./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.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_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/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_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/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_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/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 861f07fa59cb0cfcece09c1a4e6ddfbbabbcb5606dbdc5d8efc7c0dfaa196551 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:17:12,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:17:12,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:17:12,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:17:12,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:17:12,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:17:12,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:17:12,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:17:12,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:17:12,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:17:12,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:17:12,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:17:12,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:17:12,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:17:12,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:17:12,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:17:12,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:17:12,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:17:12,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:17:12,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:17:12,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:17:12,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:17:12,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:17:12,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:17:12,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:17:12,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:17:12,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:17:12,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:17:12,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:17:12,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:17:12,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:17:12,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:17:12,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:17:12,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:17:12,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:17:12,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:17:12,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:17:12,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:17:12,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:17:12,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:17:12,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:17:12,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:17:12,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:17:12,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:17:12,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:17:12,429 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:17:12,430 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:17:12,430 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:17:12,430 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:17:12,430 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:17:12,430 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:17:12,431 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:17:12,432 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:17:12,432 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:17:12,432 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:17:12,433 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:17:12,433 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:17:12,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:17:12,434 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:17:12,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:17:12,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:17:12,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:17:12,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:17:12,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:17:12,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:17:12,435 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:17:12,436 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:17:12,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:17:12,436 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:17:12,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:17:12,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:17:12,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:17:12,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:17:12,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:17:12,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:17:12,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:17:12,440 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:17:12,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:17:12,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:17:12,440 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:17:12,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:17:12,441 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_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 861f07fa59cb0cfcece09c1a4e6ddfbbabbcb5606dbdc5d8efc7c0dfaa196551 [2021-11-07 01:17:12,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:17:12,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:17:12,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:17:12,850 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:17:12,851 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:17:12,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2021-11-07 01:17:12,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/data/473cf1885/68f201d8b4be40769464303e93e5ebfa/FLAG13cfb0629 [2021-11-07 01:17:13,657 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:17:13,658 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2021-11-07 01:17:13,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/data/473cf1885/68f201d8b4be40769464303e93e5ebfa/FLAG13cfb0629 [2021-11-07 01:17:13,918 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/data/473cf1885/68f201d8b4be40769464303e93e5ebfa [2021-11-07 01:17:13,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:17:13,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:17:13,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:17:13,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:17:13,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:17:13,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:17:13" (1/1) ... [2021-11-07 01:17:13,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335d2e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:13, skipping insertion in model container [2021-11-07 01:17:13,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:17:13" (1/1) ... [2021-11-07 01:17:13,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:17:14,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:17:14,410 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_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c[14834,14847] [2021-11-07 01:17:14,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:17:14,440 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 01:17:14,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@136351e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:14, skipping insertion in model container [2021-11-07 01:17:14,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:17:14,441 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:17:14,443 INFO L168 Benchmark]: Toolchain (without parser) took 519.19 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 70.9 MB in the beginning and 100.5 MB in the end (delta: -29.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:17:14,444 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 100.7 MB. Free memory is still 54.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:17:14,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.23 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 70.6 MB in the beginning and 100.5 MB in the end (delta: -29.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:17:14,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 100.7 MB. Free memory is still 54.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 503.23 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 70.6 MB in the beginning and 100.5 MB in the end (delta: -29.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: 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_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/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_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/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_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/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 861f07fa59cb0cfcece09c1a4e6ddfbbabbcb5606dbdc5d8efc7c0dfaa196551 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:17:16,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:17:16,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:17:16,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:17:16,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:17:16,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:17:16,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:17:16,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:17:16,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:17:16,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:17:16,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:17:16,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:17:16,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:17:16,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:17:16,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:17:16,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:17:16,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:17:16,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:17:16,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:17:16,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:17:16,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:17:16,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:17:16,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:17:16,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:17:16,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:17:16,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:17:16,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:17:16,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:17:16,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:17:16,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:17:16,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:17:16,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:17:16,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:17:16,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:17:16,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:17:16,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:17:16,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:17:16,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:17:16,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:17:16,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:17:16,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:17:16,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:17:16,880 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:17:16,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:17:16,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:17:16,881 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:17:16,881 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:17:16,881 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:17:16,882 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:17:16,882 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:17:16,882 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:17:16,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:17:16,883 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:17:16,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:17:16,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:17:16,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:17:16,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:17:16,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:17:16,885 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:17:16,885 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:17:16,885 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:17:16,886 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:17:16,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:17:16,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:17:16,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:17:16,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:17:16,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:17:16,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:17:16,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:17:16,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:17:16,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:17:16,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:17:16,892 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:17:16,893 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:17:16,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:17:16,893 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:17:16,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:17:16,894 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_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 861f07fa59cb0cfcece09c1a4e6ddfbbabbcb5606dbdc5d8efc7c0dfaa196551 [2021-11-07 01:17:17,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:17:17,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:17:17,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:17:17,327 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:17:17,328 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:17:17,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2021-11-07 01:17:17,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/data/87273a8ff/39f27c3345c744069c42e3f13d36cbf8/FLAG049d4a571 [2021-11-07 01:17:18,071 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:17:18,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2021-11-07 01:17:18,094 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/data/87273a8ff/39f27c3345c744069c42e3f13d36cbf8/FLAG049d4a571 [2021-11-07 01:17:18,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/data/87273a8ff/39f27c3345c744069c42e3f13d36cbf8 [2021-11-07 01:17:18,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:17:18,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:17:18,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:17:18,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:17:18,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:17:18,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:17:18" (1/1) ... [2021-11-07 01:17:18,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10855bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:18, skipping insertion in model container [2021-11-07 01:17:18,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:17:18" (1/1) ... [2021-11-07 01:17:18,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:17:18,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:17:18,715 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_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c[14834,14847] [2021-11-07 01:17:18,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:17:18,768 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:17:18,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:17:18,886 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_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c[14834,14847] [2021-11-07 01:17:18,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:17:18,920 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:17:19,002 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_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c[14834,14847] [2021-11-07 01:17:19,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:17:19,040 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:17:19,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:19 WrapperNode [2021-11-07 01:17:19,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:17:19,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:17:19,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:17:19,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:17:19,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:19" (1/1) ... [2021-11-07 01:17:19,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:19" (1/1) ... [2021-11-07 01:17:19,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:17:19,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:17:19,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:17:19,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:17:19,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:19" (1/1) ... [2021-11-07 01:17:19,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:19" (1/1) ... [2021-11-07 01:17:19,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:19" (1/1) ... [2021-11-07 01:17:19,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:19" (1/1) ... [2021-11-07 01:17:19,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:19" (1/1) ... [2021-11-07 01:17:19,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:19" (1/1) ... [2021-11-07 01:17:19,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:19" (1/1) ... [2021-11-07 01:17:19,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:17:19,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:17:19,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:17:19,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:17:19,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:19" (1/1) ... [2021-11-07 01:17:19,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:17:19,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:17:19,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:17:19,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:17:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:17:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:17:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:17:19,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:17:21,343 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:17:21,344 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-11-07 01:17:21,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:17:21 BoogieIcfgContainer [2021-11-07 01:17:21,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:17:21,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:17:21,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:17:21,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:17:21,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:17:18" (1/3) ... [2021-11-07 01:17:21,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c343bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:17:21, skipping insertion in model container [2021-11-07 01:17:21,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:19" (2/3) ... [2021-11-07 01:17:21,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c343bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:17:21, skipping insertion in model container [2021-11-07 01:17:21,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:17:21" (3/3) ... [2021-11-07 01:17:21,358 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2021-11-07 01:17:21,363 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:17:21,364 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:17:21,414 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:17:21,419 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 01:17:21,420 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:17:21,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 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 01:17:21,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:17:21,438 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:17:21,438 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:17:21,439 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 01:17:21,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:17:21,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1613004623, now seen corresponding path program 1 times [2021-11-07 01:17:21,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:17:21,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1333869572] [2021-11-07 01:17:21,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:17:21,459 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:17:21,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:17:21,462 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:17:21,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:17:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:17:21,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:17:21,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:17:21,873 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 01:17:21,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:17:21,959 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 01:17:21,960 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:17:21,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1333869572] [2021-11-07 01:17:21,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1333869572] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:17:21,961 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:17:21,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:17:21,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557739919] [2021-11-07 01:17:21,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:17:21,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:17:21,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:17:21,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:17:21,990 INFO L87 Difference]: Start difference. First operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 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 01:17:22,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:17:22,030 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-11-07 01:17:22,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:17:22,032 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 01:17:22,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:17:22,041 INFO L225 Difference]: With dead ends: 148 [2021-11-07 01:17:22,042 INFO L226 Difference]: Without dead ends: 73 [2021-11-07 01:17:22,045 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 01:17:22,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-07 01:17:22,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-11-07 01:17:22,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 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 01:17:22,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-11-07 01:17:22,082 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-11-07 01:17:22,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:17:22,083 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-11-07 01:17:22,083 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 01:17:22,083 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-11-07 01:17:22,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:17:22,085 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:17:22,085 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 01:17:22,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:17:22,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:17:22,297 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 01:17:22,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:17:22,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1635205776, now seen corresponding path program 1 times [2021-11-07 01:17:22,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:17:22,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557771687] [2021-11-07 01:17:22,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:17:22,300 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:17:22,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:17:22,304 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:17:22,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:17:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:17:22,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:17:22,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:17:22,628 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 01:17:22,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:17:22,689 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 01:17:22,689 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:17:22,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557771687] [2021-11-07 01:17:22,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [557771687] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:17:22,690 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:17:22,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:17:22,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882345771] [2021-11-07 01:17:22,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:17:22,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:17:22,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:17:22,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:17:22,697 INFO L87 Difference]: Start difference. First operand 73 states and 102 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 01:17:22,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:17:22,726 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-11-07 01:17:22,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:17:22,727 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 01:17:22,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:17:22,729 INFO L225 Difference]: With dead ends: 73 [2021-11-07 01:17:22,729 INFO L226 Difference]: Without dead ends: 35 [2021-11-07 01:17:22,732 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 01:17:22,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-07 01:17:22,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-11-07 01:17:22,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 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 01:17:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-11-07 01:17:22,746 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-11-07 01:17:22,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:17:22,746 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-11-07 01:17:22,747 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 01:17:22,747 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-11-07 01:17:22,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:17:22,749 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:17:22,754 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 01:17:22,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-07 01:17:22,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:17:22,966 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 01:17:22,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:17:22,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2021-11-07 01:17:22,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:17:22,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318108972] [2021-11-07 01:17:22,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:17:22,968 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:17:22,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:17:22,969 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:17:22,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:17:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:17:23,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:17:23,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:17:23,269 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 01:17:23,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:17:23,363 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 01:17:23,363 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:17:23,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318108972] [2021-11-07 01:17:23,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318108972] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:17:23,364 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:17:23,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:17:23,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317207696] [2021-11-07 01:17:23,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:17:23,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:17:23,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:17:23,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:17:23,366 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 01:17:23,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:17:23,407 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2021-11-07 01:17:23,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:17:23,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 01:17:23,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:17:23,409 INFO L225 Difference]: With dead ends: 116 [2021-11-07 01:17:23,411 INFO L226 Difference]: Without dead ends: 87 [2021-11-07 01:17:23,411 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 01:17:23,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-11-07 01:17:23,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2021-11-07 01:17:23,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.471698113207547) internal successors, (78), 53 states have internal predecessors, (78), 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 01:17:23,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2021-11-07 01:17:23,426 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2021-11-07 01:17:23,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:17:23,426 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2021-11-07 01:17:23,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 01:17:23,427 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2021-11-07 01:17:23,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:17:23,429 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:17:23,430 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 01:17:23,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:17:23,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:17:23,642 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 01:17:23,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:17:23,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2021-11-07 01:17:23,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:17:23,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114475177] [2021-11-07 01:17:23,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:17:23,644 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:17:23,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:17:23,646 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:17:23,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:17:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:17:23,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:17:23,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:17:23,953 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 01:17:23,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:17:24,061 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 01:17:24,061 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:17:24,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114475177] [2021-11-07 01:17:24,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2114475177] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:17:24,062 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:17:24,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:17:24,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440445787] [2021-11-07 01:17:24,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:17:24,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:17:24,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:17:24,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:17:24,064 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:17:24,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:17:24,317 INFO L93 Difference]: Finished difference Result 373 states and 575 transitions. [2021-11-07 01:17:24,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:17:24,318 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-07 01:17:24,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:17:24,322 INFO L225 Difference]: With dead ends: 373 [2021-11-07 01:17:24,322 INFO L226 Difference]: Without dead ends: 325 [2021-11-07 01:17:24,323 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:17:24,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-11-07 01:17:24,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 136. [2021-11-07 01:17:24,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.451851851851852) internal successors, (196), 135 states have internal predecessors, (196), 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 01:17:24,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2021-11-07 01:17:24,349 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2021-11-07 01:17:24,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:17:24,350 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2021-11-07 01:17:24,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:17:24,350 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2021-11-07 01:17:24,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:17:24,352 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:17:24,352 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 01:17:24,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:17:24,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:17:24,564 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 01:17:24,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:17:24,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1402731609, now seen corresponding path program 1 times [2021-11-07 01:17:24,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:17:24,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036861470] [2021-11-07 01:17:24,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:17:24,566 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:17:24,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:17:24,567 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:17:24,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:17:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:17:24,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:17:24,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:17:24,870 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 01:17:24,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:17:24,935 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 01:17:24,936 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:17:24,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036861470] [2021-11-07 01:17:24,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036861470] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:17:24,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:17:24,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:17:24,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919065439] [2021-11-07 01:17:24,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:17:24,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:17:24,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:17:24,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:17:24,939 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 01:17:26,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:17:26,464 INFO L93 Difference]: Finished difference Result 354 states and 516 transitions. [2021-11-07 01:17:26,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:17:26,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 01:17:26,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:17:26,466 INFO L225 Difference]: With dead ends: 354 [2021-11-07 01:17:26,466 INFO L226 Difference]: Without dead ends: 224 [2021-11-07 01:17:26,468 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:17:26,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-11-07 01:17:26,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2021-11-07 01:17:26,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.4253393665158371) internal successors, (315), 221 states have internal predecessors, (315), 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 01:17:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 315 transitions. [2021-11-07 01:17:26,517 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 315 transitions. Word has length 24 [2021-11-07 01:17:26,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:17:26,518 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 315 transitions. [2021-11-07 01:17:26,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 01:17:26,518 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 315 transitions. [2021-11-07 01:17:26,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:17:26,523 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:17:26,523 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:17:26,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:17:26,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:17:26,735 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:17:26,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:17:26,736 INFO L85 PathProgramCache]: Analyzing trace with hash -796024257, now seen corresponding path program 1 times [2021-11-07 01:17:26,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:17:26,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432458685] [2021-11-07 01:17:26,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:17:26,737 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:17:26,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:17:26,738 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:17:26,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:17:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:17:26,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:17:26,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:17:27,075 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 01:17:27,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:17:27,154 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 01:17:27,155 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:17:27,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432458685] [2021-11-07 01:17:27,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432458685] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:17:27,168 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:17:27,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:17:27,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883927536] [2021-11-07 01:17:27,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:17:27,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:17:27,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:17:27,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:17:27,172 INFO L87 Difference]: Start difference. First operand 222 states and 315 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 01:17:27,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:17:27,195 INFO L93 Difference]: Finished difference Result 331 states and 474 transitions. [2021-11-07 01:17:27,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:17:27,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 26 [2021-11-07 01:17:27,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:17:27,196 INFO L225 Difference]: With dead ends: 331 [2021-11-07 01:17:27,197 INFO L226 Difference]: Without dead ends: 115 [2021-11-07 01:17:27,203 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:17:27,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-11-07 01:17:27,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-11-07 01:17:27,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 114 states have internal predecessors, (153), 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 01:17:27,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2021-11-07 01:17:27,237 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2021-11-07 01:17:27,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:17:27,238 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2021-11-07 01:17:27,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 01:17:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2021-11-07 01:17:27,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 01:17:27,244 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:17:27,245 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:17:27,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:17:27,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:17:27,457 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:17:27,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:17:27,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1852777620, now seen corresponding path program 1 times [2021-11-07 01:17:27,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:17:27,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1882278751] [2021-11-07 01:17:27,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:17:27,459 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:17:27,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:17:27,460 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:17:27,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:17:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:17:27,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:17:27,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:17:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:17:27,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:17:28,009 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:17:28,010 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:17:28,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1882278751] [2021-11-07 01:17:28,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1882278751] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:17:28,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1206360438] [2021-11-07 01:17:28,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:17:28,010 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:17:28,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:17:28,011 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:17:28,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-07 01:17:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:17:28,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:17:28,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:17:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:17:28,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:17:28,489 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:17:28,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1206360438] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:17:28,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:17:28,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-11-07 01:17:28,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160646461] [2021-11-07 01:17:28,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:17:28,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:17:28,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:17:28,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:17:28,492 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 01:17:28,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:17:28,599 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2021-11-07 01:17:28,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:17:28,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 39 [2021-11-07 01:17:28,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:17:28,600 INFO L225 Difference]: With dead ends: 235 [2021-11-07 01:17:28,600 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:17:28,601 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:17:28,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:17:28,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:17:28,602 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 01:17:28,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:17:28,602 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-11-07 01:17:28,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:17:28,603 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:17:28,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 01:17:28,603 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:17:28,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:17:28,606 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:17:28,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:17:28,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:17:28,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:17:28,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2021-11-07 01:17:29,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:17:29,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:17:29,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:17:29,415 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 690) no Hoare annotation was computed. [2021-11-07 01:17:29,415 INFO L853 garLoopResultBuilder]: At program point L498(lines 493 501) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:17:29,415 INFO L853 garLoopResultBuilder]: At program point L498-1(lines 493 501) the Hoare annotation is: false [2021-11-07 01:17:29,415 INFO L853 garLoopResultBuilder]: At program point L498-2(lines 493 501) the Hoare annotation is: false [2021-11-07 01:17:29,415 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:17:29,416 INFO L853 garLoopResultBuilder]: At program point L533(lines 533 539) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:17:29,416 INFO L853 garLoopResultBuilder]: At program point L533-1(lines 533 539) the Hoare annotation is: false [2021-11-07 01:17:29,416 INFO L853 garLoopResultBuilder]: At program point L533-2(lines 533 539) the Hoare annotation is: false [2021-11-07 01:17:29,416 INFO L853 garLoopResultBuilder]: At program point L666(lines 651 669) the Hoare annotation is: false [2021-11-07 01:17:29,416 INFO L853 garLoopResultBuilder]: At program point L666-1(lines 651 669) the Hoare annotation is: false [2021-11-07 01:17:29,416 INFO L853 garLoopResultBuilder]: At program point L666-2(lines 651 669) the Hoare annotation is: false [2021-11-07 01:17:29,416 INFO L857 garLoopResultBuilder]: For program point L848(lines 848 855) no Hoare annotation was computed. [2021-11-07 01:17:29,416 INFO L860 garLoopResultBuilder]: At program point L848-1(lines 848 855) the Hoare annotation is: true [2021-11-07 01:17:29,417 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 722) no Hoare annotation was computed. [2021-11-07 01:17:29,417 INFO L853 garLoopResultBuilder]: At program point L716-1(lines 716 722) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:17:29,417 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 457) no Hoare annotation was computed. [2021-11-07 01:17:29,417 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:17:29,417 INFO L853 garLoopResultBuilder]: At program point L884(lines 1 921) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:17:29,417 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 749) no Hoare annotation was computed. [2021-11-07 01:17:29,417 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 690) no Hoare annotation was computed. [2021-11-07 01:17:29,418 INFO L853 garLoopResultBuilder]: At program point L754(lines 705 755) the Hoare annotation is: false [2021-11-07 01:17:29,418 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:17:29,418 INFO L853 garLoopResultBuilder]: At program point L507(lines 502 510) the Hoare annotation is: false [2021-11-07 01:17:29,418 INFO L853 garLoopResultBuilder]: At program point L507-1(lines 502 510) the Hoare annotation is: false [2021-11-07 01:17:29,418 INFO L857 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2021-11-07 01:17:29,418 INFO L853 garLoopResultBuilder]: At program point L507-2(lines 502 510) the Hoare annotation is: false [2021-11-07 01:17:29,418 INFO L853 garLoopResultBuilder]: At program point L822(lines 818 824) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:17:29,418 INFO L857 garLoopResultBuilder]: For program point L690(line 690) no Hoare annotation was computed. [2021-11-07 01:17:29,418 INFO L857 garLoopResultBuilder]: For program point L690-1(line 690) no Hoare annotation was computed. [2021-11-07 01:17:29,419 INFO L857 garLoopResultBuilder]: For program point L690-2(line 690) no Hoare annotation was computed. [2021-11-07 01:17:29,419 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 575) no Hoare annotation was computed. [2021-11-07 01:17:29,419 INFO L857 garLoopResultBuilder]: For program point L558-1(lines 558 575) no Hoare annotation was computed. [2021-11-07 01:17:29,419 INFO L857 garLoopResultBuilder]: For program point L558-2(lines 558 575) no Hoare annotation was computed. [2021-11-07 01:17:29,419 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 918) no Hoare annotation was computed. [2021-11-07 01:17:29,419 INFO L853 garLoopResultBuilder]: At program point L905-1(lines 1 921) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:17:29,419 INFO L857 garLoopResultBuilder]: For program point L905-2(lines 905 918) no Hoare annotation was computed. [2021-11-07 01:17:29,419 INFO L853 garLoopResultBuilder]: At program point L905-3(lines 1 921) the Hoare annotation is: false [2021-11-07 01:17:29,419 INFO L857 garLoopResultBuilder]: For program point L905-4(lines 905 918) no Hoare annotation was computed. [2021-11-07 01:17:29,420 INFO L853 garLoopResultBuilder]: At program point L905-5(lines 1 921) the Hoare annotation is: false [2021-11-07 01:17:29,420 INFO L857 garLoopResultBuilder]: For program point L707(lines 706 753) no Hoare annotation was computed. [2021-11-07 01:17:29,420 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 680) no Hoare annotation was computed. [2021-11-07 01:17:29,420 INFO L853 garLoopResultBuilder]: At program point L674-1(lines 674 680) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:17:29,420 INFO L853 garLoopResultBuilder]: At program point L526(lines 525 544) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:17:29,420 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 526 532) no Hoare annotation was computed. [2021-11-07 01:17:29,420 INFO L853 garLoopResultBuilder]: At program point L526-2(lines 525 544) the Hoare annotation is: false [2021-11-07 01:17:29,421 INFO L853 garLoopResultBuilder]: At program point L526-3(lines 525 544) the Hoare annotation is: false [2021-11-07 01:17:29,421 INFO L857 garLoopResultBuilder]: For program point L708(lines 708 712) no Hoare annotation was computed. [2021-11-07 01:17:29,421 INFO L853 garLoopResultBuilder]: At program point L774-2(lines 774 788) the Hoare annotation is: false [2021-11-07 01:17:29,421 INFO L860 garLoopResultBuilder]: At program point L857(lines 838 860) the Hoare annotation is: true [2021-11-07 01:17:29,421 INFO L857 garLoopResultBuilder]: For program point L775(line 775) no Hoare annotation was computed. [2021-11-07 01:17:29,421 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 748) no Hoare annotation was computed. [2021-11-07 01:17:29,421 INFO L853 garLoopResultBuilder]: At program point L742-1(lines 526 532) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:17:29,421 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:17:29,422 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 690) no Hoare annotation was computed. [2021-11-07 01:17:29,422 INFO L857 garLoopResultBuilder]: For program point L726(lines 726 732) no Hoare annotation was computed. [2021-11-07 01:17:29,422 INFO L853 garLoopResultBuilder]: At program point L726-1(lines 726 732) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:17:29,422 INFO L857 garLoopResultBuilder]: For program point L660(lines 660 664) no Hoare annotation was computed. [2021-11-07 01:17:29,422 INFO L857 garLoopResultBuilder]: For program point L660-2(lines 660 664) no Hoare annotation was computed. [2021-11-07 01:17:29,422 INFO L857 garLoopResultBuilder]: For program point L660-3(lines 660 664) no Hoare annotation was computed. [2021-11-07 01:17:29,422 INFO L857 garLoopResultBuilder]: For program point L660-5(lines 660 664) no Hoare annotation was computed. [2021-11-07 01:17:29,422 INFO L857 garLoopResultBuilder]: For program point L660-6(lines 660 664) no Hoare annotation was computed. [2021-11-07 01:17:29,423 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 433) no Hoare annotation was computed. [2021-11-07 01:17:29,423 INFO L857 garLoopResultBuilder]: For program point L660-8(lines 660 664) no Hoare annotation was computed. [2021-11-07 01:17:29,423 INFO L857 garLoopResultBuilder]: For program point L429-3(lines 429 433) no Hoare annotation was computed. [2021-11-07 01:17:29,423 INFO L857 garLoopResultBuilder]: For program point L429-6(lines 429 433) no Hoare annotation was computed. [2021-11-07 01:17:29,423 INFO L853 garLoopResultBuilder]: At program point L611(lines 606 614) 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 01:17:29,423 INFO L853 garLoopResultBuilder]: At program point L611-1(lines 606 614) the Hoare annotation is: false [2021-11-07 01:17:29,423 INFO L853 garLoopResultBuilder]: At program point L611-2(lines 606 614) the Hoare annotation is: false [2021-11-07 01:17:29,423 INFO L853 garLoopResultBuilder]: At program point L892(lines 887 895) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:17:29,423 INFO L857 garLoopResultBuilder]: For program point L562(lines 562 570) no Hoare annotation was computed. [2021-11-07 01:17:29,424 INFO L857 garLoopResultBuilder]: For program point L562-1(lines 562 570) no Hoare annotation was computed. [2021-11-07 01:17:29,424 INFO L857 garLoopResultBuilder]: For program point L562-2(lines 562 570) no Hoare annotation was computed. [2021-11-07 01:17:29,424 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 915) no Hoare annotation was computed. [2021-11-07 01:17:29,424 INFO L857 garLoopResultBuilder]: For program point L909-2(lines 909 915) no Hoare annotation was computed. [2021-11-07 01:17:29,424 INFO L857 garLoopResultBuilder]: For program point L909-4(lines 909 915) no Hoare annotation was computed. [2021-11-07 01:17:29,424 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 782) no Hoare annotation was computed. [2021-11-07 01:17:29,424 INFO L857 garLoopResultBuilder]: For program point L778-1(lines 526 532) no Hoare annotation was computed. [2021-11-07 01:17:29,429 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:17:29,431 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:17:29,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:17:29 BoogieIcfgContainer [2021-11-07 01:17:29,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:17:29,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:17:29,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:17:29,447 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:17:29,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:17:21" (3/4) ... [2021-11-07 01:17:29,451 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:17:29,465 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:17:29,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:17:29,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:17:29,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:17:29,468 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:17:29,469 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:17:29,469 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:17:29,498 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-11-07 01:17:29,534 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:17:29,535 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:17:29,536 INFO L168 Benchmark]: Toolchain (without parser) took 11184.48 ms. Allocated memory was 56.6 MB in the beginning and 119.5 MB in the end (delta: 62.9 MB). Free memory was 33.9 MB in the beginning and 86.6 MB in the end (delta: -52.7 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:17:29,536 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 56.6 MB. Free memory is still 37.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:17:29,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.64 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 33.7 MB in the beginning and 40.6 MB in the end (delta: -6.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:17:29,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.81 ms. Allocated memory is still 71.3 MB. Free memory was 40.6 MB in the beginning and 37.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:17:29,538 INFO L168 Benchmark]: Boogie Preprocessor took 81.40 ms. Allocated memory is still 71.3 MB. Free memory was 37.5 MB in the beginning and 53.1 MB in the end (delta: -15.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:17:29,538 INFO L168 Benchmark]: RCFGBuilder took 2133.98 ms. Allocated memory is still 71.3 MB. Free memory was 53.1 MB in the beginning and 39.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:17:29,539 INFO L168 Benchmark]: TraceAbstraction took 8095.26 ms. Allocated memory was 71.3 MB in the beginning and 119.5 MB in the end (delta: 48.2 MB). Free memory was 39.2 MB in the beginning and 92.9 MB in the end (delta: -53.6 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:17:29,539 INFO L168 Benchmark]: Witness Printer took 87.76 ms. Allocated memory is still 119.5 MB. Free memory was 92.9 MB in the beginning and 86.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:17:29,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 56.6 MB. Free memory is still 37.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 688.64 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 33.7 MB in the beginning and 40.6 MB in the end (delta: -6.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.81 ms. Allocated memory is still 71.3 MB. Free memory was 40.6 MB in the beginning and 37.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.40 ms. Allocated memory is still 71.3 MB. Free memory was 37.5 MB in the beginning and 53.1 MB in the end (delta: -15.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2133.98 ms. Allocated memory is still 71.3 MB. Free memory was 53.1 MB in the beginning and 39.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8095.26 ms. Allocated memory was 71.3 MB in the beginning and 119.5 MB in the end (delta: 48.2 MB). Free memory was 39.2 MB in the beginning and 92.9 MB in the end (delta: -53.6 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. * Witness Printer took 87.76 ms. Allocated memory is still 119.5 MB. Free memory was 92.9 MB in the beginning and 86.6 MB in the end (delta: 6.3 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: 690]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 690]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 690]: 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, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 429 SDtfs, 620 SDslu, 624 SDs, 0 SdLazy, 128 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=5, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 224 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 5768 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 817 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1608 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:17:29,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de9cab03-a972-4ac0-8e0f-3f8fe0feb948/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