./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.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_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/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_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/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_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/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 06bd52675bc6dde68cedf41ed0037401ce822bbb ............................................................................................................................................ 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_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/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_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/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_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/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 06bd52675bc6dde68cedf41ed0037401ce822bbb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:28:13,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:13,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:13,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:13,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:13,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:13,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:13,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:13,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:13,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:13,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:13,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:13,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:13,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:13,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:13,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:13,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:13,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:13,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:13,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:13,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:13,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:13,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:13,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:13,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:13,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:13,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:13,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:13,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:13,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:13,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:13,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:13,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:13,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:13,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:13,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:13,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:13,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:13,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:13,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:13,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:13,194 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:28:13,230 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:13,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:13,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:13,231 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:13,231 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:13,232 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:13,232 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:13,232 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:13,232 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:13,233 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:13,233 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:13,233 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:13,233 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:13,233 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:13,234 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:13,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:13,235 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:13,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:13,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:13,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:13,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:13,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:13,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:13,236 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:13,236 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:13,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:13,237 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:13,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:13,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:13,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:13,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:13,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:13,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:13,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:13,239 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:13,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:13,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:13,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:13,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:13,240 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_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06bd52675bc6dde68cedf41ed0037401ce822bbb [2021-10-11 02:28:13,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:13,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:13,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:13,568 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:13,571 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:13,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2021-10-11 02:28:13,655 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/data/bf9b2539f/55631b76d53c4713a48d8b426ea919d6/FLAG7ee7e22bb [2021-10-11 02:28:14,222 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:14,223 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2021-10-11 02:28:14,242 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/data/bf9b2539f/55631b76d53c4713a48d8b426ea919d6/FLAG7ee7e22bb [2021-10-11 02:28:14,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/data/bf9b2539f/55631b76d53c4713a48d8b426ea919d6 [2021-10-11 02:28:14,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:14,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:14,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:14,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:14,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:14,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:14" (1/1) ... [2021-10-11 02:28:14,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@628424e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:14, skipping insertion in model container [2021-10-11 02:28:14,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:14" (1/1) ... [2021-10-11 02:28:14,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:14,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:14,874 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_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c[14599,14612] [2021-10-11 02:28:14,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:14,924 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 02:28:14,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6eda9b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:14, skipping insertion in model container [2021-10-11 02:28:14,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:14,925 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:28:14,928 INFO L168 Benchmark]: Toolchain (without parser) took 431.25 ms. Allocated memory is still 115.3 MB. Free memory was 77.1 MB in the beginning and 87.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:14,929 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 115.3 MB. Free memory is still 94.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:14,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 425.07 ms. Allocated memory is still 115.3 MB. Free memory was 76.9 MB in the beginning and 87.7 MB in the end (delta: -10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:14,938 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 115.3 MB. Free memory is still 94.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 425.07 ms. Allocated memory is still 115.3 MB. Free memory was 76.9 MB in the beginning and 87.7 MB in the end (delta: -10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 309]: 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 02:28:17,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:17,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:17,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:17,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:17,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:17,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:17,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:17,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:17,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:17,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:17,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:17,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:17,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:17,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:17,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:17,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:17,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:17,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:17,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:17,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:17,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:17,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:17,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:17,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:17,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:17,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:17,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:17,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:17,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:17,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:17,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:17,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:17,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:17,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:17,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:17,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:17,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:17,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:17,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:17,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:17,626 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:28:17,667 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:17,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:17,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:17,670 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:17,670 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:17,671 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:17,671 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:17,671 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:17,671 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:17,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:17,674 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:17,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:17,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:17,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:17,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:17,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:17,676 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:17,676 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:28:17,676 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:28:17,677 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:17,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:17,677 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:17,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:17,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:17,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:28:17,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:17,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:17,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:17,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:17,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:17,680 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:28:17,680 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:17,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:17,681 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:17,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:17,681 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_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06bd52675bc6dde68cedf41ed0037401ce822bbb [2021-10-11 02:28:18,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:18,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:18,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:18,139 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:18,142 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:18,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2021-10-11 02:28:18,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/data/678a4ba34/aaaf6953433a4ac792c6f0580bc28d51/FLAGe2233c197 [2021-10-11 02:28:19,018 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:19,019 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2021-10-11 02:28:19,040 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/data/678a4ba34/aaaf6953433a4ac792c6f0580bc28d51/FLAGe2233c197 [2021-10-11 02:28:19,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/data/678a4ba34/aaaf6953433a4ac792c6f0580bc28d51 [2021-10-11 02:28:19,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:19,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:19,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:19,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:19,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:19,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:19" (1/1) ... [2021-10-11 02:28:19,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732def18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:19, skipping insertion in model container [2021-10-11 02:28:19,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:19" (1/1) ... [2021-10-11 02:28:19,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:19,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:19,779 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_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c[14599,14612] [2021-10-11 02:28:19,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:19,841 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:28:19,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:19,920 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_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c[14599,14612] [2021-10-11 02:28:19,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:19,941 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:28:20,060 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_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c[14599,14612] [2021-10-11 02:28:20,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:20,134 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:28:20,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:20 WrapperNode [2021-10-11 02:28:20,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:20,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:20,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:28:20,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:28:20,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:20" (1/1) ... [2021-10-11 02:28:20,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:20" (1/1) ... [2021-10-11 02:28:20,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:20,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:28:20,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:28:20,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:28:20,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:20" (1/1) ... [2021-10-11 02:28:20,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:20" (1/1) ... [2021-10-11 02:28:20,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:20" (1/1) ... [2021-10-11 02:28:20,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:20" (1/1) ... [2021-10-11 02:28:20,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:20" (1/1) ... [2021-10-11 02:28:20,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:20" (1/1) ... [2021-10-11 02:28:20,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:20" (1/1) ... [2021-10-11 02:28:20,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:28:20,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:28:20,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:28:20,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:28:20,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:20" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/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 02:28:20,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:28:20,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:28:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:28:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:28:23,084 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:23,085 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-11 02:28:23,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:23 BoogieIcfgContainer [2021-10-11 02:28:23,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:23,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:23,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:23,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:23,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:28:19" (1/3) ... [2021-10-11 02:28:23,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d567ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:23, skipping insertion in model container [2021-10-11 02:28:23,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:20" (2/3) ... [2021-10-11 02:28:23,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d567ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:23, skipping insertion in model container [2021-10-11 02:28:23,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:23" (3/3) ... [2021-10-11 02:28:23,098 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2021-10-11 02:28:23,122 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:23,127 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:28:23,140 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:28:23,172 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:23,172 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:28:23,172 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:23,173 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:23,173 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:23,173 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:23,173 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:23,174 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:23,192 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2021-10-11 02:28:23,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:28:23,200 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:23,201 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:23,201 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:23,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:23,209 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2021-10-11 02:28:23,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:23,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424493056] [2021-10-11 02:28:23,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/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 02:28:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:23,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:28:23,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:23,562 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 02:28:23,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:23,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424493056] [2021-10-11 02:28:23,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:23,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:23,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146237741] [2021-10-11 02:28:23,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:28:23,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:23,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:28:23,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:23,607 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2021-10-11 02:28:23,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:23,631 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-10-11 02:28:23,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:28:23,632 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:28:23,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:23,642 INFO L225 Difference]: With dead ends: 136 [2021-10-11 02:28:23,643 INFO L226 Difference]: Without dead ends: 67 [2021-10-11 02:28:23,646 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 02:28:23,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-11 02:28:23,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-10-11 02:28:23,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2021-10-11 02:28:23,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-10-11 02:28:23,693 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2021-10-11 02:28:23,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:23,694 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-10-11 02:28:23,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:28:23,694 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-10-11 02:28:23,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:28:23,696 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:23,696 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 02:28:23,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:28:23,917 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:23,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:23,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2021-10-11 02:28:23,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:23,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235030556] [2021-10-11 02:28:23,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/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 02:28:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:24,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:24,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:24,188 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 02:28:24,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:24,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235030556] [2021-10-11 02:28:24,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:24,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:24,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635107322] [2021-10-11 02:28:24,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:24,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:24,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:24,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:24,193 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2021-10-11 02:28:24,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:24,206 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2021-10-11 02:28:24,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:24,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:28:24,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:24,208 INFO L225 Difference]: With dead ends: 67 [2021-10-11 02:28:24,208 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 02:28:24,209 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 02:28:24,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 02:28:24,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 02:28:24,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 02:28:24,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-11 02:28:24,217 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-11 02:28:24,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:24,218 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-11 02:28:24,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:24,218 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-11 02:28:24,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:28:24,219 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:24,220 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 02:28:24,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:28:24,447 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:24,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:24,448 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2021-10-11 02:28:24,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:24,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217315673] [2021-10-11 02:28:24,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/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 02:28:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:24,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:24,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:24,709 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 02:28:24,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:24,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217315673] [2021-10-11 02:28:24,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:24,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:24,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884360704] [2021-10-11 02:28:24,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:24,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:24,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:24,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:24,713 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2021-10-11 02:28:24,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:24,758 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2021-10-11 02:28:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:24,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:28:24,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:24,760 INFO L225 Difference]: With dead ends: 87 [2021-10-11 02:28:24,760 INFO L226 Difference]: Without dead ends: 60 [2021-10-11 02:28:24,761 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 02:28:24,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-11 02:28:24,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2021-10-11 02:28:24,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2021-10-11 02:28:24,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2021-10-11 02:28:24,771 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2021-10-11 02:28:24,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:24,771 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2021-10-11 02:28:24,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:24,771 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2021-10-11 02:28:24,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:28:24,773 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:24,773 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 02:28:24,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:28:24,990 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:24,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:24,991 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2021-10-11 02:28:24,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:24,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172197563] [2021-10-11 02:28:24,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/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 02:28:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:25,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:25,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:25,305 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 02:28:25,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:25,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172197563] [2021-10-11 02:28:25,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:25,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:25,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508583850] [2021-10-11 02:28:25,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:25,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:25,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:25,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:25,309 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2021-10-11 02:28:25,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:25,446 INFO L93 Difference]: Finished difference Result 260 states and 398 transitions. [2021-10-11 02:28:25,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:28:25,447 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 02:28:25,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:25,451 INFO L225 Difference]: With dead ends: 260 [2021-10-11 02:28:25,451 INFO L226 Difference]: Without dead ends: 210 [2021-10-11 02:28:25,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 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 02:28:25,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-10-11 02:28:25,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 100. [2021-10-11 02:28:25,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-10-11 02:28:25,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 145 transitions. [2021-10-11 02:28:25,476 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 145 transitions. Word has length 23 [2021-10-11 02:28:25,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:25,477 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 145 transitions. [2021-10-11 02:28:25,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:25,477 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2021-10-11 02:28:25,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:28:25,479 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:25,479 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 02:28:25,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:28:25,705 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:25,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:25,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1962564181, now seen corresponding path program 1 times [2021-10-11 02:28:25,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:25,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792304371] [2021-10-11 02:28:25,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/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 02:28:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:25,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:25,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:26,009 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 02:28:26,009 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:26,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792304371] [2021-10-11 02:28:26,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:26,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:26,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344740246] [2021-10-11 02:28:26,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:26,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:26,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:26,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:26,012 INFO L87 Difference]: Start difference. First operand 100 states and 145 transitions. Second operand 5 states. [2021-10-11 02:28:26,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:26,156 INFO L93 Difference]: Finished difference Result 296 states and 443 transitions. [2021-10-11 02:28:26,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:28:26,157 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 02:28:26,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:26,159 INFO L225 Difference]: With dead ends: 296 [2021-10-11 02:28:26,160 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:28:26,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 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 02:28:26,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:28:26,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:28:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:28:26,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:28:26,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 02:28:26,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:26,170 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:28:26,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:26,171 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:28:26,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:28:26,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:28:26,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:28:26,862 INFO L258 CegarLoopResult]: At program point L217(lines 212 220) 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 02:28:26,862 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 689) no Hoare annotation was computed. [2021-10-11 02:28:26,862 INFO L258 CegarLoopResult]: At program point L217-1(lines 212 220) the Hoare annotation is: false [2021-10-11 02:28:26,862 INFO L258 CegarLoopResult]: At program point L217-2(lines 212 220) the Hoare annotation is: false [2021-10-11 02:28:26,862 INFO L258 CegarLoopResult]: At program point L680(lines 675 683) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:26,862 INFO L262 CegarLoopResult]: For program point L168(lines 168 176) no Hoare annotation was computed. [2021-10-11 02:28:26,863 INFO L262 CegarLoopResult]: For program point L168-1(lines 168 176) no Hoare annotation was computed. [2021-10-11 02:28:26,863 INFO L262 CegarLoopResult]: For program point L168-2(lines 168 176) no Hoare annotation was computed. [2021-10-11 02:28:26,863 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:28:26,863 INFO L262 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2021-10-11 02:28:26,863 INFO L262 CegarLoopResult]: For program point L798(lines 798 811) no Hoare annotation was computed. [2021-10-11 02:28:26,863 INFO L258 CegarLoopResult]: At program point L798-1(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:28:26,863 INFO L262 CegarLoopResult]: For program point L798-2(lines 798 811) no Hoare annotation was computed. [2021-10-11 02:28:26,863 INFO L258 CegarLoopResult]: At program point L798-3(lines 1 895) the Hoare annotation is: false [2021-10-11 02:28:26,863 INFO L262 CegarLoopResult]: For program point L798-4(lines 798 811) no Hoare annotation was computed. [2021-10-11 02:28:26,864 INFO L258 CegarLoopResult]: At program point L798-5(lines 1 895) the Hoare annotation is: false [2021-10-11 02:28:26,864 INFO L262 CegarLoopResult]: For program point L88(lines 88 103) no Hoare annotation was computed. [2021-10-11 02:28:26,864 INFO L258 CegarLoopResult]: At program point L139(lines 139 145) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:28:26,864 INFO L258 CegarLoopResult]: At program point L139-1(lines 139 145) the Hoare annotation is: false [2021-10-11 02:28:26,864 INFO L258 CegarLoopResult]: At program point L139-2(lines 139 145) the Hoare annotation is: false [2021-10-11 02:28:26,864 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:28:26,864 INFO L265 CegarLoopResult]: At program point L785(lines 766 788) the Hoare annotation is: true [2021-10-11 02:28:26,864 INFO L258 CegarLoopResult]: At program point L108(lines 57 109) the Hoare annotation is: false [2021-10-11 02:28:26,864 INFO L262 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2021-10-11 02:28:26,865 INFO L262 CegarLoopResult]: For program point L802(lines 802 808) no Hoare annotation was computed. [2021-10-11 02:28:26,865 INFO L262 CegarLoopResult]: For program point L802-2(lines 802 808) no Hoare annotation was computed. [2021-10-11 02:28:26,865 INFO L262 CegarLoopResult]: For program point L802-4(lines 802 808) no Hoare annotation was computed. [2021-10-11 02:28:26,865 INFO L262 CegarLoopResult]: For program point L59(lines 58 107) no Hoare annotation was computed. [2021-10-11 02:28:26,865 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 689) no Hoare annotation was computed. [2021-10-11 02:28:26,865 INFO L258 CegarLoopResult]: At program point L753(lines 749 755) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:26,865 INFO L258 CegarLoopResult]: At program point L208(lines 201 211) the Hoare annotation is: false [2021-10-11 02:28:26,865 INFO L258 CegarLoopResult]: At program point L208-1(lines 201 211) the Hoare annotation is: false [2021-10-11 02:28:26,866 INFO L258 CegarLoopResult]: At program point L208-2(lines 201 211) the Hoare annotation is: false [2021-10-11 02:28:26,866 INFO L262 CegarLoopResult]: For program point L60(lines 60 64) no Hoare annotation was computed. [2021-10-11 02:28:26,866 INFO L258 CegarLoopResult]: At program point L672(lines 1 895) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:26,866 INFO L258 CegarLoopResult]: At program point L705-2(lines 705 719) the Hoare annotation is: false [2021-10-11 02:28:26,866 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:28:26,866 INFO L262 CegarLoopResult]: For program point L689(line 689) no Hoare annotation was computed. [2021-10-11 02:28:26,866 INFO L262 CegarLoopResult]: For program point L689-1(line 689) no Hoare annotation was computed. [2021-10-11 02:28:26,866 INFO L262 CegarLoopResult]: For program point L689-2(line 689) no Hoare annotation was computed. [2021-10-11 02:28:26,866 INFO L262 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2021-10-11 02:28:26,867 INFO L258 CegarLoopResult]: At program point L78-1(lines 78 84) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:28:26,867 INFO L262 CegarLoopResult]: For program point L706(line 706) no Hoare annotation was computed. [2021-10-11 02:28:26,867 INFO L262 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2021-10-11 02:28:26,867 INFO L258 CegarLoopResult]: At program point L261-1(lines 261 267) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:28:26,867 INFO L262 CegarLoopResult]: For program point L96(lines 96 102) no Hoare annotation was computed. [2021-10-11 02:28:26,867 INFO L258 CegarLoopResult]: At program point L96-1(lines 132 138) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:28:26,867 INFO L262 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2021-10-11 02:28:26,867 INFO L262 CegarLoopResult]: For program point L823-3(lines 823 827) no Hoare annotation was computed. [2021-10-11 02:28:26,867 INFO L262 CegarLoopResult]: For program point L823-6(lines 823 827) no Hoare annotation was computed. [2021-10-11 02:28:26,868 INFO L262 CegarLoopResult]: For program point L709(lines 709 713) no Hoare annotation was computed. [2021-10-11 02:28:26,868 INFO L262 CegarLoopResult]: For program point L164(lines 164 181) no Hoare annotation was computed. [2021-10-11 02:28:26,868 INFO L262 CegarLoopResult]: For program point L709-1(lines 132 138) no Hoare annotation was computed. [2021-10-11 02:28:26,868 INFO L262 CegarLoopResult]: For program point L164-1(lines 164 181) no Hoare annotation was computed. [2021-10-11 02:28:26,868 INFO L262 CegarLoopResult]: For program point L164-2(lines 164 181) no Hoare annotation was computed. [2021-10-11 02:28:26,868 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:28:26,868 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 689) no Hoare annotation was computed. [2021-10-11 02:28:26,868 INFO L262 CegarLoopResult]: For program point L776(lines 776 783) no Hoare annotation was computed. [2021-10-11 02:28:26,869 INFO L265 CegarLoopResult]: At program point L776-1(lines 776 783) the Hoare annotation is: true [2021-10-11 02:28:26,869 INFO L258 CegarLoopResult]: At program point L132(lines 131 150) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:28:26,869 INFO L262 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2021-10-11 02:28:26,869 INFO L258 CegarLoopResult]: At program point L132-2(lines 131 150) the Hoare annotation is: false [2021-10-11 02:28:26,869 INFO L258 CegarLoopResult]: At program point L132-3(lines 131 150) the Hoare annotation is: false [2021-10-11 02:28:26,869 INFO L258 CegarLoopResult]: At program point L860(lines 855 863) the Hoare annotation is: false [2021-10-11 02:28:26,869 INFO L258 CegarLoopResult]: At program point L860-1(lines 855 863) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:28:26,869 INFO L258 CegarLoopResult]: At program point L860-2(lines 855 863) the Hoare annotation is: false [2021-10-11 02:28:26,869 INFO L258 CegarLoopResult]: At program point L860-3(lines 855 863) the Hoare annotation is: false [2021-10-11 02:28:26,870 INFO L258 CegarLoopResult]: At program point L860-4(lines 855 863) the Hoare annotation is: false [2021-10-11 02:28:26,870 INFO L258 CegarLoopResult]: At program point L860-5(lines 855 863) the Hoare annotation is: false [2021-10-11 02:28:26,870 INFO L262 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2021-10-11 02:28:26,870 INFO L258 CegarLoopResult]: At program point L68-1(lines 68 74) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:28:26,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:26 BoogieIcfgContainer [2021-10-11 02:28:26,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:26,910 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:26,910 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:26,911 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:26,911 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:23" (3/4) ... [2021-10-11 02:28:26,915 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:28:26,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:28:26,943 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:28:26,944 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:28:26,947 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:28:26,947 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:28:26,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:26,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:26,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:28:27,062 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278a5c6-af31-4ce5-b3d4-c94fd6445e8d/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:27,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:27,064 INFO L168 Benchmark]: Toolchain (without parser) took 7800.71 ms. Allocated memory was 54.5 MB in the beginning and 88.1 MB in the end (delta: 33.6 MB). Free memory was 32.0 MB in the beginning and 49.4 MB in the end (delta: -17.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:27,065 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory is still 36.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:27,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 870.74 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.8 MB in the beginning and 35.6 MB in the end (delta: -3.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:27,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.32 ms. Allocated memory is still 67.1 MB. Free memory was 35.4 MB in the beginning and 32.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:27,067 INFO L168 Benchmark]: Boogie Preprocessor took 56.47 ms. Allocated memory is still 67.1 MB. Free memory was 32.5 MB in the beginning and 48.7 MB in the end (delta: -16.2 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:27,067 INFO L168 Benchmark]: RCFGBuilder took 2799.36 ms. Allocated memory is still 67.1 MB. Free memory was 48.7 MB in the beginning and 29.1 MB in the end (delta: 19.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:27,068 INFO L168 Benchmark]: TraceAbstraction took 3820.15 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 28.8 MB in the beginning and 55.7 MB in the end (delta: -26.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:27,068 INFO L168 Benchmark]: Witness Printer took 152.04 ms. Allocated memory is still 88.1 MB. Free memory was 55.7 MB in the beginning and 49.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:27,071 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory is still 36.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 870.74 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.8 MB in the beginning and 35.6 MB in the end (delta: -3.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.32 ms. Allocated memory is still 67.1 MB. Free memory was 35.4 MB in the beginning and 32.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.47 ms. Allocated memory is still 67.1 MB. Free memory was 32.5 MB in the beginning and 48.7 MB in the end (delta: -16.2 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2799.36 ms. Allocated memory is still 67.1 MB. Free memory was 48.7 MB in the beginning and 29.1 MB in the end (delta: 19.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3820.15 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 28.8 MB in the beginning and 55.7 MB in the end (delta: -26.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. * Witness Printer took 152.04 ms. Allocated memory is still 88.1 MB. Free memory was 55.7 MB in the beginning and 49.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 689]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 689]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 689]: 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: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 331 SDslu, 299 SDs, 0 SdLazy, 61 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred 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, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 122 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2984 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3325 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 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...