./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label17.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_a7396afe-3426-4d69-8c22-bc0cb5744452/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7396afe-3426-4d69-8c22-bc0cb5744452/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_a7396afe-3426-4d69-8c22-bc0cb5744452/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7396afe-3426-4d69-8c22-bc0cb5744452/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7396afe-3426-4d69-8c22-bc0cb5744452/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_a7396afe-3426-4d69-8c22-bc0cb5744452/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 c12284a0b0818e5553c135263b83926be59cee67b7fc82977d08837b834dc791 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 07:22:03,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 07:22:03,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 07:22:03,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 07:22:03,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 07:22:03,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 07:22:03,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 07:22:03,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 07:22:03,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 07:22:03,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 07:22:03,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 07:22:03,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 07:22:03,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 07:22:03,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 07:22:03,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 07:22:03,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 07:22:03,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 07:22:03,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 07:22:03,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 07:22:03,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 07:22:03,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 07:22:03,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 07:22:03,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 07:22:03,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 07:22:03,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 07:22:03,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 07:22:03,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 07:22:03,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 07:22:03,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 07:22:03,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 07:22:03,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 07:22:03,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 07:22:03,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 07:22:03,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 07:22:03,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 07:22:03,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 07:22:03,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 07:22:03,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 07:22:03,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 07:22:03,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 07:22:03,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 07:22:03,489 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7396afe-3426-4d69-8c22-bc0cb5744452/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 07:22:03,530 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 07:22:03,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 07:22:03,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 07:22:03,531 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 07:22:03,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 07:22:03,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 07:22:03,532 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 07:22:03,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 07:22:03,533 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 07:22:03,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 07:22:03,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 07:22:03,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 07:22:03,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 07:22:03,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 07:22:03,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 07:22:03,534 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 07:22:03,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 07:22:03,535 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 07:22:03,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 07:22:03,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 07:22:03,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 07:22:03,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 07:22:03,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 07:22:03,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 07:22:03,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 07:22:03,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 07:22:03,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 07:22:03,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 07:22:03,537 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 07:22:03,538 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 07:22:03,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 07:22:03,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 07:22:03,538 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_a7396afe-3426-4d69-8c22-bc0cb5744452/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7396afe-3426-4d69-8c22-bc0cb5744452/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12284a0b0818e5553c135263b83926be59cee67b7fc82977d08837b834dc791 [2021-11-07 07:22:03,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 07:22:03,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 07:22:03,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 07:22:03,849 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 07:22:03,850 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 07:22:03,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7396afe-3426-4d69-8c22-bc0cb5744452/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/eca-rers2012/Problem10_label17.c [2021-11-07 07:22:03,929 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7396afe-3426-4d69-8c22-bc0cb5744452/bin/uautomizer-AkOaLMaTGY/data/0697d50bb/e24314dd521541cf9be4812f2a27dd8a/FLAG268b3f804 [2021-11-07 07:22:04,482 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 07:22:04,483 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7396afe-3426-4d69-8c22-bc0cb5744452/sv-benchmarks/c/eca-rers2012/Problem10_label17.c [2021-11-07 07:22:04,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7396afe-3426-4d69-8c22-bc0cb5744452/bin/uautomizer-AkOaLMaTGY/data/0697d50bb/e24314dd521541cf9be4812f2a27dd8a/FLAG268b3f804 [2021-11-07 07:22:04,937 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7396afe-3426-4d69-8c22-bc0cb5744452/bin/uautomizer-AkOaLMaTGY/data/0697d50bb/e24314dd521541cf9be4812f2a27dd8a [2021-11-07 07:22:04,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 07:22:04,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 07:22:04,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 07:22:04,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 07:22:04,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 07:22:04,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:22:04" (1/1) ... [2021-11-07 07:22:04,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cffb710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:04, skipping insertion in model container [2021-11-07 07:22:04,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:22:04" (1/1) ... [2021-11-07 07:22:04,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 07:22:05,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 07:22:05,232 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_a7396afe-3426-4d69-8c22-bc0cb5744452/sv-benchmarks/c/eca-rers2012/Problem10_label17.c[3604,3617] [2021-11-07 07:22:05,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:22:05,430 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 07:22:05,458 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_a7396afe-3426-4d69-8c22-bc0cb5744452/sv-benchmarks/c/eca-rers2012/Problem10_label17.c[3604,3617] [2021-11-07 07:22:05,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:22:05,613 INFO L208 MainTranslator]: Completed translation [2021-11-07 07:22:05,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:05 WrapperNode [2021-11-07 07:22:05,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 07:22:05,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 07:22:05,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 07:22:05,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 07:22:05,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:05" (1/1) ... [2021-11-07 07:22:05,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:05" (1/1) ... [2021-11-07 07:22:05,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 07:22:05,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 07:22:05,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 07:22:05,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 07:22:05,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:05" (1/1) ... [2021-11-07 07:22:05,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:05" (1/1) ... [2021-11-07 07:22:05,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:05" (1/1) ... [2021-11-07 07:22:05,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:05" (1/1) ... [2021-11-07 07:22:05,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:05" (1/1) ... [2021-11-07 07:22:05,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:05" (1/1) ... [2021-11-07 07:22:05,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:05" (1/1) ... [2021-11-07 07:22:05,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 07:22:05,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 07:22:05,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 07:22:05,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 07:22:05,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:05" (1/1) ... [2021-11-07 07:22:05,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 07:22:05,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7396afe-3426-4d69-8c22-bc0cb5744452/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:22:05,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7396afe-3426-4d69-8c22-bc0cb5744452/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 07:22:05,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7396afe-3426-4d69-8c22-bc0cb5744452/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 07:22:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 07:22:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 07:22:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 07:22:05,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 07:22:07,175 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 07:22:07,175 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-07 07:22:07,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:22:07 BoogieIcfgContainer [2021-11-07 07:22:07,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 07:22:07,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 07:22:07,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 07:22:07,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 07:22:07,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:22:04" (1/3) ... [2021-11-07 07:22:07,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29588407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:22:07, skipping insertion in model container [2021-11-07 07:22:07,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:05" (2/3) ... [2021-11-07 07:22:07,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29588407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:22:07, skipping insertion in model container [2021-11-07 07:22:07,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:22:07" (3/3) ... [2021-11-07 07:22:07,186 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label17.c [2021-11-07 07:22:07,191 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 07:22:07,192 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 07:22:07,242 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 07:22:07,249 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 07:22:07,249 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 07:22:07,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 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 07:22:07,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-07 07:22:07,278 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:07,278 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, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:22:07,279 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:07,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:07,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1722039382, now seen corresponding path program 1 times [2021-11-07 07:22:07,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:07,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625063569] [2021-11-07 07:22:07,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:07,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:07,507 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 07:22:07,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:07,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625063569] [2021-11-07 07:22:07,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625063569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:07,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:22:07,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 07:22:07,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715027925] [2021-11-07 07:22:07,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:22:07,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:07,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:22:07,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:07,532 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 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 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 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 07:22:08,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:08,420 INFO L93 Difference]: Finished difference Result 567 states and 981 transitions. [2021-11-07 07:22:08,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:22:08,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-07 07:22:08,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:08,434 INFO L225 Difference]: With dead ends: 567 [2021-11-07 07:22:08,435 INFO L226 Difference]: Without dead ends: 282 [2021-11-07 07:22:08,442 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 07:22:08,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-11-07 07:22:08,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-11-07 07:22:08,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.4661921708185053) internal successors, (412), 281 states have internal predecessors, (412), 0 states have call successors, (0), 0 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 07:22:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2021-11-07 07:22:08,526 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 30 [2021-11-07 07:22:08,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:08,526 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2021-11-07 07:22:08,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 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 07:22:08,527 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2021-11-07 07:22:08,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-07 07:22:08,531 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:08,531 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:22:08,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 07:22:08,532 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:08,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:08,538 INFO L85 PathProgramCache]: Analyzing trace with hash -504801396, now seen corresponding path program 1 times [2021-11-07 07:22:08,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:08,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593769288] [2021-11-07 07:22:08,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:08,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:22:08,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:08,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593769288] [2021-11-07 07:22:08,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593769288] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:08,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:22:08,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 07:22:08,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950762328] [2021-11-07 07:22:08,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:22:08,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:08,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:22:08,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:08,777 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 0 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 07:22:09,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:09,339 INFO L93 Difference]: Finished difference Result 840 states and 1231 transitions. [2021-11-07 07:22:09,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:22:09,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2021-11-07 07:22:09,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:09,344 INFO L225 Difference]: With dead ends: 840 [2021-11-07 07:22:09,344 INFO L226 Difference]: Without dead ends: 560 [2021-11-07 07:22:09,345 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 07:22:09,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-11-07 07:22:09,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-11-07 07:22:09,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.3059033989266546) internal successors, (730), 559 states have internal predecessors, (730), 0 states have call successors, (0), 0 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 07:22:09,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2021-11-07 07:22:09,396 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 100 [2021-11-07 07:22:09,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:09,397 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2021-11-07 07:22:09,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 0 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 07:22:09,398 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2021-11-07 07:22:09,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-07 07:22:09,402 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:09,403 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:22:09,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 07:22:09,403 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:09,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:09,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1231744932, now seen corresponding path program 1 times [2021-11-07 07:22:09,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:09,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426094194] [2021-11-07 07:22:09,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:09,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:09,520 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:22:09,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:09,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426094194] [2021-11-07 07:22:09,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426094194] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:09,526 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:22:09,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:22:09,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270569143] [2021-11-07 07:22:09,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:22:09,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:09,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:22:09,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:09,530 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:10,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:10,107 INFO L93 Difference]: Finished difference Result 979 states and 1299 transitions. [2021-11-07 07:22:10,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:22:10,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-11-07 07:22:10,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:10,115 INFO L225 Difference]: With dead ends: 979 [2021-11-07 07:22:10,115 INFO L226 Difference]: Without dead ends: 977 [2021-11-07 07:22:10,116 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 07:22:10,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-11-07 07:22:10,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 699. [2021-11-07 07:22:10,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.3524355300859598) internal successors, (944), 698 states have internal predecessors, (944), 0 states have call successors, (0), 0 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 07:22:10,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 944 transitions. [2021-11-07 07:22:10,138 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 944 transitions. Word has length 105 [2021-11-07 07:22:10,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:10,139 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 944 transitions. [2021-11-07 07:22:10,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:10,140 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 944 transitions. [2021-11-07 07:22:10,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-07 07:22:10,143 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:10,144 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:22:10,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 07:22:10,144 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:10,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:10,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1502208020, now seen corresponding path program 1 times [2021-11-07 07:22:10,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:10,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589321871] [2021-11-07 07:22:10,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:10,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:10,424 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:22:10,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:10,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589321871] [2021-11-07 07:22:10,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589321871] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:10,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:22:10,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:22:10,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736340368] [2021-11-07 07:22:10,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 07:22:10,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:10,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 07:22:10,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 07:22:10,434 INFO L87 Difference]: Start difference. First operand 699 states and 944 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 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 07:22:11,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:11,048 INFO L93 Difference]: Finished difference Result 1549 states and 2059 transitions. [2021-11-07 07:22:11,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 07:22:11,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2021-11-07 07:22:11,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:11,063 INFO L225 Difference]: With dead ends: 1549 [2021-11-07 07:22:11,063 INFO L226 Difference]: Without dead ends: 852 [2021-11-07 07:22:11,064 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 07:22:11,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2021-11-07 07:22:11,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 838. [2021-11-07 07:22:11,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2998805256869772) internal successors, (1088), 837 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:11,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1088 transitions. [2021-11-07 07:22:11,088 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1088 transitions. Word has length 148 [2021-11-07 07:22:11,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:11,089 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1088 transitions. [2021-11-07 07:22:11,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 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 07:22:11,089 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1088 transitions. [2021-11-07 07:22:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-07 07:22:11,092 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:11,092 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-07 07:22:11,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 07:22:11,093 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:11,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:11,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1083873138, now seen corresponding path program 1 times [2021-11-07 07:22:11,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:11,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333698739] [2021-11-07 07:22:11,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:11,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:22:11,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:11,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333698739] [2021-11-07 07:22:11,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333698739] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:11,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:22:11,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 07:22:11,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328580674] [2021-11-07 07:22:11,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 07:22:11,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:11,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 07:22:11,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 07:22:11,329 INFO L87 Difference]: Start difference. First operand 838 states and 1088 transitions. Second operand has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 6 states have internal predecessors, (183), 0 states have call successors, (0), 0 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 07:22:11,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:11,819 INFO L93 Difference]: Finished difference Result 1590 states and 2085 transitions. [2021-11-07 07:22:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 07:22:11,820 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 6 states have internal predecessors, (183), 0 states have call successors, (0), 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 183 [2021-11-07 07:22:11,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:11,825 INFO L225 Difference]: With dead ends: 1590 [2021-11-07 07:22:11,825 INFO L226 Difference]: Without dead ends: 838 [2021-11-07 07:22:11,826 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 07:22:11,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-11-07 07:22:11,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-11-07 07:22:11,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2927120669056154) internal successors, (1082), 837 states have internal predecessors, (1082), 0 states have call successors, (0), 0 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 07:22:11,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1082 transitions. [2021-11-07 07:22:11,850 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1082 transitions. Word has length 183 [2021-11-07 07:22:11,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:11,851 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1082 transitions. [2021-11-07 07:22:11,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 6 states have internal predecessors, (183), 0 states have call successors, (0), 0 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 07:22:11,851 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1082 transitions. [2021-11-07 07:22:11,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-07 07:22:11,854 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:11,855 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:22:11,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 07:22:11,855 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:11,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:11,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1462309372, now seen corresponding path program 1 times [2021-11-07 07:22:11,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:11,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045611214] [2021-11-07 07:22:11,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:11,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:11,957 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:22:11,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:11,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045611214] [2021-11-07 07:22:11,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045611214] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:11,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:22:11,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:22:11,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40109323] [2021-11-07 07:22:11,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:22:11,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:11,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:22:11,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:11,983 INFO L87 Difference]: Start difference. First operand 838 states and 1082 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 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 07:22:12,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:12,505 INFO L93 Difference]: Finished difference Result 1952 states and 2639 transitions. [2021-11-07 07:22:12,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:22:12,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 190 [2021-11-07 07:22:12,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:12,513 INFO L225 Difference]: With dead ends: 1952 [2021-11-07 07:22:12,513 INFO L226 Difference]: Without dead ends: 1255 [2021-11-07 07:22:12,514 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 07:22:12,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2021-11-07 07:22:12,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 838. [2021-11-07 07:22:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2819593787335724) internal successors, (1073), 837 states have internal predecessors, (1073), 0 states have call successors, (0), 0 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 07:22:12,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1073 transitions. [2021-11-07 07:22:12,538 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1073 transitions. Word has length 190 [2021-11-07 07:22:12,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:12,539 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1073 transitions. [2021-11-07 07:22:12,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 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 07:22:12,539 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1073 transitions. [2021-11-07 07:22:12,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-07 07:22:12,543 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:12,543 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-07 07:22:12,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 07:22:12,544 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:12,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:12,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1161377560, now seen corresponding path program 1 times [2021-11-07 07:22:12,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:12,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595128940] [2021-11-07 07:22:12,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:12,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:12,657 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:22:12,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:12,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595128940] [2021-11-07 07:22:12,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595128940] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:12,659 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:22:12,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:22:12,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553617301] [2021-11-07 07:22:12,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:22:12,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:12,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:22:12,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:12,661 INFO L87 Difference]: Start difference. First operand 838 states and 1073 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 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 07:22:13,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:13,219 INFO L93 Difference]: Finished difference Result 1952 states and 2621 transitions. [2021-11-07 07:22:13,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:22:13,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 219 [2021-11-07 07:22:13,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:13,227 INFO L225 Difference]: With dead ends: 1952 [2021-11-07 07:22:13,227 INFO L226 Difference]: Without dead ends: 1255 [2021-11-07 07:22:13,229 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 07:22:13,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2021-11-07 07:22:13,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2021-11-07 07:22:13,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.2609865470852017) internal successors, (1406), 1115 states have internal predecessors, (1406), 0 states have call successors, (0), 0 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 07:22:13,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1406 transitions. [2021-11-07 07:22:13,263 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1406 transitions. Word has length 219 [2021-11-07 07:22:13,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:13,263 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1406 transitions. [2021-11-07 07:22:13,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 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 07:22:13,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1406 transitions. [2021-11-07 07:22:13,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-07 07:22:13,271 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:13,271 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:22:13,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 07:22:13,272 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:13,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:13,272 INFO L85 PathProgramCache]: Analyzing trace with hash -565856959, now seen corresponding path program 1 times [2021-11-07 07:22:13,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:13,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094626293] [2021-11-07 07:22:13,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:13,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:13,477 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-11-07 07:22:13,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:13,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094626293] [2021-11-07 07:22:13,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094626293] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:13,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:22:13,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:22:13,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240213248] [2021-11-07 07:22:13,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:22:13,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:13,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:22:13,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:13,481 INFO L87 Difference]: Start difference. First operand 1116 states and 1406 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 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 07:22:14,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:14,012 INFO L93 Difference]: Finished difference Result 2367 states and 3072 transitions. [2021-11-07 07:22:14,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:22:14,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 329 [2021-11-07 07:22:14,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:14,014 INFO L225 Difference]: With dead ends: 2367 [2021-11-07 07:22:14,014 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 07:22:14,018 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 07:22:14,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 07:22:14,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 07:22:14,019 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 07:22:14,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 07:22:14,019 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 329 [2021-11-07 07:22:14,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:14,020 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 07:22:14,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 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 07:22:14,020 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 07:22:14,021 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 07:22:14,023 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 07:22:14,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 07:22:14,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 07:22:14,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 07:22:14,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 07:22:14,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 07:22:14,138 INFO L857 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2021-11-07 07:22:14,138 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-11-07 07:22:14,139 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-11-07 07:22:14,139 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-11-07 07:22:14,139 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-11-07 07:22:14,139 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-11-07 07:22:14,140 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,140 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,140 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,140 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,140 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,141 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,141 INFO L857 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-11-07 07:22:14,141 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-07 07:22:14,141 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-11-07 07:22:14,141 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-11-07 07:22:14,142 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-07 07:22:14,142 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-11-07 07:22:14,144 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-07 07:22:14,144 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-11-07 07:22:14,145 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-11-07 07:22:14,147 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-11-07 07:22:14,147 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-11-07 07:22:14,147 INFO L857 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-11-07 07:22:14,147 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-11-07 07:22:14,148 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,148 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,150 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,151 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,152 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,152 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,153 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-11-07 07:22:14,154 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-11-07 07:22:14,155 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-11-07 07:22:14,155 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-07 07:22:14,155 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-07 07:22:14,155 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-07 07:22:14,155 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-11-07 07:22:14,155 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-07 07:22:14,156 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-07 07:22:14,156 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-11-07 07:22:14,156 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-11-07 07:22:14,158 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-11-07 07:22:14,158 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,158 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,158 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,159 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,159 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,159 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,159 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-11-07 07:22:14,159 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-11-07 07:22:14,160 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-11-07 07:22:14,160 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-07 07:22:14,160 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-07 07:22:14,160 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-11-07 07:22:14,160 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-07 07:22:14,160 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-11-07 07:22:14,161 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-07 07:22:14,161 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-11-07 07:22:14,161 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-11-07 07:22:14,161 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-11-07 07:22:14,161 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-11-07 07:22:14,162 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,162 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,162 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,162 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,162 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,170 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,170 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-11-07 07:22:14,170 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-11-07 07:22:14,170 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-07 07:22:14,170 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-11-07 07:22:14,171 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-11-07 07:22:14,171 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-07 07:22:14,171 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-11-07 07:22:14,171 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-07 07:22:14,171 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-11-07 07:22:14,171 INFO L857 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-11-07 07:22:14,172 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-11-07 07:22:14,172 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,172 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,173 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,173 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,173 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,173 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-11-07 07:22:14,173 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-11-07 07:22:14,174 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-11-07 07:22:14,174 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-11-07 07:22:14,174 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-11-07 07:22:14,174 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-07 07:22:14,174 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-07 07:22:14,174 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-07 07:22:14,175 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-11-07 07:22:14,175 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-11-07 07:22:14,175 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-11-07 07:22:14,175 INFO L857 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-11-07 07:22:14,175 INFO L857 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-11-07 07:22:14,175 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-11-07 07:22:14,176 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,176 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,176 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,176 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,176 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,176 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-11-07 07:22:14,177 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 07:22:14,177 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-11-07 07:22:14,177 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-07 07:22:14,177 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-11-07 07:22:14,177 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-07 07:22:14,177 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-11-07 07:22:14,178 INFO L853 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= 8 ~a19~0) .cse0 .cse1) (and (= ~a10~0 3) .cse0 .cse1) (and .cse0 (= ~a10~0 2) .cse1) (and (<= ~a1~0 23) .cse0 .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2021-11-07 07:22:14,178 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-11-07 07:22:14,178 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-11-07 07:22:14,178 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-11-07 07:22:14,179 INFO L857 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-11-07 07:22:14,179 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,179 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,179 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,179 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,179 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,180 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-11-07 07:22:14,180 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-11-07 07:22:14,180 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-11-07 07:22:14,180 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-07 07:22:14,180 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-07 07:22:14,180 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-11-07 07:22:14,181 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-11-07 07:22:14,181 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-11-07 07:22:14,181 INFO L857 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-11-07 07:22:14,181 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-11-07 07:22:14,181 INFO L860 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-11-07 07:22:14,181 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-11-07 07:22:14,182 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-11-07 07:22:14,182 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-11-07 07:22:14,182 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 07:22:14,182 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,182 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,182 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,183 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,183 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,183 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-07 07:22:14,183 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-07 07:22:14,183 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-11-07 07:22:14,183 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-07 07:22:14,184 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-11-07 07:22:14,184 INFO L857 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-11-07 07:22:14,184 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-11-07 07:22:14,184 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-11-07 07:22:14,184 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-11-07 07:22:14,185 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,185 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,186 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,186 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,186 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 07:22:14,187 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,187 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-11-07 07:22:14,187 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-11-07 07:22:14,191 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-11-07 07:22:14,191 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-11-07 07:22:14,191 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-07 07:22:14,191 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-11-07 07:22:14,192 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-11-07 07:22:14,192 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-11-07 07:22:14,192 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-07 07:22:14,192 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-11-07 07:22:14,192 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-11-07 07:22:14,192 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-11-07 07:22:14,193 INFO L853 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= 8 ~a19~0) .cse0 .cse1) (and (= ~a10~0 3) .cse0 .cse1) (and .cse0 (= ~a10~0 2) .cse1) (and (<= ~a1~0 23) .cse0 .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2021-11-07 07:22:14,193 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-11-07 07:22:14,193 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,193 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,193 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,193 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,194 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-11-07 07:22:14,194 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,194 INFO L857 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,194 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-11-07 07:22:14,194 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-11-07 07:22:14,194 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-11-07 07:22:14,195 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-07 07:22:14,195 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-07 07:22:14,195 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-11-07 07:22:14,195 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-11-07 07:22:14,195 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-11-07 07:22:14,195 INFO L857 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-11-07 07:22:14,196 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 07:22:14,196 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 104) no Hoare annotation was computed. [2021-11-07 07:22:14,196 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-11-07 07:22:14,196 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-11-07 07:22:14,196 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-11-07 07:22:14,196 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-11-07 07:22:14,197 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,197 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,197 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,197 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,197 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,197 INFO L857 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-11-07 07:22:14,198 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-11-07 07:22:14,198 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-11-07 07:22:14,198 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-11-07 07:22:14,198 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-07 07:22:14,198 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-07 07:22:14,198 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-11-07 07:22:14,198 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-11-07 07:22:14,201 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-11-07 07:22:14,201 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-07 07:22:14,204 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:22:14,205 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 07:22:14,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:22:14 BoogieIcfgContainer [2021-11-07 07:22:14,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 07:22:14,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 07:22:14,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 07:22:14,226 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 07:22:14,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:22:07" (3/4) ... [2021-11-07 07:22:14,232 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 07:22:14,261 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-07 07:22:14,263 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 07:22:14,264 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 07:22:14,265 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 07:22:14,413 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7396afe-3426-4d69-8c22-bc0cb5744452/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 07:22:14,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 07:22:14,415 INFO L168 Benchmark]: Toolchain (without parser) took 9466.82 ms. Allocated memory was 102.8 MB in the beginning and 186.6 MB in the end (delta: 83.9 MB). Free memory was 57.5 MB in the beginning and 133.1 MB in the end (delta: -75.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-11-07 07:22:14,415 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 102.8 MB. Free memory was 76.4 MB in the beginning and 76.3 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 07:22:14,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.16 ms. Allocated memory is still 102.8 MB. Free memory was 57.3 MB in the beginning and 59.2 MB in the end (delta: -1.9 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-11-07 07:22:14,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.21 ms. Allocated memory is still 102.8 MB. Free memory was 59.2 MB in the beginning and 51.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 07:22:14,417 INFO L168 Benchmark]: Boogie Preprocessor took 115.40 ms. Allocated memory is still 102.8 MB. Free memory was 51.1 MB in the beginning and 46.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 07:22:14,417 INFO L168 Benchmark]: RCFGBuilder took 1316.31 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 46.4 MB in the beginning and 91.5 MB in the end (delta: -45.1 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2021-11-07 07:22:14,417 INFO L168 Benchmark]: TraceAbstraction took 7045.11 ms. Allocated memory was 123.7 MB in the beginning and 186.6 MB in the end (delta: 62.9 MB). Free memory was 91.5 MB in the beginning and 148.0 MB in the end (delta: -56.5 MB). Peak memory consumption was 108.3 MB. Max. memory is 16.1 GB. [2021-11-07 07:22:14,418 INFO L168 Benchmark]: Witness Printer took 187.86 ms. Allocated memory is still 186.6 MB. Free memory was 148.0 MB in the beginning and 133.1 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 07:22:14,420 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 102.8 MB. Free memory was 76.4 MB in the beginning and 76.3 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 664.16 ms. Allocated memory is still 102.8 MB. Free memory was 57.3 MB in the beginning and 59.2 MB in the end (delta: -1.9 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.21 ms. Allocated memory is still 102.8 MB. Free memory was 59.2 MB in the beginning and 51.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 115.40 ms. Allocated memory is still 102.8 MB. Free memory was 51.1 MB in the beginning and 46.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1316.31 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 46.4 MB in the beginning and 91.5 MB in the end (delta: -45.1 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7045.11 ms. Allocated memory was 123.7 MB in the beginning and 186.6 MB in the end (delta: 62.9 MB). Free memory was 91.5 MB in the beginning and 148.0 MB in the end (delta: -56.5 MB). Peak memory consumption was 108.3 MB. Max. memory is 16.1 GB. * Witness Printer took 187.86 ms. Allocated memory is still 186.6 MB. Free memory was 148.0 MB in the beginning and 133.1 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 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: 104]: 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, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 822 SDtfs, 925 SDslu, 47 SDs, 0 SdLazy, 3250 SolverSat, 568 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1116occurred in iteration=7, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 848 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 27 NumberOfFragments, 103 HoareAnnotationTreeSize, 3 FomulaSimplifications, 745 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1304 NumberOfCodeBlocks, 1304 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1296 ConstructedInterpolants, 0 QuantifiedInterpolants, 4755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 800/800 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: 592]: Loop Invariant Derived loop invariant: (((((8 <= a19 && 14 == a4) && a12 == 0) || ((a10 == 3 && 14 == a4) && a12 == 0)) || ((14 == a4 && a10 == 2) && a12 == 0)) || ((a1 <= 23 && 14 == a4) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((8 <= a19 && 14 == a4) && a12 == 0) || ((a10 == 3 && 14 == a4) && a12 == 0)) || ((14 == a4 && a10 == 2) && a12 == 0)) || ((a1 <= 23 && 14 == a4) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-07 07:22:14,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7396afe-3426-4d69-8c22-bc0cb5744452/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