./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg --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 94406c90b46fed2ba639405486e012fa4ad77124178cc3ef79a472c538020bbf ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:23:08,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:23:08,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:23:08,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:23:08,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:23:08,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:23:08,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:23:08,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:23:08,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:23:08,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:23:08,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:23:08,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:23:08,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:23:08,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:23:08,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:23:08,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:23:08,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:23:08,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:23:08,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:23:08,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:23:08,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:23:08,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:23:08,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:23:08,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:23:08,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:23:08,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:23:08,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:23:08,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:23:08,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:23:08,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:23:08,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:23:08,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:23:08,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:23:08,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:23:08,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:23:08,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:23:08,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:23:08,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:23:08,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:23:08,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:23:08,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:23:08,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:23:09,028 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:23:09,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:23:09,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:23:09,033 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:23:09,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:23:09,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:23:09,037 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:23:09,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:23:09,038 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:23:09,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:23:09,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:23:09,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:23:09,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:23:09,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:23:09,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:23:09,041 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:23:09,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:23:09,042 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:23:09,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:23:09,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:23:09,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:23:09,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:23:09,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:23:09,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:23:09,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:23:09,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:23:09,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:23:09,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:23:09,045 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:23:09,048 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:23:09,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:23:09,048 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:23:09,049 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_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94406c90b46fed2ba639405486e012fa4ad77124178cc3ef79a472c538020bbf [2021-10-28 09:23:09,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:23:09,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:23:09,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:23:09,409 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:23:09,410 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:23:09,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem16_label09.c [2021-10-28 09:23:09,525 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/data/7aee62e99/cd6f5f31e54b4a3596344623a10aab8e/FLAG39c7869a5 [2021-10-28 09:23:10,370 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:23:10,371 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/sv-benchmarks/c/eca-rers2012/Problem16_label09.c [2021-10-28 09:23:10,404 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/data/7aee62e99/cd6f5f31e54b4a3596344623a10aab8e/FLAG39c7869a5 [2021-10-28 09:23:10,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/data/7aee62e99/cd6f5f31e54b4a3596344623a10aab8e [2021-10-28 09:23:10,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:23:10,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:23:10,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:23:10,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:23:10,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:23:10,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:23:10" (1/1) ... [2021-10-28 09:23:10,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4ed585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:10, skipping insertion in model container [2021-10-28 09:23:10,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:23:10" (1/1) ... [2021-10-28 09:23:10,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:23:10,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:23:10,939 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_82aadc1e-01db-415c-b3ae-9822abfe21c6/sv-benchmarks/c/eca-rers2012/Problem16_label09.c[5013,5026] [2021-10-28 09:23:11,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:23:11,560 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:23:11,591 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_82aadc1e-01db-415c-b3ae-9822abfe21c6/sv-benchmarks/c/eca-rers2012/Problem16_label09.c[5013,5026] [2021-10-28 09:23:11,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:23:11,860 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:23:11,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:11 WrapperNode [2021-10-28 09:23:11,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:23:11,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:23:11,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:23:11,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:23:11,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:11" (1/1) ... [2021-10-28 09:23:11,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:11" (1/1) ... [2021-10-28 09:23:12,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:23:12,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:23:12,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:23:12,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:23:12,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:11" (1/1) ... [2021-10-28 09:23:12,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:11" (1/1) ... [2021-10-28 09:23:12,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:11" (1/1) ... [2021-10-28 09:23:12,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:11" (1/1) ... [2021-10-28 09:23:12,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:11" (1/1) ... [2021-10-28 09:23:12,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:11" (1/1) ... [2021-10-28 09:23:12,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:11" (1/1) ... [2021-10-28 09:23:12,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:23:12,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:23:12,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:23:12,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:23:12,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:11" (1/1) ... [2021-10-28 09:23:12,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:23:12,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:12,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:12,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:23:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:23:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:23:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:23:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:23:15,605 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:23:15,605 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 09:23:15,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:23:15 BoogieIcfgContainer [2021-10-28 09:23:15,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:23:15,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:23:15,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:23:15,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:23:15,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:23:10" (1/3) ... [2021-10-28 09:23:15,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b9d277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:23:15, skipping insertion in model container [2021-10-28 09:23:15,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:11" (2/3) ... [2021-10-28 09:23:15,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b9d277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:23:15, skipping insertion in model container [2021-10-28 09:23:15,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:23:15" (3/3) ... [2021-10-28 09:23:15,628 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label09.c [2021-10-28 09:23:15,635 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:23:15,635 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:23:15,729 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:23:15,744 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 [2021-10-28 09:23:15,744 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:23:15,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:15,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-28 09:23:15,800 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:15,801 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:15,802 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:15,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:15,809 INFO L85 PathProgramCache]: Analyzing trace with hash 433832817, now seen corresponding path program 1 times [2021-10-28 09:23:15,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:15,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70426662] [2021-10-28 09:23:15,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:15,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:16,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:23:16,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:16,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70426662] [2021-10-28 09:23:16,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70426662] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:16,257 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:23:16,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:23:16,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947199899] [2021-10-28 09:23:16,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:23:16,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:16,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:23:16,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:23:16,287 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 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 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:19,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:23:19,094 INFO L93 Difference]: Finished difference Result 1137 states and 2118 transitions. [2021-10-28 09:23:19,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:23:19,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2021-10-28 09:23:19,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:23:19,141 INFO L225 Difference]: With dead ends: 1137 [2021-10-28 09:23:19,144 INFO L226 Difference]: Without dead ends: 662 [2021-10-28 09:23:19,157 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 [2021-10-28 09:23:19,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-10-28 09:23:19,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-10-28 09:23:19,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.7004538577912254) internal successors, (1124), 661 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:19,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1124 transitions. [2021-10-28 09:23:19,286 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1124 transitions. Word has length 47 [2021-10-28 09:23:19,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:23:19,287 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1124 transitions. [2021-10-28 09:23:19,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1124 transitions. [2021-10-28 09:23:19,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-28 09:23:19,295 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:19,296 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:19,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:23:19,297 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:19,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:19,298 INFO L85 PathProgramCache]: Analyzing trace with hash 534923889, now seen corresponding path program 1 times [2021-10-28 09:23:19,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:19,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104075997] [2021-10-28 09:23:19,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:19,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:19,501 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:23:19,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:19,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104075997] [2021-10-28 09:23:19,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104075997] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:19,503 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:23:19,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:23:19,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193503997] [2021-10-28 09:23:19,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:23:19,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:19,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:23:19,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:23:19,510 INFO L87 Difference]: Start difference. First operand 662 states and 1124 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:21,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:23:21,578 INFO L93 Difference]: Finished difference Result 1980 states and 3367 transitions. [2021-10-28 09:23:21,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:23:21,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2021-10-28 09:23:21,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:23:21,590 INFO L225 Difference]: With dead ends: 1980 [2021-10-28 09:23:21,591 INFO L226 Difference]: Without dead ends: 1320 [2021-10-28 09:23:21,593 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 [2021-10-28 09:23:21,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-10-28 09:23:21,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-10-28 09:23:21,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.620166793025019) internal successors, (2137), 1319 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:21,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2137 transitions. [2021-10-28 09:23:21,658 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2137 transitions. Word has length 113 [2021-10-28 09:23:21,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:23:21,659 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 2137 transitions. [2021-10-28 09:23:21,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:21,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2137 transitions. [2021-10-28 09:23:21,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-28 09:23:21,663 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:21,663 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:21,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:23:21,664 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:21,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:21,665 INFO L85 PathProgramCache]: Analyzing trace with hash -56855631, now seen corresponding path program 1 times [2021-10-28 09:23:21,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:21,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230537198] [2021-10-28 09:23:21,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:21,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:21,818 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:23:21,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:21,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230537198] [2021-10-28 09:23:21,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230537198] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:21,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:23:21,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:23:21,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551185235] [2021-10-28 09:23:21,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:23:21,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:21,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:23:21,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:23:21,823 INFO L87 Difference]: Start difference. First operand 1320 states and 2137 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:23,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:23:23,777 INFO L93 Difference]: Finished difference Result 3296 states and 5285 transitions. [2021-10-28 09:23:23,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:23:23,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2021-10-28 09:23:23,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:23:23,795 INFO L225 Difference]: With dead ends: 3296 [2021-10-28 09:23:23,795 INFO L226 Difference]: Without dead ends: 1978 [2021-10-28 09:23:23,798 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 [2021-10-28 09:23:23,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2021-10-28 09:23:23,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2021-10-28 09:23:23,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.3323216995447649) internal successors, (2634), 1977 states have internal predecessors, (2634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:23,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2634 transitions. [2021-10-28 09:23:23,869 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2634 transitions. Word has length 114 [2021-10-28 09:23:23,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:23:23,873 INFO L470 AbstractCegarLoop]: Abstraction has 1978 states and 2634 transitions. [2021-10-28 09:23:23,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:23,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2634 transitions. [2021-10-28 09:23:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-10-28 09:23:23,883 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:23,884 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:23,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:23:23,885 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:23,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:23,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1498082601, now seen corresponding path program 1 times [2021-10-28 09:23:23,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:23,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689536063] [2021-10-28 09:23:23,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:23,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:24,165 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:23:24,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:24,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689536063] [2021-10-28 09:23:24,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689536063] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:24,172 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:23:24,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:23:24,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754829380] [2021-10-28 09:23:24,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:23:24,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:24,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:23:24,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:23:24,178 INFO L87 Difference]: Start difference. First operand 1978 states and 2634 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:26,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:23:26,315 INFO L93 Difference]: Finished difference Result 5928 states and 7897 transitions. [2021-10-28 09:23:26,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:23:26,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 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 206 [2021-10-28 09:23:26,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:23:26,345 INFO L225 Difference]: With dead ends: 5928 [2021-10-28 09:23:26,346 INFO L226 Difference]: Without dead ends: 3952 [2021-10-28 09:23:26,351 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 [2021-10-28 09:23:26,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-10-28 09:23:26,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-10-28 09:23:26,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.216400911161731) internal successors, (4806), 3951 states have internal predecessors, (4806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:26,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4806 transitions. [2021-10-28 09:23:26,504 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4806 transitions. Word has length 206 [2021-10-28 09:23:26,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:23:26,506 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4806 transitions. [2021-10-28 09:23:26,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:26,507 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4806 transitions. [2021-10-28 09:23:26,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-10-28 09:23:26,515 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:26,516 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:26,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:23:26,517 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:26,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:26,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1761150386, now seen corresponding path program 1 times [2021-10-28 09:23:26,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:26,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933785411] [2021-10-28 09:23:26,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:26,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:23:26,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:26,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933785411] [2021-10-28 09:23:26,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933785411] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:26,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:23:26,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:23:26,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663154610] [2021-10-28 09:23:26,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:23:26,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:26,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:23:26,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:23:26,937 INFO L87 Difference]: Start difference. First operand 3952 states and 4806 transitions. Second operand has 4 states, 4 states have (on average 73.0) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:29,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:23:29,142 INFO L93 Difference]: Finished difference Result 8269 states and 9989 transitions. [2021-10-28 09:23:29,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:23:29,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 292 [2021-10-28 09:23:29,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:23:29,173 INFO L225 Difference]: With dead ends: 8269 [2021-10-28 09:23:29,173 INFO L226 Difference]: Without dead ends: 4319 [2021-10-28 09:23:29,179 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 [2021-10-28 09:23:29,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4319 states. [2021-10-28 09:23:29,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4319 to 4281. [2021-10-28 09:23:29,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.2011682242990653) internal successors, (5141), 4280 states have internal predecessors, (5141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:29,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5141 transitions. [2021-10-28 09:23:29,313 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5141 transitions. Word has length 292 [2021-10-28 09:23:29,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:23:29,315 INFO L470 AbstractCegarLoop]: Abstraction has 4281 states and 5141 transitions. [2021-10-28 09:23:29,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:29,316 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5141 transitions. [2021-10-28 09:23:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2021-10-28 09:23:29,325 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:29,326 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:29,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:23:29,327 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:29,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:29,328 INFO L85 PathProgramCache]: Analyzing trace with hash -101934500, now seen corresponding path program 1 times [2021-10-28 09:23:29,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:29,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461895970] [2021-10-28 09:23:29,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:29,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:29,709 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:23:29,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:29,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461895970] [2021-10-28 09:23:29,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461895970] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:29,710 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:23:29,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:23:29,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730299103] [2021-10-28 09:23:29,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:23:29,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:29,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:23:29,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:23:29,719 INFO L87 Difference]: Start difference. First operand 4281 states and 5141 transitions. Second operand has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 6 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:31,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:23:31,869 INFO L93 Difference]: Finished difference Result 8090 states and 9792 transitions. [2021-10-28 09:23:31,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:23:31,870 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 6 states have internal predecessors, (379), 0 states have call successors, (0), 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 379 [2021-10-28 09:23:31,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:23:31,900 INFO L225 Difference]: With dead ends: 8090 [2021-10-28 09:23:31,901 INFO L226 Difference]: Without dead ends: 3952 [2021-10-28 09:23:31,907 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 [2021-10-28 09:23:31,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-10-28 09:23:31,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-10-28 09:23:32,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.0802328524424196) internal successors, (4268), 3951 states have internal predecessors, (4268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:32,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4268 transitions. [2021-10-28 09:23:32,020 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4268 transitions. Word has length 379 [2021-10-28 09:23:32,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:23:32,020 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4268 transitions. [2021-10-28 09:23:32,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 6 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:32,021 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4268 transitions. [2021-10-28 09:23:32,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-10-28 09:23:32,030 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:32,031 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:32,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:23:32,031 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:32,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:32,032 INFO L85 PathProgramCache]: Analyzing trace with hash -70581644, now seen corresponding path program 1 times [2021-10-28 09:23:32,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:32,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337169815] [2021-10-28 09:23:32,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:32,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:32,384 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-10-28 09:23:32,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:32,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337169815] [2021-10-28 09:23:32,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337169815] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:23:32,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11029485] [2021-10-28 09:23:32,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:32,386 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:23:32,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:32,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:23:32,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:23:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:32,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:23:32,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:23:34,188 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-10-28 09:23:34,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11029485] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:34,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:23:34,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-28 09:23:34,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433458656] [2021-10-28 09:23:34,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:23:34,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:34,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:23:34,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:23:34,193 INFO L87 Difference]: Start difference. First operand 3952 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:35,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:23:35,475 INFO L93 Difference]: Finished difference Result 4941 states and 5287 transitions. [2021-10-28 09:23:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:23:35,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 386 [2021-10-28 09:23:35,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:23:35,506 INFO L225 Difference]: With dead ends: 4941 [2021-10-28 09:23:35,507 INFO L226 Difference]: Without dead ends: 4939 [2021-10-28 09:23:35,509 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:23:35,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2021-10-28 09:23:35,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4281. [2021-10-28 09:23:35,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.0771028037383177) internal successors, (4610), 4280 states have internal predecessors, (4610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 4610 transitions. [2021-10-28 09:23:35,623 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 4610 transitions. Word has length 386 [2021-10-28 09:23:35,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:23:35,625 INFO L470 AbstractCegarLoop]: Abstraction has 4281 states and 4610 transitions. [2021-10-28 09:23:35,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:35,625 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 4610 transitions. [2021-10-28 09:23:35,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2021-10-28 09:23:35,643 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:35,644 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:35,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:35,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:23:35,870 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:35,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:35,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1502235120, now seen corresponding path program 1 times [2021-10-28 09:23:35,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:35,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625258996] [2021-10-28 09:23:35,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:35,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:36,208 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 567 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-10-28 09:23:36,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:36,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625258996] [2021-10-28 09:23:36,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625258996] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:36,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:23:36,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:23:36,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145573689] [2021-10-28 09:23:36,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:23:36,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:36,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:23:36,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:23:36,213 INFO L87 Difference]: Start difference. First operand 4281 states and 4610 transitions. Second operand has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:38,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:23:38,557 INFO L93 Difference]: Finished difference Result 12179 states and 13189 transitions. [2021-10-28 09:23:38,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:23:38,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 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 585 [2021-10-28 09:23:38,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:23:38,620 INFO L225 Difference]: With dead ends: 12179 [2021-10-28 09:23:38,621 INFO L226 Difference]: Without dead ends: 8229 [2021-10-28 09:23:38,628 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:23:38,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2021-10-28 09:23:38,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 7900. [2021-10-28 09:23:38,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 7899 states have (on average 1.0724142296493226) internal successors, (8471), 7899 states have internal predecessors, (8471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:38,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8471 transitions. [2021-10-28 09:23:38,947 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8471 transitions. Word has length 585 [2021-10-28 09:23:38,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:23:38,949 INFO L470 AbstractCegarLoop]: Abstraction has 7900 states and 8471 transitions. [2021-10-28 09:23:38,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:38,950 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8471 transitions. [2021-10-28 09:23:38,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2021-10-28 09:23:38,985 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:38,986 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:38,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:23:38,986 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:38,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:38,987 INFO L85 PathProgramCache]: Analyzing trace with hash -901361519, now seen corresponding path program 1 times [2021-10-28 09:23:38,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:38,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283583507] [2021-10-28 09:23:38,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:38,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1123 backedges. 871 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-10-28 09:23:39,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:39,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283583507] [2021-10-28 09:23:39,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283583507] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:39,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:23:39,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:23:39,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631128116] [2021-10-28 09:23:39,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:23:39,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:39,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:23:39,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:23:39,352 INFO L87 Difference]: Start difference. First operand 7900 states and 8471 transitions. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:40,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:23:40,851 INFO L93 Difference]: Finished difference Result 18430 states and 19933 transitions. [2021-10-28 09:23:40,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:23:40,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 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 689 [2021-10-28 09:23:40,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:23:40,876 INFO L225 Difference]: With dead ends: 18430 [2021-10-28 09:23:40,876 INFO L226 Difference]: Without dead ends: 11190 [2021-10-28 09:23:40,885 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 [2021-10-28 09:23:40,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states. [2021-10-28 09:23:41,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 11190. [2021-10-28 09:23:41,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11190 states, 11189 states have (on average 1.0761462150326213) internal successors, (12041), 11189 states have internal predecessors, (12041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:41,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11190 states to 11190 states and 12041 transitions. [2021-10-28 09:23:41,120 INFO L78 Accepts]: Start accepts. Automaton has 11190 states and 12041 transitions. Word has length 689 [2021-10-28 09:23:41,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:23:41,122 INFO L470 AbstractCegarLoop]: Abstraction has 11190 states and 12041 transitions. [2021-10-28 09:23:41,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:41,122 INFO L276 IsEmpty]: Start isEmpty. Operand 11190 states and 12041 transitions. [2021-10-28 09:23:41,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2021-10-28 09:23:41,141 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:41,142 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:41,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:23:41,143 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:41,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:41,144 INFO L85 PathProgramCache]: Analyzing trace with hash 808963991, now seen corresponding path program 1 times [2021-10-28 09:23:41,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:41,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459546255] [2021-10-28 09:23:41,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:41,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:41,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 978 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2021-10-28 09:23:41,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:41,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459546255] [2021-10-28 09:23:41,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459546255] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:41,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:23:41,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:23:41,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454740822] [2021-10-28 09:23:41,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:23:41,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:41,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:23:41,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:23:41,718 INFO L87 Difference]: Start difference. First operand 11190 states and 12041 transitions. Second operand has 4 states, 4 states have (on average 131.0) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:43,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:23:43,401 INFO L93 Difference]: Finished difference Result 21720 states and 23413 transitions. [2021-10-28 09:23:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:23:43,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 131.0) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 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 808 [2021-10-28 09:23:43,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:23:43,428 INFO L225 Difference]: With dead ends: 21720 [2021-10-28 09:23:43,428 INFO L226 Difference]: Without dead ends: 11190 [2021-10-28 09:23:43,443 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:23:43,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states. [2021-10-28 09:23:43,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 11190. [2021-10-28 09:23:43,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11190 states, 11189 states have (on average 1.0758780945571544) internal successors, (12038), 11189 states have internal predecessors, (12038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:43,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11190 states to 11190 states and 12038 transitions. [2021-10-28 09:23:43,760 INFO L78 Accepts]: Start accepts. Automaton has 11190 states and 12038 transitions. Word has length 808 [2021-10-28 09:23:43,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:23:43,761 INFO L470 AbstractCegarLoop]: Abstraction has 11190 states and 12038 transitions. [2021-10-28 09:23:43,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 131.0) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:43,762 INFO L276 IsEmpty]: Start isEmpty. Operand 11190 states and 12038 transitions. [2021-10-28 09:23:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2021-10-28 09:23:43,782 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:43,783 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:43,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:23:43,783 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:43,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:43,784 INFO L85 PathProgramCache]: Analyzing trace with hash -766008283, now seen corresponding path program 1 times [2021-10-28 09:23:43,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:43,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900830223] [2021-10-28 09:23:43,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:43,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:44,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1659 backedges. 953 proven. 0 refuted. 0 times theorem prover too weak. 706 trivial. 0 not checked. [2021-10-28 09:23:44,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:44,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900830223] [2021-10-28 09:23:44,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900830223] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:44,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:23:44,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:23:44,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203410010] [2021-10-28 09:23:44,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:23:44,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:44,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:23:44,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:23:44,382 INFO L87 Difference]: Start difference. First operand 11190 states and 12038 transitions. Second operand has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:45,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:23:45,854 INFO L93 Difference]: Finished difference Result 24352 states and 26363 transitions. [2021-10-28 09:23:45,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:23:45,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 869 [2021-10-28 09:23:45,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:23:45,895 INFO L225 Difference]: With dead ends: 24352 [2021-10-28 09:23:45,895 INFO L226 Difference]: Without dead ends: 13822 [2021-10-28 09:23:45,912 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 [2021-10-28 09:23:45,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-10-28 09:23:46,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13164. [2021-10-28 09:23:46,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0656385322494872) internal successors, (14027), 13163 states have internal predecessors, (14027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:46,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 14027 transitions. [2021-10-28 09:23:46,285 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 14027 transitions. Word has length 869 [2021-10-28 09:23:46,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:23:46,287 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 14027 transitions. [2021-10-28 09:23:46,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:46,288 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 14027 transitions. [2021-10-28 09:23:46,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 871 [2021-10-28 09:23:46,313 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:46,314 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:46,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 09:23:46,315 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:46,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:46,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1485338972, now seen corresponding path program 1 times [2021-10-28 09:23:46,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:46,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283490589] [2021-10-28 09:23:46,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:46,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1664 backedges. 602 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-10-28 09:23:46,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:46,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283490589] [2021-10-28 09:23:46,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283490589] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:46,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:23:46,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:23:46,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28819599] [2021-10-28 09:23:46,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:23:46,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:46,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:23:46,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:23:46,754 INFO L87 Difference]: Start difference. First operand 13164 states and 14027 transitions. Second operand has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:48,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:23:48,015 INFO L93 Difference]: Finished difference Result 30603 states and 32692 transitions. [2021-10-28 09:23:48,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:23:48,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 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 870 [2021-10-28 09:23:48,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:23:48,062 INFO L225 Difference]: With dead ends: 30603 [2021-10-28 09:23:48,062 INFO L226 Difference]: Without dead ends: 16783 [2021-10-28 09:23:48,080 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 [2021-10-28 09:23:48,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-10-28 09:23:48,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16454. [2021-10-28 09:23:48,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.0502643894730443) internal successors, (17280), 16453 states have internal predecessors, (17280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:48,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 17280 transitions. [2021-10-28 09:23:48,362 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 17280 transitions. Word has length 870 [2021-10-28 09:23:48,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:23:48,363 INFO L470 AbstractCegarLoop]: Abstraction has 16454 states and 17280 transitions. [2021-10-28 09:23:48,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:48,364 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 17280 transitions. [2021-10-28 09:23:48,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2021-10-28 09:23:48,461 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:48,462 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:48,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 09:23:48,462 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:48,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:48,463 INFO L85 PathProgramCache]: Analyzing trace with hash 613983290, now seen corresponding path program 1 times [2021-10-28 09:23:48,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:48,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956102608] [2021-10-28 09:23:48,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:48,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:48,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 650 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-10-28 09:23:48,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:48,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956102608] [2021-10-28 09:23:48,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956102608] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:48,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:23:48,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:23:48,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089148779] [2021-10-28 09:23:48,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:23:48,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:48,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:23:48,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:23:48,915 INFO L87 Difference]: Start difference. First operand 16454 states and 17280 transitions. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:50,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:23:50,471 INFO L93 Difference]: Finished difference Result 33564 states and 35286 transitions. [2021-10-28 09:23:50,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:23:50,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 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 882 [2021-10-28 09:23:50,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:23:50,513 INFO L225 Difference]: With dead ends: 33564 [2021-10-28 09:23:50,513 INFO L226 Difference]: Without dead ends: 17770 [2021-10-28 09:23:50,526 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 [2021-10-28 09:23:50,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-10-28 09:23:50,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 17112. [2021-10-28 09:23:50,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0424872888784993) internal successors, (17838), 17111 states have internal predecessors, (17838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:50,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17838 transitions. [2021-10-28 09:23:50,889 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17838 transitions. Word has length 882 [2021-10-28 09:23:50,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:23:50,891 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17838 transitions. [2021-10-28 09:23:50,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:50,892 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17838 transitions. [2021-10-28 09:23:50,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2021-10-28 09:23:50,920 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:50,921 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:50,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 09:23:50,922 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:50,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:50,923 INFO L85 PathProgramCache]: Analyzing trace with hash 460822706, now seen corresponding path program 1 times [2021-10-28 09:23:50,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:50,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346452611] [2021-10-28 09:23:50,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:50,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2021-10-28 09:23:51,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:51,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346452611] [2021-10-28 09:23:51,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346452611] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:51,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:23:51,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:23:51,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992180995] [2021-10-28 09:23:51,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:23:51,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:51,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:23:51,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:23:51,530 INFO L87 Difference]: Start difference. First operand 17112 states and 17838 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:52,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:23:52,746 INFO L93 Difference]: Finished difference Result 33564 states and 35010 transitions. [2021-10-28 09:23:52,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:23:52,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 896 [2021-10-28 09:23:52,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:23:52,778 INFO L225 Difference]: With dead ends: 33564 [2021-10-28 09:23:52,778 INFO L226 Difference]: Without dead ends: 17112 [2021-10-28 09:23:52,789 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 [2021-10-28 09:23:52,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-10-28 09:23:53,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 16783. [2021-10-28 09:23:53,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0377189846263855) internal successors, (17415), 16782 states have internal predecessors, (17415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:53,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17415 transitions. [2021-10-28 09:23:53,053 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17415 transitions. Word has length 896 [2021-10-28 09:23:53,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:23:53,055 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17415 transitions. [2021-10-28 09:23:53,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:53,056 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17415 transitions. [2021-10-28 09:23:53,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1224 [2021-10-28 09:23:53,185 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:53,186 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:53,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 09:23:53,187 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:53,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:53,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1392589201, now seen corresponding path program 1 times [2021-10-28 09:23:53,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:53,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401646348] [2021-10-28 09:23:53,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:53,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3244 backedges. 832 proven. 0 refuted. 0 times theorem prover too weak. 2412 trivial. 0 not checked. [2021-10-28 09:23:53,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:53,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401646348] [2021-10-28 09:23:53,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401646348] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:53,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:23:53,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:23:53,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648064180] [2021-10-28 09:23:53,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:23:53,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:53,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:23:53,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:23:53,818 INFO L87 Difference]: Start difference. First operand 16783 states and 17415 transitions. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:55,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:23:55,048 INFO L93 Difference]: Finished difference Result 35538 states and 36961 transitions. [2021-10-28 09:23:55,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:23:55,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 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 1223 [2021-10-28 09:23:55,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:23:55,157 INFO L225 Difference]: With dead ends: 35538 [2021-10-28 09:23:55,160 INFO L226 Difference]: Without dead ends: 17112 [2021-10-28 09:23:55,166 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 [2021-10-28 09:23:55,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-10-28 09:23:55,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 17112. [2021-10-28 09:23:55,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0329612529951493) internal successors, (17675), 17111 states have internal predecessors, (17675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:55,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17675 transitions. [2021-10-28 09:23:55,410 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17675 transitions. Word has length 1223 [2021-10-28 09:23:55,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:23:55,412 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17675 transitions. [2021-10-28 09:23:55,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:55,413 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17675 transitions. [2021-10-28 09:23:55,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1356 [2021-10-28 09:23:55,454 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:55,455 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:23:55,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 09:23:55,456 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:55,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:55,457 INFO L85 PathProgramCache]: Analyzing trace with hash -90338572, now seen corresponding path program 1 times [2021-10-28 09:23:55,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:55,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007430205] [2021-10-28 09:23:55,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:55,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:56,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4274 backedges. 2876 proven. 0 refuted. 0 times theorem prover too weak. 1398 trivial. 0 not checked. [2021-10-28 09:23:56,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:56,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007430205] [2021-10-28 09:23:56,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007430205] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:56,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:23:56,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:23:56,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170995797] [2021-10-28 09:23:56,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:23:56,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:56,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:23:56,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:23:56,208 INFO L87 Difference]: Start difference. First operand 17112 states and 17675 transitions. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:57,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:23:57,453 INFO L93 Difference]: Finished difference Result 33893 states and 35014 transitions. [2021-10-28 09:23:57,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:23:57,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 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 1355 [2021-10-28 09:23:57,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:23:57,482 INFO L225 Difference]: With dead ends: 33893 [2021-10-28 09:23:57,482 INFO L226 Difference]: Without dead ends: 17112 [2021-10-28 09:23:57,495 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 [2021-10-28 09:23:57,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-10-28 09:23:57,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 16783. [2021-10-28 09:23:57,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0267548563937552) internal successors, (17231), 16782 states have internal predecessors, (17231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:57,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17231 transitions. [2021-10-28 09:23:57,848 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17231 transitions. Word has length 1355 [2021-10-28 09:23:57,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:23:57,850 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17231 transitions. [2021-10-28 09:23:57,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:57,850 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17231 transitions. [2021-10-28 09:23:57,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1366 [2021-10-28 09:23:57,881 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:23:57,882 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-10-28 09:23:57,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 09:23:57,883 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:23:57,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:57,884 INFO L85 PathProgramCache]: Analyzing trace with hash 889284322, now seen corresponding path program 1 times [2021-10-28 09:23:57,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:57,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719093651] [2021-10-28 09:23:57,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:57,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:58,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3411 backedges. 1624 proven. 0 refuted. 0 times theorem prover too weak. 1787 trivial. 0 not checked. [2021-10-28 09:23:58,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:23:58,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719093651] [2021-10-28 09:23:58,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719093651] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:23:58,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:23:58,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:23:58,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649980623] [2021-10-28 09:23:58,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:23:58,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:23:58,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:23:58,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:23:58,951 INFO L87 Difference]: Start difference. First operand 16783 states and 17231 transitions. Second operand has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:24:00,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:24:00,092 INFO L93 Difference]: Finished difference Result 33233 states and 34128 transitions. [2021-10-28 09:24:00,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:24:00,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 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 1365 [2021-10-28 09:24:00,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:24:00,095 INFO L225 Difference]: With dead ends: 33233 [2021-10-28 09:24:00,095 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:24:00,107 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 [2021-10-28 09:24:00,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:24:00,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:24:00,108 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) [2021-10-28 09:24:00,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:24:00,109 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1365 [2021-10-28 09:24:00,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:24:00,109 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:24:00,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:24:00,110 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:24:00,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:24:00,113 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:24:00,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 09:24:00,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:24:00,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:24:00,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:24:00,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:24:00,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:24:01,930 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,930 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,930 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,931 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,931 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,931 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,931 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,931 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,932 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,932 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,932 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,932 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,932 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,933 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,933 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,933 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-28 09:24:01,933 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-28 09:24:01,933 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-28 09:24:01,934 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,934 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,934 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,934 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,934 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,935 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,935 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,935 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,935 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,935 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,936 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,936 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,936 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,936 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,937 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,938 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,938 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,938 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,939 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-28 09:24:01,939 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-28 09:24:01,939 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-28 09:24:01,939 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,939 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,940 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,940 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,940 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,940 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,940 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,941 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,941 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,941 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,941 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-28 09:24:01,941 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-28 09:24:01,942 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-28 09:24:01,942 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,942 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,942 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,942 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,942 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,943 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,943 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,943 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,943 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,944 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,944 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,944 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,944 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,944 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,944 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,945 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,945 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,945 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,945 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,945 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-28 09:24:01,946 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,946 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-28 09:24:01,946 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-28 09:24:01,947 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse15 (+ 87 ~a18~0))) (let ((.cse9 (<= .cse15 0)) (.cse4 (= 5 ~a12~0)) (.cse6 (= ~a15~0 3)) (.cse0 (= ~a16~0 9)) (.cse13 (<= 4 ~a15~0)) (.cse12 (= ~a12~0 8)) (.cse7 (= ~a16~0 8)) (.cse1 (= 7 ~a12~0)) (.cse3 (<= 0 .cse15)) (.cse10 (<= ~a12~0 6)) (.cse5 (<= ~a16~0 11)) (.cse14 (<= 6 ~a12~0)) (.cse2 (= ~a12~0 9)) (.cse8 (<= ~a15~0 3)) (.cse11 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9) (and .cse3 .cse0 .cse8) (and .cse0 .cse4 .cse5 .cse6) (and .cse2 .cse8 .cse9) (and .cse7 .cse10) (and .cse4 .cse6 .cse11) (and .cse0 .cse12) (and .cse7 .cse13 .cse1) (and (<= ~a12~0 5) .cse5 .cse13) (and .cse7 .cse12) (and .cse8 .cse12) (and .cse2 .cse7) (and .cse8 .cse11 .cse1) (and .cse3 .cse8 .cse10 .cse14) (and .cse10 .cse5 .cse14) (and .cse2 .cse8 .cse11)))) [2021-10-28 09:24:01,947 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,947 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,947 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,947 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,948 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,948 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,948 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,948 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,948 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,949 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,949 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-28 09:24:01,949 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-28 09:24:01,949 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,949 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-28 09:24:01,949 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,950 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,950 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,950 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,953 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,954 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,954 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,954 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,954 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,954 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,955 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,955 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,955 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,955 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,955 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,956 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,956 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,956 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-28 09:24:01,956 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,956 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-28 09:24:01,957 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-28 09:24:01,957 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,957 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,957 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,957 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,958 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,958 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,958 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,958 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,958 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,959 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,959 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,959 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-28 09:24:01,959 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-28 09:24:01,959 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,959 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-28 09:24:01,960 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,962 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse15 (+ 87 ~a18~0))) (let ((.cse5 (<= .cse15 0)) (.cse12 (<= 4 ~a15~0)) (.cse11 (= ~a12~0 8)) (.cse3 (= ~a16~0 8)) (.cse0 (= ~a16~0 9)) (.cse7 (= 5 ~a12~0)) (.cse8 (= ~a15~0 3)) (.cse1 (= 7 ~a12~0)) (.cse6 (<= 0 .cse15)) (.cse9 (<= ~a12~0 6)) (.cse13 (<= ~a16~0 11)) (.cse14 (<= 6 ~a12~0)) (.cse2 (= ~a12~0 9)) (.cse4 (<= ~a15~0 3)) (.cse10 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8) (and .cse6 .cse0 .cse4) (and .cse2 .cse4 .cse5) (and .cse3 .cse9) (and .cse7 .cse8 .cse10) (and .cse0 .cse11) (and .cse3 .cse12 .cse1) (and (<= ~a12~0 5) .cse13 .cse12) (and .cse3 .cse11) (and .cse4 .cse11) (and .cse2 .cse3) (and .cse0 .cse7 .cse8) (and .cse4 .cse10 .cse1) (and .cse6 .cse4 .cse9 .cse14) (and .cse9 .cse13 .cse14) (and .cse2 .cse4 .cse10)))) [2021-10-28 09:24:01,962 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,962 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,962 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,963 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,963 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,963 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,963 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,963 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,964 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:24:01,964 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,964 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,964 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,964 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,965 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,965 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,965 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-28 09:24:01,965 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,965 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-28 09:24:01,966 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-28 09:24:01,966 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,966 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-10-28 09:24:01,966 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,967 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,968 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,968 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,969 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,969 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,970 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,970 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,970 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,970 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,970 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,971 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-28 09:24:01,971 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,971 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-28 09:24:01,972 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,972 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-28 09:24:01,972 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,972 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,972 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,973 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,973 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,973 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,973 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,973 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,974 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,974 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,974 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,974 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,974 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,974 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,975 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,975 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,975 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-28 09:24:01,975 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-28 09:24:01,975 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-28 09:24:01,976 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:24:01,976 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2021-10-28 09:24:01,976 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse15 (+ 87 ~a18~0))) (let ((.cse9 (<= .cse15 0)) (.cse4 (= 5 ~a12~0)) (.cse6 (= ~a15~0 3)) (.cse0 (= ~a16~0 9)) (.cse13 (<= 4 ~a15~0)) (.cse12 (= ~a12~0 8)) (.cse7 (= ~a16~0 8)) (.cse1 (= 7 ~a12~0)) (.cse3 (<= 0 .cse15)) (.cse10 (<= ~a12~0 6)) (.cse5 (<= ~a16~0 11)) (.cse14 (<= 6 ~a12~0)) (.cse2 (= ~a12~0 9)) (.cse8 (<= ~a15~0 3)) (.cse11 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9) (and .cse3 .cse0 .cse8) (and .cse0 .cse4 .cse5 .cse6) (and .cse2 .cse8 .cse9) (and .cse7 .cse10) (and .cse4 .cse6 .cse11) (and .cse0 .cse12) (and .cse7 .cse13 .cse1) (and (<= ~a12~0 5) .cse5 .cse13) (and .cse7 .cse12) (and .cse8 .cse12) (and .cse2 .cse7) (and .cse8 .cse11 .cse1) (and .cse3 .cse8 .cse10 .cse14) (and .cse10 .cse5 .cse14) (and .cse2 .cse8 .cse11)))) [2021-10-28 09:24:01,976 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,976 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,977 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,977 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,977 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,977 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,977 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,977 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,977 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,977 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,977 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,977 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,977 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,978 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,978 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-28 09:24:01,978 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,978 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-28 09:24:01,978 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-28 09:24:01,978 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,978 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,978 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,979 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,979 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,979 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,979 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,979 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,980 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,980 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,980 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,980 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,980 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-10-28 09:24:01,980 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,981 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,981 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,981 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,981 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,981 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-28 09:24:01,982 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-28 09:24:01,982 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-28 09:24:01,982 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,982 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,982 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,983 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,983 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,983 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,983 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,983 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,984 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,984 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,984 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,984 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,984 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,985 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-28 09:24:01,985 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,985 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-28 09:24:01,985 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-28 09:24:01,985 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,986 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,986 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,986 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,986 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,986 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,987 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,987 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,987 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,987 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,987 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,988 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,988 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,988 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,988 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-28 09:24:01,988 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-28 09:24:01,989 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-28 09:24:01,989 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,989 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,989 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,989 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,989 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,990 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,990 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,990 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,990 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,990 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,991 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,991 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,991 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,991 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,991 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-28 09:24:01,992 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,992 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-28 09:24:01,992 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-28 09:24:01,992 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,992 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,993 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,993 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,993 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,993 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,993 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,993 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,994 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,994 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,994 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,994 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,994 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,995 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,995 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-28 09:24:01,995 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-28 09:24:01,995 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-28 09:24:01,995 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,996 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,996 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,996 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,996 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,996 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,996 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,997 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,997 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:01,997 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,997 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-10-28 09:24:01,997 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,998 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,998 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,998 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:24:01,998 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,998 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-28 09:24:01,999 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-28 09:24:01,999 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,999 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,999 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,999 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-10-28 09:24:01,999 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-10-28 09:24:02,000 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,000 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-10-28 09:24:02,000 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,000 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:02,000 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:02,001 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,001 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,001 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-28 09:24:02,001 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-28 09:24:02,001 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,002 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,002 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,002 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,002 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,002 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-10-28 09:24:02,002 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,003 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,003 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,003 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,003 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:02,003 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:02,004 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,004 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-10-28 09:24:02,004 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,004 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,004 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-28 09:24:02,004 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-28 09:24:02,005 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,005 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,005 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,005 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,005 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-10-28 09:24:02,006 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,006 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-10-28 09:24:02,006 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:02,006 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:02,006 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:24:02,007 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,007 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,007 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-28 09:24:02,007 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-28 09:24:02,007 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,007 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,008 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,008 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,008 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,008 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,008 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,009 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,009 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-10-28 09:24:02,009 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,009 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,009 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,010 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:02,010 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:02,010 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-10-28 09:24:02,010 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,010 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,010 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-28 09:24:02,011 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-28 09:24:02,011 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,011 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,011 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,011 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,012 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-10-28 09:24:02,012 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,012 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-10-28 09:24:02,012 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,012 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:02,012 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:02,013 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-28 09:24:02,013 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:24:02,013 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,013 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,013 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-10-28 09:24:02,014 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-28 09:24:02,014 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-28 09:24:02,014 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-28 09:24:02,018 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:24:02,020 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:24:02,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:24:02 BoogieIcfgContainer [2021-10-28 09:24:02,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:24:02,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:24:02,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:24:02,051 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:24:02,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:23:15" (3/4) ... [2021-10-28 09:24:02,055 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:24:02,102 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 09:24:02,106 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:24:02,111 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:24:02,115 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:24:02,423 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:24:02,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:24:02,425 INFO L168 Benchmark]: Toolchain (without parser) took 51967.18 ms. Allocated memory was 132.1 MB in the beginning and 1.0 GB in the end (delta: 891.3 MB). Free memory was 93.0 MB in the beginning and 565.1 MB in the end (delta: -472.1 MB). Peak memory consumption was 419.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:02,427 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 92.3 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:24:02,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1403.25 ms. Allocated memory is still 132.1 MB. Free memory was 92.7 MB in the beginning and 55.9 MB in the end (delta: 36.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:02,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 263.57 ms. Allocated memory is still 132.1 MB. Free memory was 55.9 MB in the beginning and 85.6 MB in the end (delta: -29.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:02,429 INFO L168 Benchmark]: Boogie Preprocessor took 225.09 ms. Allocated memory is still 132.1 MB. Free memory was 85.6 MB in the beginning and 72.0 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:02,429 INFO L168 Benchmark]: RCFGBuilder took 3255.44 ms. Allocated memory was 132.1 MB in the beginning and 184.5 MB in the end (delta: 52.4 MB). Free memory was 72.0 MB in the beginning and 120.1 MB in the end (delta: -48.1 MB). Peak memory consumption was 56.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:02,430 INFO L168 Benchmark]: TraceAbstraction took 46437.02 ms. Allocated memory was 184.5 MB in the beginning and 1.0 GB in the end (delta: 838.9 MB). Free memory was 120.1 MB in the beginning and 603.2 MB in the end (delta: -483.2 MB). Peak memory consumption was 451.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:02,431 INFO L168 Benchmark]: Witness Printer took 372.66 ms. Allocated memory is still 1.0 GB. Free memory was 603.2 MB in the beginning and 565.1 MB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:02,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 92.3 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1403.25 ms. Allocated memory is still 132.1 MB. Free memory was 92.7 MB in the beginning and 55.9 MB in the end (delta: 36.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 263.57 ms. Allocated memory is still 132.1 MB. Free memory was 55.9 MB in the beginning and 85.6 MB in the end (delta: -29.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 225.09 ms. Allocated memory is still 132.1 MB. Free memory was 85.6 MB in the beginning and 72.0 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3255.44 ms. Allocated memory was 132.1 MB in the beginning and 184.5 MB in the end (delta: 52.4 MB). Free memory was 72.0 MB in the beginning and 120.1 MB in the end (delta: -48.1 MB). Peak memory consumption was 56.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 46437.02 ms. Allocated memory was 184.5 MB in the beginning and 1.0 GB in the end (delta: 838.9 MB). Free memory was 120.1 MB in the beginning and 603.2 MB in the end (delta: -483.2 MB). Peak memory consumption was 451.1 MB. Max. memory is 16.1 GB. * Witness Printer took 372.66 ms. Allocated memory is still 1.0 GB. Free memory was 603.2 MB in the beginning and 565.1 MB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 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: 158]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 46.2s, OverallIterations: 17, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 30.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4288 SDtfs, 4316 SDslu, 215 SDs, 0 SdLazy, 15592 SolverSat, 2806 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 436 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17112occurred in iteration=13, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 17 MinimizatonAttempts, 3328 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 208 NumberOfFragments, 562 HoareAnnotationTreeSize, 4 FomulaSimplifications, 5709 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 4 FomulaSimplificationsInter, 1607 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 11465 NumberOfCodeBlocks, 11465 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 11447 ConstructedInterpolants, 0 QuantifiedInterpolants, 29450 SizeOfPredicates, 0 NumberOfNonLiveVariables, 498 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 18 InterpolantComputations, 17 PerfectInterpolantSequences, 21604/21640 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: 1504]: Loop Invariant Derived loop invariant: ((((((((((((((((((a16 == 9 && 7 == a12) || (a12 == 9 && a16 == 9)) || ((a16 == 8 && a15 <= 3) && 87 + a18 <= 0)) || ((0 <= 87 + a18 && 5 == a12) && a15 == 3)) || ((0 <= 87 + a18 && a16 == 9) && a15 <= 3)) || ((a12 == 9 && a15 <= 3) && 87 + a18 <= 0)) || (a16 == 8 && a12 <= 6)) || ((5 == a12 && a15 == 3) && 11 <= a16)) || (a16 == 9 && a12 == 8)) || ((a16 == 8 && 4 <= a15) && 7 == a12)) || ((a12 <= 5 && a16 <= 11) && 4 <= a15)) || (a16 == 8 && a12 == 8)) || (a15 <= 3 && a12 == 8)) || (a12 == 9 && a16 == 8)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || ((a15 <= 3 && 11 <= a16) && 7 == a12)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((a16 == 9 && 7 == a12) || (a12 == 9 && a16 == 9)) || (((0 <= 87 + a18 && 5 == a12) && a16 <= 11) && a15 == 3)) || ((a16 == 8 && a15 <= 3) && 87 + a18 <= 0)) || ((0 <= 87 + a18 && a16 == 9) && a15 <= 3)) || (((a16 == 9 && 5 == a12) && a16 <= 11) && a15 == 3)) || ((a12 == 9 && a15 <= 3) && 87 + a18 <= 0)) || (a16 == 8 && a12 <= 6)) || ((5 == a12 && a15 == 3) && 11 <= a16)) || (a16 == 9 && a12 == 8)) || ((a16 == 8 && 4 <= a15) && 7 == a12)) || ((a12 <= 5 && a16 <= 11) && 4 <= a15)) || (a16 == 8 && a12 == 8)) || (a15 <= 3 && a12 == 8)) || (a12 == 9 && a16 == 8)) || ((a15 <= 3 && 11 <= a16) && 7 == a12)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((a16 == 9 && 7 == a12) || (a12 == 9 && a16 == 9)) || (((0 <= 87 + a18 && 5 == a12) && a16 <= 11) && a15 == 3)) || ((a16 == 8 && a15 <= 3) && 87 + a18 <= 0)) || ((0 <= 87 + a18 && a16 == 9) && a15 <= 3)) || (((a16 == 9 && 5 == a12) && a16 <= 11) && a15 == 3)) || ((a12 == 9 && a15 <= 3) && 87 + a18 <= 0)) || (a16 == 8 && a12 <= 6)) || ((5 == a12 && a15 == 3) && 11 <= a16)) || (a16 == 9 && a12 == 8)) || ((a16 == 8 && 4 <= a15) && 7 == a12)) || ((a12 <= 5 && a16 <= 11) && 4 <= a15)) || (a16 == 8 && a12 == 8)) || (a15 <= 3 && a12 == 8)) || (a12 == 9 && a16 == 8)) || ((a15 <= 3 && 11 <= a16) && 7 == a12)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:24:02,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82aadc1e-01db-415c-b3ae-9822abfe21c6/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...