./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label13.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_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/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_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/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_d0873d70-c3b0-41c6-9af8-5c376d2330e6/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 b9aac8f1352449724c28b7a3bd33388133fcac9f460e7deaf570c372da3d5e49 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:44:02,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:44:02,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:44:02,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:44:02,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:44:02,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:44:02,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:44:02,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:44:02,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:44:02,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:44:02,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:44:02,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:44:02,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:44:02,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:44:02,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:44:02,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:44:02,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:44:02,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:44:02,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:44:02,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:44:02,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:44:02,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:44:02,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:44:02,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:44:02,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:44:02,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:44:02,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:44:02,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:44:02,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:44:02,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:44:02,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:44:02,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:44:02,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:44:02,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:44:02,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:44:02,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:44:02,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:44:02,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:44:02,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:44:02,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:44:02,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:44:02,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:44:02,301 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:44:02,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:44:02,303 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:44:02,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:44:02,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:44:02,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:44:02,305 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:44:02,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:44:02,306 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:44:02,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:44:02,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:44:02,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:44:02,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:44:02,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:44:02,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:44:02,309 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:44:02,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:44:02,310 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:44:02,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:44:02,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:44:02,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:44:02,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:44:02,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:44:02,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:44:02,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:44:02,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:44:02,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:44:02,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:44:02,314 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:44:02,314 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:44:02,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:44:02,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:44:02,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9aac8f1352449724c28b7a3bd33388133fcac9f460e7deaf570c372da3d5e49 [2021-10-28 09:44:02,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:44:02,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:44:02,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:44:02,678 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:44:02,679 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:44:02,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem16_label13.c [2021-10-28 09:44:02,781 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/data/8347bf93d/798949fb17354427b855060f247d6c35/FLAG0cd5cad0f [2021-10-28 09:44:03,702 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:44:03,703 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/sv-benchmarks/c/eca-rers2012/Problem16_label13.c [2021-10-28 09:44:03,732 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/data/8347bf93d/798949fb17354427b855060f247d6c35/FLAG0cd5cad0f [2021-10-28 09:44:03,764 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/data/8347bf93d/798949fb17354427b855060f247d6c35 [2021-10-28 09:44:03,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:44:03,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:44:03,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:44:03,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:44:03,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:44:03,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:44:03" (1/1) ... [2021-10-28 09:44:03,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7de928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:03, skipping insertion in model container [2021-10-28 09:44:03,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:44:03" (1/1) ... [2021-10-28 09:44:03,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:44:03,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:44:04,235 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_d0873d70-c3b0-41c6-9af8-5c376d2330e6/sv-benchmarks/c/eca-rers2012/Problem16_label13.c[5905,5918] [2021-10-28 09:44:04,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:44:04,863 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:44:04,916 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_d0873d70-c3b0-41c6-9af8-5c376d2330e6/sv-benchmarks/c/eca-rers2012/Problem16_label13.c[5905,5918] [2021-10-28 09:44:05,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:44:05,301 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:44:05,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:05 WrapperNode [2021-10-28 09:44:05,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:44:05,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:44:05,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:44:05,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:44:05,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:05" (1/1) ... [2021-10-28 09:44:05,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:05" (1/1) ... [2021-10-28 09:44:05,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:44:05,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:44:05,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:44:05,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:44:05,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:05" (1/1) ... [2021-10-28 09:44:05,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:05" (1/1) ... [2021-10-28 09:44:05,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:05" (1/1) ... [2021-10-28 09:44:05,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:05" (1/1) ... [2021-10-28 09:44:05,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:05" (1/1) ... [2021-10-28 09:44:05,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:05" (1/1) ... [2021-10-28 09:44:05,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:05" (1/1) ... [2021-10-28 09:44:05,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:44:05,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:44:05,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:44:05,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:44:05,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:05" (1/1) ... [2021-10-28 09:44:05,879 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:44:05,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:44:05,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:44:05,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:44:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:44:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:44:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:44:05,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:44:09,049 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:44:09,050 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 09:44:09,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:44:09 BoogieIcfgContainer [2021-10-28 09:44:09,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:44:09,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:44:09,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:44:09,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:44:09,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:44:03" (1/3) ... [2021-10-28 09:44:09,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5b8ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:44:09, skipping insertion in model container [2021-10-28 09:44:09,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:05" (2/3) ... [2021-10-28 09:44:09,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5b8ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:44:09, skipping insertion in model container [2021-10-28 09:44:09,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:44:09" (3/3) ... [2021-10-28 09:44:09,069 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label13.c [2021-10-28 09:44:09,080 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:44:09,081 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:44:09,169 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:44:09,179 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 09:44:09,179 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:44:09,229 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 09:44:09,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-28 09:44:09,246 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:09,247 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:44:09,248 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:09,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:09,270 INFO L85 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2021-10-28 09:44:09,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:09,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194264427] [2021-10-28 09:44:09,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:09,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:09,719 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 09:44:09,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:09,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194264427] [2021-10-28 09:44:09,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194264427] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:09,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:09,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:44:09,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625346879] [2021-10-28 09:44:09,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:09,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:09,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:09,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:09,762 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 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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 09:44:12,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:12,480 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2021-10-28 09:44:12,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:12,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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 56 [2021-10-28 09:44:12,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:12,527 INFO L225 Difference]: With dead ends: 1122 [2021-10-28 09:44:12,527 INFO L226 Difference]: Without dead ends: 662 [2021-10-28 09:44:12,539 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 09:44:12,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-10-28 09:44:12,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-10-28 09:44:12,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.518910741301059) internal successors, (1004), 661 states have internal predecessors, (1004), 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 09:44:12,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1004 transitions. [2021-10-28 09:44:12,688 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1004 transitions. Word has length 56 [2021-10-28 09:44:12,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:12,690 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1004 transitions. [2021-10-28 09:44:12,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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 09:44:12,690 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1004 transitions. [2021-10-28 09:44:12,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-28 09:44:12,704 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:12,704 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, 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] [2021-10-28 09:44:12,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:44:12,705 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:12,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:12,709 INFO L85 PathProgramCache]: Analyzing trace with hash -2086237172, now seen corresponding path program 1 times [2021-10-28 09:44:12,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:12,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021481226] [2021-10-28 09:44:12,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:12,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:12,985 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:44:12,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:12,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021481226] [2021-10-28 09:44:12,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021481226] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:12,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:12,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:44:12,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964116321] [2021-10-28 09:44:12,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:12,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:12,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:12,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:12,996 INFO L87 Difference]: Start difference. First operand 662 states and 1004 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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 09:44:15,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:15,840 INFO L93 Difference]: Finished difference Result 1980 states and 3007 transitions. [2021-10-28 09:44:15,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:15,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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 124 [2021-10-28 09:44:15,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:15,852 INFO L225 Difference]: With dead ends: 1980 [2021-10-28 09:44:15,853 INFO L226 Difference]: Without dead ends: 1320 [2021-10-28 09:44:15,855 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 09:44:15,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-10-28 09:44:15,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-10-28 09:44:15,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.4556482183472328) internal successors, (1920), 1319 states have internal predecessors, (1920), 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 09:44:15,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1920 transitions. [2021-10-28 09:44:15,912 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1920 transitions. Word has length 124 [2021-10-28 09:44:15,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:15,913 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 1920 transitions. [2021-10-28 09:44:15,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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 09:44:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1920 transitions. [2021-10-28 09:44:15,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-10-28 09:44:15,917 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:15,917 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, 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] [2021-10-28 09:44:15,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:44:15,918 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:15,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:15,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1143350005, now seen corresponding path program 1 times [2021-10-28 09:44:15,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:15,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932522885] [2021-10-28 09:44:15,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:15,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:44:16,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:16,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932522885] [2021-10-28 09:44:16,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932522885] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:16,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:16,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:44:16,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273320423] [2021-10-28 09:44:16,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:16,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:16,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:16,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:16,052 INFO L87 Difference]: Start difference. First operand 1320 states and 1920 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 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 09:44:17,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:17,928 INFO L93 Difference]: Finished difference Result 3954 states and 5755 transitions. [2021-10-28 09:44:17,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:17,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 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 135 [2021-10-28 09:44:17,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:17,948 INFO L225 Difference]: With dead ends: 3954 [2021-10-28 09:44:17,948 INFO L226 Difference]: Without dead ends: 2636 [2021-10-28 09:44:17,950 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 09:44:17,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2021-10-28 09:44:18,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2636. [2021-10-28 09:44:18,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 2635 states have (on average 1.3240986717267553) internal successors, (3489), 2635 states have internal predecessors, (3489), 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 09:44:18,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3489 transitions. [2021-10-28 09:44:18,035 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3489 transitions. Word has length 135 [2021-10-28 09:44:18,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:18,036 INFO L470 AbstractCegarLoop]: Abstraction has 2636 states and 3489 transitions. [2021-10-28 09:44:18,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 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 09:44:18,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3489 transitions. [2021-10-28 09:44:18,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-28 09:44:18,040 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:18,041 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:44:18,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:44:18,041 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:18,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:18,042 INFO L85 PathProgramCache]: Analyzing trace with hash 489524018, now seen corresponding path program 1 times [2021-10-28 09:44:18,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:18,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102730342] [2021-10-28 09:44:18,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:18,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:18,208 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-28 09:44:18,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:18,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102730342] [2021-10-28 09:44:18,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102730342] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:18,214 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:18,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:44:18,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107821579] [2021-10-28 09:44:18,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:18,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:18,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:18,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:18,219 INFO L87 Difference]: Start difference. First operand 2636 states and 3489 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 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 09:44:20,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:20,110 INFO L93 Difference]: Finished difference Result 6586 states and 8545 transitions. [2021-10-28 09:44:20,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:20,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 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 253 [2021-10-28 09:44:20,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:20,138 INFO L225 Difference]: With dead ends: 6586 [2021-10-28 09:44:20,138 INFO L226 Difference]: Without dead ends: 3952 [2021-10-28 09:44:20,143 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 09:44:20,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-10-28 09:44:20,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-10-28 09:44:20,287 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 09:44:20,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4806 transitions. [2021-10-28 09:44:20,301 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4806 transitions. Word has length 253 [2021-10-28 09:44:20,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:20,303 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4806 transitions. [2021-10-28 09:44:20,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 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 09:44:20,303 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4806 transitions. [2021-10-28 09:44:20,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-10-28 09:44:20,309 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:20,310 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, 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] [2021-10-28 09:44:20,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:44:20,311 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:20,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:20,312 INFO L85 PathProgramCache]: Analyzing trace with hash 2007041494, now seen corresponding path program 1 times [2021-10-28 09:44:20,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:20,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161452113] [2021-10-28 09:44:20,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:20,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:44:20,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:20,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161452113] [2021-10-28 09:44:20,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161452113] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:20,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:20,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:20,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531868539] [2021-10-28 09:44:20,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:44:20,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:20,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:44:20,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:44:20,647 INFO L87 Difference]: Start difference. First operand 3952 states and 4806 transitions. Second operand has 4 states, 4 states have (on average 75.25) internal successors, (301), 3 states have internal predecessors, (301), 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 09:44:22,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:22,951 INFO L93 Difference]: Finished difference Result 8269 states and 9989 transitions. [2021-10-28 09:44:22,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:44:22,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 75.25) internal successors, (301), 3 states have internal predecessors, (301), 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 301 [2021-10-28 09:44:22,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:22,981 INFO L225 Difference]: With dead ends: 8269 [2021-10-28 09:44:22,981 INFO L226 Difference]: Without dead ends: 4319 [2021-10-28 09:44:22,987 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 09:44:22,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4319 states. [2021-10-28 09:44:23,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4319 to 4281. [2021-10-28 09:44:23,097 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 09:44:23,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5141 transitions. [2021-10-28 09:44:23,112 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5141 transitions. Word has length 301 [2021-10-28 09:44:23,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:23,115 INFO L470 AbstractCegarLoop]: Abstraction has 4281 states and 5141 transitions. [2021-10-28 09:44:23,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.25) internal successors, (301), 3 states have internal predecessors, (301), 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 09:44:23,115 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5141 transitions. [2021-10-28 09:44:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-10-28 09:44:23,126 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:23,126 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:44:23,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:44:23,127 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:23,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:23,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1804160057, now seen corresponding path program 1 times [2021-10-28 09:44:23,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:23,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155739118] [2021-10-28 09:44:23,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:23,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:44:23,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:23,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155739118] [2021-10-28 09:44:23,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155739118] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:23,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:23,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:44:23,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156172365] [2021-10-28 09:44:23,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:44:23,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:23,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:44:23,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:44:23,531 INFO L87 Difference]: Start difference. First operand 4281 states and 5141 transitions. Second operand has 7 states, 7 states have (on average 55.42857142857143) internal successors, (388), 6 states have internal predecessors, (388), 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 09:44:26,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:26,391 INFO L93 Difference]: Finished difference Result 8090 states and 9792 transitions. [2021-10-28 09:44:26,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:44:26,392 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 55.42857142857143) internal successors, (388), 6 states have internal predecessors, (388), 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 388 [2021-10-28 09:44:26,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:26,419 INFO L225 Difference]: With dead ends: 8090 [2021-10-28 09:44:26,420 INFO L226 Difference]: Without dead ends: 3952 [2021-10-28 09:44:26,427 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 09:44:26,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-10-28 09:44:26,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-10-28 09:44:26,534 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 09:44:26,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4268 transitions. [2021-10-28 09:44:26,547 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4268 transitions. Word has length 388 [2021-10-28 09:44:26,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:26,548 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4268 transitions. [2021-10-28 09:44:26,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 55.42857142857143) internal successors, (388), 6 states have internal predecessors, (388), 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 09:44:26,549 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4268 transitions. [2021-10-28 09:44:26,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-10-28 09:44:26,558 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:26,559 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, 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] [2021-10-28 09:44:26,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:44:26,560 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:26,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:26,560 INFO L85 PathProgramCache]: Analyzing trace with hash -691103377, now seen corresponding path program 1 times [2021-10-28 09:44:26,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:26,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564612173] [2021-10-28 09:44:26,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:26,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:26,822 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-10-28 09:44:26,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:26,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564612173] [2021-10-28 09:44:26,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564612173] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:26,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:26,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:26,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762926010] [2021-10-28 09:44:26,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:26,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:26,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:26,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:26,829 INFO L87 Difference]: Start difference. First operand 3952 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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 09:44:28,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:28,175 INFO L93 Difference]: Finished difference Result 9547 states and 10414 transitions. [2021-10-28 09:44:28,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:28,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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 395 [2021-10-28 09:44:28,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:28,212 INFO L225 Difference]: With dead ends: 9547 [2021-10-28 09:44:28,212 INFO L226 Difference]: Without dead ends: 5926 [2021-10-28 09:44:28,219 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 09:44:28,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5926 states. [2021-10-28 09:44:28,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5926 to 5926. [2021-10-28 09:44:28,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5925 states have (on average 1.0828691983122363) internal successors, (6416), 5925 states have internal predecessors, (6416), 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 09:44:28,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 6416 transitions. [2021-10-28 09:44:28,447 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 6416 transitions. Word has length 395 [2021-10-28 09:44:28,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:28,448 INFO L470 AbstractCegarLoop]: Abstraction has 5926 states and 6416 transitions. [2021-10-28 09:44:28,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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 09:44:28,449 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 6416 transitions. [2021-10-28 09:44:28,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2021-10-28 09:44:28,464 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:28,465 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 09:44:28,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:44:28,465 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:28,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:28,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1623184949, now seen corresponding path program 1 times [2021-10-28 09:44:28,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:28,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087224859] [2021-10-28 09:44:28,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:28,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:28,824 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-10-28 09:44:28,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:28,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087224859] [2021-10-28 09:44:28,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087224859] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:44:28,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174386382] [2021-10-28 09:44:28,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:28,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:44:28,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:44:28,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:44:28,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:44:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:29,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:44:29,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:44:31,108 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-10-28 09:44:31,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174386382] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:31,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:44:31,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-28 09:44:31,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482344065] [2021-10-28 09:44:31,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:31,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:31,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:31,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:44:31,113 INFO L87 Difference]: Start difference. First operand 5926 states and 6416 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 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 09:44:32,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:32,773 INFO L93 Difference]: Finished difference Result 7573 states and 8112 transitions. [2021-10-28 09:44:32,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:32,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 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 512 [2021-10-28 09:44:32,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:32,817 INFO L225 Difference]: With dead ends: 7573 [2021-10-28 09:44:32,817 INFO L226 Difference]: Without dead ends: 7571 [2021-10-28 09:44:32,820 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 511 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 09:44:32,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2021-10-28 09:44:32,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 6255. [2021-10-28 09:44:32,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6255 states, 6254 states have (on average 1.0805884234090182) internal successors, (6758), 6254 states have internal predecessors, (6758), 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 09:44:32,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 6758 transitions. [2021-10-28 09:44:32,987 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 6758 transitions. Word has length 512 [2021-10-28 09:44:32,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:32,989 INFO L470 AbstractCegarLoop]: Abstraction has 6255 states and 6758 transitions. [2021-10-28 09:44:32,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 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 09:44:32,990 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 6758 transitions. [2021-10-28 09:44:33,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 907 [2021-10-28 09:44:33,037 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:33,038 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:44:33,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:44:33,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:44:33,253 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:33,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:33,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1576845819, now seen corresponding path program 1 times [2021-10-28 09:44:33,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:33,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135470240] [2021-10-28 09:44:33,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:33,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:33,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 1078 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2021-10-28 09:44:33,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:33,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135470240] [2021-10-28 09:44:33,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135470240] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:33,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:33,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:33,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448952428] [2021-10-28 09:44:33,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:44:33,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:33,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:44:33,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:44:33,756 INFO L87 Difference]: Start difference. First operand 6255 states and 6758 transitions. Second operand has 4 states, 4 states have (on average 169.75) internal successors, (679), 3 states have internal predecessors, (679), 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 09:44:35,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:35,948 INFO L93 Difference]: Finished difference Result 16456 states and 17847 transitions. [2021-10-28 09:44:35,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:44:35,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 169.75) internal successors, (679), 3 states have internal predecessors, (679), 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 906 [2021-10-28 09:44:35,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:35,989 INFO L225 Difference]: With dead ends: 16456 [2021-10-28 09:44:35,989 INFO L226 Difference]: Without dead ends: 10532 [2021-10-28 09:44:36,010 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 09:44:36,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2021-10-28 09:44:36,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 10532. [2021-10-28 09:44:36,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10532 states, 10531 states have (on average 1.0784350963821099) internal successors, (11357), 10531 states have internal predecessors, (11357), 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 09:44:36,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10532 states to 10532 states and 11357 transitions. [2021-10-28 09:44:36,271 INFO L78 Accepts]: Start accepts. Automaton has 10532 states and 11357 transitions. Word has length 906 [2021-10-28 09:44:36,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:36,273 INFO L470 AbstractCegarLoop]: Abstraction has 10532 states and 11357 transitions. [2021-10-28 09:44:36,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 169.75) internal successors, (679), 3 states have internal predecessors, (679), 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 09:44:36,275 INFO L276 IsEmpty]: Start isEmpty. Operand 10532 states and 11357 transitions. [2021-10-28 09:44:36,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 945 [2021-10-28 09:44:36,329 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:36,330 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 09:44:36,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:44:36,331 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:36,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:36,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1254190856, now seen corresponding path program 1 times [2021-10-28 09:44:36,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:36,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080171555] [2021-10-28 09:44:36,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:36,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:36,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1972 backedges. 1214 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2021-10-28 09:44:36,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:36,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080171555] [2021-10-28 09:44:36,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080171555] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:36,879 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:36,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:36,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342472090] [2021-10-28 09:44:36,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:44:36,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:36,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:44:36,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:44:36,925 INFO L87 Difference]: Start difference. First operand 10532 states and 11357 transitions. Second operand has 4 states, 4 states have (on average 148.25) internal successors, (593), 3 states have internal predecessors, (593), 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 09:44:38,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:38,370 INFO L93 Difference]: Finished difference Result 20404 states and 22045 transitions. [2021-10-28 09:44:38,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:38,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 148.25) internal successors, (593), 3 states have internal predecessors, (593), 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 944 [2021-10-28 09:44:38,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:38,392 INFO L225 Difference]: With dead ends: 20404 [2021-10-28 09:44:38,393 INFO L226 Difference]: Without dead ends: 10532 [2021-10-28 09:44:38,406 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 09:44:38,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2021-10-28 09:44:38,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 10532. [2021-10-28 09:44:38,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10532 states, 10531 states have (on average 1.0781502231506979) internal successors, (11354), 10531 states have internal predecessors, (11354), 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 09:44:38,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10532 states to 10532 states and 11354 transitions. [2021-10-28 09:44:38,605 INFO L78 Accepts]: Start accepts. Automaton has 10532 states and 11354 transitions. Word has length 944 [2021-10-28 09:44:38,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:38,607 INFO L470 AbstractCegarLoop]: Abstraction has 10532 states and 11354 transitions. [2021-10-28 09:44:38,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 148.25) internal successors, (593), 3 states have internal predecessors, (593), 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 09:44:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 10532 states and 11354 transitions. [2021-10-28 09:44:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1006 [2021-10-28 09:44:38,636 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:38,637 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 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 09:44:38,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:44:38,638 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:38,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:38,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1909614394, now seen corresponding path program 1 times [2021-10-28 09:44:38,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:38,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250900149] [2021-10-28 09:44:38,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:38,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:39,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2069 backedges. 1354 proven. 0 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2021-10-28 09:44:39,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:39,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250900149] [2021-10-28 09:44:39,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250900149] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:39,220 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:39,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:39,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006022072] [2021-10-28 09:44:39,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:39,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:39,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:39,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:39,224 INFO L87 Difference]: Start difference. First operand 10532 states and 11354 transitions. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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 09:44:40,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:40,548 INFO L93 Difference]: Finished difference Result 23036 states and 24995 transitions. [2021-10-28 09:44:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:40,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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 1005 [2021-10-28 09:44:40,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:40,581 INFO L225 Difference]: With dead ends: 23036 [2021-10-28 09:44:40,582 INFO L226 Difference]: Without dead ends: 13164 [2021-10-28 09:44:40,595 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 09:44:40,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-10-28 09:44:40,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2021-10-28 09:44:40,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0643470333510598) internal successors, (14010), 13163 states have internal predecessors, (14010), 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 09:44:40,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 14010 transitions. [2021-10-28 09:44:40,905 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 14010 transitions. Word has length 1005 [2021-10-28 09:44:40,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:40,907 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 14010 transitions. [2021-10-28 09:44:40,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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 09:44:40,908 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 14010 transitions. [2021-10-28 09:44:40,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1007 [2021-10-28 09:44:40,938 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:40,939 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 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 09:44:40,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 09:44:40,947 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:40,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:40,948 INFO L85 PathProgramCache]: Analyzing trace with hash 710764797, now seen corresponding path program 1 times [2021-10-28 09:44:40,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:40,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980627765] [2021-10-28 09:44:40,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:40,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 1012 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-10-28 09:44:41,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:41,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980627765] [2021-10-28 09:44:41,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980627765] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:41,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:41,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:41,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521722093] [2021-10-28 09:44:41,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:41,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:41,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:41,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:41,601 INFO L87 Difference]: Start difference. First operand 13164 states and 14010 transitions. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 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 09:44:42,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:42,841 INFO L93 Difference]: Finished difference Result 26655 states and 28407 transitions. [2021-10-28 09:44:42,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:42,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 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 1006 [2021-10-28 09:44:42,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:42,873 INFO L225 Difference]: With dead ends: 26655 [2021-10-28 09:44:42,873 INFO L226 Difference]: Without dead ends: 14151 [2021-10-28 09:44:42,888 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 09:44:42,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14151 states. [2021-10-28 09:44:43,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14151 to 13493. [2021-10-28 09:44:43,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.0558108508745923) internal successors, (14245), 13492 states have internal predecessors, (14245), 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 09:44:43,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 14245 transitions. [2021-10-28 09:44:43,108 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 14245 transitions. Word has length 1006 [2021-10-28 09:44:43,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:43,111 INFO L470 AbstractCegarLoop]: Abstraction has 13493 states and 14245 transitions. [2021-10-28 09:44:43,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 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 09:44:43,111 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 14245 transitions. [2021-10-28 09:44:43,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1021 [2021-10-28 09:44:43,153 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:43,155 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, 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, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 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 09:44:43,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 09:44:43,156 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:43,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:43,157 INFO L85 PathProgramCache]: Analyzing trace with hash -2055445420, now seen corresponding path program 1 times [2021-10-28 09:44:43,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:43,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427697871] [2021-10-28 09:44:43,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:43,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:43,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1945 backedges. 972 proven. 0 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2021-10-28 09:44:43,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:43,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427697871] [2021-10-28 09:44:43,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427697871] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:43,969 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:43,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:43,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011153448] [2021-10-28 09:44:43,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:43,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:43,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:43,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:43,973 INFO L87 Difference]: Start difference. First operand 13493 states and 14245 transitions. Second operand has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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 09:44:45,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:45,274 INFO L93 Difference]: Finished difference Result 31919 states and 33747 transitions. [2021-10-28 09:44:45,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:45,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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 1020 [2021-10-28 09:44:45,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:45,301 INFO L225 Difference]: With dead ends: 31919 [2021-10-28 09:44:45,302 INFO L226 Difference]: Without dead ends: 17441 [2021-10-28 09:44:45,316 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 09:44:45,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-10-28 09:44:45,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 17112. [2021-10-28 09:44:45,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.042195079188826) internal successors, (17833), 17111 states have internal predecessors, (17833), 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 09:44:45,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17833 transitions. [2021-10-28 09:44:45,685 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17833 transitions. Word has length 1020 [2021-10-28 09:44:45,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:45,687 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17833 transitions. [2021-10-28 09:44:45,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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 09:44:45,687 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17833 transitions. [2021-10-28 09:44:45,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2021-10-28 09:44:45,716 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:45,718 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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] [2021-10-28 09:44:45,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 09:44:45,719 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:45,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:45,720 INFO L85 PathProgramCache]: Analyzing trace with hash 597019323, now seen corresponding path program 1 times [2021-10-28 09:44:45,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:45,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722556409] [2021-10-28 09:44:45,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:45,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2140 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 1817 trivial. 0 not checked. [2021-10-28 09:44:46,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:46,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722556409] [2021-10-28 09:44:46,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722556409] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:46,428 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:46,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:46,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31000198] [2021-10-28 09:44:46,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:46,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:46,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:46,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:46,433 INFO L87 Difference]: Start difference. First operand 17112 states and 17833 transitions. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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 09:44:47,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:47,896 INFO L93 Difference]: Finished difference Result 33893 states and 35330 transitions. [2021-10-28 09:44:47,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:47,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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 1058 [2021-10-28 09:44:47,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:47,924 INFO L225 Difference]: With dead ends: 33893 [2021-10-28 09:44:47,925 INFO L226 Difference]: Without dead ends: 17112 [2021-10-28 09:44:47,935 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 09:44:47,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-10-28 09:44:48,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 16454. [2021-10-28 09:44:48,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.0314228408193036) internal successors, (16970), 16453 states have internal predecessors, (16970), 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 09:44:48,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16970 transitions. [2021-10-28 09:44:48,299 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16970 transitions. Word has length 1058 [2021-10-28 09:44:48,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:48,300 INFO L470 AbstractCegarLoop]: Abstraction has 16454 states and 16970 transitions. [2021-10-28 09:44:48,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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 09:44:48,301 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16970 transitions. [2021-10-28 09:44:48,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1132 [2021-10-28 09:44:48,331 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:48,332 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:44:48,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 09:44:48,332 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:48,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:48,333 INFO L85 PathProgramCache]: Analyzing trace with hash 971405822, now seen corresponding path program 1 times [2021-10-28 09:44:48,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:48,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292068322] [2021-10-28 09:44:48,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:48,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2140 backedges. 1024 proven. 0 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2021-10-28 09:44:49,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:49,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292068322] [2021-10-28 09:44:49,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292068322] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:49,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:49,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:49,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320696523] [2021-10-28 09:44:49,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:49,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:49,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:49,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:49,074 INFO L87 Difference]: Start difference. First operand 16454 states and 16970 transitions. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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 09:44:50,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:50,335 INFO L93 Difference]: Finished difference Result 32248 states and 33274 transitions. [2021-10-28 09:44:50,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:50,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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 1131 [2021-10-28 09:44:50,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:50,359 INFO L225 Difference]: With dead ends: 32248 [2021-10-28 09:44:50,359 INFO L226 Difference]: Without dead ends: 16454 [2021-10-28 09:44:50,371 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 09:44:50,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2021-10-28 09:44:50,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 16125. [2021-10-28 09:44:50,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0277226494666336) internal successors, (16571), 16124 states have internal predecessors, (16571), 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 09:44:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16571 transitions. [2021-10-28 09:44:50,808 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16571 transitions. Word has length 1131 [2021-10-28 09:44:50,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:50,809 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16571 transitions. [2021-10-28 09:44:50,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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 09:44:50,810 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16571 transitions. [2021-10-28 09:44:50,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1290 [2021-10-28 09:44:50,841 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:50,842 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, 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, 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, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:44:50,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 09:44:50,842 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:50,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:50,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1873235178, now seen corresponding path program 1 times [2021-10-28 09:44:50,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:50,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541258559] [2021-10-28 09:44:50,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:50,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:51,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2962 backedges. 1220 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2021-10-28 09:44:51,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:51,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541258559] [2021-10-28 09:44:51,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541258559] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:51,605 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:51,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:51,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789188983] [2021-10-28 09:44:51,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:51,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:51,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:51,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:51,610 INFO L87 Difference]: Start difference. First operand 16125 states and 16571 transitions. Second operand has 3 states, 3 states have (on average 174.66666666666666) 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 09:44:52,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:52,826 INFO L93 Difference]: Finished difference Result 31919 states and 32809 transitions. [2021-10-28 09:44:52,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:52,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 174.66666666666666) 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 1289 [2021-10-28 09:44:52,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:52,960 INFO L225 Difference]: With dead ends: 31919 [2021-10-28 09:44:52,963 INFO L226 Difference]: Without dead ends: 16125 [2021-10-28 09:44:52,970 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 09:44:52,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2021-10-28 09:44:53,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 16125. [2021-10-28 09:44:53,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0236293723641776) internal successors, (16505), 16124 states have internal predecessors, (16505), 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 09:44:53,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16505 transitions. [2021-10-28 09:44:53,207 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16505 transitions. Word has length 1289 [2021-10-28 09:44:53,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:53,209 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16505 transitions. [2021-10-28 09:44:53,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.66666666666666) 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 09:44:53,209 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16505 transitions. [2021-10-28 09:44:53,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1338 [2021-10-28 09:44:53,238 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:53,239 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, 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, 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, 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, 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, 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] [2021-10-28 09:44:53,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 09:44:53,240 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:53,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:53,240 INFO L85 PathProgramCache]: Analyzing trace with hash 123759935, now seen corresponding path program 1 times [2021-10-28 09:44:53,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:53,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088464254] [2021-10-28 09:44:53,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:53,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 1447 proven. 0 refuted. 0 times theorem prover too weak. 2585 trivial. 0 not checked. [2021-10-28 09:44:54,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:54,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088464254] [2021-10-28 09:44:54,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088464254] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:54,118 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:54,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:54,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132829359] [2021-10-28 09:44:54,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:54,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:54,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:54,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:54,123 INFO L87 Difference]: Start difference. First operand 16125 states and 16505 transitions. Second operand has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 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 09:44:55,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:55,492 INFO L93 Difference]: Finished difference Result 34551 states and 35440 transitions. [2021-10-28 09:44:55,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:55,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 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 1337 [2021-10-28 09:44:55,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:55,508 INFO L225 Difference]: With dead ends: 34551 [2021-10-28 09:44:55,509 INFO L226 Difference]: Without dead ends: 16783 [2021-10-28 09:44:55,517 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 09:44:55,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-10-28 09:44:55,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16783. [2021-10-28 09:44:55,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0227028959599571) internal successors, (17163), 16782 states have internal predecessors, (17163), 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 09:44:55,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17163 transitions. [2021-10-28 09:44:55,816 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17163 transitions. Word has length 1337 [2021-10-28 09:44:55,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:55,817 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17163 transitions. [2021-10-28 09:44:55,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 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 09:44:55,818 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17163 transitions. [2021-10-28 09:44:55,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1452 [2021-10-28 09:44:55,860 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:55,861 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:44:55,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 09:44:55,861 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:55,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:55,862 INFO L85 PathProgramCache]: Analyzing trace with hash 255529046, now seen corresponding path program 1 times [2021-10-28 09:44:55,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:55,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724593560] [2021-10-28 09:44:55,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:55,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3950 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 3519 trivial. 0 not checked. [2021-10-28 09:44:57,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:57,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724593560] [2021-10-28 09:44:57,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724593560] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:57,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:57,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:44:57,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383361931] [2021-10-28 09:44:57,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:44:57,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:57,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:44:57,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:44:57,054 INFO L87 Difference]: Start difference. First operand 16783 states and 17163 transitions. Second operand has 6 states, 6 states have (on average 58.5) internal successors, (351), 6 states have internal predecessors, (351), 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 09:44:57,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:57,954 INFO L93 Difference]: Finished difference Result 32672 states and 33424 transitions. [2021-10-28 09:44:57,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:44:57,955 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 58.5) internal successors, (351), 6 states have internal predecessors, (351), 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 1451 [2021-10-28 09:44:57,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:58,079 INFO L225 Difference]: With dead ends: 32672 [2021-10-28 09:44:58,079 INFO L226 Difference]: Without dead ends: 16454 [2021-10-28 09:44:58,084 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:44:58,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2021-10-28 09:44:58,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 14480. [2021-10-28 09:44:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0221700393673596) internal successors, (14800), 14479 states have internal predecessors, (14800), 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 09:44:58,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14800 transitions. [2021-10-28 09:44:58,240 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14800 transitions. Word has length 1451 [2021-10-28 09:44:58,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:58,241 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 14800 transitions. [2021-10-28 09:44:58,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 58.5) internal successors, (351), 6 states have internal predecessors, (351), 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 09:44:58,242 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14800 transitions. [2021-10-28 09:44:58,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1829 [2021-10-28 09:44:58,286 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:58,288 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, 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, 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, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:44:58,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 09:44:58,288 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:58,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:58,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1760245359, now seen corresponding path program 1 times [2021-10-28 09:44:58,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:58,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168777030] [2021-10-28 09:44:58,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:58,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5655 backedges. 3611 proven. 0 refuted. 0 times theorem prover too weak. 2044 trivial. 0 not checked. [2021-10-28 09:44:59,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:59,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168777030] [2021-10-28 09:44:59,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168777030] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:59,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:59,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:59,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392164917] [2021-10-28 09:44:59,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:59,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:59,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:59,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:59,407 INFO L87 Difference]: Start difference. First operand 14480 states and 14800 transitions. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 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 09:45:00,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:45:00,463 INFO L93 Difference]: Finished difference Result 28300 states and 28936 transitions. [2021-10-28 09:45:00,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:45:00,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 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 1828 [2021-10-28 09:45:00,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:45:00,548 INFO L225 Difference]: With dead ends: 28300 [2021-10-28 09:45:00,548 INFO L226 Difference]: Without dead ends: 14480 [2021-10-28 09:45:00,552 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 09:45:00,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-10-28 09:45:00,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 13822. [2021-10-28 09:45:00,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.020259026119673) internal successors, (14101), 13821 states have internal predecessors, (14101), 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 09:45:00,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14101 transitions. [2021-10-28 09:45:00,740 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14101 transitions. Word has length 1828 [2021-10-28 09:45:00,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:45:00,743 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14101 transitions. [2021-10-28 09:45:00,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 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 09:45:00,743 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14101 transitions. [2021-10-28 09:45:00,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1877 [2021-10-28 09:45:00,817 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:45:00,819 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:45:00,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 09:45:00,820 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:45:00,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:00,821 INFO L85 PathProgramCache]: Analyzing trace with hash 460303014, now seen corresponding path program 1 times [2021-10-28 09:45:00,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:00,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509454041] [2021-10-28 09:45:00,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:00,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 6875 backedges. 4154 proven. 0 refuted. 0 times theorem prover too weak. 2721 trivial. 0 not checked. [2021-10-28 09:45:01,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:45:01,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509454041] [2021-10-28 09:45:01,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509454041] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:45:01,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:45:01,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:45:01,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627570662] [2021-10-28 09:45:01,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:45:01,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:45:01,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:45:01,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:45:01,999 INFO L87 Difference]: Start difference. First operand 13822 states and 14101 transitions. Second operand has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 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 09:45:03,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:45:03,171 INFO L93 Difference]: Finished difference Result 27313 states and 27875 transitions. [2021-10-28 09:45:03,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:45:03,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 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 1876 [2021-10-28 09:45:03,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:45:03,190 INFO L225 Difference]: With dead ends: 27313 [2021-10-28 09:45:03,190 INFO L226 Difference]: Without dead ends: 14151 [2021-10-28 09:45:03,196 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 09:45:03,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14151 states. [2021-10-28 09:45:03,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14151 to 14151. [2021-10-28 09:45:03,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14151 states, 14150 states have (on average 1.0199293286219082) internal successors, (14432), 14150 states have internal predecessors, (14432), 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 09:45:03,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14151 states to 14151 states and 14432 transitions. [2021-10-28 09:45:03,350 INFO L78 Accepts]: Start accepts. Automaton has 14151 states and 14432 transitions. Word has length 1876 [2021-10-28 09:45:03,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:45:03,352 INFO L470 AbstractCegarLoop]: Abstraction has 14151 states and 14432 transitions. [2021-10-28 09:45:03,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 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 09:45:03,352 INFO L276 IsEmpty]: Start isEmpty. Operand 14151 states and 14432 transitions. [2021-10-28 09:45:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1900 [2021-10-28 09:45:03,395 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:45:03,396 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:45:03,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 09:45:03,397 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:45:03,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:03,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1068307765, now seen corresponding path program 1 times [2021-10-28 09:45:03,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:03,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062768579] [2021-10-28 09:45:03,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:03,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:04,617 INFO L134 CoverageAnalysis]: Checked inductivity of 6692 backedges. 3474 proven. 0 refuted. 0 times theorem prover too weak. 3218 trivial. 0 not checked. [2021-10-28 09:45:04,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:45:04,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062768579] [2021-10-28 09:45:04,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062768579] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:45:04,619 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:45:04,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:45:04,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646475878] [2021-10-28 09:45:04,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:45:04,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:45:04,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:45:04,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:45:04,624 INFO L87 Difference]: Start difference. First operand 14151 states and 14432 transitions. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 09:45:05,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:45:05,901 INFO L93 Difference]: Finished difference Result 30603 states and 31212 transitions. [2021-10-28 09:45:05,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:45:05,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 1899 [2021-10-28 09:45:05,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:45:05,927 INFO L225 Difference]: With dead ends: 30603 [2021-10-28 09:45:05,927 INFO L226 Difference]: Without dead ends: 17112 [2021-10-28 09:45:05,938 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 09:45:05,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-10-28 09:45:06,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 14809. [2021-10-28 09:45:06,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14809 states, 14808 states have (on average 1.0195164775796866) internal successors, (15097), 14808 states have internal predecessors, (15097), 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 09:45:06,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 15097 transitions. [2021-10-28 09:45:06,208 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 15097 transitions. Word has length 1899 [2021-10-28 09:45:06,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:45:06,210 INFO L470 AbstractCegarLoop]: Abstraction has 14809 states and 15097 transitions. [2021-10-28 09:45:06,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 09:45:06,210 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 15097 transitions. [2021-10-28 09:45:06,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1941 [2021-10-28 09:45:06,273 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:45:06,275 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 8, 8, 8, 8, 8, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:45:06,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-28 09:45:06,275 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:45:06,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:06,277 INFO L85 PathProgramCache]: Analyzing trace with hash 161859330, now seen corresponding path program 1 times [2021-10-28 09:45:06,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:06,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956302712] [2021-10-28 09:45:06,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:06,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:07,620 INFO L134 CoverageAnalysis]: Checked inductivity of 7413 backedges. 2030 proven. 0 refuted. 0 times theorem prover too weak. 5383 trivial. 0 not checked. [2021-10-28 09:45:07,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:45:07,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956302712] [2021-10-28 09:45:07,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956302712] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:45:07,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:45:07,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:45:07,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082079313] [2021-10-28 09:45:07,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:45:07,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:45:07,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:45:07,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:45:07,626 INFO L87 Difference]: Start difference. First operand 14809 states and 15097 transitions. Second operand has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 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 09:45:09,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:45:09,084 INFO L93 Difference]: Finished difference Result 31275 states and 31900 transitions. [2021-10-28 09:45:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:45:09,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 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 1940 [2021-10-28 09:45:09,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:45:09,089 INFO L225 Difference]: With dead ends: 31275 [2021-10-28 09:45:09,090 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:45:09,100 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:45:09,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:45:09,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:45:09,100 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 09:45:09,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:45:09,101 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1940 [2021-10-28 09:45:09,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:45:09,101 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:45:09,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 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 09:45:09,102 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:45:09,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:45:09,104 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:45:09,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-28 09:45:09,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:45:09,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:45:09,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:45:09,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:45:09,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:45:12,489 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,489 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,489 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,489 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,489 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,489 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,489 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,489 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,490 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,490 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,490 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,490 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,490 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,490 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,490 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,490 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-28 09:45:12,491 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-28 09:45:12,491 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-28 09:45:12,491 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,491 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,491 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,492 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,492 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,492 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,492 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,492 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,493 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,493 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,493 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,493 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,493 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,494 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,494 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,494 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,494 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,494 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,494 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-28 09:45:12,495 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-28 09:45:12,495 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-28 09:45:12,495 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,495 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,495 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,496 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,496 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,496 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,496 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,496 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,497 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,497 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,497 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-28 09:45:12,497 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-28 09:45:12,497 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-28 09:45:12,498 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,498 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,498 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,498 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,498 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,498 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,499 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,499 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,499 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,499 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,499 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,500 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,500 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,500 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,500 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,500 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,501 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,501 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,501 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,501 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-28 09:45:12,501 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,501 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-28 09:45:12,502 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-28 09:45:12,502 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse10 (+ 87 ~a18~0))) (let ((.cse5 (<= (+ ~a18~0 156) 0)) (.cse4 (= ~a16~0 8)) (.cse15 (<= 4 ~a15~0)) (.cse7 (= ~a12~0 9)) (.cse0 (= ~a16~0 9)) (.cse6 (<= ~a12~0 8)) (.cse11 (<= ~a18~0 132)) (.cse14 (<= 0 .cse10)) (.cse2 (= ~a12~0 8)) (.cse9 (<= ~a15~0 3)) (.cse1 (= 7 ~a12~0)) (.cse16 (<= ~a12~0 6)) (.cse13 (<= ~a16~0 11)) (.cse17 (<= 6 ~a12~0)) (.cse8 (<= 0 (+ 154 ~a18~0))) (.cse12 (= 5 ~a12~0)) (.cse3 (= ~a15~0 3)) (.cse18 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and (= ~a16~0 10) .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse4 .cse8) (and .cse7 .cse0) (and .cse4 .cse2 .cse3 (<= 567606 ~a18~0)) (and .cse4 .cse9 (<= .cse10 0)) (and .cse9 .cse2 .cse5) (and .cse9 .cse11 .cse8 .cse1) (and .cse4 (<= ~a12~0 7)) (and .cse0 .cse12 .cse13 .cse3) (and .cse0 .cse9 .cse2) (and .cse14 .cse4 .cse11 .cse6 .cse15) (and .cse16 .cse13 .cse15) (and .cse7 .cse9) (and .cse0 .cse11 .cse6 .cse17) (and .cse14 .cse11 .cse12 .cse13 .cse3) (and .cse14 .cse9 .cse16 .cse17) (and .cse9 .cse2 .cse8 .cse18) (and .cse9 .cse8 .cse13 .cse1) (and .cse16 .cse13 .cse17) (and .cse8 .cse12 .cse3 .cse18)))) [2021-10-28 09:45:12,503 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,503 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,503 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,503 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,503 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,504 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,504 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,504 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,504 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,504 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,505 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-28 09:45:12,505 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-28 09:45:12,505 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,505 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-28 09:45:12,505 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,505 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,506 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,506 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,506 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,506 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,506 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,507 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,507 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,507 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,507 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,507 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,508 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,508 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,508 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,508 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,508 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,509 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-28 09:45:12,509 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,509 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-28 09:45:12,509 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-28 09:45:12,509 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,509 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,510 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,510 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,510 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,510 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,510 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,511 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,511 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,511 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,511 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,511 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-28 09:45:12,512 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-28 09:45:12,512 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,512 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-28 09:45:12,512 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,513 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse10 (+ 87 ~a18~0))) (let ((.cse5 (<= (+ ~a18~0 156) 0)) (.cse4 (= ~a16~0 8)) (.cse13 (<= 4 ~a15~0)) (.cse7 (= ~a12~0 9)) (.cse0 (= ~a16~0 9)) (.cse6 (<= ~a12~0 8)) (.cse2 (= ~a12~0 8)) (.cse9 (<= ~a15~0 3)) (.cse1 (= 7 ~a12~0)) (.cse12 (<= 0 .cse10)) (.cse11 (<= ~a18~0 132)) (.cse14 (<= ~a12~0 6)) (.cse15 (<= ~a16~0 11)) (.cse17 (<= 6 ~a12~0)) (.cse8 (<= 0 (+ 154 ~a18~0))) (.cse16 (= 5 ~a12~0)) (.cse3 (= ~a15~0 3)) (.cse18 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and (= ~a16~0 10) .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse4 .cse8) (and .cse7 .cse0) (and .cse4 .cse9 (<= .cse10 0)) (and .cse9 .cse2 .cse5) (and .cse9 .cse11 .cse8 .cse1) (and .cse4 (<= ~a12~0 7)) (and .cse0 .cse9 .cse2) (and .cse12 .cse4 .cse11 .cse6 .cse13) (and .cse14 .cse15 .cse13) (and .cse7 .cse9) (and .cse0 .cse16 .cse3) (and .cse0 .cse11 .cse6 .cse17) (and .cse12 .cse9 .cse14 .cse17) (and .cse9 .cse2 .cse8 .cse18) (and .cse9 .cse8 .cse15 .cse1) (and .cse12 .cse11 .cse16 .cse3) (and .cse14 .cse15 .cse17) (and .cse8 .cse16 .cse3 .cse18)))) [2021-10-28 09:45:12,513 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,513 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,513 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,513 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,514 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,514 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,514 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,514 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,514 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:45:12,515 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,515 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,515 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,515 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,515 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,516 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,516 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-28 09:45:12,516 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,516 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-28 09:45:12,516 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-28 09:45:12,516 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,517 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-10-28 09:45:12,517 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,517 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,517 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,517 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,518 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,518 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,518 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,518 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,518 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,519 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,519 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,519 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-28 09:45:12,519 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,519 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-28 09:45:12,520 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,520 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-28 09:45:12,520 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,520 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,520 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,520 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,521 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,521 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,521 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,521 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,521 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,522 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,522 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,522 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,522 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,522 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,523 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,523 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,523 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-28 09:45:12,523 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-28 09:45:12,523 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-28 09:45:12,524 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:45:12,524 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-10-28 09:45:12,524 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse10 (+ 87 ~a18~0))) (let ((.cse5 (<= (+ ~a18~0 156) 0)) (.cse4 (= ~a16~0 8)) (.cse15 (<= 4 ~a15~0)) (.cse7 (= ~a12~0 9)) (.cse0 (= ~a16~0 9)) (.cse6 (<= ~a12~0 8)) (.cse11 (<= ~a18~0 132)) (.cse14 (<= 0 .cse10)) (.cse2 (= ~a12~0 8)) (.cse9 (<= ~a15~0 3)) (.cse1 (= 7 ~a12~0)) (.cse16 (<= ~a12~0 6)) (.cse13 (<= ~a16~0 11)) (.cse17 (<= 6 ~a12~0)) (.cse8 (<= 0 (+ 154 ~a18~0))) (.cse12 (= 5 ~a12~0)) (.cse3 (= ~a15~0 3)) (.cse18 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and (= ~a16~0 10) .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse4 .cse8) (and .cse7 .cse0) (and .cse4 .cse2 .cse3 (<= 567606 ~a18~0)) (and .cse4 .cse9 (<= .cse10 0)) (and .cse9 .cse2 .cse5) (and .cse9 .cse11 .cse8 .cse1) (and .cse4 (<= ~a12~0 7)) (and .cse0 .cse12 .cse13 .cse3) (and .cse0 .cse9 .cse2) (and .cse14 .cse4 .cse11 .cse6 .cse15) (and .cse16 .cse13 .cse15) (and .cse7 .cse9) (and .cse0 .cse11 .cse6 .cse17) (and .cse14 .cse11 .cse12 .cse13 .cse3) (and .cse14 .cse9 .cse16 .cse17) (and .cse9 .cse2 .cse8 .cse18) (and .cse9 .cse8 .cse13 .cse1) (and .cse16 .cse13 .cse17) (and .cse8 .cse12 .cse3 .cse18)))) [2021-10-28 09:45:12,524 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,525 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,525 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,525 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,525 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,525 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,526 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,526 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,526 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,526 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,526 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,527 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,527 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,527 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,527 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-28 09:45:12,527 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,527 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-28 09:45:12,528 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-28 09:45:12,528 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,528 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,528 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,528 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,529 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,529 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,529 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,529 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,529 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,530 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,530 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,530 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,530 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-10-28 09:45:12,530 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,530 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,531 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,531 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,531 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,531 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-28 09:45:12,531 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-28 09:45:12,532 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-28 09:45:12,532 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,532 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,532 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,532 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,533 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,533 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,533 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,533 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,533 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,534 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,534 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,534 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,534 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,534 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-28 09:45:12,534 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,535 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-28 09:45:12,535 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-28 09:45:12,535 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,535 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,535 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,536 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,536 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,536 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,536 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,536 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,537 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,537 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,537 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,537 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,537 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,538 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,538 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-28 09:45:12,538 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-28 09:45:12,538 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-28 09:45:12,538 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,539 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,539 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,539 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,539 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,539 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,540 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,540 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,540 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,540 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,540 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,541 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,541 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,541 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,541 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-28 09:45:12,541 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,541 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-28 09:45:12,542 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-28 09:45:12,542 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,542 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,542 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,542 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,543 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,543 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,543 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,543 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,543 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,543 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,544 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,544 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,544 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,544 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,544 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-28 09:45:12,545 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-28 09:45:12,545 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-28 09:45:12,545 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,545 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,545 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,546 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,546 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,546 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,546 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,546 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,546 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,547 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,547 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,547 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,547 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,547 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,548 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:45:12,548 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,548 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-28 09:45:12,548 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-28 09:45:12,548 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,548 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,549 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,549 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,549 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,549 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,549 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,550 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,550 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,550 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,550 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,550 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,550 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-28 09:45:12,551 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-28 09:45:12,551 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,551 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,551 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,551 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,551 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,552 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,552 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,552 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,552 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,552 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,553 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,553 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,553 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,553 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,553 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,553 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,554 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-28 09:45:12,554 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-28 09:45:12,554 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,554 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,554 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,555 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,555 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,555 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,555 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,555 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,556 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,556 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:45:12,556 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,556 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,556 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-28 09:45:12,556 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-28 09:45:12,557 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,557 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,557 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,557 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,557 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,558 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,558 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,558 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,558 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,558 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,558 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,559 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,559 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,559 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,559 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,559 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,559 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,560 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-28 09:45:12,560 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-28 09:45:12,560 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,560 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,560 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,561 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,561 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,561 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,561 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-10-28 09:45:12,561 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,562 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,562 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,562 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-28 09:45:12,562 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-10-28 09:45:12,562 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,562 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,563 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-10-28 09:45:12,563 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-28 09:45:12,563 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-28 09:45:12,563 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-28 09:45:12,567 INFO L731 BasicCegarLoop]: Path program histogram: [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 09:45:12,569 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:45:12,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:45:12 BoogieIcfgContainer [2021-10-28 09:45:12,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:45:12,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:45:12,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:45:12,625 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:45:12,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:44:09" (3/4) ... [2021-10-28 09:45:12,629 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:45:12,672 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 09:45:12,676 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:45:12,681 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:45:12,685 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:45:12,969 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:45:12,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:45:12,972 INFO L168 Benchmark]: Toolchain (without parser) took 69198.97 ms. Allocated memory was 136.3 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 96.5 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.1 GB. [2021-10-28 09:45:12,972 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory was 56.3 MB in the beginning and 56.3 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:45:12,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1527.06 ms. Allocated memory is still 136.3 MB. Free memory was 96.5 MB in the beginning and 60.4 MB in the end (delta: 36.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:45:12,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 251.44 ms. Allocated memory is still 136.3 MB. Free memory was 60.4 MB in the beginning and 94.4 MB in the end (delta: -34.0 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:45:12,974 INFO L168 Benchmark]: Boogie Preprocessor took 308.30 ms. Allocated memory is still 136.3 MB. Free memory was 94.4 MB in the beginning and 91.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:45:12,975 INFO L168 Benchmark]: RCFGBuilder took 3189.21 ms. Allocated memory was 136.3 MB in the beginning and 220.2 MB in the end (delta: 83.9 MB). Free memory was 90.7 MB in the beginning and 108.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 66.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:45:12,977 INFO L168 Benchmark]: TraceAbstraction took 63563.90 ms. Allocated memory was 220.2 MB in the beginning and 2.5 GB in the end (delta: 2.2 GB). Free memory was 107.7 MB in the beginning and 610.6 MB in the end (delta: -502.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. [2021-10-28 09:45:12,978 INFO L168 Benchmark]: Witness Printer took 345.61 ms. Allocated memory is still 2.5 GB. Free memory was 610.6 MB in the beginning and 2.0 GB in the end (delta: -1.4 GB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:45:12,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory was 56.3 MB in the beginning and 56.3 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1527.06 ms. Allocated memory is still 136.3 MB. Free memory was 96.5 MB in the beginning and 60.4 MB in the end (delta: 36.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 251.44 ms. Allocated memory is still 136.3 MB. Free memory was 60.4 MB in the beginning and 94.4 MB in the end (delta: -34.0 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 308.30 ms. Allocated memory is still 136.3 MB. Free memory was 94.4 MB in the beginning and 91.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3189.21 ms. Allocated memory was 136.3 MB in the beginning and 220.2 MB in the end (delta: 83.9 MB). Free memory was 90.7 MB in the beginning and 108.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 66.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 63563.90 ms. Allocated memory was 220.2 MB in the beginning and 2.5 GB in the end (delta: 2.2 GB). Free memory was 107.7 MB in the beginning and 610.6 MB in the end (delta: -502.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. * Witness Printer took 345.61 ms. Allocated memory is still 2.5 GB. Free memory was 610.6 MB in the beginning and 2.0 GB in the end (delta: -1.4 GB). Peak memory consumption was 15.7 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: 185]: 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: 63.4s, OverallIterations: 22, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 37.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5683 SDtfs, 4644 SDslu, 254 SDs, 0 SdLazy, 19124 SolverSat, 3063 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 581 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17112occurred in iteration=13, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 8263 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 224 NumberOfFragments, 783 HoareAnnotationTreeSize, 4 FomulaSimplifications, 10034 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 4 FomulaSimplificationsInter, 3912 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 21366 NumberOfCodeBlocks, 21366 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 21343 ConstructedInterpolants, 0 QuantifiedInterpolants, 45325 SizeOfPredicates, 0 NumberOfNonLiveVariables, 624 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 23 InterpolantComputations, 22 PerfectInterpolantSequences, 52744/52780 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) || ((a16 == 10 && a12 == 8) && a15 == 3)) || ((a16 == 8 && a18 + 156 <= 0) && a12 <= 8)) || ((a12 == 9 && a16 == 8) && 0 <= 154 + a18)) || (a12 == 9 && a16 == 9)) || ((a16 == 8 && a15 <= 3) && 87 + a18 <= 0)) || ((a15 <= 3 && a12 == 8) && a18 + 156 <= 0)) || (((a15 <= 3 && a18 <= 132) && 0 <= 154 + a18) && 7 == a12)) || (a16 == 8 && a12 <= 7)) || ((a16 == 9 && a15 <= 3) && a12 == 8)) || ((((0 <= 87 + a18 && a16 == 8) && a18 <= 132) && a12 <= 8) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 4 <= a15)) || (a12 == 9 && a15 <= 3)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 6 <= a12)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && 11 <= a16)) || (((a15 <= 3 && 0 <= 154 + a18) && a16 <= 11) && 7 == a12)) || (((0 <= 87 + a18 && a18 <= 132) && 5 == a12) && a15 == 3)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (((0 <= 154 + a18 && 5 == a12) && a15 == 3) && 11 <= a16) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a16 == 9 && 7 == a12) || ((a16 == 10 && a12 == 8) && a15 == 3)) || ((a16 == 8 && a18 + 156 <= 0) && a12 <= 8)) || ((a12 == 9 && a16 == 8) && 0 <= 154 + a18)) || (a12 == 9 && a16 == 9)) || (((a16 == 8 && a12 == 8) && a15 == 3) && 567606 <= a18)) || ((a16 == 8 && a15 <= 3) && 87 + a18 <= 0)) || ((a15 <= 3 && a12 == 8) && a18 + 156 <= 0)) || (((a15 <= 3 && a18 <= 132) && 0 <= 154 + a18) && 7 == a12)) || (a16 == 8 && a12 <= 7)) || (((a16 == 9 && 5 == a12) && a16 <= 11) && a15 == 3)) || ((a16 == 9 && a15 <= 3) && a12 == 8)) || ((((0 <= 87 + a18 && a16 == 8) && a18 <= 132) && a12 <= 8) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 4 <= a15)) || (a12 == 9 && a15 <= 3)) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 6 <= a12)) || ((((0 <= 87 + a18 && a18 <= 132) && 5 == a12) && a16 <= 11) && a15 == 3)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && 11 <= a16)) || (((a15 <= 3 && 0 <= 154 + a18) && a16 <= 11) && 7 == a12)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (((0 <= 154 + a18 && 5 == a12) && a15 == 3) && 11 <= a16) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a16 == 9 && 7 == a12) || ((a16 == 10 && a12 == 8) && a15 == 3)) || ((a16 == 8 && a18 + 156 <= 0) && a12 <= 8)) || ((a12 == 9 && a16 == 8) && 0 <= 154 + a18)) || (a12 == 9 && a16 == 9)) || (((a16 == 8 && a12 == 8) && a15 == 3) && 567606 <= a18)) || ((a16 == 8 && a15 <= 3) && 87 + a18 <= 0)) || ((a15 <= 3 && a12 == 8) && a18 + 156 <= 0)) || (((a15 <= 3 && a18 <= 132) && 0 <= 154 + a18) && 7 == a12)) || (a16 == 8 && a12 <= 7)) || (((a16 == 9 && 5 == a12) && a16 <= 11) && a15 == 3)) || ((a16 == 9 && a15 <= 3) && a12 == 8)) || ((((0 <= 87 + a18 && a16 == 8) && a18 <= 132) && a12 <= 8) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 4 <= a15)) || (a12 == 9 && a15 <= 3)) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 6 <= a12)) || ((((0 <= 87 + a18 && a18 <= 132) && 5 == a12) && a16 <= 11) && a15 == 3)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && 11 <= a16)) || (((a15 <= 3 && 0 <= 154 + a18) && a16 <= 11) && 7 == a12)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || (((0 <= 154 + a18 && 5 == a12) && a15 == 3) && 11 <= a16) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:45:13,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0873d70-c3b0-41c6-9af8-5c376d2330e6/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...