 10)) || ((((245 < a29 && a4 == 0) && a25 <= 10) && a29 <= 599998) && a23 <= 312)) || (a29 + 21 <= 0 && a4 == 1)) || ((a25 == 12 && a4 == 0) && a29 <= 599998)) || ((0 < a23 + 43 && a29 <= 599998) && a4 == 1)) || (a25 <= 10 && a4 == 1)) || ((a29 <= 274 && a4 == 1) && 13 <= a25)) || (((245 < a29 && a4 == 0) && a29 <= 274) && a23 <= 312)) || ((0 < a23 + 43 && a4 == 1) && 13 <= a25) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((a4 == 0 && a29 + 22 <= 0) && 0 < a23 + 43) && a23 <= 312) || (((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 312)) || ((((a4 == 0 && 0 < a23 + 43) && a25 <= 10) && a29 <= 599998) && a23 <= 312)) || ((a25 == 11 && a29 <= 274) && a4 == 1)) || ((a25 == 11 && 0 < a23 + 43) && a4 == 1)) || ((0 < a23 + 43 && a4 == 1) && a23 <= 312)) || ((a23 + 599772 <= 0 && a4 == 1) && 13 <= a25)) || ((a4 == 0 && a29 + 22 <= 0) && a25 <= 10)) || ((((245 < a29 && a4 == 0) && a25 <= 10) && a29 <= 599998) && a23 <= 312)) || (a29 + 21 <= 0 && a4 == 1)) || ((a25 == 12 && a4 == 0) && a29 <= 599998)) || ((0 < a23 + 43 && a29 <= 599998) && a4 == 1)) || (a25 <= 10 && a4 == 1)) || ((a29 <= 274 && a4 == 1) && 13 <= a25)) || (((245 < a29 && a4 == 0) && a29 <= 274) && a23 <= 312)) || ((0 < a23 + 43 && a4 == 1) && 13 <= a25) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-07 08:34:02,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8983786c-7507-463c-aad0-421014302972/bin/uautomizer-AkOaLMaTGY/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