./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9a2e0f33ac5b7c0fe5cd7ffdd1eac9c075d8b0ce ....................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9a2e0f33ac5b7c0fe5cd7ffdd1eac9c075d8b0ce ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:04:30,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:04:30,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:04:31,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:04:31,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:04:31,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:04:31,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:04:31,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:04:31,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:04:31,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:04:31,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:04:31,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:04:31,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:04:31,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:04:31,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:04:31,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:04:31,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:04:31,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:04:31,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:04:31,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:04:31,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:04:31,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:04:31,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:04:31,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:04:31,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:04:31,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:04:31,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:04:31,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:04:31,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:04:31,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:04:31,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:04:31,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:04:31,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:04:31,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:04:31,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:04:31,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:04:31,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:04:31,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:04:31,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:04:31,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:04:31,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:04:31,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:04:31,153 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:04:31,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:04:31,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:04:31,154 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:04:31,155 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:04:31,155 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:04:31,155 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:04:31,156 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:04:31,156 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:04:31,156 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:04:31,157 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:04:31,157 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:04:31,157 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:04:31,157 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:04:31,158 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:04:31,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:04:31,159 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:04:31,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:04:31,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:04:31,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:04:31,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:04:31,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:04:31,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:04:31,161 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:04:31,161 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:04:31,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:04:31,162 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:04:31,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:04:31,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:04:31,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:04:31,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:04:31,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:04:31,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:04:31,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:04:31,164 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:04:31,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:04:31,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:04:31,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:04:31,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:04:31,165 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a2e0f33ac5b7c0fe5cd7ffdd1eac9c075d8b0ce [2021-10-16 02:04:31,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:04:31,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:04:31,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:04:31,544 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:04:31,545 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:04:31,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c [2021-10-16 02:04:31,632 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/data/8c4af6f96/38661f94c7ec4aefb71102bf16e617e3/FLAGc7c89fdef [2021-10-16 02:04:32,317 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:04:32,318 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/sv-benchmarks/c/eca-rers2012/Problem14_label05.c [2021-10-16 02:04:32,338 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/data/8c4af6f96/38661f94c7ec4aefb71102bf16e617e3/FLAGc7c89fdef [2021-10-16 02:04:32,503 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/data/8c4af6f96/38661f94c7ec4aefb71102bf16e617e3 [2021-10-16 02:04:32,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:04:32,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:04:32,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:04:32,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:04:32,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:04:32,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:04:32" (1/1) ... [2021-10-16 02:04:32,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dbe0df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:04:32, skipping insertion in model container [2021-10-16 02:04:32,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:04:32" (1/1) ... [2021-10-16 02:04:32,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:04:32,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:04:32,883 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_d2bed649-1bc3-4599-83c2-ba230d27d5bc/sv-benchmarks/c/eca-rers2012/Problem14_label05.c[6428,6441] [2021-10-16 02:04:33,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:04:33,148 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:04:33,190 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_d2bed649-1bc3-4599-83c2-ba230d27d5bc/sv-benchmarks/c/eca-rers2012/Problem14_label05.c[6428,6441] [2021-10-16 02:04:33,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:04:33,339 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:04:33,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:04:33 WrapperNode [2021-10-16 02:04:33,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:04:33,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:04:33,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:04:33,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:04:33,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:04:33" (1/1) ... [2021-10-16 02:04:33,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:04:33" (1/1) ... [2021-10-16 02:04:33,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:04:33,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:04:33,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:04:33,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:04:33,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:04:33" (1/1) ... [2021-10-16 02:04:33,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:04:33" (1/1) ... [2021-10-16 02:04:33,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:04:33" (1/1) ... [2021-10-16 02:04:33,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:04:33" (1/1) ... [2021-10-16 02:04:33,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:04:33" (1/1) ... [2021-10-16 02:04:33,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:04:33" (1/1) ... [2021-10-16 02:04:33,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:04:33" (1/1) ... [2021-10-16 02:04:33,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:04:33,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:04:33,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:04:33,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:04:33,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:04:33" (1/1) ... [2021-10-16 02:04:33,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:04:33,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:04:33,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:04:33,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:04:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:04:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:04:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:04:33,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:04:47,369 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:04:47,369 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 02:04:47,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:04:47 BoogieIcfgContainer [2021-10-16 02:04:47,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:04:47,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:04:47,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:04:47,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:04:47,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:04:32" (1/3) ... [2021-10-16 02:04:47,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f80dfdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:04:47, skipping insertion in model container [2021-10-16 02:04:47,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:04:33" (2/3) ... [2021-10-16 02:04:47,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f80dfdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:04:47, skipping insertion in model container [2021-10-16 02:04:47,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:04:47" (3/3) ... [2021-10-16 02:04:47,387 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label05.c [2021-10-16 02:04:47,401 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:04:47,401 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:04:47,469 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:04:47,479 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-16 02:04:47,480 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:04:47,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:04:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-16 02:04:47,500 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:04:47,501 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-16 02:04:47,502 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:04:47,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:04:47,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1065582573, now seen corresponding path program 1 times [2021-10-16 02:04:47,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:04:47,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880718604] [2021-10-16 02:04:47,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:04:47,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:04:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:04:47,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:04:47,762 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:04:47,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880718604] [2021-10-16 02:04:47,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880718604] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:04:47,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:04:47,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 02:04:47,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462266172] [2021-10-16 02:04:47,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:04:47,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:04:47,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:04:47,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:04:47,791 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 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 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:04:47,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:04:47,878 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2021-10-16 02:04:47,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:04:47,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2021-10-16 02:04:47,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:04:47,889 INFO L225 Difference]: With dead ends: 23 [2021-10-16 02:04:47,889 INFO L226 Difference]: Without dead ends: 11 [2021-10-16 02:04:47,893 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:04:47,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-16 02:04:47,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-10-16 02:04:47,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:04:47,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-10-16 02:04:47,925 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2021-10-16 02:04:47,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:04:47,926 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2021-10-16 02:04:47,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:04:47,926 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-10-16 02:04:47,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-16 02:04:47,927 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:04:47,927 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2021-10-16 02:04:47,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:04:47,929 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:04:47,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:04:47,932 INFO L82 PathProgramCache]: Analyzing trace with hash 289865709, now seen corresponding path program 1 times [2021-10-16 02:04:47,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:04:47,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882651550] [2021-10-16 02:04:47,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:04:47,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:04:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:04:48,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:04:48,456 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:04:48,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882651550] [2021-10-16 02:04:48,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882651550] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 02:04:48,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346841420] [2021-10-16 02:04:48,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:04:48,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:04:48,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:04:48,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:04:48,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-16 02:04:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:04:48,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 02:04:48,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:05:26,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:05:26,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:09:11,022 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-10-16 02:09:11,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1337636442] [2021-10-16 02:09:11,047 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-10-16 02:09:11,048 INFO L166 IcfgInterpreter]: Building call graph [2021-10-16 02:09:11,053 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-16 02:09:11,060 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-16 02:09:11,061 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-16 02:09:11,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:09:11,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 02:09:11,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:09:11,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-16 02:09:11,109 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 02:09:11,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:09:11,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-16 02:09:11,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-10-16 02:09:11,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:09:11,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:09:11,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:09:11,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-16 02:09:11,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:09:11,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 02:09:11,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:09:11,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 02:09:11,171 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-16 02:09:11,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:09:11,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:09:11,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:09:11,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-10-16 02:09:11,200 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-16 02:09:11,201 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:149, output treesize:152 [2021-10-16 02:09:11,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-16 02:09:11,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:09:11,420 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No corresponding IProgramVar for |v_#valid_10| at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:92) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.predicate(SymbolicTools.java:174) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-16 02:09:11,424 INFO L168 Benchmark]: Toolchain (without parser) took 278914.36 ms. Allocated memory was 142.6 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 105.2 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2021-10-16 02:09:11,425 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 54.4 MB in the beginning and 54.4 MB in the end (delta: 32.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:09:11,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.23 ms. Allocated memory is still 142.6 MB. Free memory was 105.2 MB in the beginning and 95.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:09:11,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.59 ms. Allocated memory is still 142.6 MB. Free memory was 95.6 MB in the beginning and 86.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:09:11,428 INFO L168 Benchmark]: Boogie Preprocessor took 104.52 ms. Allocated memory is still 142.6 MB. Free memory was 86.0 MB in the beginning and 80.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:09:11,429 INFO L168 Benchmark]: RCFGBuilder took 13791.13 ms. Allocated memory was 142.6 MB in the beginning and 849.3 MB in the end (delta: 706.7 MB). Free memory was 80.0 MB in the beginning and 675.6 MB in the end (delta: -595.6 MB). Peak memory consumption was 232.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:09:11,430 INFO L168 Benchmark]: TraceAbstraction took 264044.78 ms. Allocated memory was 849.3 MB in the beginning and 2.8 GB in the end (delta: 2.0 GB). Free memory was 674.6 MB in the beginning and 1.5 GB in the end (delta: -775.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2021-10-16 02:09:11,434 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 54.4 MB in the beginning and 54.4 MB in the end (delta: 32.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 827.23 ms. Allocated memory is still 142.6 MB. Free memory was 105.2 MB in the beginning and 95.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 133.59 ms. Allocated memory is still 142.6 MB. Free memory was 95.6 MB in the beginning and 86.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.52 ms. Allocated memory is still 142.6 MB. Free memory was 86.0 MB in the beginning and 80.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 13791.13 ms. Allocated memory was 142.6 MB in the beginning and 849.3 MB in the end (delta: 706.7 MB). Free memory was 80.0 MB in the beginning and 675.6 MB in the end (delta: -595.6 MB). Peak memory consumption was 232.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 264044.78 ms. Allocated memory was 849.3 MB in the beginning and 2.8 GB in the end (delta: 2.0 GB). Free memory was 674.6 MB in the beginning and 1.5 GB in the end (delta: -775.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |v_#valid_10| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for |v_#valid_10|: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-16 02:09:11,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:09:14,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:09:14,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:09:14,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:09:14,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:09:14,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:09:14,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:09:14,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:09:14,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:09:14,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:09:14,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:09:14,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:09:14,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:09:14,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:09:14,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:09:14,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:09:14,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:09:14,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:09:14,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:09:14,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:09:14,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:09:14,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:09:14,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:09:14,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:09:14,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:09:14,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:09:14,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:09:14,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:09:14,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:09:14,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:09:14,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:09:14,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:09:14,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:09:14,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:09:14,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:09:14,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:09:14,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:09:14,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:09:14,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:09:14,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:09:14,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:09:14,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:09:14,524 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:09:14,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:09:14,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:09:14,526 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:09:14,526 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:09:14,526 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:09:14,526 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:09:14,527 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:09:14,527 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:09:14,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:09:14,530 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:09:14,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:09:14,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:09:14,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:09:14,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:09:14,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:09:14,531 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:09:14,532 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:09:14,532 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:09:14,532 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:09:14,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:09:14,533 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:09:14,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:09:14,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:09:14,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:09:14,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:09:14,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:09:14,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:09:14,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:09:14,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:09:14,535 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:09:14,535 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:09:14,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:09:14,536 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:09:14,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:09:14,537 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a2e0f33ac5b7c0fe5cd7ffdd1eac9c075d8b0ce [2021-10-16 02:09:14,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:09:14,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:09:14,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:09:14,978 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:09:14,979 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:09:14,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c [2021-10-16 02:09:15,065 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/data/2fbbcb9b2/fb981850512447f0965e86d463d59721/FLAG9198db26c [2021-10-16 02:09:15,741 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:09:15,758 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/sv-benchmarks/c/eca-rers2012/Problem14_label05.c [2021-10-16 02:09:15,778 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/data/2fbbcb9b2/fb981850512447f0965e86d463d59721/FLAG9198db26c [2021-10-16 02:09:15,958 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/data/2fbbcb9b2/fb981850512447f0965e86d463d59721 [2021-10-16 02:09:15,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:09:15,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:09:15,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:09:15,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:09:15,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:09:15,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:09:15" (1/1) ... [2021-10-16 02:09:15,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c56ae89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:15, skipping insertion in model container [2021-10-16 02:09:15,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:09:15" (1/1) ... [2021-10-16 02:09:15,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:09:16,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:09:16,319 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_d2bed649-1bc3-4599-83c2-ba230d27d5bc/sv-benchmarks/c/eca-rers2012/Problem14_label05.c[6428,6441] [2021-10-16 02:09:16,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:09:16,666 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:09:16,698 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_d2bed649-1bc3-4599-83c2-ba230d27d5bc/sv-benchmarks/c/eca-rers2012/Problem14_label05.c[6428,6441] [2021-10-16 02:09:16,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:09:16,845 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:09:16,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:16 WrapperNode [2021-10-16 02:09:16,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:09:16,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:09:16,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:09:16,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:09:16,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:16" (1/1) ... [2021-10-16 02:09:16,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:16" (1/1) ... [2021-10-16 02:09:16,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:09:16,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:09:16,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:09:16,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:09:16,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:16" (1/1) ... [2021-10-16 02:09:16,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:16" (1/1) ... [2021-10-16 02:09:16,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:16" (1/1) ... [2021-10-16 02:09:16,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:16" (1/1) ... [2021-10-16 02:09:17,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:16" (1/1) ... [2021-10-16 02:09:17,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:16" (1/1) ... [2021-10-16 02:09:17,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:16" (1/1) ... [2021-10-16 02:09:17,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:09:17,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:09:17,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:09:17,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:09:17,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:16" (1/1) ... [2021-10-16 02:09:17,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:09:17,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:09:17,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:09:17,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:09:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:09:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:09:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:09:17,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:09:21,062 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:09:21,063 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 02:09:21,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:09:21 BoogieIcfgContainer [2021-10-16 02:09:21,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:09:21,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:09:21,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:09:21,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:09:21,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:09:15" (1/3) ... [2021-10-16 02:09:21,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b943d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:09:21, skipping insertion in model container [2021-10-16 02:09:21,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:16" (2/3) ... [2021-10-16 02:09:21,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b943d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:09:21, skipping insertion in model container [2021-10-16 02:09:21,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:09:21" (3/3) ... [2021-10-16 02:09:21,080 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label05.c [2021-10-16 02:09:21,087 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:09:21,087 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:09:21,152 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:09:21,158 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-16 02:09:21,159 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:09:21,186 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:09:21,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-16 02:09:21,198 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:09:21,199 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:09:21,200 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:09:21,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:09:21,207 INFO L82 PathProgramCache]: Analyzing trace with hash -696204111, now seen corresponding path program 1 times [2021-10-16 02:09:21,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:09:21,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2060023956] [2021-10-16 02:09:21,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:09:21,227 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:09:21,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:09:21,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:09:21,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:09:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:09:21,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:09:21,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:09:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:09:21,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:09:22,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:09:22,179 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:09:22,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2060023956] [2021-10-16 02:09:22,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2060023956] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:09:22,181 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:09:22,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:09:22,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183189298] [2021-10-16 02:09:22,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:09:22,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:09:22,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:09:22,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:09:22,210 INFO L87 Difference]: Start difference. First operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:09:30,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:09:30,967 INFO L93 Difference]: Finished difference Result 866 states and 1574 transitions. [2021-10-16 02:09:30,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:09:30,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 63 [2021-10-16 02:09:30,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:09:30,986 INFO L225 Difference]: With dead ends: 866 [2021-10-16 02:09:30,987 INFO L226 Difference]: Without dead ends: 538 [2021-10-16 02:09:30,990 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:09:31,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2021-10-16 02:09:31,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 360. [2021-10-16 02:09:31,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.4206128133704736) internal successors, (510), 359 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:09:31,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions. [2021-10-16 02:09:31,068 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 63 [2021-10-16 02:09:31,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:09:31,069 INFO L470 AbstractCegarLoop]: Abstraction has 360 states and 510 transitions. [2021-10-16 02:09:31,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:09:31,069 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions. [2021-10-16 02:09:31,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-10-16 02:09:31,076 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:09:31,077 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:09:31,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:09:31,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:09:31,293 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:09:31,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:09:31,294 INFO L82 PathProgramCache]: Analyzing trace with hash -18617793, now seen corresponding path program 1 times [2021-10-16 02:09:31,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:09:31,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279276809] [2021-10-16 02:09:31,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:09:31,296 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:09:31,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:09:31,298 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:09:31,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:09:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:09:31,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:09:31,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:09:32,000 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:09:32,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:09:32,915 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:09:32,916 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:09:32,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1279276809] [2021-10-16 02:09:32,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1279276809] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:09:32,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:09:32,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:09:32,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874524806] [2021-10-16 02:09:32,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:09:32,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:09:32,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:09:32,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:09:32,926 INFO L87 Difference]: Start difference. First operand 360 states and 510 transitions. Second operand has 4 states, 4 states have (on average 55.5) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:09:37,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:09:37,909 INFO L93 Difference]: Finished difference Result 1430 states and 2032 transitions. [2021-10-16 02:09:37,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:09:37,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 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 142 [2021-10-16 02:09:37,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:09:37,916 INFO L225 Difference]: With dead ends: 1430 [2021-10-16 02:09:37,917 INFO L226 Difference]: Without dead ends: 1072 [2021-10-16 02:09:37,919 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:09:37,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2021-10-16 02:09:37,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2021-10-16 02:09:37,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1071 states have (on average 1.3165266106442577) internal successors, (1410), 1071 states have internal predecessors, (1410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:09:37,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1410 transitions. [2021-10-16 02:09:37,981 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1410 transitions. Word has length 142 [2021-10-16 02:09:37,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:09:37,982 INFO L470 AbstractCegarLoop]: Abstraction has 1072 states and 1410 transitions. [2021-10-16 02:09:37,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:09:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1410 transitions. [2021-10-16 02:09:37,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-10-16 02:09:37,996 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:09:37,997 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, 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] [2021-10-16 02:09:38,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 02:09:38,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:09:38,225 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:09:38,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:09:38,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1089725456, now seen corresponding path program 1 times [2021-10-16 02:09:38,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:09:38,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [364784503] [2021-10-16 02:09:38,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:09:38,230 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:09:38,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:09:38,231 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:09:38,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 02:09:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:09:38,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 02:09:38,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:09:39,867 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:09:39,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:09:44,799 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:09:44,800 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:09:44,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [364784503] [2021-10-16 02:09:44,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [364784503] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:09:44,801 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:09:44,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:09:44,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800731961] [2021-10-16 02:09:44,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:09:44,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:09:44,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:09:44,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:09:44,804 INFO L87 Difference]: Start difference. First operand 1072 states and 1410 transitions. Second operand has 4 states, 4 states have (on average 84.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:09:52,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:09:52,347 INFO L93 Difference]: Finished difference Result 2498 states and 3356 transitions. [2021-10-16 02:09:52,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:09:52,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 84.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 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 199 [2021-10-16 02:09:52,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:09:52,358 INFO L225 Difference]: With dead ends: 2498 [2021-10-16 02:09:52,358 INFO L226 Difference]: Without dead ends: 1606 [2021-10-16 02:09:52,360 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 48.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:09:52,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2021-10-16 02:09:52,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606. [2021-10-16 02:09:52,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1605 states have (on average 1.3115264797507789) internal successors, (2105), 1605 states have internal predecessors, (2105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:09:52,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2105 transitions. [2021-10-16 02:09:52,409 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2105 transitions. Word has length 199 [2021-10-16 02:09:52,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:09:52,410 INFO L470 AbstractCegarLoop]: Abstraction has 1606 states and 2105 transitions. [2021-10-16 02:09:52,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:09:52,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2105 transitions. [2021-10-16 02:09:52,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-10-16 02:09:52,416 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:09:52,416 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:09:52,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 02:09:52,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:09:52,632 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:09:52,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:09:52,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1057921197, now seen corresponding path program 1 times [2021-10-16 02:09:52,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:09:52,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897569788] [2021-10-16 02:09:52,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:09:52,635 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:09:52,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:09:52,644 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:09:52,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 02:09:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:09:53,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:09:53,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:09:53,881 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-10-16 02:09:53,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:09:54,492 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-10-16 02:09:54,493 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:09:54,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897569788] [2021-10-16 02:09:54,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897569788] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:09:54,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:09:54,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:09:54,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408202105] [2021-10-16 02:09:54,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:09:54,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:09:54,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:09:54,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:09:54,496 INFO L87 Difference]: Start difference. First operand 1606 states and 2105 transitions. Second operand has 4 states, 4 states have (on average 56.75) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:09:58,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:09:58,796 INFO L93 Difference]: Finished difference Result 4456 states and 6001 transitions. [2021-10-16 02:09:58,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:09:58,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.75) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 220 [2021-10-16 02:09:58,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:09:58,814 INFO L225 Difference]: With dead ends: 4456 [2021-10-16 02:09:58,815 INFO L226 Difference]: Without dead ends: 3030 [2021-10-16 02:09:58,817 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 436 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:09:58,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2021-10-16 02:09:58,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2496. [2021-10-16 02:09:58,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 2495 states have (on average 1.2509018036072144) internal successors, (3121), 2495 states have internal predecessors, (3121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:09:58,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 3121 transitions. [2021-10-16 02:09:58,882 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 3121 transitions. Word has length 220 [2021-10-16 02:09:58,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:09:58,883 INFO L470 AbstractCegarLoop]: Abstraction has 2496 states and 3121 transitions. [2021-10-16 02:09:58,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.75) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:09:58,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 3121 transitions. [2021-10-16 02:09:58,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-10-16 02:09:58,887 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:09:58,887 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:09:58,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 02:09:59,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:09:59,102 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:09:59,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:09:59,104 INFO L82 PathProgramCache]: Analyzing trace with hash -128243222, now seen corresponding path program 1 times [2021-10-16 02:09:59,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:09:59,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [402403581] [2021-10-16 02:09:59,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:09:59,119 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:09:59,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:09:59,120 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:09:59,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 02:09:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:09:59,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:09:59,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:10:01,402 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-16 02:10:01,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:10:02,978 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-16 02:10:02,979 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:10:02,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [402403581] [2021-10-16 02:10:02,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [402403581] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:10:02,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:10:02,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-16 02:10:02,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145793574] [2021-10-16 02:10:02,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 02:10:02,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:10:02,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 02:10:02,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:10:02,983 INFO L87 Difference]: Start difference. First operand 2496 states and 3121 transitions. Second operand has 6 states, 6 states have (on average 52.166666666666664) internal successors, (313), 5 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:10:08,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:10:08,310 INFO L93 Difference]: Finished difference Result 5226 states and 6512 transitions. [2021-10-16 02:10:08,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 02:10:08,314 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 52.166666666666664) internal successors, (313), 5 states have internal predecessors, (313), 0 states have call successors, (0), 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 234 [2021-10-16 02:10:08,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:10:08,329 INFO L225 Difference]: With dead ends: 5226 [2021-10-16 02:10:08,330 INFO L226 Difference]: Without dead ends: 2852 [2021-10-16 02:10:08,333 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 50.8ms TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:10:08,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2021-10-16 02:10:08,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2496. [2021-10-16 02:10:08,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 2495 states have (on average 1.0945891783567134) internal successors, (2731), 2495 states have internal predecessors, (2731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:10:08,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2731 transitions. [2021-10-16 02:10:08,399 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2731 transitions. Word has length 234 [2021-10-16 02:10:08,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:10:08,400 INFO L470 AbstractCegarLoop]: Abstraction has 2496 states and 2731 transitions. [2021-10-16 02:10:08,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.166666666666664) internal successors, (313), 5 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:10:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2731 transitions. [2021-10-16 02:10:08,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-10-16 02:10:08,407 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:10:08,407 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 02:10:08,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 02:10:08,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:10:08,627 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:10:08,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:10:08,628 INFO L82 PathProgramCache]: Analyzing trace with hash -504139761, now seen corresponding path program 1 times [2021-10-16 02:10:08,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:10:08,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159206451] [2021-10-16 02:10:08,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:10:08,630 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:10:08,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:10:08,631 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:10:08,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 02:10:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:10:09,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 02:10:09,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:10:11,833 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-10-16 02:10:11,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:10:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-10-16 02:10:16,533 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:10:16,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159206451] [2021-10-16 02:10:16,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159206451] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:10:16,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:10:16,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:10:16,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081969201] [2021-10-16 02:10:16,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:10:16,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:10:16,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:10:16,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:10:16,538 INFO L87 Difference]: Start difference. First operand 2496 states and 2731 transitions. Second operand has 4 states, 4 states have (on average 83.75) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:10:21,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:10:21,429 INFO L93 Difference]: Finished difference Result 5524 states and 6075 transitions. [2021-10-16 02:10:21,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:10:21,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 83.75) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 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 367 [2021-10-16 02:10:21,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:10:21,448 INFO L225 Difference]: With dead ends: 5524 [2021-10-16 02:10:21,448 INFO L226 Difference]: Without dead ends: 3208 [2021-10-16 02:10:21,451 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 732 GetRequests, 730 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:10:21,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2021-10-16 02:10:21,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2852. [2021-10-16 02:10:21,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2851 states have (on average 1.0887407927043142) internal successors, (3104), 2851 states have internal predecessors, (3104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:10:21,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3104 transitions. [2021-10-16 02:10:21,519 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3104 transitions. Word has length 367 [2021-10-16 02:10:21,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:10:21,519 INFO L470 AbstractCegarLoop]: Abstraction has 2852 states and 3104 transitions. [2021-10-16 02:10:21,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.75) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:10:21,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3104 transitions. [2021-10-16 02:10:21,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2021-10-16 02:10:21,532 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:10:21,533 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:10:21,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-16 02:10:21,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:10:21,748 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:10:21,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:10:21,750 INFO L82 PathProgramCache]: Analyzing trace with hash 559870709, now seen corresponding path program 1 times [2021-10-16 02:10:21,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:10:21,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049885437] [2021-10-16 02:10:21,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:10:21,754 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:10:21,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:10:21,755 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:10:21,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-16 02:10:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:10:23,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-16 02:10:23,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:10:32,677 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 243 proven. 416 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-10-16 02:10:32,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:10:57,631 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 590 proven. 69 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-10-16 02:10:57,631 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:10:57,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049885437] [2021-10-16 02:10:57,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049885437] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:10:57,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [369074776] [2021-10-16 02:10:57,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:10:57,632 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:10:57,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:10:57,634 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:10:57,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-16 02:11:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:11:02,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:11:02,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:11:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2021-10-16 02:11:04,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:11:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2021-10-16 02:11:06,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [369074776] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:11:06,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 02:11:06,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [10, 10] total 26 [2021-10-16 02:11:06,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477406448] [2021-10-16 02:11:06,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-16 02:11:06,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:11:06,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-16 02:11:06,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2021-10-16 02:11:06,139 INFO L87 Difference]: Start difference. First operand 2852 states and 3104 transitions. Second operand has 10 states, 10 states have (on average 25.2) internal successors, (252), 10 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:11:10,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:11:10,158 INFO L93 Difference]: Finished difference Result 7248 states and 7879 transitions. [2021-10-16 02:11:10,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 02:11:10,159 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 25.2) internal successors, (252), 10 states have internal predecessors, (252), 0 states have call successors, (0), 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 501 [2021-10-16 02:11:10,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:11:10,160 INFO L225 Difference]: With dead ends: 7248 [2021-10-16 02:11:10,160 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 02:11:10,167 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2002 GetRequests, 1977 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1152.5ms TimeCoverageRelationStatistics Valid=202, Invalid=500, Unknown=0, NotChecked=0, Total=702 [2021-10-16 02:11:10,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 02:11:10,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 02:11:10,167 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) [2021-10-16 02:11:10,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 02:11:10,168 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 501 [2021-10-16 02:11:10,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:11:10,168 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 02:11:10,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 25.2) internal successors, (252), 10 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:11:10,169 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 02:11:10,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 02:11:10,172 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:11:10,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-16 02:11:10,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-16 02:11:10,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:11:10,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 02:11:10,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:11:10,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:11:10,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:11:11,760 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2021-10-16 02:11:11,760 INFO L857 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2021-10-16 02:11:11,760 INFO L857 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2021-10-16 02:11:11,760 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2021-10-16 02:11:11,760 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2021-10-16 02:11:11,760 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,761 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,761 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,761 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2021-10-16 02:11:11,761 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2021-10-16 02:11:11,761 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-16 02:11:11,762 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-16 02:11:11,762 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-16 02:11:11,762 INFO L857 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2021-10-16 02:11:11,762 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2021-10-16 02:11:11,762 INFO L857 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2021-10-16 02:11:11,763 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,763 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,763 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,763 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2021-10-16 02:11:11,763 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-16 02:11:11,763 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-16 02:11:11,764 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-16 02:11:11,766 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2021-10-16 02:11:11,766 INFO L857 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2021-10-16 02:11:11,767 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2021-10-16 02:11:11,768 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2021-10-16 02:11:11,768 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2021-10-16 02:11:11,768 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,768 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,768 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,768 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2021-10-16 02:11:11,769 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-16 02:11:11,770 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-16 02:11:11,770 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-16 02:11:11,770 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2021-10-16 02:11:11,771 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2021-10-16 02:11:11,771 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2021-10-16 02:11:11,771 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,771 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,771 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,771 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2021-10-16 02:11:11,772 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-16 02:11:11,772 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-16 02:11:11,772 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-16 02:11:11,772 INFO L857 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2021-10-16 02:11:11,772 INFO L857 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2021-10-16 02:11:11,773 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2021-10-16 02:11:11,773 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2021-10-16 02:11:11,773 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,773 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,773 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,773 INFO L857 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2021-10-16 02:11:11,773 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2021-10-16 02:11:11,773 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-16 02:11:11,773 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-16 02:11:11,773 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-16 02:11:11,773 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2021-10-16 02:11:11,773 INFO L857 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2021-10-16 02:11:11,774 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2021-10-16 02:11:11,774 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,774 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,774 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,774 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2021-10-16 02:11:11,774 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-16 02:11:11,774 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-16 02:11:11,774 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-16 02:11:11,774 INFO L857 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2021-10-16 02:11:11,774 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2021-10-16 02:11:11,774 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2021-10-16 02:11:11,775 INFO L857 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2021-10-16 02:11:11,775 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2021-10-16 02:11:11,775 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,775 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,775 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,775 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2021-10-16 02:11:11,775 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-16 02:11:11,775 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-16 02:11:11,775 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-16 02:11:11,775 INFO L857 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2021-10-16 02:11:11,775 INFO L857 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2021-10-16 02:11:11,775 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2021-10-16 02:11:11,776 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 02:11:11,776 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,776 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,776 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,776 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2021-10-16 02:11:11,776 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-16 02:11:11,776 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-16 02:11:11,776 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-16 02:11:11,776 INFO L857 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2021-10-16 02:11:11,776 INFO L857 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2021-10-16 02:11:11,776 INFO L857 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2021-10-16 02:11:11,776 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2021-10-16 02:11:11,777 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2021-10-16 02:11:11,777 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,777 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,777 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,777 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2021-10-16 02:11:11,777 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-16 02:11:11,777 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-16 02:11:11,777 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-16 02:11:11,777 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2021-10-16 02:11:11,777 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2021-10-16 02:11:11,777 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2021-10-16 02:11:11,778 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2021-10-16 02:11:11,778 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,778 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,782 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,782 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-16 02:11:11,782 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-16 02:11:11,782 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-16 02:11:11,783 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 02:11:11,783 INFO L857 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2021-10-16 02:11:11,783 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2021-10-16 02:11:11,783 INFO L857 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2021-10-16 02:11:11,783 INFO L857 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2021-10-16 02:11:11,784 INFO L857 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2021-10-16 02:11:11,785 INFO L857 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2021-10-16 02:11:11,785 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,785 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,785 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,785 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2021-10-16 02:11:11,786 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2021-10-16 02:11:11,786 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-16 02:11:11,786 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-16 02:11:11,786 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-16 02:11:11,786 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2021-10-16 02:11:11,786 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2021-10-16 02:11:11,787 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2021-10-16 02:11:11,787 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,787 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,787 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,787 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-16 02:11:11,788 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-16 02:11:11,788 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-16 02:11:11,788 INFO L857 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2021-10-16 02:11:11,788 INFO L857 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2021-10-16 02:11:11,788 INFO L857 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2021-10-16 02:11:11,788 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2021-10-16 02:11:11,789 INFO L857 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2021-10-16 02:11:11,789 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,789 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,789 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,789 INFO L857 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2021-10-16 02:11:11,789 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2021-10-16 02:11:11,790 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-16 02:11:11,790 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-16 02:11:11,790 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-16 02:11:11,790 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2021-10-16 02:11:11,790 INFO L857 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2021-10-16 02:11:11,790 INFO L857 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2021-10-16 02:11:11,790 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,791 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,791 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,791 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2021-10-16 02:11:11,791 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-16 02:11:11,792 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-16 02:11:11,792 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-16 02:11:11,792 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2021-10-16 02:11:11,792 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2021-10-16 02:11:11,792 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2021-10-16 02:11:11,792 INFO L857 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2021-10-16 02:11:11,793 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,793 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,793 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,793 INFO L857 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2021-10-16 02:11:11,793 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-16 02:11:11,793 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-16 02:11:11,793 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-16 02:11:11,794 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2021-10-16 02:11:11,794 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2021-10-16 02:11:11,794 INFO L857 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2021-10-16 02:11:11,794 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2021-10-16 02:11:11,794 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,794 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,795 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2021-10-16 02:11:11,795 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-16 02:11:11,795 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-16 02:11:11,795 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2021-10-16 02:11:11,795 INFO L857 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2021-10-16 02:11:11,795 INFO L857 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2021-10-16 02:11:11,796 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2021-10-16 02:11:11,796 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2021-10-16 02:11:11,796 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,796 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,796 INFO L857 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2021-10-16 02:11:11,796 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 02:11:11,796 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-16 02:11:11,797 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-16 02:11:11,797 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2021-10-16 02:11:11,797 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2021-10-16 02:11:11,797 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2021-10-16 02:11:11,797 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,797 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,798 INFO L853 garLoopResultBuilder]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse5 (not (bvsge (_ bv11 32) ~a12~0)))) (let ((.cse0 (not (= ~a15~0 (_ bv9 32)))) (.cse4 (= (_ bv1 32) ~a24~0)) (.cse1 (or (not (= (_ bv7 32) ~a21~0)) (not (bvslt (_ bv4294967253 32) ~a12~0)) .cse5)) (.cse3 (bvsle ~a12~0 (_ bv4294967253 32))) (.cse2 (not (= (_ bv6 32) ~a21~0)))) (or (and .cse0 .cse1) (and (not (= (_ bv10 32) ~a21~0)) .cse2 .cse1) (and .cse3 .cse4) (and .cse0 (or (not .cse4) (not (= (_ bv5 32) ~a15~0)))) (and .cse1 (not .cse3) (or .cse2 .cse5))))) [2021-10-16 02:11:11,798 INFO L857 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2021-10-16 02:11:11,798 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2021-10-16 02:11:11,798 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-16 02:11:11,799 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-16 02:11:11,799 INFO L857 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2021-10-16 02:11:11,799 INFO L857 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2021-10-16 02:11:11,799 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2021-10-16 02:11:11,799 INFO L857 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2021-10-16 02:11:11,799 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,800 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,800 INFO L860 garLoopResultBuilder]: At program point L884(lines 884 900) the Hoare annotation is: true [2021-10-16 02:11:11,800 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2021-10-16 02:11:11,800 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2021-10-16 02:11:11,800 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-16 02:11:11,800 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-16 02:11:11,800 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2021-10-16 02:11:11,801 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2021-10-16 02:11:11,801 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2021-10-16 02:11:11,801 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,801 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,801 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 02:11:11,801 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2021-10-16 02:11:11,802 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2021-10-16 02:11:11,802 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-16 02:11:11,802 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-16 02:11:11,802 INFO L857 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2021-10-16 02:11:11,802 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2021-10-16 02:11:11,802 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,802 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,803 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-10-16 02:11:11,803 INFO L857 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,803 INFO L857 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2021-10-16 02:11:11,803 INFO L853 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse5 (not (bvsge (_ bv11 32) ~a12~0)))) (let ((.cse0 (not (= ~a15~0 (_ bv9 32)))) (.cse4 (= (_ bv1 32) ~a24~0)) (.cse1 (or (not (= (_ bv7 32) ~a21~0)) (not (bvslt (_ bv4294967253 32) ~a12~0)) .cse5)) (.cse3 (bvsle ~a12~0 (_ bv4294967253 32))) (.cse2 (not (= (_ bv6 32) ~a21~0)))) (or (and .cse0 .cse1) (and (not (= (_ bv10 32) ~a21~0)) .cse2 .cse1) (and .cse3 .cse4) (and .cse0 (or (not .cse4) (not (= (_ bv5 32) ~a15~0)))) (and .cse1 (not .cse3) (or .cse2 .cse5))))) [2021-10-16 02:11:11,803 INFO L857 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2021-10-16 02:11:11,804 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2021-10-16 02:11:11,804 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-16 02:11:11,804 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-16 02:11:11,804 INFO L857 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-10-16 02:11:11,804 INFO L857 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2021-10-16 02:11:11,804 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2021-10-16 02:11:11,805 INFO L857 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2021-10-16 02:11:11,805 INFO L857 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2021-10-16 02:11:11,805 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,805 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,805 INFO L857 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2021-10-16 02:11:11,805 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2021-10-16 02:11:11,805 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-16 02:11:11,806 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-16 02:11:11,806 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-16 02:11:11,810 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:11:11,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:11:11 BoogieIcfgContainer [2021-10-16 02:11:11,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:11:11,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:11:11,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:11:11,840 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:11:11,841 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:09:21" (3/4) ... [2021-10-16 02:11:11,844 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:11:11,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-16 02:11:11,896 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 02:11:11,898 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:11:11,900 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:11:12,071 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:11:12,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:11:12,073 INFO L168 Benchmark]: Toolchain (without parser) took 116102.80 ms. Allocated memory was 62.9 MB in the beginning and 308.3 MB in the end (delta: 245.4 MB). Free memory was 41.4 MB in the beginning and 143.7 MB in the end (delta: -102.3 MB). Peak memory consumption was 142.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:11:12,073 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 62.9 MB. Free memory is still 44.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:11:12,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 874.55 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 41.1 MB in the beginning and 40.4 MB in the end (delta: 688.5 kB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:11:12,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.04 ms. Allocated memory is still 77.6 MB. Free memory was 40.4 MB in the beginning and 55.4 MB in the end (delta: -15.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:11:12,075 INFO L168 Benchmark]: Boogie Preprocessor took 141.55 ms. Allocated memory is still 77.6 MB. Free memory was 55.4 MB in the beginning and 50.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:11:12,076 INFO L168 Benchmark]: RCFGBuilder took 3967.02 ms. Allocated memory was 77.6 MB in the beginning and 100.7 MB in the end (delta: 23.1 MB). Free memory was 50.3 MB in the beginning and 74.9 MB in the end (delta: -24.6 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:11:12,076 INFO L168 Benchmark]: TraceAbstraction took 110767.60 ms. Allocated memory was 100.7 MB in the beginning and 308.3 MB in the end (delta: 207.6 MB). Free memory was 74.3 MB in the beginning and 162.6 MB in the end (delta: -88.2 MB). Peak memory consumption was 205.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:11:12,077 INFO L168 Benchmark]: Witness Printer took 231.57 ms. Allocated memory is still 308.3 MB. Free memory was 162.6 MB in the beginning and 143.7 MB in the end (delta: 18.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:11:12,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 62.9 MB. Free memory is still 44.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 874.55 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 41.1 MB in the beginning and 40.4 MB in the end (delta: 688.5 kB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.04 ms. Allocated memory is still 77.6 MB. Free memory was 40.4 MB in the beginning and 55.4 MB in the end (delta: -15.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 141.55 ms. Allocated memory is still 77.6 MB. Free memory was 55.4 MB in the beginning and 50.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3967.02 ms. Allocated memory was 77.6 MB in the beginning and 100.7 MB in the end (delta: 23.1 MB). Free memory was 50.3 MB in the beginning and 74.9 MB in the end (delta: -24.6 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 110767.60 ms. Allocated memory was 100.7 MB in the beginning and 308.3 MB in the end (delta: 207.6 MB). Free memory was 74.3 MB in the beginning and 162.6 MB in the end (delta: -88.2 MB). Peak memory consumption was 205.2 MB. Max. memory is 16.1 GB. * Witness Printer took 231.57 ms. Allocated memory is still 308.3 MB. Free memory was 162.6 MB in the beginning and 143.7 MB in the end (delta: 18.9 MB). Peak memory consumption was 16.8 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: 203]: 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, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 110659.3ms, OverallIterations: 7, TraceHistogramMax: 5, EmptinessCheckTime: 65.0ms, AutomataDifference: 39969.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1172.4ms, InitialAbstractionConstructionTime: 21.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 390 SDtfs, 2044 SDslu, 94 SDs, 0 SdLazy, 7099 SolverSat, 1199 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34165.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4440 GetRequests, 4401 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1316.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2852occurred in iteration=6, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 375.9ms AutomataMinimizationTime, 7 MinimizatonAttempts, 1424 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 66 NumberOfFragments, 179 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2788 FormulaSimplificationTreeSizeReduction, 417.6ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 2574 FormulaSimplificationTreeSizeReductionInter, 747.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 205.1ms SsaConstructionTime, 868.4ms SatisfiabilityAnalysisTime, 58676.5ms InterpolantComputationTime, 2227 NumberOfCodeBlocks, 2227 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 4438 ConstructedInterpolants, 0 QuantifiedInterpolants, 45197 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2655 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 4427/4912 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: 30]: Loop Invariant Derived loop invariant: ((((!(a15 == 9bv32) && ((!(7bv32 == a21) || !~bvslt32(4294967253bv32, a12)) || !~bvsge32(11bv32, a12))) || ((!(10bv32 == a21) && !(6bv32 == a21)) && ((!(7bv32 == a21) || !~bvslt32(4294967253bv32, a12)) || !~bvsge32(11bv32, a12)))) || (~bvsle32(a12, 4294967253bv32) && 1bv32 == a24)) || (!(a15 == 9bv32) && (!(1bv32 == a24) || !(5bv32 == a15)))) || ((((!(7bv32 == a21) || !~bvslt32(4294967253bv32, a12)) || !~bvsge32(11bv32, a12)) && !~bvsle32(a12, 4294967253bv32)) && (!(6bv32 == a21) || !~bvsge32(11bv32, a12))) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((!(a15 == 9bv32) && ((!(7bv32 == a21) || !~bvslt32(4294967253bv32, a12)) || !~bvsge32(11bv32, a12))) || ((!(10bv32 == a21) && !(6bv32 == a21)) && ((!(7bv32 == a21) || !~bvslt32(4294967253bv32, a12)) || !~bvsge32(11bv32, a12)))) || (~bvsle32(a12, 4294967253bv32) && 1bv32 == a24)) || (!(a15 == 9bv32) && (!(1bv32 == a24) || !(5bv32 == a15)))) || ((((!(7bv32 == a21) || !~bvslt32(4294967253bv32, a12)) || !~bvsge32(11bv32, a12)) && !~bvsle32(a12, 4294967253bv32)) && (!(6bv32 == a21) || !~bvsge32(11bv32, a12))) RESULT: Ultimate proved your program to be correct! [2021-10-16 02:11:12,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2bed649-1bc3-4599-83c2-ba230d27d5bc/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...