./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs --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 7a4b005f4559e9ba62e9f09db2cd76f4c9388f5e ............................................................................................................................................ 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_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs --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 7a4b005f4559e9ba62e9f09db2cd76f4c9388f5e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:59:48,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:59:48,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:59:48,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:59:48,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:59:48,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:59:48,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:59:48,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:59:48,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:59:48,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:59:48,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:59:48,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:59:48,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:59:48,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:59:48,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:59:48,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:59:48,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:59:48,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:59:48,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:59:48,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:59:48,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:59:48,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:59:48,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:59:48,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:59:48,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:59:48,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:59:48,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:59:48,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:59:48,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:59:48,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:59:48,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:59:48,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:59:48,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:59:48,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:59:48,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:59:48,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:59:48,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:59:48,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:59:48,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:59:48,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:59:48,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:59:48,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:59:48,277 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:59:48,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:59:48,278 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:59:48,278 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:59:48,279 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:59:48,279 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:59:48,279 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:59:48,279 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:59:48,280 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:59:48,280 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:59:48,280 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:59:48,280 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:59:48,281 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:59:48,281 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:59:48,281 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:59:48,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:59:48,282 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:59:48,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:59:48,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:59:48,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:59:48,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:59:48,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:59:48,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:59:48,284 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:59:48,284 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:59:48,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:59:48,285 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:59:48,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:59:48,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:59:48,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:59:48,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:59:48,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:59:48,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:59:48,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:59:48,287 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:59:48,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:59:48,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:59:48,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:59:48,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:59:48,288 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_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a4b005f4559e9ba62e9f09db2cd76f4c9388f5e [2021-10-16 02:59:48,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:59:48,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:59:48,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:59:48,578 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:59:48,578 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:59:48,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-10-16 02:59:48,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/data/0c4465109/52731594271740beae37251239d20900/FLAG4ca6b7f6d [2021-10-16 02:59:49,164 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:59:49,165 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-10-16 02:59:49,180 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/data/0c4465109/52731594271740beae37251239d20900/FLAG4ca6b7f6d [2021-10-16 02:59:49,465 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/data/0c4465109/52731594271740beae37251239d20900 [2021-10-16 02:59:49,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:59:49,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:59:49,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:59:49,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:59:49,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:59:49,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:59:49" (1/1) ... [2021-10-16 02:59:49,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc9e9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:59:49, skipping insertion in model container [2021-10-16 02:59:49,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:59:49" (1/1) ... [2021-10-16 02:59:49,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:59:49,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:59:49,720 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2021-10-16 02:59:49,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:59:49,860 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) [2021-10-16 02:59:49,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ae913c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:59:49, skipping insertion in model container [2021-10-16 02:59:49,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:59:49,866 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:59:49,869 INFO L168 Benchmark]: Toolchain (without parser) took 395.69 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 47.8 MB in the beginning and 85.6 MB in the end (delta: -37.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:59:49,871 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 65.0 MB in the beginning and 64.9 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:59:49,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.88 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 47.6 MB in the beginning and 85.6 MB in the end (delta: -38.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:59:49,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 65.0 MB in the beginning and 64.9 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 392.88 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 47.6 MB in the beginning and 85.6 MB in the end (delta: -38.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 535]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:59:52,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:59:52,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:59:52,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:59:52,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:59:52,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:59:52,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:59:52,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:59:52,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:59:52,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:59:52,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:59:52,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:59:52,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:59:52,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:59:52,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:59:52,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:59:52,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:59:52,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:59:52,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:59:52,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:59:52,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:59:52,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:59:52,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:59:52,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:59:52,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:59:52,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:59:52,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:59:52,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:59:52,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:59:52,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:59:52,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:59:52,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:59:52,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:59:52,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:59:52,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:59:52,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:59:52,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:59:52,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:59:52,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:59:52,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:59:52,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:59:52,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:59:52,313 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:59:52,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:59:52,314 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:59:52,314 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:59:52,314 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:59:52,315 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:59:52,315 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:59:52,315 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:59:52,315 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:59:52,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:59:52,316 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:59:52,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:59:52,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:59:52,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:59:52,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:59:52,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:59:52,317 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:59:52,318 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:59:52,318 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:59:52,318 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:59:52,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:59:52,318 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:59:52,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:59:52,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:59:52,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:59:52,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:59:52,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:59:52,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:59:52,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:59:52,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:59:52,320 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:59:52,320 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:59:52,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:59:52,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:59:52,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:59:52,321 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_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a4b005f4559e9ba62e9f09db2cd76f4c9388f5e [2021-10-16 02:59:52,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:59:52,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:59:52,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:59:52,769 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:59:52,769 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:59:52,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-10-16 02:59:52,850 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/data/b74d309dc/6e30fea323fa4660b842204472cc5bd6/FLAG9968a86c5 [2021-10-16 02:59:53,469 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:59:53,469 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-10-16 02:59:53,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/data/b74d309dc/6e30fea323fa4660b842204472cc5bd6/FLAG9968a86c5 [2021-10-16 02:59:53,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/data/b74d309dc/6e30fea323fa4660b842204472cc5bd6 [2021-10-16 02:59:53,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:59:53,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:59:53,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:59:53,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:59:53,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:59:53,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:59:53" (1/1) ... [2021-10-16 02:59:53,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510bc65a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:59:53, skipping insertion in model container [2021-10-16 02:59:53,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:59:53" (1/1) ... [2021-10-16 02:59:53,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:59:53,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:59:54,006 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2021-10-16 02:59:54,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:59:54,206 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 02:59:54,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:59:54,234 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2021-10-16 02:59:54,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:59:54,328 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:59:54,343 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2021-10-16 02:59:54,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:59:54,446 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:59:54,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:59:54 WrapperNode [2021-10-16 02:59:54,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:59:54,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:59:54,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:59:54,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:59:54,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:59:54" (1/1) ... [2021-10-16 02:59:54,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:59:54" (1/1) ... [2021-10-16 02:59:54,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:59:54,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:59:54,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:59:54,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:59:54,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:59:54" (1/1) ... [2021-10-16 02:59:54,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:59:54" (1/1) ... [2021-10-16 02:59:54,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:59:54" (1/1) ... [2021-10-16 02:59:54,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:59:54" (1/1) ... [2021-10-16 02:59:54,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:59:54" (1/1) ... [2021-10-16 02:59:54,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:59:54" (1/1) ... [2021-10-16 02:59:54,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:59:54" (1/1) ... [2021-10-16 02:59:54,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:59:54,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:59:54,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:59:54,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:59:54,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:59:54" (1/1) ... [2021-10-16 02:59:54,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:59:54,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:59:54,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:59:54,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:59:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:59:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:59:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:59:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:59:57,010 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:59:57,011 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-16 02:59:57,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:59:57 BoogieIcfgContainer [2021-10-16 02:59:57,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:59:57,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:59:57,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:59:57,018 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:59:57,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:59:53" (1/3) ... [2021-10-16 02:59:57,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6d00c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:59:57, skipping insertion in model container [2021-10-16 02:59:57,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:59:54" (2/3) ... [2021-10-16 02:59:57,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6d00c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:59:57, skipping insertion in model container [2021-10-16 02:59:57,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:59:57" (3/3) ... [2021-10-16 02:59:57,021 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2021-10-16 02:59:57,032 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:59:57,033 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 02:59:57,101 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:59:57,109 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:59:57,109 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-16 02:59:57,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:59:57,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-16 02:59:57,134 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:59:57,135 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:59:57,135 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:59:57,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:59:57,142 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2021-10-16 02:59:57,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:59:57,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172979041] [2021-10-16 02:59:57,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:59:57,158 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:59:57,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:59:57,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:59:57,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:59:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:59:57,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 02:59:57,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:59:57,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:59:57,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:59:57,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:59:57,597 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:59:57,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172979041] [2021-10-16 02:59:57,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172979041] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:59:57,599 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:59:57,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 02:59:57,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996997051] [2021-10-16 02:59:57,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:59:57,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:59:57,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:59:57,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:59:57,625 INFO L87 Difference]: Start difference. First operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:59:57,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:59:57,647 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-16 02:59:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:59:57,649 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-16 02:59:57,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:59:57,658 INFO L225 Difference]: With dead ends: 148 [2021-10-16 02:59:57,659 INFO L226 Difference]: Without dead ends: 73 [2021-10-16 02:59:57,662 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:59:57,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-16 02:59:57,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-16 02:59:57,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:59:57,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-16 02:59:57,700 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-10-16 02:59:57,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:59:57,700 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-16 02:59:57,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:59:57,701 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-16 02:59:57,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-16 02:59:57,702 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:59:57,702 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:59:57,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:59:57,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:59:57,916 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:59:57,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:59:57,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2021-10-16 02:59:57,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:59:57,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [354733448] [2021-10-16 02:59:57,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:59:57,918 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:59:57,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:59:57,919 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:59:57,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:59:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:59:58,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:59:58,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:59:58,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:59:58,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:59:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:59:58,271 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:59:58,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [354733448] [2021-10-16 02:59:58,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [354733448] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:59:58,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:59:58,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:59:58,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569173465] [2021-10-16 02:59:58,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:59:58,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:59:58,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:59:58,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:59:58,274 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:59:58,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:59:58,303 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-16 02:59:58,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:59:58,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-16 02:59:58,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:59:58,306 INFO L225 Difference]: With dead ends: 73 [2021-10-16 02:59:58,306 INFO L226 Difference]: Without dead ends: 35 [2021-10-16 02:59:58,307 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:59:58,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-16 02:59:58,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-16 02:59:58,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:59:58,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-16 02:59:58,321 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-10-16 02:59:58,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:59:58,321 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-16 02:59:58,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:59:58,322 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-16 02:59:58,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-16 02:59:58,324 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:59:58,328 INFO L512 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] [2021-10-16 02:59:58,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 02:59:58,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:59:58,541 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:59:58,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:59:58,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2021-10-16 02:59:58,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:59:58,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1321437269] [2021-10-16 02:59:58,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:59:58,543 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:59:58,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:59:58,544 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:59:58,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 02:59:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:59:58,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:59:58,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:59:58,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:59:58,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:59:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:59:58,916 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:59:58,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1321437269] [2021-10-16 02:59:58,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1321437269] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:59:58,916 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:59:58,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:59:58,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691426712] [2021-10-16 02:59:58,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:59:58,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:59:58,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:59:58,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:59:58,918 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:59:58,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:59:58,988 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2021-10-16 02:59:58,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:59:58,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-16 02:59:58,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:59:58,991 INFO L225 Difference]: With dead ends: 116 [2021-10-16 02:59:58,992 INFO L226 Difference]: Without dead ends: 87 [2021-10-16 02:59:58,993 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:59:58,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-16 02:59:59,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2021-10-16 02:59:59,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.471698113207547) internal successors, (78), 53 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:59:59,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2021-10-16 02:59:59,004 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2021-10-16 02:59:59,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:59:59,004 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2021-10-16 02:59:59,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:59:59,004 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2021-10-16 02:59:59,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-16 02:59:59,005 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:59:59,006 INFO L512 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] [2021-10-16 02:59:59,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 02:59:59,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:59:59,219 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:59:59,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:59:59,219 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2021-10-16 02:59:59,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:59:59,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [375586434] [2021-10-16 02:59:59,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:59:59,220 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:59:59,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:59:59,224 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:59:59,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 02:59:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:59:59,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:59:59,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:59:59,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:59:59,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:59:59,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:59:59,679 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:59:59,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [375586434] [2021-10-16 02:59:59,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [375586434] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:59:59,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:59:59,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-16 02:59:59,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299338196] [2021-10-16 02:59:59,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:59:59,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:59:59,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:59:59,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:59:59,683 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:59:59,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:59:59,803 INFO L93 Difference]: Finished difference Result 256 states and 391 transitions. [2021-10-16 02:59:59,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 02:59:59,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-16 02:59:59,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:59:59,809 INFO L225 Difference]: With dead ends: 256 [2021-10-16 02:59:59,810 INFO L226 Difference]: Without dead ends: 208 [2021-10-16 02:59:59,810 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 51.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-16 02:59:59,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-10-16 02:59:59,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 96. [2021-10-16 02:59:59,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 95 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:59:59,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2021-10-16 02:59:59,851 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 23 [2021-10-16 02:59:59,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:59:59,851 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2021-10-16 02:59:59,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:59:59,852 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2021-10-16 02:59:59,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-16 02:59:59,854 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:59:59,854 INFO L512 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] [2021-10-16 02:59:59,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 03:00:00,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:00:00,070 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:00:00,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:00:00,071 INFO L82 PathProgramCache]: Analyzing trace with hash -207760452, now seen corresponding path program 1 times [2021-10-16 03:00:00,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:00:00,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968394240] [2021-10-16 03:00:00,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:00:00,072 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:00:00,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:00:00,073 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:00:00,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 03:00:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:00:00,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:00:00,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:00:00,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:00:00,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:00:00,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:00:00,434 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:00:00,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968394240] [2021-10-16 03:00:00,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1968394240] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:00:00,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:00:00,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 03:00:00,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435916831] [2021-10-16 03:00:00,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 03:00:00,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:00:00,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 03:00:00,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:00:00,437 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:00:00,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:00:00,537 INFO L93 Difference]: Finished difference Result 286 states and 425 transitions. [2021-10-16 03:00:00,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 03:00:00,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-16 03:00:00,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:00:00,538 INFO L225 Difference]: With dead ends: 286 [2021-10-16 03:00:00,538 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 03:00:00,540 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:00:00,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 03:00:00,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 03:00:00,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:00:00,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 03:00:00,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-16 03:00:00,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:00:00,541 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 03:00:00,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:00:00,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 03:00:00,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 03:00:00,543 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:00:00,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:00:00,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:00:00,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 03:00:00,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:00:00,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 03:00:00,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:00,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:01,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:01,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:01,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:01,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:01,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:01,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:01,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:01,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:01,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:01,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:01,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:01,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:00:01,129 INFO L857 garLoopResultBuilder]: For program point L448(lines 448 452) no Hoare annotation was computed. [2021-10-16 03:00:01,129 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-16 03:00:01,130 INFO L853 garLoopResultBuilder]: At program point L895(lines 1 932) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:00:01,130 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2021-10-16 03:00:01,130 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 03:00:01,130 INFO L857 garLoopResultBuilder]: For program point L383-2(lines 383 387) no Hoare annotation was computed. [2021-10-16 03:00:01,130 INFO L857 garLoopResultBuilder]: For program point L383-3(lines 383 387) no Hoare annotation was computed. [2021-10-16 03:00:01,130 INFO L857 garLoopResultBuilder]: For program point L383-5(lines 383 387) no Hoare annotation was computed. [2021-10-16 03:00:01,131 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed. [2021-10-16 03:00:01,131 INFO L857 garLoopResultBuilder]: For program point L383-6(lines 383 387) no Hoare annotation was computed. [2021-10-16 03:00:01,131 INFO L853 garLoopResultBuilder]: At program point L185-1(lines 185 191) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:00:01,131 INFO L857 garLoopResultBuilder]: For program point L383-8(lines 383 387) no Hoare annotation was computed. [2021-10-16 03:00:01,131 INFO L853 garLoopResultBuilder]: At program point L334(lines 329 337) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:00:01,131 INFO L853 garLoopResultBuilder]: At program point L334-1(lines 329 337) the Hoare annotation is: false [2021-10-16 03:00:01,131 INFO L853 garLoopResultBuilder]: At program point L334-2(lines 329 337) the Hoare annotation is: false [2021-10-16 03:00:01,132 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 293) no Hoare annotation was computed. [2021-10-16 03:00:01,132 INFO L857 garLoopResultBuilder]: For program point L285-1(lines 285 293) no Hoare annotation was computed. [2021-10-16 03:00:01,132 INFO L857 garLoopResultBuilder]: For program point L285-2(lines 285 293) no Hoare annotation was computed. [2021-10-16 03:00:01,132 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-16 03:00:01,132 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-16 03:00:01,132 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-16 03:00:01,132 INFO L853 garLoopResultBuilder]: At program point L71-2(lines 71 85) the Hoare annotation is: false [2021-10-16 03:00:01,133 INFO L857 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2021-10-16 03:00:01,133 INFO L853 garLoopResultBuilder]: At program point L122(lines 118 124) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:00:01,133 INFO L853 garLoopResultBuilder]: At program point L502(lines 497 505) the Hoare annotation is: false [2021-10-16 03:00:01,133 INFO L853 garLoopResultBuilder]: At program point L502-1(lines 497 505) the Hoare annotation is: false [2021-10-16 03:00:01,133 INFO L857 garLoopResultBuilder]: For program point L436(lines 436 440) no Hoare annotation was computed. [2021-10-16 03:00:01,133 INFO L853 garLoopResultBuilder]: At program point L502-2(lines 497 505) the Hoare annotation is: false [2021-10-16 03:00:01,134 INFO L857 garLoopResultBuilder]: For program point L205(lines 205 220) no Hoare annotation was computed. [2021-10-16 03:00:01,134 INFO L857 garLoopResultBuilder]: For program point L916(lines 916 929) no Hoare annotation was computed. [2021-10-16 03:00:01,134 INFO L853 garLoopResultBuilder]: At program point L916-1(lines 1 932) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:00:01,134 INFO L857 garLoopResultBuilder]: For program point L916-2(lines 916 929) no Hoare annotation was computed. [2021-10-16 03:00:01,134 INFO L853 garLoopResultBuilder]: At program point L916-3(lines 1 932) the Hoare annotation is: false [2021-10-16 03:00:01,134 INFO L857 garLoopResultBuilder]: For program point L916-4(lines 916 929) no Hoare annotation was computed. [2021-10-16 03:00:01,134 INFO L853 garLoopResultBuilder]: At program point L916-5(lines 1 932) the Hoare annotation is: false [2021-10-16 03:00:01,135 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 03:00:01,135 INFO L853 garLoopResultBuilder]: At program point L256(lines 256 262) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:00:01,135 INFO L853 garLoopResultBuilder]: At program point L256-1(lines 256 262) the Hoare annotation is: false [2021-10-16 03:00:01,135 INFO L853 garLoopResultBuilder]: At program point L256-2(lines 256 262) the Hoare annotation is: false [2021-10-16 03:00:01,135 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-10-16 03:00:01,135 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 249 255) no Hoare annotation was computed. [2021-10-16 03:00:01,135 INFO L853 garLoopResultBuilder]: At program point L389(lines 374 392) the Hoare annotation is: false [2021-10-16 03:00:01,136 INFO L853 garLoopResultBuilder]: At program point L389-1(lines 374 392) the Hoare annotation is: false [2021-10-16 03:00:01,136 INFO L853 garLoopResultBuilder]: At program point L389-2(lines 374 392) the Hoare annotation is: false [2021-10-16 03:00:01,136 INFO L860 garLoopResultBuilder]: At program point L158(lines 139 161) the Hoare annotation is: true [2021-10-16 03:00:01,136 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-16 03:00:01,136 INFO L853 garLoopResultBuilder]: At program point L225(lines 174 226) the Hoare annotation is: false [2021-10-16 03:00:01,136 INFO L857 garLoopResultBuilder]: For program point L176(lines 175 224) no Hoare annotation was computed. [2021-10-16 03:00:01,137 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-10-16 03:00:01,137 INFO L853 garLoopResultBuilder]: At program point L903(lines 898 906) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:00:01,137 INFO L857 garLoopResultBuilder]: For program point L424-3(lines 424 428) no Hoare annotation was computed. [2021-10-16 03:00:01,137 INFO L857 garLoopResultBuilder]: For program point L424-6(lines 424 428) no Hoare annotation was computed. [2021-10-16 03:00:01,137 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 03:00:01,137 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 926) no Hoare annotation was computed. [2021-10-16 03:00:01,137 INFO L857 garLoopResultBuilder]: For program point L920-2(lines 920 926) no Hoare annotation was computed. [2021-10-16 03:00:01,138 INFO L857 garLoopResultBuilder]: For program point L920-4(lines 920 926) no Hoare annotation was computed. [2021-10-16 03:00:01,138 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 181) no Hoare annotation was computed. [2021-10-16 03:00:01,138 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 201) no Hoare annotation was computed. [2021-10-16 03:00:01,138 INFO L853 garLoopResultBuilder]: At program point L195-1(lines 195 201) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:00:01,138 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2021-10-16 03:00:01,138 INFO L853 garLoopResultBuilder]: At program point L213-1(lines 249 255) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:00:01,138 INFO L853 garLoopResultBuilder]: At program point L461(lines 456 464) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:00:01,139 INFO L853 garLoopResultBuilder]: At program point L461-1(lines 456 464) the Hoare annotation is: false [2021-10-16 03:00:01,139 INFO L853 garLoopResultBuilder]: At program point L461-2(lines 456 464) the Hoare annotation is: false [2021-10-16 03:00:01,139 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 03:00:01,139 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-16 03:00:01,139 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 298) no Hoare annotation was computed. [2021-10-16 03:00:01,139 INFO L857 garLoopResultBuilder]: For program point L281-1(lines 281 298) no Hoare annotation was computed. [2021-10-16 03:00:01,140 INFO L857 garLoopResultBuilder]: For program point L281-2(lines 281 298) no Hoare annotation was computed. [2021-10-16 03:00:01,140 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 156) no Hoare annotation was computed. [2021-10-16 03:00:01,140 INFO L860 garLoopResultBuilder]: At program point L149-1(lines 149 156) the Hoare annotation is: true [2021-10-16 03:00:01,140 INFO L857 garLoopResultBuilder]: For program point L397(lines 397 403) no Hoare annotation was computed. [2021-10-16 03:00:01,140 INFO L853 garLoopResultBuilder]: At program point L397-1(lines 397 403) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:00:01,140 INFO L853 garLoopResultBuilder]: At program point L249(lines 248 267) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:00:01,140 INFO L857 garLoopResultBuilder]: For program point L249-1(lines 249 255) no Hoare annotation was computed. [2021-10-16 03:00:01,141 INFO L853 garLoopResultBuilder]: At program point L249-2(lines 248 267) the Hoare annotation is: false [2021-10-16 03:00:01,141 INFO L853 garLoopResultBuilder]: At program point L249-3(lines 248 267) the Hoare annotation is: false [2021-10-16 03:00:01,151 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:00:01,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:00:01 BoogieIcfgContainer [2021-10-16 03:00:01,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:00:01,185 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:00:01,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:00:01,185 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:00:01,186 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:59:57" (3/4) ... [2021-10-16 03:00:01,189 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 03:00:01,219 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-16 03:00:01,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-16 03:00:01,221 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-16 03:00:01,222 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-16 03:00:01,222 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-16 03:00:01,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:00:01,224 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:00:01,255 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-16 03:00:01,307 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 03:00:01,307 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:00:01,309 INFO L168 Benchmark]: Toolchain (without parser) took 7566.41 ms. Allocated memory was 69.2 MB in the beginning and 115.3 MB in the end (delta: 46.1 MB). Free memory was 50.1 MB in the beginning and 89.6 MB in the end (delta: -39.5 MB). Peak memory consumption was 49.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:00:01,309 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 69.2 MB. Free memory was 51.2 MB in the beginning and 51.2 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:00:01,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.59 ms. Allocated memory is still 69.2 MB. Free memory was 49.9 MB in the beginning and 38.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 03:00:01,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.00 ms. Allocated memory is still 69.2 MB. Free memory was 37.9 MB in the beginning and 35.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:00:01,311 INFO L168 Benchmark]: Boogie Preprocessor took 87.41 ms. Allocated memory was 69.2 MB in the beginning and 94.4 MB in the end (delta: 25.2 MB). Free memory was 35.0 MB in the beginning and 77.3 MB in the end (delta: -42.3 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:00:01,311 INFO L168 Benchmark]: RCFGBuilder took 2383.49 ms. Allocated memory is still 94.4 MB. Free memory was 76.8 MB in the beginning and 57.6 MB in the end (delta: 19.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-16 03:00:01,311 INFO L168 Benchmark]: TraceAbstraction took 4169.69 ms. Allocated memory is still 94.4 MB. Free memory was 56.7 MB in the beginning and 28.5 MB in the end (delta: 28.2 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:00:01,312 INFO L168 Benchmark]: Witness Printer took 121.97 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 28.5 MB in the beginning and 89.6 MB in the end (delta: -61.1 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2021-10-16 03:00:01,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 69.2 MB. Free memory was 51.2 MB in the beginning and 51.2 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 704.59 ms. Allocated memory is still 69.2 MB. Free memory was 49.9 MB in the beginning and 38.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.00 ms. Allocated memory is still 69.2 MB. Free memory was 37.9 MB in the beginning and 35.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.41 ms. Allocated memory was 69.2 MB in the beginning and 94.4 MB in the end (delta: 25.2 MB). Free memory was 35.0 MB in the beginning and 77.3 MB in the end (delta: -42.3 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2383.49 ms. Allocated memory is still 94.4 MB. Free memory was 76.8 MB in the beginning and 57.6 MB in the end (delta: 19.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4169.69 ms. Allocated memory is still 94.4 MB. Free memory was 56.7 MB in the beginning and 28.5 MB in the end (delta: 28.2 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * Witness Printer took 121.97 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 28.5 MB in the beginning and 89.6 MB in the end (delta: -61.1 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4051.6ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 17.7ms, AutomataDifference: 395.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 371.5ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 333 SDtfs, 448 SDslu, 368 SDs, 0 SdLazy, 48 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 117.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 101.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 87.4ms AutomataMinimizationTime, 5 MinimizatonAttempts, 145 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3757 FormulaSimplificationTreeSizeReduction, 270.8ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 92.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 126.2ms SsaConstructionTime, 566.8ms SatisfiabilityAnalysisTime, 944.8ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-16 03:00:01,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6622b9-3a53-466a-9109-0c28701e51ea/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...