./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG --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 9a3827b4b3d19f95c620af38f0e4f5ff9ca95e734fa5646c78162250800aed09 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG --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 9a3827b4b3d19f95c620af38f0e4f5ff9ca95e734fa5646c78162250800aed09 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:50:42,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:50:42,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:50:42,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:50:42,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:50:42,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:50:42,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:50:42,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:50:42,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:50:42,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:50:42,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:50:42,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:50:42,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:50:42,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:50:42,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:50:42,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:50:42,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:50:42,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:50:42,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:50:42,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:50:42,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:50:42,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:50:42,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:50:42,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:50:42,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:50:42,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:50:42,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:50:42,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:50:42,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:50:42,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:50:42,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:50:42,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:50:42,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:50:42,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:50:42,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:50:42,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:50:42,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:50:42,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:50:42,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:50:42,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:50:42,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:50:42,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:50:42,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:50:42,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:50:42,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:50:42,492 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:50:42,492 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:50:42,492 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:50:42,493 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:50:42,493 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:50:42,493 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:50:42,494 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:50:42,495 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:50:42,496 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:50:42,496 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:50:42,496 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:50:42,497 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:50:42,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:50:42,498 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:50:42,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:50:42,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:50:42,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:50:42,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:50:42,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:50:42,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:50:42,500 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:50:42,500 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:50:42,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:50:42,501 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:50:42,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:50:42,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:50:42,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:50:42,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:50:42,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:50:42,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:50:42,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:50:42,506 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:50:42,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:50:42,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:50:42,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:50:42,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:50:42,508 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_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a3827b4b3d19f95c620af38f0e4f5ff9ca95e734fa5646c78162250800aed09 [2021-10-29 05:50:42,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:50:42,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:50:42,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:50:42,979 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:50:42,980 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:50:42,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2021-10-29 05:50:43,063 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/data/f6625e61b/f542f6d0e4934e19981534fcb4fd9d68/FLAGeb0f75316 [2021-10-29 05:50:43,686 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:50:43,686 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2021-10-29 05:50:43,714 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/data/f6625e61b/f542f6d0e4934e19981534fcb4fd9d68/FLAGeb0f75316 [2021-10-29 05:50:43,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/data/f6625e61b/f542f6d0e4934e19981534fcb4fd9d68 [2021-10-29 05:50:43,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:50:43,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:50:43,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:50:43,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:50:44,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:50:44,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:50:43" (1/1) ... [2021-10-29 05:50:44,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b5f8d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:44, skipping insertion in model container [2021-10-29 05:50:44,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:50:43" (1/1) ... [2021-10-29 05:50:44,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:50:44,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:50:44,484 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_fe576885-e13b-4441-9b4a-9580fee53fd9/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c[17176,17189] [2021-10-29 05:50:44,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:50:44,504 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) [2021-10-29 05:50:44,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@452c0a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:44, skipping insertion in model container [2021-10-29 05:50:44,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:50:44,506 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:50:44,509 INFO L168 Benchmark]: Toolchain (without parser) took 516.45 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 54.4 MB in the beginning and 88.6 MB in the end (delta: -34.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:50:44,510 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory is still 71.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:50:44,511 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.75 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 54.1 MB in the beginning and 88.6 MB in the end (delta: -34.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:50:44,513 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory is still 71.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 510.75 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 54.1 MB in the beginning and 88.6 MB in the end (delta: -34.5 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: 323]: 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:50:47,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:50:47,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:50:47,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:50:47,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:50:47,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:50:47,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:50:47,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:50:47,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:50:47,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:50:47,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:50:47,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:50:47,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:50:47,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:50:47,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:50:47,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:50:47,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:50:47,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:50:47,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:50:47,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:50:47,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:50:47,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:50:47,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:50:47,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:50:47,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:50:47,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:50:47,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:50:47,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:50:47,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:50:47,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:50:47,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:50:47,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:50:47,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:50:47,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:50:47,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:50:47,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:50:47,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:50:47,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:50:47,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:50:47,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:50:47,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:50:47,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:50:47,536 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:50:47,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:50:47,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:50:47,538 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:50:47,539 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:50:47,539 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:50:47,539 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:50:47,539 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:50:47,540 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:50:47,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:50:47,543 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:50:47,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:50:47,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:50:47,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:50:47,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:50:47,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:50:47,544 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:50:47,545 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:50:47,545 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:50:47,546 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:50:47,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:50:47,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:50:47,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:50:47,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:50:47,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:50:47,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:50:47,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:50:47,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:50:47,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:50:47,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:50:47,549 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:50:47,549 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:50:47,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:50:47,550 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:50:47,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:50:47,550 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_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a3827b4b3d19f95c620af38f0e4f5ff9ca95e734fa5646c78162250800aed09 [2021-10-29 05:50:48,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:50:48,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:50:48,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:50:48,032 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:50:48,033 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:50:48,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2021-10-29 05:50:48,127 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/data/60bf467c4/64f9c0f62b6344f2b3f9340b3de46db9/FLAG3248e70e0 [2021-10-29 05:50:48,925 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:50:48,926 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2021-10-29 05:50:48,941 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/data/60bf467c4/64f9c0f62b6344f2b3f9340b3de46db9/FLAG3248e70e0 [2021-10-29 05:50:49,146 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/data/60bf467c4/64f9c0f62b6344f2b3f9340b3de46db9 [2021-10-29 05:50:49,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:50:49,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:50:49,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:50:49,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:50:49,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:50:49,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:50:49" (1/1) ... [2021-10-29 05:50:49,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5f4291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:49, skipping insertion in model container [2021-10-29 05:50:49,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:50:49" (1/1) ... [2021-10-29 05:50:49,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:50:49,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:50:49,601 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_fe576885-e13b-4441-9b4a-9580fee53fd9/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c[17176,17189] [2021-10-29 05:50:49,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:50:49,630 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:50:49,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:50:49,722 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_fe576885-e13b-4441-9b4a-9580fee53fd9/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c[17176,17189] [2021-10-29 05:50:49,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:50:49,731 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:50:49,831 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_fe576885-e13b-4441-9b4a-9580fee53fd9/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c[17176,17189] [2021-10-29 05:50:49,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:50:49,879 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:50:49,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:49 WrapperNode [2021-10-29 05:50:49,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:50:49,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:50:49,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:50:49,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:50:49,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:49" (1/1) ... [2021-10-29 05:50:49,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:49" (1/1) ... [2021-10-29 05:50:49,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:50:49,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:50:49,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:50:49,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:50:49,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:49" (1/1) ... [2021-10-29 05:50:49,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:49" (1/1) ... [2021-10-29 05:50:50,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:49" (1/1) ... [2021-10-29 05:50:50,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:49" (1/1) ... [2021-10-29 05:50:50,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:49" (1/1) ... [2021-10-29 05:50:50,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:49" (1/1) ... [2021-10-29 05:50:50,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:49" (1/1) ... [2021-10-29 05:50:50,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:50:50,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:50:50,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:50:50,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:50:50,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:49" (1/1) ... [2021-10-29 05:50:50,080 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:50:50,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:50:50,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:50:50,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:50:50,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:50:50,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:50:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:50:50,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:50:53,086 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:50:53,086 INFO L299 CfgBuilder]: Removed 106 assume(true) statements. [2021-10-29 05:50:53,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:50:53 BoogieIcfgContainer [2021-10-29 05:50:53,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:50:53,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:50:53,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:50:53,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:50:53,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:50:49" (1/3) ... [2021-10-29 05:50:53,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0d7f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:50:53, skipping insertion in model container [2021-10-29 05:50:53,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:49" (2/3) ... [2021-10-29 05:50:53,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0d7f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:50:53, skipping insertion in model container [2021-10-29 05:50:53,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:50:53" (3/3) ... [2021-10-29 05:50:53,100 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product15.cil.c [2021-10-29 05:50:53,106 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:50:53,107 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:50:53,166 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:50:53,173 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 [2021-10-29 05:50:53,174 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:50:53,194 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) [2021-10-29 05:50:53,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:50:53,215 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:53,215 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:50:53,216 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:50:53,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:53,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1227208852, now seen corresponding path program 1 times [2021-10-29 05:50:53,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:50:53,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092284150] [2021-10-29 05:50:53,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:53,243 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:50:53,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:50:53,247 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:50:53,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:50:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:53,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:50:53,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:50:53,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:50:53,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:50:53,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:50:53,767 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:50:53,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092284150] [2021-10-29 05:50:53,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1092284150] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:53,769 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:53,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:50:53,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468111612] [2021-10-29 05:50:53,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:50:53,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:50:53,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:50:53,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:50:53,796 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:53,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:53,826 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-29 05:50:53,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:50:53,828 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-29 05:50:53,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:53,847 INFO L225 Difference]: With dead ends: 148 [2021-10-29 05:50:53,847 INFO L226 Difference]: Without dead ends: 73 [2021-10-29 05:50:53,851 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:50:53,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-29 05:50:53,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-29 05:50:53,895 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) [2021-10-29 05:50:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-29 05:50:53,899 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2021-10-29 05:50:53,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:53,900 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-29 05:50:53,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:53,900 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-29 05:50:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:50:53,902 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:53,903 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:50:53,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:50:54,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:50:54,116 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:50:54,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:54,118 INFO L85 PathProgramCache]: Analyzing trace with hash -2138239605, now seen corresponding path program 1 times [2021-10-29 05:50:54,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:50:54,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67252669] [2021-10-29 05:50:54,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:54,121 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:50:54,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:50:54,123 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:50:54,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:50:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:54,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:50:54,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:50:54,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:50:54,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:50:54,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:50:54,563 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:50:54,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67252669] [2021-10-29 05:50:54,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67252669] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:54,564 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:54,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:50:54,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132994239] [2021-10-29 05:50:54,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:50:54,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:50:54,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:50:54,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:50:54,575 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:54,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:54,609 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-29 05:50:54,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:50:54,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 19 [2021-10-29 05:50:54,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:54,612 INFO L225 Difference]: With dead ends: 73 [2021-10-29 05:50:54,612 INFO L226 Difference]: Without dead ends: 35 [2021-10-29 05:50:54,613 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:50:54,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-29 05:50:54,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-29 05:50:54,629 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) [2021-10-29 05:50:54,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-29 05:50:54,633 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-29 05:50:54,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:54,633 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-29 05:50:54,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:54,635 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-29 05:50:54,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:50:54,638 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:54,643 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] [2021-10-29 05:50:54,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:50:54,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:50:54,863 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:50:54,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:54,864 INFO L85 PathProgramCache]: Analyzing trace with hash -227571320, now seen corresponding path program 1 times [2021-10-29 05:50:54,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:50:54,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755332559] [2021-10-29 05:50:54,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:54,865 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:50:54,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:50:54,867 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:50:54,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:50:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:55,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:50:55,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:50:55,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:50:55,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:50:55,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:50:55,351 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:50:55,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755332559] [2021-10-29 05:50:55,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1755332559] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:55,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:55,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:50:55,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658507753] [2021-10-29 05:50:55,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:50:55,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:50:55,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:50:55,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:50:55,359 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:55,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:55,403 INFO L93 Difference]: Finished difference Result 118 states and 172 transitions. [2021-10-29 05:50:55,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:50:55,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 [2021-10-29 05:50:55,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:55,410 INFO L225 Difference]: With dead ends: 118 [2021-10-29 05:50:55,411 INFO L226 Difference]: Without dead ends: 89 [2021-10-29 05:50:55,412 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:50:55,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-29 05:50:55,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 56. [2021-10-29 05:50:55,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4727272727272727) internal successors, (81), 55 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:55,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2021-10-29 05:50:55,432 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 24 [2021-10-29 05:50:55,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:55,433 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2021-10-29 05:50:55,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:55,435 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2021-10-29 05:50:55,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 05:50:55,438 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:55,438 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] [2021-10-29 05:50:55,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:50:55,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:50:55,643 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:50:55,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:55,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1937535180, now seen corresponding path program 1 times [2021-10-29 05:50:55,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:50:55,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613715167] [2021-10-29 05:50:55,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:55,646 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:50:55,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:50:55,647 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:50:55,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:50:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:55,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:50:55,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:50:56,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:50:56,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:50:56,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:50:56,246 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:50:56,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613715167] [2021-10-29 05:50:56,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [613715167] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:56,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:56,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:50:56,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392199566] [2021-10-29 05:50:56,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:50:56,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:50:56,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:50:56,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:50:56,249 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:56,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:56,756 INFO L93 Difference]: Finished difference Result 570 states and 876 transitions. [2021-10-29 05:50:56,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 05:50:56,757 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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 25 [2021-10-29 05:50:56,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:56,763 INFO L225 Difference]: With dead ends: 570 [2021-10-29 05:50:56,763 INFO L226 Difference]: Without dead ends: 520 [2021-10-29 05:50:56,765 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-29 05:50:56,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2021-10-29 05:50:56,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 142. [2021-10-29 05:50:56,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.4539007092198581) internal successors, (205), 141 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:56,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 205 transitions. [2021-10-29 05:50:56,806 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 205 transitions. Word has length 25 [2021-10-29 05:50:56,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:56,807 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 205 transitions. [2021-10-29 05:50:56,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:56,808 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 205 transitions. [2021-10-29 05:50:56,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:50:56,810 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:56,810 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] [2021-10-29 05:50:56,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:50:57,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:50:57,011 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:50:57,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:57,011 INFO L85 PathProgramCache]: Analyzing trace with hash -21773810, now seen corresponding path program 1 times [2021-10-29 05:50:57,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:50:57,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508180618] [2021-10-29 05:50:57,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:57,013 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:50:57,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:50:57,015 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:50:57,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:50:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:50:58,528 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:51:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:51:00,239 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-29 05:51:00,239 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:51:00,241 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:51:00,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:51:00,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:51:00,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:51:00,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:51:00,469 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-29 05:51:00,474 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:51:00,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:51:00 BoogieIcfgContainer [2021-10-29 05:51:00,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:51:00,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:51:00,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:51:00,616 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:51:00,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:50:53" (3/4) ... [2021-10-29 05:51:00,619 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 05:51:00,744 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:51:00,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:51:00,748 INFO L168 Benchmark]: Toolchain (without parser) took 11596.38 ms. Allocated memory was 60.8 MB in the beginning and 94.4 MB in the end (delta: 33.6 MB). Free memory was 38.8 MB in the beginning and 56.8 MB in the end (delta: -18.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:00,749 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:51:00,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.54 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 38.6 MB in the beginning and 47.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:00,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.21 ms. Allocated memory is still 77.6 MB. Free memory was 47.8 MB in the beginning and 44.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:00,752 INFO L168 Benchmark]: Boogie Preprocessor took 84.28 ms. Allocated memory is still 77.6 MB. Free memory was 44.9 MB in the beginning and 42.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:00,753 INFO L168 Benchmark]: RCFGBuilder took 3019.72 ms. Allocated memory is still 77.6 MB. Free memory was 42.6 MB in the beginning and 57.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:00,753 INFO L168 Benchmark]: TraceAbstraction took 7523.30 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 57.4 MB in the beginning and 67.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:00,754 INFO L168 Benchmark]: Witness Printer took 131.13 ms. Allocated memory is still 94.4 MB. Free memory was 67.7 MB in the beginning and 56.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:00,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 724.54 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 38.6 MB in the beginning and 47.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.21 ms. Allocated memory is still 77.6 MB. Free memory was 47.8 MB in the beginning and 44.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.28 ms. Allocated memory is still 77.6 MB. Free memory was 44.9 MB in the beginning and 42.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3019.72 ms. Allocated memory is still 77.6 MB. Free memory was 42.6 MB in the beginning and 57.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7523.30 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 57.4 MB in the beginning and 67.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. * Witness Printer took 131.13 ms. Allocated memory is still 94.4 MB. Free memory was 67.7 MB in the beginning and 56.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 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 - CounterExampleResult [Line: 880]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L464] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L662] int waterLevel = 1; [L663] int methaneLevelCritical = 0; [L742] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L818] int retValue_acc ; [L819] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L911] int retValue_acc ; [L914] retValue_acc = 1 [L915] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L825] tmp = valid_product() [L827] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L229] int splverifierCounter ; [L230] int tmp ; [L231] int tmp___0 ; [L232] int tmp___1 ; [L233] int tmp___2 ; [L236] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L238] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L240] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L246] tmp = __VERIFIER_nondet_int() [L248] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L680] COND TRUE waterLevel < 2 [L681] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L256] tmp___0 = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L266] tmp___2 = __VERIFIER_nondet_int() [L268] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L67] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L74] COND TRUE \read(systemActive) [L96] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L99] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L843] int tmp ; [L844] int tmp___0 ; [L845] int tmp___1 ; [L701] int retValue_acc ; [L704] retValue_acc = methaneLevelCritical [L705] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L849] tmp = isMethaneLevelCritical() [L851] COND FALSE !(\read(tmp)) [L733] int retValue_acc ; [L736] retValue_acc = waterLevel [L737] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L855] tmp___0 = getWaterLevel() [L857] COND TRUE tmp___0 == 2 [L165] int retValue_acc ; [L168] retValue_acc = pumpRunning [L169] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L859] tmp___1 = isPumpRunning() [L861] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L880] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 880]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 282 SDtfs, 628 SDslu, 635 SDs, 0 SdLazy, 104 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred in iteration=4, InterpolantAutomatonStates: 25, 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, 4 MinimizatonAttempts, 411 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 SizeOfPredicates, 4 NumberOfNonLiveVariables, 790 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-29 05:51:00,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe576885-e13b-4441-9b4a-9580fee53fd9/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...