./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be --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 6ddf143748f46db32d2f501e86ad4a7fff0470afcb56a7dcfc95fc0d216c0081 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:02:59,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:02:59,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:02:59,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:02:59,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:02:59,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:02:59,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:02:59,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:02:59,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:02:59,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:02:59,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:02:59,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:02:59,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:02:59,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:02:59,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:02:59,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:02:59,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:02:59,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:02:59,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:02:59,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:02:59,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:02:59,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:02:59,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:02:59,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:02:59,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:02:59,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:02:59,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:02:59,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:02:59,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:02:59,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:02:59,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:02:59,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:02:59,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:02:59,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:02:59,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:02:59,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:02:59,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:02:59,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:02:59,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:02:59,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:02:59,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:02:59,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:02:59,916 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:02:59,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:02:59,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:02:59,917 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:02:59,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:02:59,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:02:59,919 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:02:59,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:02:59,926 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:02:59,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:02:59,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:02:59,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:02:59,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:02:59,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:02:59,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:02:59,930 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:02:59,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:02:59,930 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:02:59,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:02:59,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:02:59,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:02:59,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:02:59,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:02:59,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:02:59,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:02:59,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:02:59,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:02:59,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:02:59,934 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:02:59,934 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:02:59,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:02:59,934 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:02:59,935 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_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ddf143748f46db32d2f501e86ad4a7fff0470afcb56a7dcfc95fc0d216c0081 [2021-10-21 20:03:00,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:03:00,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:03:00,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:03:00,222 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:03:00,222 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:03:00,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem11_label16.c [2021-10-21 20:03:00,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/data/1046f814f/528d8be101aa4fc0b9d17262807fcbe1/FLAGd46102dfa [2021-10-21 20:03:00,855 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:03:00,856 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/sv-benchmarks/c/eca-rers2012/Problem11_label16.c [2021-10-21 20:03:00,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/data/1046f814f/528d8be101aa4fc0b9d17262807fcbe1/FLAGd46102dfa [2021-10-21 20:03:01,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/data/1046f814f/528d8be101aa4fc0b9d17262807fcbe1 [2021-10-21 20:03:01,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:03:01,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:03:01,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:03:01,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:03:01,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:03:01,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:03:01" (1/1) ... [2021-10-21 20:03:01,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40653483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:01, skipping insertion in model container [2021-10-21 20:03:01,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:03:01" (1/1) ... [2021-10-21 20:03:01,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:03:01,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:03:01,425 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_cbde6013-df90-4048-8e80-67699bb869c6/sv-benchmarks/c/eca-rers2012/Problem11_label16.c[6270,6283] [2021-10-21 20:03:01,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:03:01,695 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:03:01,736 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_cbde6013-df90-4048-8e80-67699bb869c6/sv-benchmarks/c/eca-rers2012/Problem11_label16.c[6270,6283] [2021-10-21 20:03:01,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:03:01,984 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:03:01,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:01 WrapperNode [2021-10-21 20:03:01,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:03:01,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:03:01,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:03:01,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:03:01,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:01" (1/1) ... [2021-10-21 20:03:02,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:01" (1/1) ... [2021-10-21 20:03:02,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:03:02,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:03:02,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:03:02,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:03:02,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:01" (1/1) ... [2021-10-21 20:03:02,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:01" (1/1) ... [2021-10-21 20:03:02,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:01" (1/1) ... [2021-10-21 20:03:02,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:01" (1/1) ... [2021-10-21 20:03:02,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:01" (1/1) ... [2021-10-21 20:03:02,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:01" (1/1) ... [2021-10-21 20:03:02,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:01" (1/1) ... [2021-10-21 20:03:02,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:03:02,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:03:02,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:03:02,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:03:02,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:01" (1/1) ... [2021-10-21 20:03:02,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:03:02,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:02,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:02,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:03:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:03:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:03:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:03:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:03:04,137 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:03:04,137 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 20:03:04,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:03:04 BoogieIcfgContainer [2021-10-21 20:03:04,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:03:04,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:03:04,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:03:04,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:03:04,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:03:01" (1/3) ... [2021-10-21 20:03:04,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4597baaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:03:04, skipping insertion in model container [2021-10-21 20:03:04,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:01" (2/3) ... [2021-10-21 20:03:04,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4597baaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:03:04, skipping insertion in model container [2021-10-21 20:03:04,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:03:04" (3/3) ... [2021-10-21 20:03:04,148 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label16.c [2021-10-21 20:03:04,166 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:03:04,166 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:03:04,217 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:03:04,223 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 [2021-10-21 20:03:04,223 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:03:04,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:04,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-21 20:03:04,262 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:03:04,262 INFO L512 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] [2021-10-21 20:03:04,263 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:03:04,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:04,268 INFO L82 PathProgramCache]: Analyzing trace with hash 712930081, now seen corresponding path program 1 times [2021-10-21 20:03:04,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:04,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141137096] [2021-10-21 20:03:04,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:04,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:03:04,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:04,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141137096] [2021-10-21 20:03:04,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141137096] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:03:04,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:03:04,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:03:04,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962251667] [2021-10-21 20:03:04,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:03:04,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:04,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:03:04,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:04,626 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:05,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:05,870 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-10-21 20:03:05,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:05,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2021-10-21 20:03:05,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:05,887 INFO L225 Difference]: With dead ends: 776 [2021-10-21 20:03:05,888 INFO L226 Difference]: Without dead ends: 413 [2021-10-21 20:03:05,892 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:05,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-10-21 20:03:05,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-10-21 20:03:05,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-10-21 20:03:05,955 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 43 [2021-10-21 20:03:05,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:05,955 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-10-21 20:03:05,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:05,956 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-10-21 20:03:05,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-10-21 20:03:05,961 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:03:05,961 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:03:05,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:03:05,962 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:03:05,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:05,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1685692488, now seen corresponding path program 1 times [2021-10-21 20:03:05,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:05,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215729058] [2021-10-21 20:03:05,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:05,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:06,119 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:03:06,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:06,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215729058] [2021-10-21 20:03:06,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215729058] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:03:06,122 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:03:06,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:03:06,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901187137] [2021-10-21 20:03:06,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:03:06,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:06,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:03:06,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:06,127 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:06,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:06,995 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-10-21 20:03:06,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:06,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2021-10-21 20:03:06,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:07,000 INFO L225 Difference]: With dead ends: 1209 [2021-10-21 20:03:07,001 INFO L226 Difference]: Without dead ends: 800 [2021-10-21 20:03:07,003 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:07,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-10-21 20:03:07,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-10-21 20:03:07,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3842239185750635) internal successors, (1088), 786 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:07,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1088 transitions. [2021-10-21 20:03:07,041 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1088 transitions. Word has length 111 [2021-10-21 20:03:07,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:07,041 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1088 transitions. [2021-10-21 20:03:07,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:07,042 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1088 transitions. [2021-10-21 20:03:07,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-21 20:03:07,045 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:03:07,045 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:03:07,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:03:07,046 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:03:07,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:07,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1595799053, now seen corresponding path program 1 times [2021-10-21 20:03:07,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:07,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356114884] [2021-10-21 20:03:07,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:07,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:07,190 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:03:07,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:07,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356114884] [2021-10-21 20:03:07,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356114884] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:03:07,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:03:07,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:03:07,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910010990] [2021-10-21 20:03:07,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:03:07,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:07,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:03:07,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:07,200 INFO L87 Difference]: Start difference. First operand 787 states and 1088 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:08,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:08,007 INFO L93 Difference]: Finished difference Result 1942 states and 2629 transitions. [2021-10-21 20:03:08,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:08,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-10-21 20:03:08,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:08,015 INFO L225 Difference]: With dead ends: 1942 [2021-10-21 20:03:08,015 INFO L226 Difference]: Without dead ends: 1157 [2021-10-21 20:03:08,016 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:08,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-10-21 20:03:08,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2021-10-21 20:03:08,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277056277056277) internal successors, (1475), 1155 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:08,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1475 transitions. [2021-10-21 20:03:08,048 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1475 transitions. Word has length 113 [2021-10-21 20:03:08,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:08,049 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1475 transitions. [2021-10-21 20:03:08,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:08,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1475 transitions. [2021-10-21 20:03:08,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-10-21 20:03:08,063 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:03:08,063 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:03:08,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:03:08,064 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:03:08,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:08,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1018270588, now seen corresponding path program 1 times [2021-10-21 20:03:08,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:08,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543093497] [2021-10-21 20:03:08,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:08,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:08,308 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-21 20:03:08,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:08,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543093497] [2021-10-21 20:03:08,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543093497] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:03:08,312 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:03:08,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:03:08,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862398117] [2021-10-21 20:03:08,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:03:08,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:08,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:03:08,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:08,315 INFO L87 Difference]: Start difference. First operand 1156 states and 1475 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:09,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:09,113 INFO L93 Difference]: Finished difference Result 2502 states and 3336 transitions. [2021-10-21 20:03:09,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:09,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 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 155 [2021-10-21 20:03:09,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:09,125 INFO L225 Difference]: With dead ends: 2502 [2021-10-21 20:03:09,125 INFO L226 Difference]: Without dead ends: 1532 [2021-10-21 20:03:09,128 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:09,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2021-10-21 20:03:09,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2021-10-21 20:03:09,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.2612671456564337) internal successors, (1931), 1531 states have internal predecessors, (1931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:09,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1931 transitions. [2021-10-21 20:03:09,164 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1931 transitions. Word has length 155 [2021-10-21 20:03:09,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:09,166 INFO L470 AbstractCegarLoop]: Abstraction has 1532 states and 1931 transitions. [2021-10-21 20:03:09,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:09,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1931 transitions. [2021-10-21 20:03:09,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-10-21 20:03:09,169 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:03:09,169 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:03:09,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:03:09,170 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:03:09,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:09,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1288394605, now seen corresponding path program 1 times [2021-10-21 20:03:09,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:09,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031264842] [2021-10-21 20:03:09,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:09,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:09,352 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:03:09,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:09,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031264842] [2021-10-21 20:03:09,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031264842] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:03:09,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:03:09,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:03:09,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188796974] [2021-10-21 20:03:09,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:03:09,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:09,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:03:09,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:09,355 INFO L87 Difference]: Start difference. First operand 1532 states and 1931 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:10,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:10,185 INFO L93 Difference]: Finished difference Result 3644 states and 4735 transitions. [2021-10-21 20:03:10,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:10,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 170 [2021-10-21 20:03:10,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:10,199 INFO L225 Difference]: With dead ends: 3644 [2021-10-21 20:03:10,199 INFO L226 Difference]: Without dead ends: 2298 [2021-10-21 20:03:10,201 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:10,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2021-10-21 20:03:10,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2295. [2021-10-21 20:03:10,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 2294 states have (on average 1.2650392327811684) internal successors, (2902), 2294 states have internal predecessors, (2902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:10,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 2902 transitions. [2021-10-21 20:03:10,251 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 2902 transitions. Word has length 170 [2021-10-21 20:03:10,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:10,252 INFO L470 AbstractCegarLoop]: Abstraction has 2295 states and 2902 transitions. [2021-10-21 20:03:10,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:10,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2902 transitions. [2021-10-21 20:03:10,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-10-21 20:03:10,256 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:03:10,256 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:03:10,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:03:10,257 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:03:10,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:10,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1139638576, now seen corresponding path program 1 times [2021-10-21 20:03:10,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:10,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231195446] [2021-10-21 20:03:10,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:10,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:10,383 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-21 20:03:10,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:10,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231195446] [2021-10-21 20:03:10,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231195446] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:03:10,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:03:10,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:03:10,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491154049] [2021-10-21 20:03:10,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:03:10,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:10,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:03:10,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:10,386 INFO L87 Difference]: Start difference. First operand 2295 states and 2902 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:11,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:11,342 INFO L93 Difference]: Finished difference Result 5515 states and 7137 transitions. [2021-10-21 20:03:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:11,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 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 225 [2021-10-21 20:03:11,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:11,361 INFO L225 Difference]: With dead ends: 5515 [2021-10-21 20:03:11,362 INFO L226 Difference]: Without dead ends: 3406 [2021-10-21 20:03:11,365 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:11,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2021-10-21 20:03:11,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3400. [2021-10-21 20:03:11,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3400 states, 3399 states have (on average 1.281259193880553) internal successors, (4355), 3399 states have internal predecessors, (4355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:11,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3400 states to 3400 states and 4355 transitions. [2021-10-21 20:03:11,447 INFO L78 Accepts]: Start accepts. Automaton has 3400 states and 4355 transitions. Word has length 225 [2021-10-21 20:03:11,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:11,448 INFO L470 AbstractCegarLoop]: Abstraction has 3400 states and 4355 transitions. [2021-10-21 20:03:11,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:11,448 INFO L276 IsEmpty]: Start isEmpty. Operand 3400 states and 4355 transitions. [2021-10-21 20:03:11,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-10-21 20:03:11,452 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:03:11,453 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 20:03:11,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 20:03:11,453 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:03:11,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:11,454 INFO L82 PathProgramCache]: Analyzing trace with hash -972617143, now seen corresponding path program 1 times [2021-10-21 20:03:11,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:11,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443817490] [2021-10-21 20:03:11,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:11,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-21 20:03:11,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:11,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443817490] [2021-10-21 20:03:11,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443817490] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:03:11,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643113590] [2021-10-21 20:03:11,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:11,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:03:11,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:11,652 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:03:11,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 20:03:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:11,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:03:11,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:03:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-21 20:03:12,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643113590] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:03:12,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:03:12,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-10-21 20:03:12,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554936881] [2021-10-21 20:03:12,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:03:12,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:12,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:03:12,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:03:12,589 INFO L87 Difference]: Start difference. First operand 3400 states and 4355 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:13,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:13,945 INFO L93 Difference]: Finished difference Result 9034 states and 11962 transitions. [2021-10-21 20:03:13,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:03:13,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 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 235 [2021-10-21 20:03:13,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:13,976 INFO L225 Difference]: With dead ends: 9034 [2021-10-21 20:03:13,977 INFO L226 Difference]: Without dead ends: 5820 [2021-10-21 20:03:13,981 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:03:13,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5820 states. [2021-10-21 20:03:14,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5820 to 4890. [2021-10-21 20:03:14,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4890 states, 4889 states have (on average 1.2648803436285538) internal successors, (6184), 4889 states have internal predecessors, (6184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:14,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4890 states to 4890 states and 6184 transitions. [2021-10-21 20:03:14,104 INFO L78 Accepts]: Start accepts. Automaton has 4890 states and 6184 transitions. Word has length 235 [2021-10-21 20:03:14,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:14,105 INFO L470 AbstractCegarLoop]: Abstraction has 4890 states and 6184 transitions. [2021-10-21 20:03:14,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:14,106 INFO L276 IsEmpty]: Start isEmpty. Operand 4890 states and 6184 transitions. [2021-10-21 20:03:14,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-10-21 20:03:14,115 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:03:14,116 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:03:14,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:14,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:03:14,333 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:03:14,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:14,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1472509606, now seen corresponding path program 1 times [2021-10-21 20:03:14,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:14,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358187047] [2021-10-21 20:03:14,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:14,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:14,514 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-21 20:03:14,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:14,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358187047] [2021-10-21 20:03:14,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358187047] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:03:14,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:03:14,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:03:14,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577840372] [2021-10-21 20:03:14,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:03:14,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:14,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:03:14,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:14,518 INFO L87 Difference]: Start difference. First operand 4890 states and 6184 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:15,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:15,488 INFO L93 Difference]: Finished difference Result 12008 states and 15346 transitions. [2021-10-21 20:03:15,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:15,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 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 321 [2021-10-21 20:03:15,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:15,525 INFO L225 Difference]: With dead ends: 12008 [2021-10-21 20:03:15,526 INFO L226 Difference]: Without dead ends: 7304 [2021-10-21 20:03:15,532 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:15,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7304 states. [2021-10-21 20:03:15,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7304 to 7100. [2021-10-21 20:03:15,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7100 states, 7099 states have (on average 1.229750669108325) internal successors, (8730), 7099 states have internal predecessors, (8730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:15,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7100 states to 7100 states and 8730 transitions. [2021-10-21 20:03:15,687 INFO L78 Accepts]: Start accepts. Automaton has 7100 states and 8730 transitions. Word has length 321 [2021-10-21 20:03:15,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:15,688 INFO L470 AbstractCegarLoop]: Abstraction has 7100 states and 8730 transitions. [2021-10-21 20:03:15,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:15,688 INFO L276 IsEmpty]: Start isEmpty. Operand 7100 states and 8730 transitions. [2021-10-21 20:03:15,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-10-21 20:03:15,698 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:03:15,698 INFO L512 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, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:03:15,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 20:03:15,699 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:03:15,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:15,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1995018028, now seen corresponding path program 1 times [2021-10-21 20:03:15,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:15,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714758201] [2021-10-21 20:03:15,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:15,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-21 20:03:15,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:15,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714758201] [2021-10-21 20:03:15,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714758201] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:03:15,854 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:03:15,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:03:15,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942190561] [2021-10-21 20:03:15,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:03:15,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:15,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:03:15,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:15,863 INFO L87 Difference]: Start difference. First operand 7100 states and 8730 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:16,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:16,650 INFO L93 Difference]: Finished difference Result 13604 states and 16624 transitions. [2021-10-21 20:03:16,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:16,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 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 322 [2021-10-21 20:03:16,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:03:16,651 INFO L225 Difference]: With dead ends: 13604 [2021-10-21 20:03:16,652 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:03:16,662 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:16,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:03:16,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:03:16,663 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) [2021-10-21 20:03:16,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:03:16,663 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 322 [2021-10-21 20:03:16,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:03:16,664 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:03:16,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:16,664 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:03:16,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:03:16,667 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:03:16,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 20:03:16,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:03:16,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:03:16,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:03:16,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:03:16,750 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-21 20:03:16,750 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,750 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-21 20:03:16,750 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,751 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,751 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,751 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,751 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,751 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,751 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-21 20:03:16,752 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-21 20:03:16,752 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-21 20:03:16,752 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,752 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,752 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,753 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,753 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,753 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,753 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,753 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,753 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,754 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,754 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-21 20:03:16,754 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-21 20:03:16,754 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-21 20:03:16,754 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,754 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-21 20:03:16,755 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-21 20:03:16,755 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,755 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,755 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,755 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,755 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,756 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,756 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-21 20:03:16,756 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-21 20:03:16,756 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-21 20:03:16,756 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,756 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,757 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,757 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (or (= ~a4~0 0) (and (<= ~a29~0 275) .cse0) (and (<= ~a25~0 10) .cse0) (and .cse0 (<= 0 (+ ~a23~0 4))))) [2021-10-21 20:03:16,757 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,757 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-21 20:03:16,757 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-21 20:03:16,758 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,758 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,758 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,758 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,758 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,758 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,759 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-21 20:03:16,759 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-21 20:03:16,759 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-21 20:03:16,759 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-21 20:03:16,759 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,759 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,760 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,760 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,760 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,760 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,760 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,760 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-21 20:03:16,761 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-21 20:03:16,761 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-21 20:03:16,761 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,761 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,761 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,761 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,761 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,762 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,762 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,762 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,762 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,762 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-21 20:03:16,762 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-21 20:03:16,763 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-21 20:03:16,763 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,763 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (or (= ~a4~0 0) (and (<= ~a29~0 275) .cse0) (and (<= ~a25~0 10) .cse0) (and .cse0 (<= 0 (+ ~a23~0 4))))) [2021-10-21 20:03:16,763 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,763 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,763 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,764 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,764 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,764 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,764 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,764 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,764 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-21 20:03:16,765 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-21 20:03:16,765 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-21 20:03:16,765 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-21 20:03:16,765 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-21 20:03:16,765 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-21 20:03:16,765 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-21 20:03:16,765 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,766 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,766 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,766 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,766 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,766 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,766 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,767 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,767 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,767 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,767 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:03:16,767 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-21 20:03:16,767 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-21 20:03:16,768 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-21 20:03:16,768 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-21 20:03:16,768 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,768 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,768 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,768 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,769 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,769 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-21 20:03:16,769 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-21 20:03:16,769 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-21 20:03:16,769 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,769 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,769 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,770 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,770 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-21 20:03:16,770 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-21 20:03:16,770 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,770 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,770 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,771 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,771 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,771 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,771 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-21 20:03:16,771 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-21 20:03:16,771 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,772 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,772 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-21 20:03:16,772 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-21 20:03:16,772 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-21 20:03:16,772 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:03:16,773 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2021-10-21 20:03:16,773 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,773 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,773 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,773 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,773 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,773 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,774 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,774 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-21 20:03:16,774 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-21 20:03:16,774 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-21 20:03:16,774 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-21 20:03:16,774 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-21 20:03:16,775 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-21 20:03:16,775 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-21 20:03:16,775 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,775 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,775 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-21 20:03:16,775 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-21 20:03:16,775 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,776 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,776 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,776 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,776 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,776 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-21 20:03:16,776 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-21 20:03:16,777 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-21 20:03:16,777 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,777 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,777 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,777 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,777 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,777 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,778 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-21 20:03:16,778 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-21 20:03:16,778 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-21 20:03:16,778 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,778 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,778 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,779 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,779 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,779 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,779 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,779 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,779 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-21 20:03:16,780 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-21 20:03:16,780 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-21 20:03:16,780 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,780 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,780 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,780 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,781 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,781 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,781 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,781 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,781 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,781 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,781 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,782 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-21 20:03:16,782 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-21 20:03:16,782 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-21 20:03:16,782 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-21 20:03:16,782 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-21 20:03:16,782 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,783 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,783 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,783 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,783 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,783 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,783 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,783 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-21 20:03:16,784 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-21 20:03:16,784 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-21 20:03:16,784 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,784 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,784 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,784 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-21 20:03:16,785 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-21 20:03:16,785 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,785 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,785 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,785 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,785 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,785 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-21 20:03:16,786 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-21 20:03:16,786 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,786 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,786 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-21 20:03:16,786 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-21 20:03:16,786 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,787 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:03:16,787 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,787 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,787 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,787 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,787 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,787 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-21 20:03:16,788 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-21 20:03:16,788 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-21 20:03:16,788 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-21 20:03:16,788 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,788 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,788 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,788 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,789 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,789 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,789 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,789 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,789 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-21 20:03:16,789 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-21 20:03:16,790 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-21 20:03:16,790 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-21 20:03:16,790 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-21 20:03:16,790 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-21 20:03:16,790 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,790 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,791 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,791 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,791 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,791 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,791 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,791 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-21 20:03:16,792 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-21 20:03:16,792 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:03:16,792 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,792 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,792 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,792 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,793 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,793 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,793 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-21 20:03:16,793 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-21 20:03:16,793 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,793 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,793 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,794 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,794 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,794 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,794 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,794 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-21 20:03:16,794 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-21 20:03:16,795 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,795 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,795 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-21 20:03:16,795 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-21 20:03:16,795 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-21 20:03:16,795 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-21 20:03:16,800 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:03:16,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:03:16 BoogieIcfgContainer [2021-10-21 20:03:16,814 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:03:16,814 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:03:16,814 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:03:16,815 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:03:16,815 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:03:04" (3/4) ... [2021-10-21 20:03:16,818 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:03:16,842 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 20:03:16,844 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 20:03:16,846 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:03:16,848 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:03:17,029 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:03:17,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:03:17,031 INFO L168 Benchmark]: Toolchain (without parser) took 15918.37 ms. Allocated memory was 90.2 MB in the beginning and 262.1 MB in the end (delta: 172.0 MB). Free memory was 49.9 MB in the beginning and 100.7 MB in the end (delta: -50.8 MB). Peak memory consumption was 120.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:17,032 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 90.2 MB. Free memory is still 69.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:03:17,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 870.29 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 49.7 MB in the beginning and 53.5 MB in the end (delta: -3.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:17,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.56 ms. Allocated memory is still 111.1 MB. Free memory was 53.5 MB in the beginning and 72.0 MB in the end (delta: -18.5 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:17,033 INFO L168 Benchmark]: Boogie Preprocessor took 156.64 ms. Allocated memory is still 111.1 MB. Free memory was 72.0 MB in the beginning and 62.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:17,034 INFO L168 Benchmark]: RCFGBuilder took 1845.49 ms. Allocated memory is still 111.1 MB. Free memory was 62.2 MB in the beginning and 35.6 MB in the end (delta: 26.6 MB). Peak memory consumption was 44.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:17,035 INFO L168 Benchmark]: TraceAbstraction took 12672.57 ms. Allocated memory was 111.1 MB in the beginning and 262.1 MB in the end (delta: 151.0 MB). Free memory was 35.0 MB in the beginning and 124.8 MB in the end (delta: -89.8 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:17,035 INFO L168 Benchmark]: Witness Printer took 215.51 ms. Allocated memory is still 262.1 MB. Free memory was 124.8 MB in the beginning and 100.7 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:17,037 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 90.2 MB. Free memory is still 69.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 870.29 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 49.7 MB in the beginning and 53.5 MB in the end (delta: -3.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 149.56 ms. Allocated memory is still 111.1 MB. Free memory was 53.5 MB in the beginning and 72.0 MB in the end (delta: -18.5 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 156.64 ms. Allocated memory is still 111.1 MB. Free memory was 72.0 MB in the beginning and 62.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1845.49 ms. Allocated memory is still 111.1 MB. Free memory was 62.2 MB in the beginning and 35.6 MB in the end (delta: 26.6 MB). Peak memory consumption was 44.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12672.57 ms. Allocated memory was 111.1 MB in the beginning and 262.1 MB in the end (delta: 151.0 MB). Free memory was 35.0 MB in the beginning and 124.8 MB in the end (delta: -89.8 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. * Witness Printer took 215.51 ms. Allocated memory is still 262.1 MB. Free memory was 124.8 MB in the beginning and 100.7 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 145]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12584.8ms, OverallIterations: 9, TraceHistogramMax: 4, EmptinessCheckTime: 70.6ms, AutomataDifference: 8834.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 81.6ms, InitialAbstractionConstructionTime: 17.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1495 SDtfs, 1703 SDslu, 225 SDs, 0 SdLazy, 5110 SolverSat, 1055 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6593.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=7100occurred in iteration=8, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 562.7ms AutomataMinimizationTime, 9 MinimizatonAttempts, 1159 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 75 NumberOfFragments, 55 HoareAnnotationTreeSize, 3 FomulaSimplifications, 822 FormulaSimplificationTreeSizeReduction, 22.8ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 51.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 144.4ms SsaConstructionTime, 473.2ms SatisfiabilityAnalysisTime, 1817.5ms InterpolantComputationTime, 1930 NumberOfCodeBlocks, 1930 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1920 ConstructedInterpolants, 0 QuantifiedInterpolants, 4454 SizeOfPredicates, 0 NumberOfNonLiveVariables, 361 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 1174/1336 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((a4 == 0 || (a29 <= 275 && a4 == 1)) || (a25 <= 10 && a4 == 1)) || (a4 == 1 && 0 <= a23 + 4) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((a4 == 0 || (a29 <= 275 && a4 == 1)) || (a25 <= 10 && a4 == 1)) || (a4 == 1 && 0 <= a23 + 4) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 20:03:17,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde6013-df90-4048-8e80-67699bb869c6/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...