./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8 --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 f148fc9ce65faa66ebebdaf3c4bc47bc200a3ebfe7e123b8276da7aa11779ba7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:06:59,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:06:59,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:06:59,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:06:59,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:06:59,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:06:59,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:06:59,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:06:59,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:06:59,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:06:59,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:06:59,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:06:59,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:06:59,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:06:59,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:06:59,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:06:59,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:06:59,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:06:59,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:06:59,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:06:59,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:06:59,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:06:59,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:06:59,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:06:59,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:06:59,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:06:59,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:06:59,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:06:59,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:06:59,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:06:59,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:06:59,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:06:59,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:06:59,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:06:59,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:06:59,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:06:59,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:06:59,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:06:59,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:06:59,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:06:59,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:06:59,175 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:06:59,227 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:06:59,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:06:59,229 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:06:59,229 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:06:59,230 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:06:59,230 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:06:59,230 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:06:59,230 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:06:59,237 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:06:59,237 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:06:59,238 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:06:59,238 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:06:59,239 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:06:59,239 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:06:59,239 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:06:59,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:06:59,240 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:06:59,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:06:59,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:06:59,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:06:59,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:06:59,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:06:59,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:06:59,242 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:06:59,242 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:06:59,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:06:59,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:06:59,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:06:59,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:06:59,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:06:59,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:06:59,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:06:59,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:06:59,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:06:59,245 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:06:59,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:06:59,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:06:59,245 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:06:59,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:06:59,246 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_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f148fc9ce65faa66ebebdaf3c4bc47bc200a3ebfe7e123b8276da7aa11779ba7 [2021-11-07 01:06:59,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:06:59,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:06:59,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:06:59,562 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:06:59,563 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:06:59,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2021-11-07 01:06:59,662 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/data/7b8b3f249/159346352adc4b7996d8aba97e599b9f/FLAG52bef763d [2021-11-07 01:07:00,210 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:07:00,215 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2021-11-07 01:07:00,238 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/data/7b8b3f249/159346352adc4b7996d8aba97e599b9f/FLAG52bef763d [2021-11-07 01:07:00,482 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/data/7b8b3f249/159346352adc4b7996d8aba97e599b9f [2021-11-07 01:07:00,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:07:00,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:07:00,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:07:00,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:07:00,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:07:00,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:07:00" (1/1) ... [2021-11-07 01:07:00,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d07cc33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:00, skipping insertion in model container [2021-11-07 01:07:00,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:07:00" (1/1) ... [2021-11-07 01:07:00,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:07:00,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:07:00,772 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_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c[4901,4914] [2021-11-07 01:07:00,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:07:00,901 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:07:00,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f97fc08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:00, skipping insertion in model container [2021-11-07 01:07:00,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:07:00,905 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:07:00,907 INFO L168 Benchmark]: Toolchain (without parser) took 420.89 ms. Allocated memory is still 94.4 MB. Free memory was 59.8 MB in the beginning and 66.6 MB in the end (delta: -6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:00,909 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:07:00,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.93 ms. Allocated memory is still 94.4 MB. Free memory was 59.6 MB in the beginning and 66.6 MB in the end (delta: -7.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:00,913 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 417.93 ms. Allocated memory is still 94.4 MB. Free memory was 59.6 MB in the beginning and 66.6 MB in the end (delta: -7.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 338]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8 --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 f148fc9ce65faa66ebebdaf3c4bc47bc200a3ebfe7e123b8276da7aa11779ba7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:07:03,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:07:03,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:07:03,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:07:03,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:07:03,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:07:03,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:07:03,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:07:03,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:07:03,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:07:03,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:07:03,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:07:03,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:07:03,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:07:03,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:07:03,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:07:03,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:07:03,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:07:03,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:07:03,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:07:03,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:07:03,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:07:03,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:07:03,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:07:03,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:07:03,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:07:03,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:07:03,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:07:03,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:07:03,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:07:03,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:07:03,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:07:03,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:07:03,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:07:03,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:07:03,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:07:03,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:07:03,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:07:03,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:07:03,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:07:03,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:07:03,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:07:03,411 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:07:03,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:07:03,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:07:03,413 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:07:03,414 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:07:03,414 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:07:03,414 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:07:03,414 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:07:03,414 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:07:03,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:07:03,417 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:07:03,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:07:03,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:07:03,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:07:03,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:07:03,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:07:03,418 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:07:03,419 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:07:03,419 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:07:03,419 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:07:03,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:07:03,419 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:07:03,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:07:03,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:07:03,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:07:03,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:07:03,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:07:03,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:07:03,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:07:03,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:07:03,421 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:07:03,422 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:07:03,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:07:03,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:07:03,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:07:03,423 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_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f148fc9ce65faa66ebebdaf3c4bc47bc200a3ebfe7e123b8276da7aa11779ba7 [2021-11-07 01:07:03,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:07:03,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:07:03,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:07:03,852 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:07:03,856 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:07:03,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2021-11-07 01:07:03,931 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/data/e86ccdf51/98e7d001ab36495982a8eb5688312758/FLAGcc22cb4e7 [2021-11-07 01:07:04,578 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:07:04,579 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2021-11-07 01:07:04,602 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/data/e86ccdf51/98e7d001ab36495982a8eb5688312758/FLAGcc22cb4e7 [2021-11-07 01:07:04,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/data/e86ccdf51/98e7d001ab36495982a8eb5688312758 [2021-11-07 01:07:04,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:07:04,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:07:04,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:07:04,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:07:04,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:07:04,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:07:04" (1/1) ... [2021-11-07 01:07:04,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257fab52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:04, skipping insertion in model container [2021-11-07 01:07:04,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:07:04" (1/1) ... [2021-11-07 01:07:04,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:07:04,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:07:05,141 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_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c[4901,4914] [2021-11-07 01:07:05,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:07:05,280 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:07:05,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:07:05,305 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_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c[4901,4914] [2021-11-07 01:07:05,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:07:05,396 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:07:05,422 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_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c[4901,4914] [2021-11-07 01:07:05,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:07:05,482 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:07:05,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:05 WrapperNode [2021-11-07 01:07:05,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:07:05,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:07:05,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:07:05,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:07:05,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:05" (1/1) ... [2021-11-07 01:07:05,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:05" (1/1) ... [2021-11-07 01:07:05,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:07:05,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:07:05,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:07:05,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:07:05,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:05" (1/1) ... [2021-11-07 01:07:05,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:05" (1/1) ... [2021-11-07 01:07:05,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:05" (1/1) ... [2021-11-07 01:07:05,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:05" (1/1) ... [2021-11-07 01:07:05,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:05" (1/1) ... [2021-11-07 01:07:05,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:05" (1/1) ... [2021-11-07 01:07:05,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:05" (1/1) ... [2021-11-07 01:07:05,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:07:05,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:07:05,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:07:05,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:07:05,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:05" (1/1) ... [2021-11-07 01:07:05,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:07:05,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:07:05,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:07:05,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:07:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:07:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:07:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:07:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:07:08,050 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:07:08,050 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-11-07 01:07:08,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:07:08 BoogieIcfgContainer [2021-11-07 01:07:08,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:07:08,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:07:08,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:07:08,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:07:08,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:07:04" (1/3) ... [2021-11-07 01:07:08,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1f6cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:07:08, skipping insertion in model container [2021-11-07 01:07:08,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:05" (2/3) ... [2021-11-07 01:07:08,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1f6cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:07:08, skipping insertion in model container [2021-11-07 01:07:08,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:07:08" (3/3) ... [2021-11-07 01:07:08,060 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2021-11-07 01:07:08,066 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:07:08,066 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:07:08,116 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:07:08,122 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2021-11-07 01:07:08,122 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:07:08,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:08,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:07:08,146 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:08,146 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:07:08,147 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:07:08,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:08,158 INFO L85 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2021-11-07 01:07:08,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:08,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950093315] [2021-11-07 01:07:08,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:08,175 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:08,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:08,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:08,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:07:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:08,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:07:08,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:08,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:08,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:08,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:08,512 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:08,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950093315] [2021-11-07 01:07:08,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950093315] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:08,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:08,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:07:08,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255091083] [2021-11-07 01:07:08,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:07:08,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:08,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:07:08,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:07:08,535 INFO L87 Difference]: Start difference. First operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 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 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:08,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:08,564 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-11-07 01:07:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:07:08,565 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-11-07 01:07:08,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:08,575 INFO L225 Difference]: With dead ends: 136 [2021-11-07 01:07:08,575 INFO L226 Difference]: Without dead ends: 67 [2021-11-07 01:07:08,578 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:07:08,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-11-07 01:07:08,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-11-07 01:07:08,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 64 states have (on average 1.453125) internal successors, (93), 66 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:08,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-11-07 01:07:08,614 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2021-11-07 01:07:08,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:08,615 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-11-07 01:07:08,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:08,615 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-11-07 01:07:08,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:07:08,616 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:08,616 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:07:08,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:08,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:08,829 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:07:08,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:08,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2021-11-07 01:07:08,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:08,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926356142] [2021-11-07 01:07:08,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:08,831 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:08,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:08,832 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:08,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:07:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:09,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:07:09,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:09,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:09,232 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:09,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1926356142] [2021-11-07 01:07:09,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1926356142] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:09,232 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:09,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:07:09,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966830456] [2021-11-07 01:07:09,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:07:09,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:09,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:07:09,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:07:09,242 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:09,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:09,270 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2021-11-07 01:07:09,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:07:09,271 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 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 17 [2021-11-07 01:07:09,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:09,272 INFO L225 Difference]: With dead ends: 67 [2021-11-07 01:07:09,272 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:07:09,273 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:07:09,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:07:09,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:07:09,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:09,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-11-07 01:07:09,278 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-11-07 01:07:09,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:09,278 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-11-07 01:07:09,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:09,279 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-11-07 01:07:09,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:07:09,280 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:09,280 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:07:09,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:09,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:09,484 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:07:09,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:09,487 INFO L85 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2021-11-07 01:07:09,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:09,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1702224957] [2021-11-07 01:07:09,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:09,490 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:09,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:09,492 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:09,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:07:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:09,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:07:09,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:09,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:09,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:09,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:09,837 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:09,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1702224957] [2021-11-07 01:07:09,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1702224957] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:09,838 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:09,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:07:09,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140987878] [2021-11-07 01:07:09,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:07:09,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:09,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:07:09,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:07:09,840 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:09,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:09,886 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2021-11-07 01:07:09,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:07:09,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 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 22 [2021-11-07 01:07:09,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:09,890 INFO L225 Difference]: With dead ends: 110 [2021-11-07 01:07:09,891 INFO L226 Difference]: Without dead ends: 83 [2021-11-07 01:07:09,892 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:07:09,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-11-07 01:07:09,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2021-11-07 01:07:09,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 51 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:09,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2021-11-07 01:07:09,909 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2021-11-07 01:07:09,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:09,909 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2021-11-07 01:07:09,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:09,909 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2021-11-07 01:07:09,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:07:09,910 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:09,911 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:07:09,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:10,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:10,120 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:07:10,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:10,121 INFO L85 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2021-11-07 01:07:10,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:10,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974163652] [2021-11-07 01:07:10,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:10,122 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:10,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:10,125 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:10,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:07:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:10,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:07:10,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:10,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:10,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:10,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:10,516 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:10,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974163652] [2021-11-07 01:07:10,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [974163652] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:10,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:10,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:07:10,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548709157] [2021-11-07 01:07:10,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:07:10,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:10,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:07:10,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:07:10,519 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:10,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:10,664 INFO L93 Difference]: Finished difference Result 237 states and 363 transitions. [2021-11-07 01:07:10,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:07:10,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2021-11-07 01:07:10,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:10,668 INFO L225 Difference]: With dead ends: 237 [2021-11-07 01:07:10,671 INFO L226 Difference]: Without dead ends: 191 [2021-11-07 01:07:10,672 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:07:10,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-11-07 01:07:10,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 92. [2021-11-07 01:07:10,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.4615384615384615) internal successors, (133), 91 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:10,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2021-11-07 01:07:10,702 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 23 [2021-11-07 01:07:10,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:10,703 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2021-11-07 01:07:10,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:10,704 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2021-11-07 01:07:10,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:07:10,706 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:07:10,706 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:07:10,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:10,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:10,923 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:07:10,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:07:10,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1962564181, now seen corresponding path program 1 times [2021-11-07 01:07:10,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:07:10,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [262743777] [2021-11-07 01:07:10,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:07:10,925 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:07:10,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:07:10,926 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:07:10,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:07:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:07:11,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:07:11,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:07:11,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:11,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:07:11,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:07:11,312 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:07:11,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [262743777] [2021-11-07 01:07:11,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [262743777] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:07:11,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:07:11,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:07:11,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002620351] [2021-11-07 01:07:11,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:07:11,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:07:11,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:07:11,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:07:11,318 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:11,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:07:11,437 INFO L93 Difference]: Finished difference Result 282 states and 419 transitions. [2021-11-07 01:07:11,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:07:11,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2021-11-07 01:07:11,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:07:11,439 INFO L225 Difference]: With dead ends: 282 [2021-11-07 01:07:11,439 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:07:11,440 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:07:11,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:07:11,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:07:11,441 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) [2021-11-07 01:07:11,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:07:11,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-11-07 01:07:11,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:07:11,442 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:07:11,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:07:11,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:07:11,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:07:11,445 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:07:11,446 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:07:11,446 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:07:11,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:07:11,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:07:11,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:07:11,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:11,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:07:12,064 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2021-11-07 01:07:12,065 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:07:12,066 INFO L857 garLoopResultBuilder]: For program point L218(lines 218 222) no Hoare annotation was computed. [2021-11-07 01:07:12,066 INFO L857 garLoopResultBuilder]: For program point L218-1(lines 687 693) no Hoare annotation was computed. [2021-11-07 01:07:12,066 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-11-07 01:07:12,067 INFO L853 garLoopResultBuilder]: At program point L780(lines 773 783) the Hoare annotation is: false [2021-11-07 01:07:12,067 INFO L853 garLoopResultBuilder]: At program point L780-1(lines 773 783) the Hoare annotation is: false [2021-11-07 01:07:12,067 INFO L853 garLoopResultBuilder]: At program point L780-2(lines 773 783) the Hoare annotation is: false [2021-11-07 01:07:12,067 INFO L853 garLoopResultBuilder]: At program point L913(lines 862 914) the Hoare annotation is: false [2021-11-07 01:07:12,067 INFO L857 garLoopResultBuilder]: For program point L864(lines 863 912) no Hoare annotation was computed. [2021-11-07 01:07:12,067 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 869) no Hoare annotation was computed. [2021-11-07 01:07:12,068 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 294) no Hoare annotation was computed. [2021-11-07 01:07:12,068 INFO L860 garLoopResultBuilder]: At program point L287-1(lines 287 294) the Hoare annotation is: true [2021-11-07 01:07:12,071 INFO L857 garLoopResultBuilder]: For program point L833(lines 833 839) no Hoare annotation was computed. [2021-11-07 01:07:12,072 INFO L853 garLoopResultBuilder]: At program point L833-1(lines 833 839) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:12,072 INFO L853 garLoopResultBuilder]: At program point L189(lines 1 920) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:12,072 INFO L857 garLoopResultBuilder]: For program point L883(lines 883 889) no Hoare annotation was computed. [2021-11-07 01:07:12,072 INFO L853 garLoopResultBuilder]: At program point L883-1(lines 883 889) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:12,073 INFO L857 garLoopResultBuilder]: For program point L305(line 305) no Hoare annotation was computed. [2021-11-07 01:07:12,073 INFO L857 garLoopResultBuilder]: For program point L305-1(line 305) no Hoare annotation was computed. [2021-11-07 01:07:12,073 INFO L857 garLoopResultBuilder]: For program point L305-2(line 305) no Hoare annotation was computed. [2021-11-07 01:07:12,073 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 78) no Hoare annotation was computed. [2021-11-07 01:07:12,073 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:07:12,073 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 736) no Hoare annotation was computed. [2021-11-07 01:07:12,073 INFO L857 garLoopResultBuilder]: For program point L719-1(lines 719 736) no Hoare annotation was computed. [2021-11-07 01:07:12,074 INFO L857 garLoopResultBuilder]: For program point L719-2(lines 719 736) no Hoare annotation was computed. [2021-11-07 01:07:12,074 INFO L857 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2021-11-07 01:07:12,074 INFO L853 garLoopResultBuilder]: At program point L901-1(lines 687 693) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:12,074 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2021-11-07 01:07:12,074 INFO L853 garLoopResultBuilder]: At program point L687(lines 686 705) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:12,074 INFO L857 garLoopResultBuilder]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2021-11-07 01:07:12,074 INFO L853 garLoopResultBuilder]: At program point L687-2(lines 686 705) the Hoare annotation is: false [2021-11-07 01:07:12,075 INFO L853 garLoopResultBuilder]: At program point L687-3(lines 686 705) the Hoare annotation is: false [2021-11-07 01:07:12,075 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:07:12,076 INFO L857 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2021-11-07 01:07:12,076 INFO L857 garLoopResultBuilder]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2021-11-07 01:07:12,076 INFO L857 garLoopResultBuilder]: For program point L62-6(lines 62 66) no Hoare annotation was computed. [2021-11-07 01:07:12,076 INFO L853 garLoopResultBuilder]: At program point L789(lines 784 792) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:12,077 INFO L853 garLoopResultBuilder]: At program point L789-1(lines 784 792) the Hoare annotation is: false [2021-11-07 01:07:12,077 INFO L857 garLoopResultBuilder]: For program point L723(lines 723 731) no Hoare annotation was computed. [2021-11-07 01:07:12,077 INFO L853 garLoopResultBuilder]: At program point L789-2(lines 784 792) the Hoare annotation is: false [2021-11-07 01:07:12,077 INFO L857 garLoopResultBuilder]: For program point L723-1(lines 723 731) no Hoare annotation was computed. [2021-11-07 01:07:12,077 INFO L857 garLoopResultBuilder]: For program point L723-2(lines 723 731) no Hoare annotation was computed. [2021-11-07 01:07:12,077 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 159) no Hoare annotation was computed. [2021-11-07 01:07:12,079 INFO L853 garLoopResultBuilder]: At program point L146-1(lines 1 920) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:12,079 INFO L857 garLoopResultBuilder]: For program point L146-2(lines 146 159) no Hoare annotation was computed. [2021-11-07 01:07:12,079 INFO L853 garLoopResultBuilder]: At program point L146-3(lines 1 920) the Hoare annotation is: false [2021-11-07 01:07:12,079 INFO L857 garLoopResultBuilder]: For program point L146-4(lines 146 159) no Hoare annotation was computed. [2021-11-07 01:07:12,080 INFO L853 garLoopResultBuilder]: At program point L146-5(lines 1 920) the Hoare annotation is: false [2021-11-07 01:07:12,080 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 879) no Hoare annotation was computed. [2021-11-07 01:07:12,080 INFO L853 garLoopResultBuilder]: At program point L873-1(lines 873 879) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:12,080 INFO L860 garLoopResultBuilder]: At program point L296(lines 277 299) the Hoare annotation is: true [2021-11-07 01:07:12,083 INFO L853 garLoopResultBuilder]: At program point L263(lines 259 265) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:12,085 INFO L853 garLoopResultBuilder]: At program point L197(lines 192 200) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:12,085 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:07:12,085 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2021-11-07 01:07:12,086 INFO L853 garLoopResultBuilder]: At program point L214-2(lines 214 228) the Hoare annotation is: false [2021-11-07 01:07:12,086 INFO L853 garLoopResultBuilder]: At program point L99(lines 94 102) the Hoare annotation is: false [2021-11-07 01:07:12,086 INFO L853 garLoopResultBuilder]: At program point L99-1(lines 94 102) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:12,086 INFO L853 garLoopResultBuilder]: At program point L99-2(lines 94 102) the Hoare annotation is: false [2021-11-07 01:07:12,086 INFO L853 garLoopResultBuilder]: At program point L99-3(lines 94 102) the Hoare annotation is: false [2021-11-07 01:07:12,086 INFO L853 garLoopResultBuilder]: At program point L99-4(lines 94 102) the Hoare annotation is: false [2021-11-07 01:07:12,087 INFO L853 garLoopResultBuilder]: At program point L99-5(lines 94 102) the Hoare annotation is: false [2021-11-07 01:07:12,087 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-11-07 01:07:12,087 INFO L853 garLoopResultBuilder]: At program point L694(lines 694 700) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:07:12,088 INFO L853 garLoopResultBuilder]: At program point L694-1(lines 694 700) the Hoare annotation is: false [2021-11-07 01:07:12,088 INFO L853 garLoopResultBuilder]: At program point L694-2(lines 694 700) the Hoare annotation is: false [2021-11-07 01:07:12,088 INFO L857 garLoopResultBuilder]: For program point L893(lines 893 908) no Hoare annotation was computed. [2021-11-07 01:07:12,089 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 156) no Hoare annotation was computed. [2021-11-07 01:07:12,089 INFO L857 garLoopResultBuilder]: For program point L150-2(lines 150 156) no Hoare annotation was computed. [2021-11-07 01:07:12,089 INFO L857 garLoopResultBuilder]: For program point L150-4(lines 150 156) no Hoare annotation was computed. [2021-11-07 01:07:12,092 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 01:07:12,097 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:07:12,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:07:12 BoogieIcfgContainer [2021-11-07 01:07:12,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:07:12,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:07:12,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:07:12,125 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:07:12,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:07:08" (3/4) ... [2021-11-07 01:07:12,128 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:07:12,149 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:07:12,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:07:12,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:07:12,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:07:12,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:07:12,152 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:07:12,152 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:07:12,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-11-07 01:07:12,239 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:07:12,239 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:07:12,241 INFO L168 Benchmark]: Toolchain (without parser) took 7371.29 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 43.6 MB in the beginning and 30.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:12,241 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 48.2 MB. Free memory is still 29.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:07:12,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.22 ms. Allocated memory is still 60.8 MB. Free memory was 43.3 MB in the beginning and 30.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:12,242 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.22 ms. Allocated memory is still 60.8 MB. Free memory was 29.9 MB in the beginning and 41.0 MB in the end (delta: -11.1 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:12,242 INFO L168 Benchmark]: Boogie Preprocessor took 40.63 ms. Allocated memory is still 60.8 MB. Free memory was 41.0 MB in the beginning and 38.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:12,243 INFO L168 Benchmark]: RCFGBuilder took 2437.76 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 38.7 MB in the beginning and 49.0 MB in the end (delta: -10.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:12,243 INFO L168 Benchmark]: TraceAbstraction took 4069.59 ms. Allocated memory is still 73.4 MB. Free memory was 49.0 MB in the beginning and 36.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:12,243 INFO L168 Benchmark]: Witness Printer took 115.01 ms. Allocated memory is still 73.4 MB. Free memory was 36.2 MB in the beginning and 30.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:12,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 48.2 MB. Free memory is still 29.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 610.22 ms. Allocated memory is still 60.8 MB. Free memory was 43.3 MB in the beginning and 30.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.22 ms. Allocated memory is still 60.8 MB. Free memory was 29.9 MB in the beginning and 41.0 MB in the end (delta: -11.1 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.63 ms. Allocated memory is still 60.8 MB. Free memory was 41.0 MB in the beginning and 38.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2437.76 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 38.7 MB in the beginning and 49.0 MB in the end (delta: -10.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4069.59 ms. Allocated memory is still 73.4 MB. Free memory was 49.0 MB in the beginning and 36.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. * Witness Printer took 115.01 ms. Allocated memory is still 73.4 MB. Free memory was 36.2 MB in the beginning and 30.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 305]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 305]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 305]: 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, 71 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 407 SDslu, 334 SDs, 0 SdLazy, 62 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3826 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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 3 specifications checked. All of them hold - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:07:12,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbe652e-9d35-401a-97f5-a2bc587d5ad4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE