./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8 --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 ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:36:01,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:36:01,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:36:01,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:36:01,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:36:01,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:36:01,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:36:01,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:36:01,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:36:01,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:36:01,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:36:01,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:36:01,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:36:01,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:36:01,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:36:01,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:36:01,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:36:01,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:36:01,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:36:01,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:36:01,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:36:01,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:36:01,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:36:01,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:36:01,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:36:01,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:36:01,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:36:01,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:36:01,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:36:01,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:36:01,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:36:01,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:36:01,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:36:01,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:36:01,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:36:01,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:36:01,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:36:01,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:36:01,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:36:01,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:36:01,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:36:01,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:36:01,307 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:36:01,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:36:01,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:36:01,308 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:36:01,308 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:36:01,308 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:36:01,309 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:36:01,309 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:36:01,309 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:36:01,309 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:36:01,309 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:36:01,309 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:36:01,310 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:36:01,310 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:36:01,310 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:36:01,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:36:01,311 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:36:01,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:36:01,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:36:01,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:36:01,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:36:01,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:36:01,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:36:01,312 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:36:01,313 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:36:01,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:36:01,313 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:36:01,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:36:01,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:36:01,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:36:01,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:36:01,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:36:01,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:36:01,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:36:01,314 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:36:01,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:36:01,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:36:01,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:36:01,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:36:01,315 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_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 [2021-11-07 01:36:01,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:36:01,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:36:01,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:36:01,619 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:36:01,619 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:36:01,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2021-11-07 01:36:01,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/data/a8b9cb127/d524d459dc21427ab11a41b502da6dd5/FLAG60033ef9d [2021-11-07 01:36:02,162 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:36:02,163 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2021-11-07 01:36:02,174 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/data/a8b9cb127/d524d459dc21427ab11a41b502da6dd5/FLAG60033ef9d [2021-11-07 01:36:02,510 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/data/a8b9cb127/d524d459dc21427ab11a41b502da6dd5 [2021-11-07 01:36:02,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:36:02,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:36:02,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:36:02,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:36:02,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:36:02,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:02" (1/1) ... [2021-11-07 01:36:02,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@304c8587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:02, skipping insertion in model container [2021-11-07 01:36:02,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:02" (1/1) ... [2021-11-07 01:36:02,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:36:02,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:36:02,815 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_3cdee32f-aaea-4e23-a479-db3bddbc27e1/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c[2807,2820] [2021-11-07 01:36:02,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:03,007 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) [2021-11-07 01:36:03,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41f05239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:03, skipping insertion in model container [2021-11-07 01:36:03,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:36:03,009 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:36:03,011 INFO L168 Benchmark]: Toolchain (without parser) took 495.67 ms. Allocated memory is still 134.2 MB. Free memory was 100.6 MB in the beginning and 108.5 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:03,012 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 83.9 MB. Free memory was 42.4 MB in the beginning and 42.4 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:36:03,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.56 ms. Allocated memory is still 134.2 MB. Free memory was 100.6 MB in the beginning and 108.5 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:03,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 83.9 MB. Free memory was 42.4 MB in the beginning and 42.4 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 487.56 ms. Allocated memory is still 134.2 MB. Free memory was 100.6 MB in the beginning and 108.5 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 352]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8 --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 ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:36:05,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:36:05,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:36:05,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:36:05,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:36:05,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:36:05,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:36:05,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:36:05,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:36:05,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:36:05,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:36:05,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:36:05,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:36:05,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:36:05,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:36:05,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:36:05,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:36:05,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:36:05,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:36:05,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:36:05,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:36:05,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:36:05,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:36:05,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:36:05,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:36:05,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:36:05,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:36:05,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:36:05,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:36:05,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:36:05,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:36:05,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:36:05,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:36:05,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:36:05,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:36:05,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:36:05,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:36:05,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:36:05,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:36:05,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:36:05,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:36:05,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:36:05,193 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:36:05,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:36:05,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:36:05,195 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:36:05,195 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:36:05,195 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:36:05,195 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:36:05,196 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:36:05,196 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:36:05,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:36:05,197 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:36:05,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:36:05,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:36:05,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:36:05,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:36:05,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:36:05,198 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:36:05,199 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:36:05,199 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:36:05,199 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:36:05,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:36:05,200 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:36:05,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:36:05,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:36:05,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:36:05,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:36:05,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:36:05,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:36:05,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:36:05,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:36:05,202 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:36:05,202 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:36:05,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:36:05,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:36:05,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:36:05,203 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_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 [2021-11-07 01:36:05,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:36:05,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:36:05,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:36:05,636 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:36:05,637 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:36:05,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2021-11-07 01:36:05,705 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/data/c1e7373c3/fc30c9808e514496903a0707d0a1d304/FLAGb949db781 [2021-11-07 01:36:06,261 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:36:06,262 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2021-11-07 01:36:06,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/data/c1e7373c3/fc30c9808e514496903a0707d0a1d304/FLAGb949db781 [2021-11-07 01:36:06,558 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/data/c1e7373c3/fc30c9808e514496903a0707d0a1d304 [2021-11-07 01:36:06,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:36:06,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:36:06,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:36:06,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:36:06,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:36:06,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:06" (1/1) ... [2021-11-07 01:36:06,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fa0c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:06, skipping insertion in model container [2021-11-07 01:36:06,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:06" (1/1) ... [2021-11-07 01:36:06,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:36:06,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:36:06,841 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_3cdee32f-aaea-4e23-a479-db3bddbc27e1/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c[2807,2820] [2021-11-07 01:36:06,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:07,011 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:36:07,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:36:07,060 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_3cdee32f-aaea-4e23-a479-db3bddbc27e1/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c[2807,2820] [2021-11-07 01:36:07,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:07,139 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:36:07,158 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_3cdee32f-aaea-4e23-a479-db3bddbc27e1/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c[2807,2820] [2021-11-07 01:36:07,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:07,222 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:36:07,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:07 WrapperNode [2021-11-07 01:36:07,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:36:07,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:36:07,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:36:07,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:36:07,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:07" (1/1) ... [2021-11-07 01:36:07,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:07" (1/1) ... [2021-11-07 01:36:07,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:36:07,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:36:07,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:36:07,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:36:07,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:07" (1/1) ... [2021-11-07 01:36:07,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:07" (1/1) ... [2021-11-07 01:36:07,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:07" (1/1) ... [2021-11-07 01:36:07,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:07" (1/1) ... [2021-11-07 01:36:07,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:07" (1/1) ... [2021-11-07 01:36:07,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:07" (1/1) ... [2021-11-07 01:36:07,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:07" (1/1) ... [2021-11-07 01:36:07,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:36:07,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:36:07,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:36:07,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:36:07,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:07" (1/1) ... [2021-11-07 01:36:07,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:36:07,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:07,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:36:07,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:36:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:36:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:36:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:36:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:36:09,531 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:36:09,532 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-11-07 01:36:09,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:09 BoogieIcfgContainer [2021-11-07 01:36:09,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:36:09,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:36:09,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:36:09,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:36:09,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:36:06" (1/3) ... [2021-11-07 01:36:09,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec31986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:36:09, skipping insertion in model container [2021-11-07 01:36:09,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:07" (2/3) ... [2021-11-07 01:36:09,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec31986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:36:09, skipping insertion in model container [2021-11-07 01:36:09,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:09" (3/3) ... [2021-11-07 01:36:09,543 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2021-11-07 01:36:09,549 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:36:09,549 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:36:09,598 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:36:09,604 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:36:09,605 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:36:09,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 69 states have (on average 1.5797101449275361) internal successors, (109), 72 states have internal predecessors, (109), 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) [2021-11-07 01:36:09,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:36:09,626 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:09,627 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:09,628 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:09,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:09,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1295986076, now seen corresponding path program 1 times [2021-11-07 01:36:09,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:36:09,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80938168] [2021-11-07 01:36:09,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:09,649 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:36:09,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:36:09,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:36:09,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:36:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:09,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:36:09,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:09,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:09,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:10,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:10,062 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:36:10,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80938168] [2021-11-07 01:36:10,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [80938168] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:36:10,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:36:10,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:36:10,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587125841] [2021-11-07 01:36:10,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:36:10,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:36:10,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:36:10,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:36:10,091 INFO L87 Difference]: Start difference. First operand has 73 states, 69 states have (on average 1.5797101449275361) internal successors, (109), 72 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:10,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:10,130 INFO L93 Difference]: Finished difference Result 139 states and 210 transitions. [2021-11-07 01:36:10,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:36:10,131 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 01:36:10,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:10,142 INFO L225 Difference]: With dead ends: 139 [2021-11-07 01:36:10,143 INFO L226 Difference]: Without dead ends: 69 [2021-11-07 01:36:10,146 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:36:10,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-07 01:36:10,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-11-07 01:36:10,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 68 states have internal predecessors, (97), 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) [2021-11-07 01:36:10,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2021-11-07 01:36:10,196 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2021-11-07 01:36:10,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:10,197 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-11-07 01:36:10,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:10,197 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2021-11-07 01:36:10,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:36:10,199 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:10,199 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:10,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 01:36:10,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:36:10,412 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:10,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:10,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1514822045, now seen corresponding path program 1 times [2021-11-07 01:36:10,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:36:10,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361160186] [2021-11-07 01:36:10,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:10,419 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:36:10,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:36:10,422 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:36:10,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:36:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:10,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:36:10,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:10,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:10,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:10,773 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:36:10,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361160186] [2021-11-07 01:36:10,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [361160186] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:36:10,774 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:36:10,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:36:10,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764923080] [2021-11-07 01:36:10,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:36:10,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:36:10,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:36:10,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:36:10,777 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:10,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:10,790 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2021-11-07 01:36:10,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:36:10,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 01:36:10,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:10,791 INFO L225 Difference]: With dead ends: 69 [2021-11-07 01:36:10,791 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:36:10,792 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:36:10,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:36:10,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:36:10,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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) [2021-11-07 01:36:10,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-11-07 01:36:10,797 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2021-11-07 01:36:10,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:10,798 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-11-07 01:36:10,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:10,798 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-11-07 01:36:10,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:36:10,799 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:10,799 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:10,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:11,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:36:11,013 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:11,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:11,014 INFO L85 PathProgramCache]: Analyzing trace with hash 2139510839, now seen corresponding path program 1 times [2021-11-07 01:36:11,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:36:11,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261180979] [2021-11-07 01:36:11,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:11,015 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:36:11,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:36:11,016 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:36:11,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:36:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:11,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:36:11,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:11,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:11,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:11,407 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:36:11,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261180979] [2021-11-07 01:36:11,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [261180979] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:36:11,408 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:36:11,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:36:11,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351977959] [2021-11-07 01:36:11,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:36:11,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:36:11,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:36:11,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:36:11,414 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-11-07 01:36:11,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:11,448 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2021-11-07 01:36:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:36:11,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 [2021-11-07 01:36:11,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:11,451 INFO L225 Difference]: With dead ends: 59 [2021-11-07 01:36:11,451 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:36:11,452 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:36:11,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:36:11,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:36:11,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 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) [2021-11-07 01:36:11,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-11-07 01:36:11,457 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2021-11-07 01:36:11,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:11,458 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-11-07 01:36:11,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-11-07 01:36:11,458 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-11-07 01:36:11,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:36:11,459 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:11,459 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:11,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:11,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:36:11,660 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:11,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:11,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1832014585, now seen corresponding path program 1 times [2021-11-07 01:36:11,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:36:11,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066195336] [2021-11-07 01:36:11,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:11,662 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:36:11,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:36:11,663 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:36:11,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:36:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:11,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:36:11,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:11,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:11,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:12,082 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:36:12,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2066195336] [2021-11-07 01:36:12,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2066195336] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:36:12,082 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:36:12,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:36:12,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896141829] [2021-11-07 01:36:12,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:36:12,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:36:12,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:36:12,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:36:12,084 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 5 states, 5 states have (on average 5.0) 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) [2021-11-07 01:36:12,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:12,187 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2021-11-07 01:36:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:36:12,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) 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 25 [2021-11-07 01:36:12,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:12,189 INFO L225 Difference]: With dead ends: 135 [2021-11-07 01:36:12,189 INFO L226 Difference]: Without dead ends: 109 [2021-11-07 01:36:12,190 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:36:12,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-07 01:36:12,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2021-11-07 01:36:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 53 states have internal predecessors, (75), 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) [2021-11-07 01:36:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2021-11-07 01:36:12,200 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2021-11-07 01:36:12,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:12,200 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2021-11-07 01:36:12,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) 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) [2021-11-07 01:36:12,201 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2021-11-07 01:36:12,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:36:12,202 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:12,202 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:12,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:12,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:36:12,414 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:12,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:12,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1937784689, now seen corresponding path program 1 times [2021-11-07 01:36:12,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:36:12,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506843388] [2021-11-07 01:36:12,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:12,416 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:36:12,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:36:12,417 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:36:12,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:36:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:12,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:36:12,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:12,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:12,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:12,777 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:36:12,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506843388] [2021-11-07 01:36:12,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [506843388] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:36:12,781 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:36:12,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:36:12,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066915319] [2021-11-07 01:36:12,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:36:12,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:36:12,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:36:12,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:36:12,783 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-11-07 01:36:12,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:12,889 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2021-11-07 01:36:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:36:12,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 26 [2021-11-07 01:36:12,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:12,891 INFO L225 Difference]: With dead ends: 146 [2021-11-07 01:36:12,891 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:36:12,894 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:36:12,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:36:12,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:36:12,895 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) [2021-11-07 01:36:12,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:36:12,896 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-11-07 01:36:12,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:12,896 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:36:12,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-11-07 01:36:12,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:36:12,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:36:12,900 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:36:12,900 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:36:12,901 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:36:12,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:13,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:36:13,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:36:13,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,498 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2021-11-07 01:36:13,498 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:36:13,498 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-11-07 01:36:13,498 INFO L857 garLoopResultBuilder]: For program point L731(lines 731 744) no Hoare annotation was computed. [2021-11-07 01:36:13,498 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 319) no Hoare annotation was computed. [2021-11-07 01:36:13,499 INFO L853 garLoopResultBuilder]: At program point L302-1(lines 1 916) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:13,499 INFO L857 garLoopResultBuilder]: For program point L302-2(lines 302 319) no Hoare annotation was computed. [2021-11-07 01:36:13,499 INFO L853 garLoopResultBuilder]: At program point L302-3(lines 1 916) the Hoare annotation is: false [2021-11-07 01:36:13,499 INFO L853 garLoopResultBuilder]: At program point L170(lines 1 916) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:13,499 INFO L857 garLoopResultBuilder]: For program point L302-4(lines 302 319) no Hoare annotation was computed. [2021-11-07 01:36:13,499 INFO L853 garLoopResultBuilder]: At program point L302-5(lines 1 916) the Hoare annotation is: false [2021-11-07 01:36:13,499 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 277) no Hoare annotation was computed. [2021-11-07 01:36:13,500 INFO L853 garLoopResultBuilder]: At program point L749(lines 700 750) the Hoare annotation is: false [2021-11-07 01:36:13,500 INFO L860 garLoopResultBuilder]: At program point L270-1(lines 270 277) the Hoare annotation is: true [2021-11-07 01:36:13,500 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 816) no Hoare annotation was computed. [2021-11-07 01:36:13,500 INFO L857 garLoopResultBuilder]: For program point L799-1(lines 799 816) no Hoare annotation was computed. [2021-11-07 01:36:13,500 INFO L857 garLoopResultBuilder]: For program point L799-2(lines 799 816) no Hoare annotation was computed. [2021-11-07 01:36:13,500 INFO L853 garLoopResultBuilder]: At program point L767(lines 766 785) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:13,500 INFO L857 garLoopResultBuilder]: For program point L767-1(lines 767 773) no Hoare annotation was computed. [2021-11-07 01:36:13,500 INFO L853 garLoopResultBuilder]: At program point L767-2(lines 766 785) the Hoare annotation is: false [2021-11-07 01:36:13,501 INFO L853 garLoopResultBuilder]: At program point L767-3(lines 766 785) the Hoare annotation is: false [2021-11-07 01:36:13,501 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-07 01:36:13,501 INFO L857 garLoopResultBuilder]: For program point L140-1(line 140) no Hoare annotation was computed. [2021-11-07 01:36:13,501 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 78) no Hoare annotation was computed. [2021-11-07 01:36:13,501 INFO L857 garLoopResultBuilder]: For program point L140-2(line 140) no Hoare annotation was computed. [2021-11-07 01:36:13,501 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:36:13,501 INFO L857 garLoopResultBuilder]: For program point L702(lines 701 748) no Hoare annotation was computed. [2021-11-07 01:36:13,501 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 316) no Hoare annotation was computed. [2021-11-07 01:36:13,502 INFO L857 garLoopResultBuilder]: For program point L306-2(lines 306 316) no Hoare annotation was computed. [2021-11-07 01:36:13,502 INFO L857 garLoopResultBuilder]: For program point L306-4(lines 306 316) no Hoare annotation was computed. [2021-11-07 01:36:13,502 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 707) no Hoare annotation was computed. [2021-11-07 01:36:13,502 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2021-11-07 01:36:13,502 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 313) no Hoare annotation was computed. [2021-11-07 01:36:13,502 INFO L857 garLoopResultBuilder]: For program point L307-2(lines 307 313) no Hoare annotation was computed. [2021-11-07 01:36:13,502 INFO L857 garLoopResultBuilder]: For program point L307-4(lines 307 313) no Hoare annotation was computed. [2021-11-07 01:36:13,503 INFO L853 garLoopResultBuilder]: At program point L869(lines 864 872) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:13,503 INFO L853 garLoopResultBuilder]: At program point L869-1(lines 864 872) the Hoare annotation is: false [2021-11-07 01:36:13,503 INFO L853 garLoopResultBuilder]: At program point L291(lines 286 293) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:13,503 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 811) no Hoare annotation was computed. [2021-11-07 01:36:13,503 INFO L853 garLoopResultBuilder]: At program point L869-2(lines 864 872) the Hoare annotation is: false [2021-11-07 01:36:13,503 INFO L857 garLoopResultBuilder]: For program point L803-1(lines 803 811) no Hoare annotation was computed. [2021-11-07 01:36:13,503 INFO L857 garLoopResultBuilder]: For program point L803-2(lines 803 811) no Hoare annotation was computed. [2021-11-07 01:36:13,503 INFO L857 garLoopResultBuilder]: For program point L721(lines 721 727) no Hoare annotation was computed. [2021-11-07 01:36:13,504 INFO L853 garLoopResultBuilder]: At program point L721-1(lines 721 727) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:13,504 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:36:13,504 INFO L857 garLoopResultBuilder]: For program point L739(lines 739 743) no Hoare annotation was computed. [2021-11-07 01:36:13,504 INFO L853 garLoopResultBuilder]: At program point L739-2(lines 767 773) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:13,504 INFO L857 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2021-11-07 01:36:13,504 INFO L857 garLoopResultBuilder]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2021-11-07 01:36:13,504 INFO L857 garLoopResultBuilder]: For program point L62-6(lines 62 66) no Hoare annotation was computed. [2021-11-07 01:36:13,505 INFO L853 garLoopResultBuilder]: At program point L244(lines 240 246) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:13,505 INFO L853 garLoopResultBuilder]: At program point L178(lines 173 181) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:13,505 INFO L853 garLoopResultBuilder]: At program point L195-2(lines 195 209) the Hoare annotation is: false [2021-11-07 01:36:13,505 INFO L853 garLoopResultBuilder]: At program point L774(lines 774 780) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:13,505 INFO L853 garLoopResultBuilder]: At program point L774-1(lines 774 780) the Hoare annotation is: false [2021-11-07 01:36:13,505 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-11-07 01:36:13,505 INFO L853 garLoopResultBuilder]: At program point L774-2(lines 774 780) the Hoare annotation is: false [2021-11-07 01:36:13,506 INFO L860 garLoopResultBuilder]: At program point L279(lines 260 282) the Hoare annotation is: true [2021-11-07 01:36:13,506 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:36:13,506 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2021-11-07 01:36:13,506 INFO L853 garLoopResultBuilder]: At program point L99(lines 94 102) the Hoare annotation is: false [2021-11-07 01:36:13,506 INFO L853 garLoopResultBuilder]: At program point L99-1(lines 94 102) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:13,506 INFO L853 garLoopResultBuilder]: At program point L99-2(lines 94 102) the Hoare annotation is: false [2021-11-07 01:36:13,506 INFO L853 garLoopResultBuilder]: At program point L99-3(lines 94 102) the Hoare annotation is: false [2021-11-07 01:36:13,506 INFO L853 garLoopResultBuilder]: At program point L99-4(lines 94 102) the Hoare annotation is: false [2021-11-07 01:36:13,507 INFO L853 garLoopResultBuilder]: At program point L99-5(lines 94 102) the Hoare annotation is: false [2021-11-07 01:36:13,507 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2021-11-07 01:36:13,507 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 203) no Hoare annotation was computed. [2021-11-07 01:36:13,507 INFO L853 garLoopResultBuilder]: At program point L711-1(lines 711 717) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:13,507 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 767 773) no Hoare annotation was computed. [2021-11-07 01:36:13,507 INFO L853 garLoopResultBuilder]: At program point L860(lines 853 863) the Hoare annotation is: false [2021-11-07 01:36:13,507 INFO L853 garLoopResultBuilder]: At program point L860-1(lines 853 863) the Hoare annotation is: false [2021-11-07 01:36:13,508 INFO L853 garLoopResultBuilder]: At program point L860-2(lines 853 863) the Hoare annotation is: false [2021-11-07 01:36:13,516 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 01:36:13,517 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:36:13,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:36:13 BoogieIcfgContainer [2021-11-07 01:36:13,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:36:13,551 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:36:13,551 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:36:13,551 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:36:13,551 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:09" (3/4) ... [2021-11-07 01:36:13,554 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:36:13,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:36:13,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:36:13,576 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:36:13,576 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:36:13,577 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:36:13,578 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:36:13,578 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:36:13,618 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:36:13,670 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:36:13,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:36:13,671 INFO L168 Benchmark]: Toolchain (without parser) took 7108.49 ms. Allocated memory was 77.6 MB in the beginning and 111.1 MB in the end (delta: 33.6 MB). Free memory was 42.5 MB in the beginning and 69.1 MB in the end (delta: -26.5 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:13,672 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 77.6 MB. Free memory was 59.8 MB in the beginning and 59.8 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:36:13,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.67 ms. Allocated memory is still 77.6 MB. Free memory was 42.4 MB in the beginning and 49.8 MB in the end (delta: -7.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:13,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.21 ms. Allocated memory is still 77.6 MB. Free memory was 49.8 MB in the beginning and 46.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:13,673 INFO L168 Benchmark]: Boogie Preprocessor took 54.64 ms. Allocated memory is still 77.6 MB. Free memory was 46.9 MB in the beginning and 44.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:13,674 INFO L168 Benchmark]: RCFGBuilder took 2181.29 ms. Allocated memory was 77.6 MB in the beginning and 111.1 MB in the end (delta: 33.6 MB). Free memory was 44.6 MB in the beginning and 86.3 MB in the end (delta: -41.7 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:13,674 INFO L168 Benchmark]: TraceAbstraction took 4013.99 ms. Allocated memory is still 111.1 MB. Free memory was 85.8 MB in the beginning and 75.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 43.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:13,674 INFO L168 Benchmark]: Witness Printer took 119.16 ms. Allocated memory is still 111.1 MB. Free memory was 75.4 MB in the beginning and 69.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:13,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 77.6 MB. Free memory was 59.8 MB in the beginning and 59.8 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 659.67 ms. Allocated memory is still 77.6 MB. Free memory was 42.4 MB in the beginning and 49.8 MB in the end (delta: -7.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.21 ms. Allocated memory is still 77.6 MB. Free memory was 49.8 MB in the beginning and 46.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.64 ms. Allocated memory is still 77.6 MB. Free memory was 46.9 MB in the beginning and 44.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2181.29 ms. Allocated memory was 77.6 MB in the beginning and 111.1 MB in the end (delta: 33.6 MB). Free memory was 44.6 MB in the beginning and 86.3 MB in the end (delta: -41.7 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4013.99 ms. Allocated memory is still 111.1 MB. Free memory was 85.8 MB in the beginning and 75.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 43.5 MB. Max. memory is 16.1 GB. * Witness Printer took 119.16 ms. Allocated memory is still 111.1 MB. Free memory was 75.4 MB in the beginning and 69.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 140]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 140]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 140]: 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, 73 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 303 SDtfs, 326 SDslu, 261 SDs, 0 SdLazy, 57 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 143 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1334 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 SizeOfPredicates, 7 NumberOfNonLiveVariables, 991 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: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-11-07 01:36:13,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cdee32f-aaea-4e23-a479-db3bddbc27e1/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE