./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product03.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_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/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_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/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_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/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 a0ad45b227bbb81da93f33ffe3bf06c7b9263248 ............................................................................................................................................ 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_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/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_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/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_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/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 a0ad45b227bbb81da93f33ffe3bf06c7b9263248 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:31:05,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:05,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:05,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:05,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:05,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:05,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:05,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:05,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:05,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:05,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:05,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:05,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:05,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:05,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:05,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:05,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:05,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:05,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:05,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:05,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:05,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:05,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:05,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:05,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:05,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:05,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:05,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:05,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:05,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:05,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:05,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:05,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:05,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:05,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:05,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:05,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:05,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:05,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:05,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:05,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:05,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:31:05,485 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:05,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:05,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:05,487 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:05,487 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:05,488 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:05,488 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:31:05,488 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:05,488 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:05,488 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:31:05,490 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:31:05,490 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:05,490 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:31:05,491 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:31:05,491 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:31:05,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:05,492 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:05,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:31:05,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:05,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:05,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:05,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:05,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:05,494 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:05,494 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:05,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:05,495 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:05,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:05,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:05,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:05,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:05,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:05,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:05,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:05,498 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:31:05,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:31:05,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:05,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:05,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:05,499 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_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0ad45b227bbb81da93f33ffe3bf06c7b9263248 [2021-10-11 02:31:05,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:05,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:05,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:05,839 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:05,840 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:05,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2021-10-11 02:31:05,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/data/ce90fad00/a5c04ea2548246bd81ed6b17ff9a9d7f/FLAG868825463 [2021-10-11 02:31:06,558 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:06,559 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2021-10-11 02:31:06,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/data/ce90fad00/a5c04ea2548246bd81ed6b17ff9a9d7f/FLAG868825463 [2021-10-11 02:31:06,821 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/data/ce90fad00/a5c04ea2548246bd81ed6b17ff9a9d7f [2021-10-11 02:31:06,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:06,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:06,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:06,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:06,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:06,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:06,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5a7e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:06, skipping insertion in model container [2021-10-11 02:31:06,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:06,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:06,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:07,175 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_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c[6562,6575] [2021-10-11 02:31:07,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:07,306 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 02:31:07,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@196acfc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:07, skipping insertion in model container [2021-10-11 02:31:07,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:07,308 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:31:07,311 INFO L168 Benchmark]: Toolchain (without parser) took 482.65 ms. Allocated memory is still 98.6 MB. Free memory was 65.1 MB in the beginning and 73.8 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:07,313 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 77.6 MB. Free memory was 50.4 MB in the beginning and 50.4 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:07,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.04 ms. Allocated memory is still 98.6 MB. Free memory was 64.9 MB in the beginning and 73.8 MB in the end (delta: -8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:07,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 77.6 MB. Free memory was 50.4 MB in the beginning and 50.4 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 479.04 ms. Allocated memory is still 98.6 MB. Free memory was 64.9 MB in the beginning and 73.8 MB in the end (delta: -8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 522]: 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 02:31:10,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:10,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:10,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:10,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:10,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:10,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:10,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:10,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:10,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:10,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:10,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:10,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:10,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:10,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:10,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:10,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:10,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:10,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:10,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:10,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:10,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:10,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:10,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:10,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:10,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:10,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:10,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:10,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:10,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:10,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:10,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:10,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:10,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:10,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:10,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:10,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:10,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:10,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:10,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:10,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:10,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:31:10,292 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:10,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:10,298 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:10,299 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:10,299 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:10,300 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:10,300 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:10,300 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:10,300 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:10,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:10,304 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:10,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:10,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:10,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:10,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:10,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:10,306 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:10,306 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:31:10,307 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:31:10,307 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:10,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:10,308 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:10,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:10,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:10,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:31:10,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:10,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:10,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:10,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:10,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:10,310 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:31:10,311 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:10,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:10,311 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:10,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:10,312 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_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0ad45b227bbb81da93f33ffe3bf06c7b9263248 [2021-10-11 02:31:10,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:10,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:10,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:10,866 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:10,867 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:10,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2021-10-11 02:31:10,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/data/7d44db3f0/1aaac326ad8e4f9789f7fa1cd0739ed4/FLAGd015a774e [2021-10-11 02:31:11,679 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:11,680 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2021-10-11 02:31:11,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/data/7d44db3f0/1aaac326ad8e4f9789f7fa1cd0739ed4/FLAGd015a774e [2021-10-11 02:31:11,994 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/data/7d44db3f0/1aaac326ad8e4f9789f7fa1cd0739ed4 [2021-10-11 02:31:11,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:12,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:12,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:12,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:12,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:12,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:11" (1/1) ... [2021-10-11 02:31:12,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@227babbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12, skipping insertion in model container [2021-10-11 02:31:12,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:11" (1/1) ... [2021-10-11 02:31:12,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:12,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:12,347 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_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c[6562,6575] [2021-10-11 02:31:12,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:12,489 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:31:12,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:12,524 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_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c[6562,6575] [2021-10-11 02:31:12,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:12,588 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:31:12,623 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_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c[6562,6575] [2021-10-11 02:31:12,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:12,693 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:31:12,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12 WrapperNode [2021-10-11 02:31:12,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:12,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:12,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:31:12,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:31:12,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:12,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:31:12,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:31:12,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:31:12,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:31:12,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:31:12,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:31:12,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:31:12,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/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 02:31:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:31:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:31:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:31:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:15,220 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:15,220 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-10-11 02:31:15,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:15 BoogieIcfgContainer [2021-10-11 02:31:15,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:15,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:15,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:15,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:15,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:31:11" (1/3) ... [2021-10-11 02:31:15,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be636f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:15, skipping insertion in model container [2021-10-11 02:31:15,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (2/3) ... [2021-10-11 02:31:15,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be636f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:15, skipping insertion in model container [2021-10-11 02:31:15,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:15" (3/3) ... [2021-10-11 02:31:15,233 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2021-10-11 02:31:15,249 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:15,253 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:31:15,265 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:31:15,311 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:15,311 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:31:15,311 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:15,311 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:15,312 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:15,312 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:15,312 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:15,312 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:15,334 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2021-10-11 02:31:15,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:31:15,350 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:15,351 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:15,352 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:15,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:15,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2021-10-11 02:31:15,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:15,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1816060986] [2021-10-11 02:31:15,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/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 02:31:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:15,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:31:15,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:15,708 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 02:31:15,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:15,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1816060986] [2021-10-11 02:31:15,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:15,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:15,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687934641] [2021-10-11 02:31:15,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:31:15,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:15,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:31:15,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:15,742 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2021-10-11 02:31:15,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:15,764 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-11 02:31:15,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:31:15,765 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:31:15,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:15,775 INFO L225 Difference]: With dead ends: 112 [2021-10-11 02:31:15,775 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:31:15,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 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 02:31:15,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:31:15,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 02:31:15,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 02:31:15,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-11 02:31:15,839 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-11 02:31:15,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:15,839 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-11 02:31:15,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:31:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-11 02:31:15,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:31:15,840 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:15,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:16,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:31:16,049 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:16,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:16,050 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2021-10-11 02:31:16,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:16,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [31269277] [2021-10-11 02:31:16,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/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 02:31:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:16,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:16,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:16,337 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 02:31:16,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:16,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [31269277] [2021-10-11 02:31:16,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:16,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:31:16,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856167453] [2021-10-11 02:31:16,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:16,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:16,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:16,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:16,345 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2021-10-11 02:31:16,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:16,358 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-11 02:31:16,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:16,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:31:16,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:16,360 INFO L225 Difference]: With dead ends: 55 [2021-10-11 02:31:16,360 INFO L226 Difference]: Without dead ends: 29 [2021-10-11 02:31:16,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 02:31:16,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-11 02:31:16,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-11 02:31:16,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-11 02:31:16,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-11 02:31:16,366 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-11 02:31:16,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:16,367 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-11 02:31:16,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:16,367 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-11 02:31:16,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:31:16,368 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:16,368 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] [2021-10-11 02:31:16,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:31:16,585 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:16,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:16,586 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2021-10-11 02:31:16,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:16,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048634850] [2021-10-11 02:31:16,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/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 02:31:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:16,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:16,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:16,864 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 02:31:16,865 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:16,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048634850] [2021-10-11 02:31:16,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:16,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:16,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795921978] [2021-10-11 02:31:16,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:16,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:16,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:16,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:16,867 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2021-10-11 02:31:16,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:16,884 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2021-10-11 02:31:16,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:16,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:31:16,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:16,887 INFO L225 Difference]: With dead ends: 75 [2021-10-11 02:31:16,887 INFO L226 Difference]: Without dead ends: 52 [2021-10-11 02:31:16,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 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 02:31:16,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-11 02:31:16,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2021-10-11 02:31:16,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-10-11 02:31:16,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-11 02:31:16,898 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-11 02:31:16,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:16,898 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-11 02:31:16,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:16,898 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-11 02:31:16,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:31:16,899 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:16,900 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] [2021-10-11 02:31:17,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:31:17,118 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:17,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:17,118 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2021-10-11 02:31:17,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:17,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600882454] [2021-10-11 02:31:17,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/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 02:31:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:17,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:17,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:17,384 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 02:31:17,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:17,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600882454] [2021-10-11 02:31:17,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:17,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:31:17,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275949563] [2021-10-11 02:31:17,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:17,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:17,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:17,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:17,390 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2021-10-11 02:31:17,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:17,519 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2021-10-11 02:31:17,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:31:17,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 02:31:17,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:17,522 INFO L225 Difference]: With dead ends: 214 [2021-10-11 02:31:17,522 INFO L226 Difference]: Without dead ends: 172 [2021-10-11 02:31:17,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:31:17,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-11 02:31:17,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2021-10-11 02:31:17,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-10-11 02:31:17,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2021-10-11 02:31:17,543 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2021-10-11 02:31:17,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:17,543 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2021-10-11 02:31:17,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:17,544 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2021-10-11 02:31:17,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:31:17,545 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:17,545 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] [2021-10-11 02:31:17,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:31:17,765 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:17,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:17,766 INFO L82 PathProgramCache]: Analyzing trace with hash 507351174, now seen corresponding path program 1 times [2021-10-11 02:31:17,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:17,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393154206] [2021-10-11 02:31:17,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/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 02:31:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:17,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:17,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:17,979 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 02:31:17,979 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:17,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393154206] [2021-10-11 02:31:17,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:17,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:17,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929852998] [2021-10-11 02:31:17,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:17,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:17,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:17,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:17,982 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2021-10-11 02:31:18,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:18,100 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2021-10-11 02:31:18,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:31:18,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 02:31:18,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:18,102 INFO L225 Difference]: With dead ends: 268 [2021-10-11 02:31:18,102 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:31:18,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:31:18,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:31:18,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:31:18,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:31:18,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:31:18,104 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-11 02:31:18,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:18,105 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:31:18,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:18,105 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:31:18,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:31:18,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:31:18,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:31:18,442 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 6 [2021-10-11 02:31:18,737 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2021-10-11 02:31:18,737 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:31:18,737 INFO L262 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2021-10-11 02:31:18,737 INFO L262 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2021-10-11 02:31:18,738 INFO L262 CegarLoopResult]: For program point L270(lines 270 276) no Hoare annotation was computed. [2021-10-11 02:31:18,738 INFO L258 CegarLoopResult]: At program point L270-1(lines 270 276) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:18,738 INFO L258 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2021-10-11 02:31:18,738 INFO L258 CegarLoopResult]: At program point L139(lines 1 858) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:18,739 INFO L265 CegarLoopResult]: At program point L454(lines 435 457) the Hoare annotation is: true [2021-10-11 02:31:18,739 INFO L262 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2021-10-11 02:31:18,739 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:31:18,739 INFO L262 CegarLoopResult]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2021-10-11 02:31:18,740 INFO L262 CegarLoopResult]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2021-10-11 02:31:18,740 INFO L262 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2021-10-11 02:31:18,740 INFO L258 CegarLoopResult]: At program point L174(lines 174 180) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:18,741 INFO L258 CegarLoopResult]: At program point L174-1(lines 174 180) the Hoare annotation is: false [2021-10-11 02:31:18,747 INFO L258 CegarLoopResult]: At program point L174-2(lines 174 180) the Hoare annotation is: false [2021-10-11 02:31:18,747 INFO L258 CegarLoopResult]: At program point L422(lines 418 424) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:18,747 INFO L262 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2021-10-11 02:31:18,747 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2021-10-11 02:31:18,748 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-11 02:31:18,748 INFO L258 CegarLoopResult]: At program point L93-1(lines 167 173) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:18,748 INFO L258 CegarLoopResult]: At program point L374-2(lines 374 388) the Hoare annotation is: false [2021-10-11 02:31:18,748 INFO L262 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-10-11 02:31:18,748 INFO L258 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:18,748 INFO L258 CegarLoopResult]: At program point L226(lines 221 229) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:18,749 INFO L258 CegarLoopResult]: At program point L226-1(lines 221 229) the Hoare annotation is: false [2021-10-11 02:31:18,749 INFO L258 CegarLoopResult]: At program point L226-2(lines 221 229) the Hoare annotation is: false [2021-10-11 02:31:18,749 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:31:18,749 INFO L262 CegarLoopResult]: For program point L375(line 375) no Hoare annotation was computed. [2021-10-11 02:31:18,749 INFO L258 CegarLoopResult]: At program point L326(lines 321 329) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:18,750 INFO L258 CegarLoopResult]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2021-10-11 02:31:18,750 INFO L258 CegarLoopResult]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2021-10-11 02:31:18,750 INFO L262 CegarLoopResult]: For program point L476(lines 476 489) no Hoare annotation was computed. [2021-10-11 02:31:18,750 INFO L258 CegarLoopResult]: At program point L476-1(lines 1 858) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:18,751 INFO L262 CegarLoopResult]: For program point L476-2(lines 476 489) no Hoare annotation was computed. [2021-10-11 02:31:18,751 INFO L258 CegarLoopResult]: At program point L476-3(lines 1 858) the Hoare annotation is: false [2021-10-11 02:31:18,751 INFO L262 CegarLoopResult]: For program point L476-4(lines 476 489) no Hoare annotation was computed. [2021-10-11 02:31:18,751 INFO L258 CegarLoopResult]: At program point L476-5(lines 1 858) the Hoare annotation is: false [2021-10-11 02:31:18,751 INFO L262 CegarLoopResult]: For program point L378(lines 378 382) no Hoare annotation was computed. [2021-10-11 02:31:18,751 INFO L262 CegarLoopResult]: For program point L378-1(lines 167 173) no Hoare annotation was computed. [2021-10-11 02:31:18,751 INFO L258 CegarLoopResult]: At program point L147(lines 142 150) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:18,752 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:31:18,752 INFO L262 CegarLoopResult]: For program point L445(lines 445 452) no Hoare annotation was computed. [2021-10-11 02:31:18,752 INFO L265 CegarLoopResult]: At program point L445-1(lines 445 452) the Hoare annotation is: true [2021-10-11 02:31:18,752 INFO L262 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2021-10-11 02:31:18,752 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2021-10-11 02:31:18,752 INFO L262 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2021-10-11 02:31:18,752 INFO L262 CegarLoopResult]: For program point L463-1(line 463) no Hoare annotation was computed. [2021-10-11 02:31:18,753 INFO L262 CegarLoopResult]: For program point L463-2(line 463) no Hoare annotation was computed. [2021-10-11 02:31:18,753 INFO L262 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-10-11 02:31:18,753 INFO L258 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:18,753 INFO L262 CegarLoopResult]: For program point L480(lines 480 486) no Hoare annotation was computed. [2021-10-11 02:31:18,753 INFO L262 CegarLoopResult]: For program point L480-2(lines 480 486) no Hoare annotation was computed. [2021-10-11 02:31:18,753 INFO L262 CegarLoopResult]: For program point L480-4(lines 480 486) no Hoare annotation was computed. [2021-10-11 02:31:18,754 INFO L258 CegarLoopResult]: At program point L167(lines 166 185) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:18,754 INFO L262 CegarLoopResult]: For program point L167-1(lines 167 173) no Hoare annotation was computed. [2021-10-11 02:31:18,754 INFO L258 CegarLoopResult]: At program point L167-2(lines 166 185) the Hoare annotation is: false [2021-10-11 02:31:18,754 INFO L258 CegarLoopResult]: At program point L167-3(lines 166 185) the Hoare annotation is: false [2021-10-11 02:31:18,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:31:18 BoogieIcfgContainer [2021-10-11 02:31:18,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:31:18,778 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:31:18,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:31:18,779 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:31:18,779 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:15" (3/4) ... [2021-10-11 02:31:18,782 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:31:18,797 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:31:18,798 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:31:18,799 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:31:18,799 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:31:18,800 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:31:18,800 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:31:18,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:31:18,831 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:31:18,881 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_523fe9c4-9681-4dbc-bb34-ee8fc02defc9/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:31:18,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:31:18,882 INFO L168 Benchmark]: Toolchain (without parser) took 6881.38 ms. Allocated memory was 60.8 MB in the beginning and 98.6 MB in the end (delta: 37.7 MB). Free memory was 38.9 MB in the beginning and 39.0 MB in the end (delta: -138.2 kB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:18,883 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 60.8 MB. Free memory was 42.1 MB in the beginning and 42.1 MB in the end (delta: 44.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:18,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.45 ms. Allocated memory is still 60.8 MB. Free memory was 38.7 MB in the beginning and 29.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:18,887 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.64 ms. Allocated memory is still 60.8 MB. Free memory was 29.5 MB in the beginning and 27.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:18,889 INFO L168 Benchmark]: Boogie Preprocessor took 44.92 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 27.0 MB in the beginning and 62.0 MB in the end (delta: -35.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:18,890 INFO L168 Benchmark]: RCFGBuilder took 2409.55 ms. Allocated memory is still 79.7 MB. Free memory was 62.0 MB in the beginning and 29.6 MB in the end (delta: 32.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:18,891 INFO L168 Benchmark]: TraceAbstraction took 3552.67 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 29.6 MB in the beginning and 44.1 MB in the end (delta: -14.5 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:18,891 INFO L168 Benchmark]: Witness Printer took 102.58 ms. Allocated memory is still 98.6 MB. Free memory was 44.1 MB in the beginning and 39.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:18,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 60.8 MB. Free memory was 42.1 MB in the beginning and 42.1 MB in the end (delta: 44.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 691.45 ms. Allocated memory is still 60.8 MB. Free memory was 38.7 MB in the beginning and 29.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.64 ms. Allocated memory is still 60.8 MB. Free memory was 29.5 MB in the beginning and 27.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.92 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 27.0 MB in the beginning and 62.0 MB in the end (delta: -35.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2409.55 ms. Allocated memory is still 79.7 MB. Free memory was 62.0 MB in the beginning and 29.6 MB in the end (delta: 32.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3552.67 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 29.6 MB in the beginning and 44.1 MB in the end (delta: -14.5 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Witness Printer took 102.58 ms. Allocated memory is still 98.6 MB. Free memory was 44.1 MB in the beginning and 39.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 270 SDtfs, 280 SDslu, 271 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 116 HoareAnnotationTreeSize, 26 FomulaSimplifications, 2909 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 4191 SizeOfPredicates, 7 NumberOfNonLiveVariables, 971 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 correct! Received shutdown request...