./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI --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 5b0e9ceed31cf921db72d6c1708a08263854c92a ............................................................................................................................................ 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_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI --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 5b0e9ceed31cf921db72d6c1708a08263854c92a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-7b2dab5 [2021-10-11 02:27:49,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:49,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:49,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:49,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:49,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:49,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:49,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:49,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:49,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:49,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:49,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:49,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:49,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:49,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:49,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:49,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:49,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:49,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:49,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:49,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:49,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:49,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:49,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:49,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:49,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:49,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:49,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:49,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:49,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:49,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:49,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:49,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:49,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:49,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:49,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:49,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:49,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:49,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:49,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:49,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:49,304 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:27:49,345 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:49,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:49,347 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:49,347 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:49,348 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:49,348 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:49,348 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:27:49,348 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:49,348 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:49,349 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:27:49,350 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:27:49,350 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:49,350 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:27:49,351 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:27:49,351 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:27:49,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:49,352 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:49,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:27:49,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:49,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:49,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:49,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:49,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:49,353 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:49,354 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:49,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:49,354 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:49,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:49,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:49,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:49,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:49,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:49,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:49,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:49,356 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:27:49,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:27:49,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:49,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:49,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:49,358 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_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b0e9ceed31cf921db72d6c1708a08263854c92a [2021-10-11 02:27:49,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:49,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:49,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:49,689 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:49,691 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:49,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c [2021-10-11 02:27:49,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/data/13d4e146c/80ed13c96bfe49a497061bbd55036f46/FLAG0ed6c9074 [2021-10-11 02:27:50,334 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:50,335 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c [2021-10-11 02:27:50,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/data/13d4e146c/80ed13c96bfe49a497061bbd55036f46/FLAG0ed6c9074 [2021-10-11 02:27:50,618 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/data/13d4e146c/80ed13c96bfe49a497061bbd55036f46 [2021-10-11 02:27:50,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:50,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:50,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:50,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:50,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:50,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:50" (1/1) ... [2021-10-11 02:27:50,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79de2ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:50, skipping insertion in model container [2021-10-11 02:27:50,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:50" (1/1) ... [2021-10-11 02:27:50,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:50,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:50,862 WARN L226 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_166789a5-e69d-4d1b-81aa-c250b2c3423e/sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c[1867,1880] [2021-10-11 02:27:51,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:51,031 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) [2021-10-11 02:27:51,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@168d47e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:51, skipping insertion in model container [2021-10-11 02:27:51,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:51,032 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:27:51,034 INFO L168 Benchmark]: Toolchain (without parser) took 410.47 ms. Allocated memory is still 107.0 MB. Free memory was 74.6 MB in the beginning and 79.8 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:51,035 INFO L168 Benchmark]: CDTParser took 1.60 ms. Allocated memory is still 107.0 MB. Free memory is still 61.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:51,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.95 ms. Allocated memory is still 107.0 MB. Free memory was 74.6 MB in the beginning and 79.8 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:51,037 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60 ms. Allocated memory is still 107.0 MB. Free memory is still 61.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 407.95 ms. Allocated memory is still 107.0 MB. Free memory was 74.6 MB in the beginning and 79.8 MB in the end (delta: -5.2 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: 117]: 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 0.2.0-7b2dab5 [2021-10-11 02:27:53,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:53,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:53,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:53,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:53,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:53,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:53,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:53,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:53,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:53,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:53,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:53,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:53,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:53,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:53,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:53,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:53,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:53,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:53,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:53,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:53,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:53,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:53,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:53,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:53,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:53,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:53,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:53,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:53,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:53,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:53,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:53,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:53,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:53,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:53,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:53,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:53,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:53,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:53,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:53,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:53,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:27:53,485 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:53,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:53,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:53,486 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:53,487 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:53,487 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:53,487 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:53,487 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:53,487 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:53,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:53,490 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:53,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:53,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:53,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:53,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:53,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:53,491 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:53,491 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:27:53,491 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:27:53,491 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:53,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:53,492 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:53,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:53,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:53,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:27:53,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:53,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:53,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:53,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:53,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:53,493 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:27:53,494 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:27:53,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:53,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:53,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:53,495 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_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b0e9ceed31cf921db72d6c1708a08263854c92a [2021-10-11 02:27:53,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:53,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:53,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:53,920 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:53,922 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:53,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c [2021-10-11 02:27:54,007 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/data/65d7c0922/4cf9f24d47e44b2687ae1bbe0fce123d/FLAG0db0fe62d [2021-10-11 02:27:54,664 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:54,665 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c [2021-10-11 02:27:54,689 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/data/65d7c0922/4cf9f24d47e44b2687ae1bbe0fce123d/FLAG0db0fe62d [2021-10-11 02:27:54,953 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/data/65d7c0922/4cf9f24d47e44b2687ae1bbe0fce123d [2021-10-11 02:27:54,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:54,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:54,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:54,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:54,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:54,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:54" (1/1) ... [2021-10-11 02:27:54,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319be126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:54, skipping insertion in model container [2021-10-11 02:27:54,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:54" (1/1) ... [2021-10-11 02:27:54,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:55,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:55,205 WARN L226 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_166789a5-e69d-4d1b-81aa-c250b2c3423e/sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c[1867,1880] [2021-10-11 02:27:55,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:55,399 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:27:55,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:55,415 WARN L226 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_166789a5-e69d-4d1b-81aa-c250b2c3423e/sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c[1867,1880] [2021-10-11 02:27:55,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:55,474 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:27:55,488 WARN L226 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_166789a5-e69d-4d1b-81aa-c250b2c3423e/sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c[1867,1880] [2021-10-11 02:27:55,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:55,567 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:27:55,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:55 WrapperNode [2021-10-11 02:27:55,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:55,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:55,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:27:55,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:27:55,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:55" (1/1) ... [2021-10-11 02:27:55,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:55" (1/1) ... [2021-10-11 02:27:55,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:55,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:27:55,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:27:55,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:27:55,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:55" (1/1) ... [2021-10-11 02:27:55,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:55" (1/1) ... [2021-10-11 02:27:55,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:55" (1/1) ... [2021-10-11 02:27:55,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:55" (1/1) ... [2021-10-11 02:27:55,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:55" (1/1) ... [2021-10-11 02:27:55,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:55" (1/1) ... [2021-10-11 02:27:55,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:55" (1/1) ... [2021-10-11 02:27:55,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:27:55,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:27:55,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:27:55,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:27:55,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:55" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:27:55,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:27:55,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:27:55,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:27:58,117 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:27:58,118 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-11 02:27:58,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:58 BoogieIcfgContainer [2021-10-11 02:27:58,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:27:58,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:27:58,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:27:58,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:27:58,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:27:54" (1/3) ... [2021-10-11 02:27:58,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17731175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:58, skipping insertion in model container [2021-10-11 02:27:58,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:55" (2/3) ... [2021-10-11 02:27:58,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17731175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:58, skipping insertion in model container [2021-10-11 02:27:58,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:58" (3/3) ... [2021-10-11 02:27:58,128 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product25.cil.c [2021-10-11 02:27:58,142 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:27:58,149 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:27:58,160 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:27:58,185 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:27:58,186 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:27:58,186 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:27:58,186 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:27:58,186 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:27:58,186 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:27:58,187 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:27:58,187 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:27:58,202 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2021-10-11 02:27:58,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:27:58,208 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:58,209 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:58,209 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:58,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:58,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1940604754, now seen corresponding path program 1 times [2021-10-11 02:27:58,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:58,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605390636] [2021-10-11 02:27:58,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:58,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:27:58,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:58,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:58,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:58,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605390636] [2021-10-11 02:27:58,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:58,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:27:58,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461448511] [2021-10-11 02:27:58,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:27:58,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:58,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:27:58,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:58,587 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2021-10-11 02:27:58,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:58,611 INFO L93 Difference]: Finished difference Result 156 states and 233 transitions. [2021-10-11 02:27:58,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:27:58,612 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:27:58,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:58,622 INFO L225 Difference]: With dead ends: 156 [2021-10-11 02:27:58,622 INFO L226 Difference]: Without dead ends: 77 [2021-10-11 02:27:58,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:58,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-11 02:27:58,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-10-11 02:27:58,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-10-11 02:27:58,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 108 transitions. [2021-10-11 02:27:58,664 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 108 transitions. Word has length 18 [2021-10-11 02:27:58,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:58,665 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 108 transitions. [2021-10-11 02:27:58,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:27:58,665 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2021-10-11 02:27:58,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:27:58,666 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:58,666 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:58,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:27:58,883 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:58,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:58,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1815937872, now seen corresponding path program 1 times [2021-10-11 02:27:58,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:58,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773681476] [2021-10-11 02:27:58,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:59,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:27:59,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:59,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:59,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:59,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1773681476] [2021-10-11 02:27:59,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:59,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:27:59,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272194179] [2021-10-11 02:27:59,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:59,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:59,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:59,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:59,181 INFO L87 Difference]: Start difference. First operand 77 states and 108 transitions. Second operand 3 states. [2021-10-11 02:27:59,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:59,201 INFO L93 Difference]: Finished difference Result 77 states and 108 transitions. [2021-10-11 02:27:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:59,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:27:59,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:59,205 INFO L225 Difference]: With dead ends: 77 [2021-10-11 02:27:59,205 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 02:27:59,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:59,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 02:27:59,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 02:27:59,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 02:27:59,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-11 02:27:59,218 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-11 02:27:59,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:59,222 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-11 02:27:59,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:59,223 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-11 02:27:59,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:27:59,227 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:59,227 INFO L422 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] [2021-10-11 02:27:59,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:27:59,443 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:59,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:59,444 INFO L82 PathProgramCache]: Analyzing trace with hash -163835793, now seen corresponding path program 1 times [2021-10-11 02:27:59,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:59,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [942652269] [2021-10-11 02:27:59,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:59,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:27:59,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:59,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:59,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [942652269] [2021-10-11 02:27:59,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:59,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:27:59,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480571563] [2021-10-11 02:27:59,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:59,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:59,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:59,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:59,684 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2021-10-11 02:27:59,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:59,691 INFO L93 Difference]: Finished difference Result 64 states and 92 transitions. [2021-10-11 02:27:59,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:59,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:27:59,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:59,692 INFO L225 Difference]: With dead ends: 64 [2021-10-11 02:27:59,693 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 02:27:59,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:59,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 02:27:59,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 02:27:59,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 02:27:59,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2021-10-11 02:27:59,711 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2021-10-11 02:27:59,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:59,711 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2021-10-11 02:27:59,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:59,711 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-10-11 02:27:59,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:27:59,712 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:59,712 INFO L422 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] [2021-10-11 02:27:59,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:27:59,928 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:59,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:59,929 INFO L82 PathProgramCache]: Analyzing trace with hash 993963754, now seen corresponding path program 1 times [2021-10-11 02:27:59,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:59,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372649370] [2021-10-11 02:27:59,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:00,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:00,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:00,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:00,174 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:00,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372649370] [2021-10-11 02:28:00,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:00,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:00,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380339383] [2021-10-11 02:28:00,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:00,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:00,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:00,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:00,176 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2021-10-11 02:28:00,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:00,302 INFO L93 Difference]: Finished difference Result 172 states and 255 transitions. [2021-10-11 02:28:00,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:28:00,303 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:28:00,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:00,304 INFO L225 Difference]: With dead ends: 172 [2021-10-11 02:28:00,305 INFO L226 Difference]: Without dead ends: 143 [2021-10-11 02:28:00,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:28:00,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-10-11 02:28:00,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 60. [2021-10-11 02:28:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 02:28:00,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-10-11 02:28:00,317 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 25 [2021-10-11 02:28:00,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:00,318 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-10-11 02:28:00,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:00,318 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-10-11 02:28:00,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:28:00,319 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:00,319 INFO L422 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] [2021-10-11 02:28:00,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:28:00,535 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:00,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:00,535 INFO L82 PathProgramCache]: Analyzing trace with hash -965345236, now seen corresponding path program 1 times [2021-10-11 02:28:00,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:00,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684484328] [2021-10-11 02:28:00,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:28:01,700 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:28:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:28:02,885 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:28:03,030 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:28:03,031 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:28:03,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:28:03,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:03 BoogieIcfgContainer [2021-10-11 02:28:03,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:03,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:03,375 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:03,376 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:03,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:58" (3/4) ... [2021-10-11 02:28:03,378 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:28:03,477 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166789a5-e69d-4d1b-81aa-c250b2c3423e/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:03,478 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:03,479 INFO L168 Benchmark]: Toolchain (without parser) took 8521.47 ms. Allocated memory was 52.4 MB in the beginning and 81.8 MB in the end (delta: 29.4 MB). Free memory was 28.1 MB in the beginning and 33.9 MB in the end (delta: -5.7 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:03,482 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 52.4 MB. Free memory was 33.9 MB in the beginning and 33.9 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:03,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.60 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.9 MB in the beginning and 29.8 MB in the end (delta: -1.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:03,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.96 ms. Allocated memory is still 62.9 MB. Free memory was 29.8 MB in the beginning and 44.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:03,485 INFO L168 Benchmark]: Boogie Preprocessor took 40.11 ms. Allocated memory is still 62.9 MB. Free memory was 44.9 MB in the beginning and 42.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:03,486 INFO L168 Benchmark]: RCFGBuilder took 2441.13 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 42.6 MB in the beginning and 55.3 MB in the end (delta: -12.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:03,487 INFO L168 Benchmark]: TraceAbstraction took 5253.74 ms. Allocated memory is still 81.8 MB. Free memory was 54.8 MB in the beginning and 44.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:03,491 INFO L168 Benchmark]: Witness Printer took 102.48 ms. Allocated memory is still 81.8 MB. Free memory was 44.4 MB in the beginning and 33.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:03,495 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 52.4 MB. Free memory was 33.9 MB in the beginning and 33.9 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 607.60 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.9 MB in the beginning and 29.8 MB in the end (delta: -1.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.96 ms. Allocated memory is still 62.9 MB. Free memory was 29.8 MB in the beginning and 44.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.11 ms. Allocated memory is still 62.9 MB. Free memory was 44.9 MB in the beginning and 42.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2441.13 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 42.6 MB in the beginning and 55.3 MB in the end (delta: -12.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5253.74 ms. Allocated memory is still 81.8 MB. Free memory was 54.8 MB in the beginning and 44.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. * Witness Printer took 102.48 ms. Allocated memory is still 81.8 MB. Free memory was 44.4 MB in the beginning and 33.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 84]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L258] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L460] int waterLevel = 1; [L461] int methaneLevelCritical = 0; [L587] int cleanupTimeShifts = 4; [L688] int pumpRunning = 0; [L689] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L663] int retValue_acc ; [L664] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L578] int retValue_acc ; [L581] retValue_acc = 1 [L582] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L670] tmp = valid_product() [L672] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] int splverifierCounter ; [L860] int tmp ; [L861] int tmp___0 ; [L862] int tmp___1 ; [L863] int tmp___2 ; [L866] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L868] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L870] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L876] tmp = __VERIFIER_nondet_int() [L878] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L478] COND TRUE waterLevel < 2 [L479] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L886] tmp___0 = __VERIFIER_nondet_int() [L888] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L896] tmp___2 = __VERIFIER_nondet_int() [L898] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L695] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L702] COND TRUE \read(systemActive) [L724] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L727] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L499] int retValue_acc ; [L502] retValue_acc = methaneLevelCritical [L503] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L53] tmp = isMethaneLevelCritical() [L55] COND FALSE !(\read(tmp)) [L531] int retValue_acc ; [L534] retValue_acc = waterLevel [L535] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L59] tmp___0 = getWaterLevel() [L61] COND TRUE tmp___0 == 2 [L794] int retValue_acc ; [L797] retValue_acc = pumpRunning [L798] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L63] tmp___1 = isPumpRunning() [L65] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L84] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 281 SDtfs, 266 SDslu, 183 SDs, 0 SdLazy, 43 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 83 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 5090 SizeOfPredicates, 4 NumberOfNonLiveVariables, 790 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! Received shutdown request...