./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label27.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_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD --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 70ecb2446f57553abe7468e1f232296cdba8856c774fb79cc62538ced35b338d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:57:07,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:57:07,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:57:07,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:57:07,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:57:07,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:57:07,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:57:07,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:57:07,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:57:07,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:57:07,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:57:07,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:57:07,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:57:07,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:57:07,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:57:07,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:57:07,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:57:07,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:57:07,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:57:07,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:57:07,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:57:07,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:57:07,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:57:07,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:57:07,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:57:07,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:57:07,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:57:07,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:57:07,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:57:07,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:57:07,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:57:07,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:57:07,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:57:07,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:57:07,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:57:07,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:57:07,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:57:07,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:57:07,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:57:07,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:57:07,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:57:07,792 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:57:07,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:57:07,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:57:07,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:57:07,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:57:07,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:57:07,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:57:07,842 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:57:07,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:57:07,842 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:57:07,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:57:07,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:57:07,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:57:07,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:57:07,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:57:07,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:57:07,845 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:57:07,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:57:07,845 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:57:07,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:57:07,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:57:07,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:57:07,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:57:07,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:57:07,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:57:07,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:57:07,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:57:07,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:57:07,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:57:07,848 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:57:07,849 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:57:07,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:57:07,850 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:57:07,850 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_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70ecb2446f57553abe7468e1f232296cdba8856c774fb79cc62538ced35b338d [2021-10-28 22:57:08,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:57:08,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:57:08,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:57:08,220 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:57:08,221 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:57:08,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2021-10-28 22:57:08,307 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/data/181c63a30/c16045a6915a43cc98ff4db92d55485a/FLAG81601b279 [2021-10-28 22:57:08,952 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:57:08,964 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2021-10-28 22:57:08,979 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/data/181c63a30/c16045a6915a43cc98ff4db92d55485a/FLAG81601b279 [2021-10-28 22:57:09,199 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/data/181c63a30/c16045a6915a43cc98ff4db92d55485a [2021-10-28 22:57:09,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:57:09,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:57:09,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:57:09,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:57:09,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:57:09,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:57:09" (1/1) ... [2021-10-28 22:57:09,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b1b92e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:09, skipping insertion in model container [2021-10-28 22:57:09,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:57:09" (1/1) ... [2021-10-28 22:57:09,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:57:09,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:57:09,542 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_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/sv-benchmarks/c/eca-rers2012/Problem10_label27.c[6867,6880] [2021-10-28 22:57:09,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:57:09,757 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:57:09,810 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_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/sv-benchmarks/c/eca-rers2012/Problem10_label27.c[6867,6880] [2021-10-28 22:57:09,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:57:09,956 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:57:09,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:09 WrapperNode [2021-10-28 22:57:09,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:57:09,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:57:09,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:57:09,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:57:09,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:09" (1/1) ... [2021-10-28 22:57:09,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:09" (1/1) ... [2021-10-28 22:57:10,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:57:10,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:57:10,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:57:10,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:57:10,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:09" (1/1) ... [2021-10-28 22:57:10,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:09" (1/1) ... [2021-10-28 22:57:10,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:09" (1/1) ... [2021-10-28 22:57:10,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:09" (1/1) ... [2021-10-28 22:57:10,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:09" (1/1) ... [2021-10-28 22:57:10,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:09" (1/1) ... [2021-10-28 22:57:10,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:09" (1/1) ... [2021-10-28 22:57:10,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:57:10,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:57:10,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:57:10,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:57:10,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:09" (1/1) ... [2021-10-28 22:57:10,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:57:10,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:57:10,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:57:10,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:57:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:57:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:57:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:57:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:57:11,639 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:57:11,639 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 22:57:11,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:57:11 BoogieIcfgContainer [2021-10-28 22:57:11,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:57:11,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:57:11,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:57:11,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:57:11,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:57:09" (1/3) ... [2021-10-28 22:57:11,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ecad705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:57:11, skipping insertion in model container [2021-10-28 22:57:11,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:57:09" (2/3) ... [2021-10-28 22:57:11,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ecad705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:57:11, skipping insertion in model container [2021-10-28 22:57:11,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:57:11" (3/3) ... [2021-10-28 22:57:11,653 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label27.c [2021-10-28 22:57:11,658 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:57:11,659 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 22:57:11,734 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:57:11,741 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 22:57:11,741 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 22:57:11,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:57:11,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-28 22:57:11,780 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:57:11,780 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, 1, 1, 1, 1] [2021-10-28 22:57:11,781 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:57:11,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:57:11,785 INFO L85 PathProgramCache]: Analyzing trace with hash -634083006, now seen corresponding path program 1 times [2021-10-28 22:57:11,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:57:11,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002046882] [2021-10-28 22:57:11,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:57:11,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:57:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:57:12,289 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 22:57:12,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:57:12,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002046882] [2021-10-28 22:57:12,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002046882] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:57:12,291 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:57:12,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:57:12,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145652679] [2021-10-28 22:57:12,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:57:12,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:57:12,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:57:12,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:57:12,334 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 22:57:13,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:57:13,775 INFO L93 Difference]: Finished difference Result 696 states and 1248 transitions. [2021-10-28 22:57:13,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:57:13,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2021-10-28 22:57:13,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:57:13,792 INFO L225 Difference]: With dead ends: 696 [2021-10-28 22:57:13,792 INFO L226 Difference]: Without dead ends: 421 [2021-10-28 22:57:13,796 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 22:57:13,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-28 22:57:13,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-10-28 22:57:13,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.3833333333333333) internal successors, (581), 420 states have internal predecessors, (581), 0 states have call successors, (0), 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 22:57:13,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2021-10-28 22:57:13,861 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 60 [2021-10-28 22:57:13,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:57:13,862 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2021-10-28 22:57:13,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 22:57:13,862 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2021-10-28 22:57:13,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-10-28 22:57:13,873 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:57:13,873 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, 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] [2021-10-28 22:57:13,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:57:13,874 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:57:13,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:57:13,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1646029236, now seen corresponding path program 1 times [2021-10-28 22:57:13,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:57:13,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415968895] [2021-10-28 22:57:13,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:57:13,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:57:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:57:14,131 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:57:14,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:57:14,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415968895] [2021-10-28 22:57:14,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415968895] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:57:14,132 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:57:14,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:57:14,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120521386] [2021-10-28 22:57:14,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:57:14,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:57:14,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:57:14,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:57:14,136 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand has 4 states, 4 states have (on average 44.5) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 22:57:14,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:57:14,870 INFO L93 Difference]: Finished difference Result 706 states and 1016 transitions. [2021-10-28 22:57:14,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:57:14,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.5) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 178 [2021-10-28 22:57:14,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:57:14,878 INFO L225 Difference]: With dead ends: 706 [2021-10-28 22:57:14,878 INFO L226 Difference]: Without dead ends: 426 [2021-10-28 22:57:14,880 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 22:57:14,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2021-10-28 22:57:14,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 421. [2021-10-28 22:57:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.3714285714285714) internal successors, (576), 420 states have internal predecessors, (576), 0 states have call successors, (0), 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 22:57:14,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 576 transitions. [2021-10-28 22:57:14,908 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 576 transitions. Word has length 178 [2021-10-28 22:57:14,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:57:14,909 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 576 transitions. [2021-10-28 22:57:14,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.5) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 22:57:14,909 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 576 transitions. [2021-10-28 22:57:14,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-10-28 22:57:14,918 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:57:14,918 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, 3, 3, 3, 3, 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] [2021-10-28 22:57:14,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:57:14,919 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:57:14,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:57:14,920 INFO L85 PathProgramCache]: Analyzing trace with hash -863568004, now seen corresponding path program 1 times [2021-10-28 22:57:14,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:57:14,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23790871] [2021-10-28 22:57:14,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:57:14,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:57:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:57:15,142 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:57:15,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:57:15,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23790871] [2021-10-28 22:57:15,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23790871] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:57:15,148 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:57:15,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:57:15,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146695118] [2021-10-28 22:57:15,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:57:15,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:57:15,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:57:15,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:57:15,157 INFO L87 Difference]: Start difference. First operand 421 states and 576 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 22:57:15,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:57:15,708 INFO L93 Difference]: Finished difference Result 979 states and 1435 transitions. [2021-10-28 22:57:15,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:57:15,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 204 [2021-10-28 22:57:15,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:57:15,716 INFO L225 Difference]: With dead ends: 979 [2021-10-28 22:57:15,716 INFO L226 Difference]: Without dead ends: 699 [2021-10-28 22:57:15,717 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 22:57:15,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-10-28 22:57:15,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2021-10-28 22:57:15,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2535816618911175) internal successors, (875), 698 states have internal predecessors, (875), 0 states have call successors, (0), 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 22:57:15,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 875 transitions. [2021-10-28 22:57:15,745 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 875 transitions. Word has length 204 [2021-10-28 22:57:15,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:57:15,746 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 875 transitions. [2021-10-28 22:57:15,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 22:57:15,747 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 875 transitions. [2021-10-28 22:57:15,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-10-28 22:57:15,752 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:57:15,752 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:57:15,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:57:15,753 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:57:15,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:57:15,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1830984458, now seen corresponding path program 1 times [2021-10-28 22:57:15,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:57:15,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470756065] [2021-10-28 22:57:15,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:57:15,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:57:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:57:15,987 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 22:57:15,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:57:15,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470756065] [2021-10-28 22:57:15,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470756065] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:57:15,993 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:57:15,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 22:57:15,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710174380] [2021-10-28 22:57:15,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 22:57:15,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:57:15,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 22:57:15,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:57:15,995 INFO L87 Difference]: Start difference. First operand 699 states and 875 transitions. Second operand has 7 states, 7 states have (on average 30.142857142857142) internal successors, (211), 6 states have internal predecessors, (211), 0 states have call successors, (0), 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 22:57:16,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:57:16,592 INFO L93 Difference]: Finished difference Result 1312 states and 1659 transitions. [2021-10-28 22:57:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 22:57:16,593 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 30.142857142857142) internal successors, (211), 6 states have internal predecessors, (211), 0 states have call successors, (0), 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 213 [2021-10-28 22:57:16,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:57:16,597 INFO L225 Difference]: With dead ends: 1312 [2021-10-28 22:57:16,597 INFO L226 Difference]: Without dead ends: 699 [2021-10-28 22:57:16,599 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 22:57:16,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-10-28 22:57:16,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2021-10-28 22:57:16,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2492836676217765) internal successors, (872), 698 states have internal predecessors, (872), 0 states have call successors, (0), 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 22:57:16,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 872 transitions. [2021-10-28 22:57:16,622 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 872 transitions. Word has length 213 [2021-10-28 22:57:16,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:57:16,624 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 872 transitions. [2021-10-28 22:57:16,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.142857142857142) internal successors, (211), 6 states have internal predecessors, (211), 0 states have call successors, (0), 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 22:57:16,624 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 872 transitions. [2021-10-28 22:57:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-10-28 22:57:16,630 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:57:16,630 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, 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] [2021-10-28 22:57:16,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:57:16,631 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:57:16,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:57:16,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1121805360, now seen corresponding path program 1 times [2021-10-28 22:57:16,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:57:16,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015046867] [2021-10-28 22:57:16,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:57:16,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:57:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:57:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:57:16,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:57:16,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015046867] [2021-10-28 22:57:16,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015046867] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:57:16,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:57:16,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:57:16,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601899442] [2021-10-28 22:57:16,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:57:16,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:57:16,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:57:16,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:57:16,824 INFO L87 Difference]: Start difference. First operand 699 states and 872 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 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 22:57:17,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:57:17,358 INFO L93 Difference]: Finished difference Result 1396 states and 1812 transitions. [2021-10-28 22:57:17,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:57:17,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 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 249 [2021-10-28 22:57:17,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:57:17,364 INFO L225 Difference]: With dead ends: 1396 [2021-10-28 22:57:17,364 INFO L226 Difference]: Without dead ends: 838 [2021-10-28 22:57:17,365 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 22:57:17,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-10-28 22:57:17,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2021-10-28 22:57:17,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.191977077363897) internal successors, (832), 698 states have internal predecessors, (832), 0 states have call successors, (0), 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 22:57:17,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 832 transitions. [2021-10-28 22:57:17,385 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 832 transitions. Word has length 249 [2021-10-28 22:57:17,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:57:17,386 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 832 transitions. [2021-10-28 22:57:17,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 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 22:57:17,386 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 832 transitions. [2021-10-28 22:57:17,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-10-28 22:57:17,391 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:57:17,391 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:57:17,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 22:57:17,392 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:57:17,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:57:17,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1581046708, now seen corresponding path program 1 times [2021-10-28 22:57:17,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:57:17,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394144469] [2021-10-28 22:57:17,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:57:17,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:57:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:57:17,517 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-10-28 22:57:17,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:57:17,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394144469] [2021-10-28 22:57:17,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394144469] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:57:17,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:57:17,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:57:17,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295483091] [2021-10-28 22:57:17,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:57:17,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:57:17,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:57:17,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:57:17,520 INFO L87 Difference]: Start difference. First operand 699 states and 832 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 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 22:57:18,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:57:18,091 INFO L93 Difference]: Finished difference Result 1396 states and 1732 transitions. [2021-10-28 22:57:18,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:57:18,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 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 284 [2021-10-28 22:57:18,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:57:18,097 INFO L225 Difference]: With dead ends: 1396 [2021-10-28 22:57:18,098 INFO L226 Difference]: Without dead ends: 838 [2021-10-28 22:57:18,099 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 22:57:18,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-10-28 22:57:18,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-10-28 22:57:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.1827956989247312) internal successors, (990), 837 states have internal predecessors, (990), 0 states have call successors, (0), 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 22:57:18,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 990 transitions. [2021-10-28 22:57:18,128 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 990 transitions. Word has length 284 [2021-10-28 22:57:18,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:57:18,129 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 990 transitions. [2021-10-28 22:57:18,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 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 22:57:18,130 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 990 transitions. [2021-10-28 22:57:18,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-10-28 22:57:18,135 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:57:18,135 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:57:18,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 22:57:18,136 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:57:18,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:57:18,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1141381425, now seen corresponding path program 1 times [2021-10-28 22:57:18,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:57:18,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650261846] [2021-10-28 22:57:18,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:57:18,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:57:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:57:18,385 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 130 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:57:18,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:57:18,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650261846] [2021-10-28 22:57:18,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650261846] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:57:18,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221961668] [2021-10-28 22:57:18,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:57:18,386 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:57:18,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:57:18,411 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:57:18,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 22:57:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:57:18,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:57:18,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:57:19,680 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-10-28 22:57:19,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221961668] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:57:19,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 22:57:19,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-10-28 22:57:19,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206767167] [2021-10-28 22:57:19,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:57:19,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:57:19,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:57:19,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:57:19,684 INFO L87 Difference]: Start difference. First operand 838 states and 990 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 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 22:57:20,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:57:20,249 INFO L93 Difference]: Finished difference Result 1813 states and 2167 transitions. [2021-10-28 22:57:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:57:20,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 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 287 [2021-10-28 22:57:20,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:57:20,257 INFO L225 Difference]: With dead ends: 1813 [2021-10-28 22:57:20,257 INFO L226 Difference]: Without dead ends: 1116 [2021-10-28 22:57:20,258 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:57:20,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-10-28 22:57:20,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-10-28 22:57:20,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.1363228699551569) internal successors, (1267), 1115 states have internal predecessors, (1267), 0 states have call successors, (0), 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 22:57:20,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1267 transitions. [2021-10-28 22:57:20,291 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1267 transitions. Word has length 287 [2021-10-28 22:57:20,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:57:20,292 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1267 transitions. [2021-10-28 22:57:20,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 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 22:57:20,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1267 transitions. [2021-10-28 22:57:20,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-10-28 22:57:20,300 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:57:20,301 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:57:20,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:57:20,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-10-28 22:57:20,527 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:57:20,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:57:20,528 INFO L85 PathProgramCache]: Analyzing trace with hash 57024807, now seen corresponding path program 1 times [2021-10-28 22:57:20,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:57:20,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519445765] [2021-10-28 22:57:20,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:57:20,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:57:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:57:20,703 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-10-28 22:57:20,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:57:20,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519445765] [2021-10-28 22:57:20,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519445765] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:57:20,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:57:20,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:57:20,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834903880] [2021-10-28 22:57:20,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:57:20,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:57:20,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:57:20,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:57:20,707 INFO L87 Difference]: Start difference. First operand 1116 states and 1267 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 22:57:21,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:57:21,274 INFO L93 Difference]: Finished difference Result 2925 states and 3352 transitions. [2021-10-28 22:57:21,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:57:21,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 338 [2021-10-28 22:57:21,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:57:21,285 INFO L225 Difference]: With dead ends: 2925 [2021-10-28 22:57:21,286 INFO L226 Difference]: Without dead ends: 1950 [2021-10-28 22:57:21,288 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 22:57:21,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2021-10-28 22:57:21,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1533. [2021-10-28 22:57:21,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1532 states have (on average 1.1507832898172323) internal successors, (1763), 1532 states have internal predecessors, (1763), 0 states have call successors, (0), 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 22:57:21,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1763 transitions. [2021-10-28 22:57:21,334 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1763 transitions. Word has length 338 [2021-10-28 22:57:21,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:57:21,335 INFO L470 AbstractCegarLoop]: Abstraction has 1533 states and 1763 transitions. [2021-10-28 22:57:21,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 22:57:21,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1763 transitions. [2021-10-28 22:57:21,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-10-28 22:57:21,341 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:57:21,341 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 22:57:21,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 22:57:21,342 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:57:21,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:57:21,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1557017880, now seen corresponding path program 1 times [2021-10-28 22:57:21,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:57:21,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295694477] [2021-10-28 22:57:21,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:57:21,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:57:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:57:21,513 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-28 22:57:21,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:57:21,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295694477] [2021-10-28 22:57:21,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295694477] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:57:21,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:57:21,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:57:21,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163493891] [2021-10-28 22:57:21,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:57:21,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:57:21,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:57:21,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:57:21,521 INFO L87 Difference]: Start difference. First operand 1533 states and 1763 transitions. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 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 22:57:22,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:57:22,076 INFO L93 Difference]: Finished difference Result 3620 states and 4179 transitions. [2021-10-28 22:57:22,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:57:22,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 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 355 [2021-10-28 22:57:22,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:57:22,092 INFO L225 Difference]: With dead ends: 3620 [2021-10-28 22:57:22,092 INFO L226 Difference]: Without dead ends: 2228 [2021-10-28 22:57:22,097 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 22:57:22,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2021-10-28 22:57:22,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2228. [2021-10-28 22:57:22,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2228 states, 2227 states have (on average 1.1329142343960485) internal successors, (2523), 2227 states have internal predecessors, (2523), 0 states have call successors, (0), 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 22:57:22,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2523 transitions. [2021-10-28 22:57:22,158 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2523 transitions. Word has length 355 [2021-10-28 22:57:22,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:57:22,159 INFO L470 AbstractCegarLoop]: Abstraction has 2228 states and 2523 transitions. [2021-10-28 22:57:22,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 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 22:57:22,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2523 transitions. [2021-10-28 22:57:22,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-10-28 22:57:22,165 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:57:22,166 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 22:57:22,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 22:57:22,166 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:57:22,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:57:22,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1442960892, now seen corresponding path program 1 times [2021-10-28 22:57:22,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:57:22,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613681860] [2021-10-28 22:57:22,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:57:22,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:57:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:57:22,356 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-10-28 22:57:22,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:57:22,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613681860] [2021-10-28 22:57:22,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613681860] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:57:22,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:57:22,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:57:22,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083342599] [2021-10-28 22:57:22,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:57:22,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:57:22,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:57:22,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:57:22,366 INFO L87 Difference]: Start difference. First operand 2228 states and 2523 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 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 22:57:23,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:57:23,038 INFO L93 Difference]: Finished difference Result 3062 states and 3494 transitions. [2021-10-28 22:57:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:57:23,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 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 368 [2021-10-28 22:57:23,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:57:23,040 INFO L225 Difference]: With dead ends: 3062 [2021-10-28 22:57:23,040 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 22:57:23,043 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 22:57:23,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 22:57:23,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 22:57:23,043 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 22:57:23,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 22:57:23,043 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 368 [2021-10-28 22:57:23,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:57:23,044 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:57:23,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 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 22:57:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:57:23,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 22:57:23,047 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:57:23,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 22:57:23,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 22:57:23,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:57:23,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:57:23,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:57:23,294 INFO L857 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2021-10-28 22:57:23,294 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-10-28 22:57:23,295 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-10-28 22:57:23,295 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-10-28 22:57:23,295 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-10-28 22:57:23,295 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-10-28 22:57:23,295 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,295 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,295 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,295 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,295 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,296 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,296 INFO L857 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-10-28 22:57:23,296 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-28 22:57:23,296 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-28 22:57:23,296 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-28 22:57:23,296 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-28 22:57:23,296 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-28 22:57:23,296 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-28 22:57:23,297 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-10-28 22:57:23,297 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-10-28 22:57:23,297 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-10-28 22:57:23,297 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-10-28 22:57:23,297 INFO L857 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-10-28 22:57:23,297 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-10-28 22:57:23,297 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,297 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,297 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,298 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,298 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,298 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,298 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-10-28 22:57:23,298 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-10-28 22:57:23,298 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-10-28 22:57:23,298 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-28 22:57:23,298 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-28 22:57:23,298 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-28 22:57:23,299 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-28 22:57:23,299 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-28 22:57:23,299 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-28 22:57:23,299 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-10-28 22:57:23,299 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-10-28 22:57:23,303 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-10-28 22:57:23,303 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,303 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,303 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,304 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,304 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,304 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,304 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-10-28 22:57:23,304 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-10-28 22:57:23,304 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-10-28 22:57:23,305 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-28 22:57:23,305 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-28 22:57:23,305 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-28 22:57:23,305 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-28 22:57:23,305 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-28 22:57:23,306 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-28 22:57:23,306 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-10-28 22:57:23,306 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-10-28 22:57:23,307 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-10-28 22:57:23,307 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-10-28 22:57:23,308 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,308 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,308 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,308 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,308 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,309 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,309 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-10-28 22:57:23,309 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-10-28 22:57:23,309 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-28 22:57:23,309 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-28 22:57:23,309 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-28 22:57:23,310 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-28 22:57:23,310 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-28 22:57:23,310 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-28 22:57:23,310 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-10-28 22:57:23,310 INFO L857 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-10-28 22:57:23,311 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-10-28 22:57:23,311 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,311 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,311 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,311 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,311 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,312 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-10-28 22:57:23,312 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-10-28 22:57:23,312 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-10-28 22:57:23,312 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-10-28 22:57:23,312 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-28 22:57:23,313 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-28 22:57:23,313 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-28 22:57:23,313 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-28 22:57:23,313 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-28 22:57:23,313 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-10-28 22:57:23,313 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-10-28 22:57:23,314 INFO L857 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-10-28 22:57:23,314 INFO L857 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-10-28 22:57:23,316 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-10-28 22:57:23,316 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,317 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,317 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,317 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,317 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,317 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-10-28 22:57:23,318 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 22:57:23,318 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-28 22:57:23,318 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-28 22:57:23,318 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-28 22:57:23,318 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-28 22:57:23,318 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-28 22:57:23,319 INFO L853 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse1 (not (= 7 ~a19~0))) (.cse3 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and (= ~a10~0 0) .cse0 .cse1 .cse2) (and (= ~a10~0 1) .cse0 .cse2) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 (<= 0 ~a1~0) .cse0 (= ~a10~0 2) .cse2))) [2021-10-28 22:57:23,320 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-10-28 22:57:23,320 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-10-28 22:57:23,320 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-10-28 22:57:23,320 INFO L857 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-10-28 22:57:23,320 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,321 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,322 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,322 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,322 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,323 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-10-28 22:57:23,323 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-10-28 22:57:23,323 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-10-28 22:57:23,323 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-28 22:57:23,323 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-28 22:57:23,324 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-28 22:57:23,324 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-28 22:57:23,324 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-28 22:57:23,324 INFO L857 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-10-28 22:57:23,324 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-10-28 22:57:23,325 INFO L860 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-10-28 22:57:23,325 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-10-28 22:57:23,325 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-10-28 22:57:23,325 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-10-28 22:57:23,325 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 22:57:23,325 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,326 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,326 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,326 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,326 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,326 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-28 22:57:23,326 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-28 22:57:23,327 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-28 22:57:23,327 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-28 22:57:23,327 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-28 22:57:23,327 INFO L857 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-10-28 22:57:23,327 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-10-28 22:57:23,328 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-10-28 22:57:23,328 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-10-28 22:57:23,328 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,328 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,328 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,328 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,329 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 22:57:23,329 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,329 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-10-28 22:57:23,329 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-10-28 22:57:23,329 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-10-28 22:57:23,329 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-10-28 22:57:23,330 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-28 22:57:23,330 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-28 22:57:23,330 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-28 22:57:23,330 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-28 22:57:23,330 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-28 22:57:23,331 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-10-28 22:57:23,331 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-10-28 22:57:23,331 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-10-28 22:57:23,331 INFO L853 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse1 (not (= 7 ~a19~0))) (.cse3 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and (= ~a10~0 0) .cse0 .cse1 .cse2) (and (= ~a10~0 1) .cse0 .cse2) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 (<= 0 ~a1~0) .cse0 (= ~a10~0 2) .cse2))) [2021-10-28 22:57:23,331 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-10-28 22:57:23,332 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,332 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,332 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,332 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,332 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-10-28 22:57:23,332 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,333 INFO L857 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,335 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-10-28 22:57:23,336 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-10-28 22:57:23,336 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-10-28 22:57:23,336 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-28 22:57:23,336 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-28 22:57:23,337 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-28 22:57:23,337 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-28 22:57:23,337 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-28 22:57:23,337 INFO L857 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-10-28 22:57:23,337 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 22:57:23,337 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 194) no Hoare annotation was computed. [2021-10-28 22:57:23,338 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-10-28 22:57:23,338 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-10-28 22:57:23,338 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-10-28 22:57:23,338 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-10-28 22:57:23,338 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,339 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,339 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,339 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,339 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,339 INFO L857 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-10-28 22:57:23,340 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-10-28 22:57:23,340 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-10-28 22:57:23,340 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-10-28 22:57:23,340 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-28 22:57:23,340 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-28 22:57:23,340 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-28 22:57:23,341 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-28 22:57:23,341 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-28 22:57:23,341 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-28 22:57:23,345 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:57:23,346 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:57:23,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:57:23 BoogieIcfgContainer [2021-10-28 22:57:23,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:57:23,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:57:23,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:57:23,380 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:57:23,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:57:11" (3/4) ... [2021-10-28 22:57:23,385 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 22:57:23,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 22:57:23,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 22:57:23,420 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:57:23,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:57:23,573 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:57:23,574 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:57:23,575 INFO L168 Benchmark]: Toolchain (without parser) took 14371.55 ms. Allocated memory was 109.1 MB in the beginning and 251.7 MB in the end (delta: 142.6 MB). Free memory was 65.5 MB in the beginning and 156.3 MB in the end (delta: -90.7 MB). Peak memory consumption was 50.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:23,576 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 109.1 MB. Free memory is still 83.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:57:23,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.15 ms. Allocated memory is still 109.1 MB. Free memory was 65.3 MB in the beginning and 65.4 MB in the end (delta: -86.5 kB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:23,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.99 ms. Allocated memory is still 109.1 MB. Free memory was 65.4 MB in the beginning and 57.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:23,578 INFO L168 Benchmark]: Boogie Preprocessor took 88.03 ms. Allocated memory is still 109.1 MB. Free memory was 57.5 MB in the beginning and 52.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:23,578 INFO L168 Benchmark]: RCFGBuilder took 1478.46 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 52.7 MB in the beginning and 57.9 MB in the end (delta: -5.2 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:23,579 INFO L168 Benchmark]: TraceAbstraction took 11735.28 ms. Allocated memory was 136.3 MB in the beginning and 251.7 MB in the end (delta: 115.3 MB). Free memory was 57.9 MB in the beginning and 170.9 MB in the end (delta: -113.1 MB). Peak memory consumption was 1.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:23,579 INFO L168 Benchmark]: Witness Printer took 193.81 ms. Allocated memory is still 251.7 MB. Free memory was 170.9 MB in the beginning and 156.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:23,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 109.1 MB. Free memory is still 83.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 753.15 ms. Allocated memory is still 109.1 MB. Free memory was 65.3 MB in the beginning and 65.4 MB in the end (delta: -86.5 kB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 115.99 ms. Allocated memory is still 109.1 MB. Free memory was 65.4 MB in the beginning and 57.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.03 ms. Allocated memory is still 109.1 MB. Free memory was 57.5 MB in the beginning and 52.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1478.46 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 52.7 MB in the beginning and 57.9 MB in the end (delta: -5.2 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11735.28 ms. Allocated memory was 136.3 MB in the beginning and 251.7 MB in the end (delta: 115.3 MB). Free memory was 57.9 MB in the beginning and 170.9 MB in the end (delta: -113.1 MB). Peak memory consumption was 1.6 MB. Max. memory is 16.1 GB. * Witness Printer took 193.81 ms. Allocated memory is still 251.7 MB. Free memory was 170.9 MB in the beginning and 156.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 194]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.6s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1056 SDtfs, 1132 SDslu, 72 SDs, 0 SdLazy, 4490 SolverSat, 796 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 321 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2228occurred in iteration=9, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 561 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 52 NumberOfFragments, 111 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1554 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 378 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2823 NumberOfCodeBlocks, 2823 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2812 ConstructedInterpolants, 0 QuantifiedInterpolants, 9691 SizeOfPredicates, 0 NumberOfNonLiveVariables, 408 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 2454/2549 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((a10 == 0 && 14 == a4) && !(7 == a19)) && a12 == 0) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((a19 <= 9 && 14 == a4) && !(7 == a19)) && a12 == 0)) || ((((a19 <= 9 && 0 <= a1) && 14 == a4) && a10 == 2) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((a10 == 0 && 14 == a4) && !(7 == a19)) && a12 == 0) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((a19 <= 9 && 14 == a4) && !(7 == a19)) && a12 == 0)) || ((((a19 <= 9 && 0 <= a1) && 14 == a4) && a10 == 2) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 22:57:23,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac5a0c5-d49e-4d6b-a392-9b5729cfbedb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...