./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG --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 7fffab71bdab4f0e8e57248febe72260063a133a0cb2741fe9829d7065610e52 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG --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 7fffab71bdab4f0e8e57248febe72260063a133a0cb2741fe9829d7065610e52 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:12:20,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:12:20,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:12:20,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:12:20,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:12:20,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:12:20,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:12:20,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:12:20,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:12:20,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:12:20,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:12:20,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:12:20,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:12:20,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:12:20,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:12:20,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:12:20,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:12:20,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:12:20,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:12:20,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:12:20,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:12:20,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:12:20,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:12:20,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:12:20,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:12:20,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:12:20,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:12:20,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:12:20,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:12:20,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:12:20,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:12:20,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:12:20,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:12:20,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:12:20,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:12:20,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:12:20,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:12:20,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:12:20,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:12:20,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:12:20,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:12:20,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:12:20,245 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:12:20,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:12:20,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:12:20,247 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:12:20,247 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:12:20,247 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:12:20,247 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:12:20,248 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:12:20,248 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:12:20,248 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:12:20,248 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:12:20,249 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:12:20,249 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:12:20,249 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:12:20,249 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:12:20,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:12:20,250 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:12:20,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:12:20,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:12:20,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:12:20,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:12:20,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:12:20,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:12:20,252 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:12:20,252 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:12:20,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:12:20,252 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:12:20,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:12:20,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:12:20,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:12:20,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:12:20,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:12:20,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:12:20,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:12:20,254 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:12:20,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:12:20,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:12:20,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:12:20,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:12:20,255 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_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fffab71bdab4f0e8e57248febe72260063a133a0cb2741fe9829d7065610e52 [2021-10-29 05:12:20,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:12:20,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:12:20,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:12:20,522 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:12:20,523 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:12:20,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2021-10-29 05:12:20,605 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/data/dd7e2556d/5f3d4e5e791a48208092bfa86622e1de/FLAG7c10a5755 [2021-10-29 05:12:21,131 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:12:21,132 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2021-10-29 05:12:21,148 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/data/dd7e2556d/5f3d4e5e791a48208092bfa86622e1de/FLAG7c10a5755 [2021-10-29 05:12:21,458 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/data/dd7e2556d/5f3d4e5e791a48208092bfa86622e1de [2021-10-29 05:12:21,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:12:21,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:12:21,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:12:21,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:12:21,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:12:21,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:12:21" (1/1) ... [2021-10-29 05:12:21,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d840be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:21, skipping insertion in model container [2021-10-29 05:12:21,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:12:21" (1/1) ... [2021-10-29 05:12:21,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:12:21,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:12:21,799 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_b6b595ec-b353-424a-ab43-db4daa938e7a/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18328,18341] [2021-10-29 05:12:21,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:12:21,812 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 05:12:21,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60b96d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:21, skipping insertion in model container [2021-10-29 05:12:21,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:12:21,814 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:12:21,816 INFO L168 Benchmark]: Toolchain (without parser) took 352.80 ms. Allocated memory is still 119.5 MB. Free memory was 83.7 MB in the beginning and 91.9 MB in the end (delta: -8.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:12:21,816 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory was 53.4 MB in the beginning and 53.4 MB in the end (delta: 32.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:12:21,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.30 ms. Allocated memory is still 119.5 MB. Free memory was 83.5 MB in the beginning and 91.9 MB in the end (delta: -8.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:12:21,819 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 81.8 MB. Free memory was 53.4 MB in the beginning and 53.4 MB in the end (delta: 32.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 349.30 ms. Allocated memory is still 119.5 MB. Free memory was 83.5 MB in the beginning and 91.9 MB in the end (delta: -8.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 217]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:12:23,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:12:23,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:12:23,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:12:23,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:12:23,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:12:24,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:12:24,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:12:24,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:12:24,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:12:24,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:12:24,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:12:24,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:12:24,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:12:24,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:12:24,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:12:24,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:12:24,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:12:24,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:12:24,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:12:24,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:12:24,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:12:24,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:12:24,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:12:24,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:12:24,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:12:24,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:12:24,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:12:24,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:12:24,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:12:24,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:12:24,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:12:24,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:12:24,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:12:24,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:12:24,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:12:24,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:12:24,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:12:24,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:12:24,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:12:24,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:12:24,078 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:12:24,119 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:12:24,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:12:24,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:12:24,121 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:12:24,121 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:12:24,121 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:12:24,121 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:12:24,122 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:12:24,122 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:12:24,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:12:24,124 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:12:24,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:12:24,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:12:24,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:12:24,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:12:24,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:12:24,126 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:12:24,126 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:12:24,126 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:12:24,126 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:12:24,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:12:24,127 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:12:24,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:12:24,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:12:24,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:12:24,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:12:24,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:12:24,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:12:24,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:12:24,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:12:24,129 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:12:24,129 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:12:24,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:12:24,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:12:24,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:12:24,130 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_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fffab71bdab4f0e8e57248febe72260063a133a0cb2741fe9829d7065610e52 [2021-10-29 05:12:24,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:12:24,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:12:24,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:12:24,504 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:12:24,505 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:12:24,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2021-10-29 05:12:24,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/data/1f756fa8c/491b084130164f809b8ae33d253d4aa8/FLAG90f9f9738 [2021-10-29 05:12:25,190 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:12:25,190 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2021-10-29 05:12:25,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/data/1f756fa8c/491b084130164f809b8ae33d253d4aa8/FLAG90f9f9738 [2021-10-29 05:12:25,474 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/data/1f756fa8c/491b084130164f809b8ae33d253d4aa8 [2021-10-29 05:12:25,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:12:25,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:12:25,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:12:25,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:12:25,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:12:25,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:12:25" (1/1) ... [2021-10-29 05:12:25,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2c1d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:25, skipping insertion in model container [2021-10-29 05:12:25,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:12:25" (1/1) ... [2021-10-29 05:12:25,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:12:25,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:12:25,932 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_b6b595ec-b353-424a-ab43-db4daa938e7a/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18328,18341] [2021-10-29 05:12:25,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:12:25,958 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:12:25,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:12:26,063 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_b6b595ec-b353-424a-ab43-db4daa938e7a/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18328,18341] [2021-10-29 05:12:26,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:12:26,068 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:12:26,118 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_b6b595ec-b353-424a-ab43-db4daa938e7a/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18328,18341] [2021-10-29 05:12:26,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:12:26,138 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:12:26,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:26 WrapperNode [2021-10-29 05:12:26,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:12:26,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:12:26,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:12:26,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:12:26,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:26" (1/1) ... [2021-10-29 05:12:26,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:26" (1/1) ... [2021-10-29 05:12:26,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:12:26,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:12:26,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:12:26,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:12:26,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:26" (1/1) ... [2021-10-29 05:12:26,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:26" (1/1) ... [2021-10-29 05:12:26,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:26" (1/1) ... [2021-10-29 05:12:26,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:26" (1/1) ... [2021-10-29 05:12:26,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:26" (1/1) ... [2021-10-29 05:12:26,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:26" (1/1) ... [2021-10-29 05:12:26,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:26" (1/1) ... [2021-10-29 05:12:26,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:12:26,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:12:26,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:12:26,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:12:26,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:26" (1/1) ... [2021-10-29 05:12:26,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:12:26,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:12:26,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:12:26,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:12:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:12:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:12:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:12:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:12:28,662 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:12:28,664 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-29 05:12:28,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:12:28 BoogieIcfgContainer [2021-10-29 05:12:28,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:12:28,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:12:28,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:12:28,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:12:28,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:12:25" (1/3) ... [2021-10-29 05:12:28,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13aecc7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:12:28, skipping insertion in model container [2021-10-29 05:12:28,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:26" (2/3) ... [2021-10-29 05:12:28,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13aecc7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:12:28, skipping insertion in model container [2021-10-29 05:12:28,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:12:28" (3/3) ... [2021-10-29 05:12:28,677 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2021-10-29 05:12:28,682 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:12:28,683 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:12:28,732 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:12:28,739 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 [2021-10-29 05:12:28,739 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:12:28,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:28,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 05:12:28,805 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:12:28,805 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:12:28,806 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:12:28,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:12:28,812 INFO L85 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2021-10-29 05:12:28,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:12:28,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055836409] [2021-10-29 05:12:28,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:12:28,826 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:12:28,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:12:28,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:12:28,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:12:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:12:29,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:12:29,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:12:29,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:12:29,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:12:29,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:12:29,135 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:12:29,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055836409] [2021-10-29 05:12:29,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055836409] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:12:29,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:12:29,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:12:29,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482723374] [2021-10-29 05:12:29,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:12:29,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:12:29,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:12:29,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:12:29,158 INFO L87 Difference]: Start difference. First operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:29,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:12:29,185 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2021-10-29 05:12:29,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:12:29,187 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-29 05:12:29,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:12:29,196 INFO L225 Difference]: With dead ends: 208 [2021-10-29 05:12:29,197 INFO L226 Difference]: Without dead ends: 103 [2021-10-29 05:12:29,200 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:12:29,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-29 05:12:29,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-10-29 05:12:29,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 100 states have (on average 1.47) internal successors, (147), 102 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2021-10-29 05:12:29,239 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2021-10-29 05:12:29,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:12:29,240 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2021-10-29 05:12:29,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:29,241 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2021-10-29 05:12:29,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 05:12:29,242 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:12:29,242 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:12:29,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:12:29,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:12:29,456 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:12:29,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:12:29,460 INFO L85 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2021-10-29 05:12:29,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:12:29,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [149423084] [2021-10-29 05:12:29,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:12:29,461 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:12:29,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:12:29,463 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:12:29,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:12:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:12:29,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:12:29,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:12:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:12:29,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:12:29,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:12:29,798 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:12:29,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [149423084] [2021-10-29 05:12:29,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [149423084] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:12:29,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:12:29,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:12:29,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6313883] [2021-10-29 05:12:29,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:12:29,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:12:29,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:12:29,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:12:29,802 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:29,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:12:29,817 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2021-10-29 05:12:29,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:12:29,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-29 05:12:29,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:12:29,819 INFO L225 Difference]: With dead ends: 103 [2021-10-29 05:12:29,819 INFO L226 Difference]: Without dead ends: 45 [2021-10-29 05:12:29,820 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:12:29,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-29 05:12:29,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-29 05:12:29,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:29,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-29 05:12:29,826 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2021-10-29 05:12:29,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:12:29,827 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-29 05:12:29,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:29,827 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-29 05:12:29,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 05:12:29,837 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:12:29,838 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] [2021-10-29 05:12:29,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:12:30,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:12:30,039 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:12:30,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:12:30,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2021-10-29 05:12:30,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:12:30,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [335709248] [2021-10-29 05:12:30,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:12:30,040 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:12:30,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:12:30,042 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:12:30,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:12:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:12:30,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:12:30,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:12:30,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:12:30,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:12:30,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:12:30,470 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:12:30,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [335709248] [2021-10-29 05:12:30,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [335709248] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:12:30,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:12:30,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:12:30,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442471395] [2021-10-29 05:12:30,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:12:30,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:12:30,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:12:30,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:12:30,473 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:30,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:12:30,520 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2021-10-29 05:12:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:12:30,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-29 05:12:30,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:12:30,522 INFO L225 Difference]: With dead ends: 146 [2021-10-29 05:12:30,524 INFO L226 Difference]: Without dead ends: 107 [2021-10-29 05:12:30,525 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:12:30,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-29 05:12:30,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2021-10-29 05:12:30,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 63 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:30,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2021-10-29 05:12:30,544 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2021-10-29 05:12:30,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:12:30,544 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2021-10-29 05:12:30,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:30,546 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2021-10-29 05:12:30,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:12:30,548 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:12:30,548 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] [2021-10-29 05:12:30,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:12:30,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:12:30,763 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:12:30,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:12:30,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2021-10-29 05:12:30,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:12:30,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1219792727] [2021-10-29 05:12:30,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:12:30,765 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:12:30,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:12:30,766 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:12:30,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:12:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:12:31,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:12:31,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:12:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:12:31,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:12:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:12:31,246 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:12:31,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1219792727] [2021-10-29 05:12:31,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1219792727] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:12:31,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:12:31,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:12:31,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822036763] [2021-10-29 05:12:31,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:12:31,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:12:31,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:12:31,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:12:31,250 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 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) [2021-10-29 05:12:31,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:12:31,573 INFO L93 Difference]: Finished difference Result 483 states and 740 transitions. [2021-10-29 05:12:31,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 05:12:31,573 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 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) Word has length 24 [2021-10-29 05:12:31,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:12:31,580 INFO L225 Difference]: With dead ends: 483 [2021-10-29 05:12:31,581 INFO L226 Difference]: Without dead ends: 425 [2021-10-29 05:12:31,585 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-29 05:12:31,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-10-29 05:12:31,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 166. [2021-10-29 05:12:31,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.4606060606060607) internal successors, (241), 165 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:31,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 241 transitions. [2021-10-29 05:12:31,635 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 241 transitions. Word has length 24 [2021-10-29 05:12:31,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:12:31,636 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 241 transitions. [2021-10-29 05:12:31,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 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) [2021-10-29 05:12:31,636 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2021-10-29 05:12:31,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 05:12:31,642 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:12:31,642 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] [2021-10-29 05:12:31,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:12:31,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:12:31,869 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:12:31,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:12:31,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1375176786, now seen corresponding path program 1 times [2021-10-29 05:12:31,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:12:31,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159975147] [2021-10-29 05:12:31,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:12:31,871 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:12:31,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:12:31,872 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:12:31,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:12:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:12:32,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:12:32,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:12:32,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:12:32,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:12:32,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:12:32,215 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:12:32,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159975147] [2021-10-29 05:12:32,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [159975147] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:12:32,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:12:32,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:12:32,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580167359] [2021-10-29 05:12:32,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:12:32,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:12:32,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:12:32,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:12:32,217 INFO L87 Difference]: Start difference. First operand 166 states and 241 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:33,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:12:33,353 INFO L93 Difference]: Finished difference Result 414 states and 606 transitions. [2021-10-29 05:12:33,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:12:33,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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 [2021-10-29 05:12:33,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:12:33,355 INFO L225 Difference]: With dead ends: 414 [2021-10-29 05:12:33,355 INFO L226 Difference]: Without dead ends: 254 [2021-10-29 05:12:33,356 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:12:33,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-10-29 05:12:33,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 252. [2021-10-29 05:12:33,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.4223107569721116) internal successors, (357), 251 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:33,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 357 transitions. [2021-10-29 05:12:33,392 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 357 transitions. Word has length 25 [2021-10-29 05:12:33,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:12:33,392 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 357 transitions. [2021-10-29 05:12:33,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:33,393 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 357 transitions. [2021-10-29 05:12:33,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:12:33,394 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:12:33,394 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] [2021-10-29 05:12:33,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:12:33,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:12:33,607 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:12:33,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:12:33,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1818191244, now seen corresponding path program 1 times [2021-10-29 05:12:33,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:12:33,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291946635] [2021-10-29 05:12:33,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:12:33,609 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:12:33,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:12:33,610 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:12:33,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:12:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:12:33,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:12:33,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:12:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:12:33,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:12:34,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:12:34,022 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:12:34,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291946635] [2021-10-29 05:12:34,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291946635] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:12:34,023 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:12:34,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:12:34,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395932336] [2021-10-29 05:12:34,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:12:34,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:12:34,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:12:34,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:12:34,027 INFO L87 Difference]: Start difference. First operand 252 states and 357 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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) [2021-10-29 05:12:34,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:12:34,049 INFO L93 Difference]: Finished difference Result 364 states and 522 transitions. [2021-10-29 05:12:34,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:12:34,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 [2021-10-29 05:12:34,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:12:34,051 INFO L225 Difference]: With dead ends: 364 [2021-10-29 05:12:34,051 INFO L226 Difference]: Without dead ends: 118 [2021-10-29 05:12:34,052 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:12:34,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-29 05:12:34,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-10-29 05:12:34,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.3333333333333333) internal successors, (156), 117 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:34,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 156 transitions. [2021-10-29 05:12:34,064 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 156 transitions. Word has length 26 [2021-10-29 05:12:34,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:12:34,064 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 156 transitions. [2021-10-29 05:12:34,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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) [2021-10-29 05:12:34,065 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2021-10-29 05:12:34,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 05:12:34,068 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:12:34,068 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:12:34,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:12:34,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:12:34,281 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:12:34,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:12:34,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1574439088, now seen corresponding path program 1 times [2021-10-29 05:12:34,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:12:34,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [50046061] [2021-10-29 05:12:34,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:12:34,283 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:12:34,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:12:34,284 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:12:34,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 05:12:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:12:34,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:12:34,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:12:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:12:34,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:12:34,806 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:12:34,807 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:12:34,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [50046061] [2021-10-29 05:12:34,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [50046061] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:12:34,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [301137145] [2021-10-29 05:12:34,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:12:34,807 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:12:34,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:12:34,809 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:12:34,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-29 05:12:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:12:35,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:12:35,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:12:35,219 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 05:12:35,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:12:35,303 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 05:12:35,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [301137145] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:12:35,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-29 05:12:35,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-29 05:12:35,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497892696] [2021-10-29 05:12:35,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:12:35,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:12:35,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:12:35,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:12:35,305 INFO L87 Difference]: Start difference. First operand 118 states and 156 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:35,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:12:35,414 INFO L93 Difference]: Finished difference Result 242 states and 328 transitions. [2021-10-29 05:12:35,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:12:35,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 40 [2021-10-29 05:12:35,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:12:35,416 INFO L225 Difference]: With dead ends: 242 [2021-10-29 05:12:35,416 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:12:35,416 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-29 05:12:35,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:12:35,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:12:35,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:35,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:12:35,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2021-10-29 05:12:35,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:12:35,418 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:12:35,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:12:35,418 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:12:35,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:12:35,421 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:12:35,421 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:12:35,422 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:12:35,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 05:12:35,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-29 05:12:35,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt [2021-10-29 05:12:35,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:12:35,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:35,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:35,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:35,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:35,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:35,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:35,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:35,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:35,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:35,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:35,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:12:36,270 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 962) no Hoare annotation was computed. [2021-10-29 05:12:36,271 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 702) no Hoare annotation was computed. [2021-10-29 05:12:36,271 INFO L853 garLoopResultBuilder]: At program point L696-1(lines 728 734) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:12:36,271 INFO L857 garLoopResultBuilder]: For program point L962(line 962) no Hoare annotation was computed. [2021-10-29 05:12:36,271 INFO L857 garLoopResultBuilder]: For program point L962-1(line 962) no Hoare annotation was computed. [2021-10-29 05:12:36,271 INFO L857 garLoopResultBuilder]: For program point L962-2(line 962) no Hoare annotation was computed. [2021-10-29 05:12:36,271 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 772) no Hoare annotation was computed. [2021-10-29 05:12:36,272 INFO L857 garLoopResultBuilder]: For program point L764-1(lines 764 772) no Hoare annotation was computed. [2021-10-29 05:12:36,272 INFO L857 garLoopResultBuilder]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2021-10-29 05:12:36,272 INFO L857 garLoopResultBuilder]: For program point L764-3(lines 764 772) no Hoare annotation was computed. [2021-10-29 05:12:36,272 INFO L857 garLoopResultBuilder]: For program point L764-4(lines 764 772) no Hoare annotation was computed. [2021-10-29 05:12:36,272 INFO L857 garLoopResultBuilder]: For program point L764-5(lines 764 772) no Hoare annotation was computed. [2021-10-29 05:12:36,272 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 570) no Hoare annotation was computed. [2021-10-29 05:12:36,272 INFO L857 garLoopResultBuilder]: For program point L566-3(lines 566 570) no Hoare annotation was computed. [2021-10-29 05:12:36,272 INFO L857 garLoopResultBuilder]: For program point L566-6(lines 566 570) no Hoare annotation was computed. [2021-10-29 05:12:36,273 INFO L853 garLoopResultBuilder]: At program point L635(lines 630 638) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:12:36,273 INFO L853 garLoopResultBuilder]: At program point L635-1(lines 630 638) the Hoare annotation is: false [2021-10-29 05:12:36,273 INFO L853 garLoopResultBuilder]: At program point L635-2(lines 630 638) the Hoare annotation is: false [2021-10-29 05:12:36,273 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-10-29 05:12:36,273 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-10-29 05:12:36,273 INFO L853 garLoopResultBuilder]: At program point L735(lines 735 741) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:12:36,274 INFO L853 garLoopResultBuilder]: At program point L735-1(lines 735 741) the Hoare annotation is: false [2021-10-29 05:12:36,274 INFO L853 garLoopResultBuilder]: At program point L735-2(lines 735 741) the Hoare annotation is: false [2021-10-29 05:12:36,274 INFO L853 garLoopResultBuilder]: At program point L603(lines 598 606) the Hoare annotation is: false [2021-10-29 05:12:36,274 INFO L853 garLoopResultBuilder]: At program point L603-1(lines 598 606) the Hoare annotation is: false [2021-10-29 05:12:36,274 INFO L853 garLoopResultBuilder]: At program point L603-2(lines 598 606) the Hoare annotation is: false [2021-10-29 05:12:36,274 INFO L857 garLoopResultBuilder]: For program point L670(lines 670 676) no Hoare annotation was computed. [2021-10-29 05:12:36,274 INFO L853 garLoopResultBuilder]: At program point L670-1(lines 670 676) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:12:36,275 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 962) no Hoare annotation was computed. [2021-10-29 05:12:36,275 INFO L853 garLoopResultBuilder]: At program point L176(lines 1 965) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:12:36,275 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 909) no Hoare annotation was computed. [2021-10-29 05:12:36,275 INFO L857 garLoopResultBuilder]: For program point L905-2(lines 905 909) no Hoare annotation was computed. [2021-10-29 05:12:36,275 INFO L857 garLoopResultBuilder]: For program point L905-3(lines 905 909) no Hoare annotation was computed. [2021-10-29 05:12:36,275 INFO L857 garLoopResultBuilder]: For program point L905-5(lines 905 909) no Hoare annotation was computed. [2021-10-29 05:12:36,275 INFO L857 garLoopResultBuilder]: For program point L905-6(lines 905 909) no Hoare annotation was computed. [2021-10-29 05:12:36,276 INFO L857 garLoopResultBuilder]: For program point L905-8(lines 905 909) no Hoare annotation was computed. [2021-10-29 05:12:36,276 INFO L857 garLoopResultBuilder]: For program point L905-9(lines 905 909) no Hoare annotation was computed. [2021-10-29 05:12:36,276 INFO L857 garLoopResultBuilder]: For program point L905-11(lines 905 909) no Hoare annotation was computed. [2021-10-29 05:12:36,276 INFO L857 garLoopResultBuilder]: For program point L905-12(lines 905 909) no Hoare annotation was computed. [2021-10-29 05:12:36,276 INFO L857 garLoopResultBuilder]: For program point L905-14(lines 905 909) no Hoare annotation was computed. [2021-10-29 05:12:36,276 INFO L857 garLoopResultBuilder]: For program point L905-15(lines 905 909) no Hoare annotation was computed. [2021-10-29 05:12:36,276 INFO L857 garLoopResultBuilder]: For program point L905-17(lines 905 909) no Hoare annotation was computed. [2021-10-29 05:12:36,277 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:12:36,278 INFO L853 garLoopResultBuilder]: At program point L708(lines 659 709) the Hoare annotation is: false [2021-10-29 05:12:36,278 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 953) no Hoare annotation was computed. [2021-10-29 05:12:36,278 INFO L853 garLoopResultBuilder]: At program point L940-1(lines 1 965) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:12:36,278 INFO L857 garLoopResultBuilder]: For program point L940-2(lines 940 953) no Hoare annotation was computed. [2021-10-29 05:12:36,278 INFO L853 garLoopResultBuilder]: At program point L940-3(lines 1 965) the Hoare annotation is: false [2021-10-29 05:12:36,279 INFO L857 garLoopResultBuilder]: For program point L940-4(lines 940 953) no Hoare annotation was computed. [2021-10-29 05:12:36,279 INFO L853 garLoopResultBuilder]: At program point L940-5(lines 1 965) the Hoare annotation is: false [2021-10-29 05:12:36,279 INFO L853 garLoopResultBuilder]: At program point L644(lines 639 647) the Hoare annotation is: false [2021-10-29 05:12:36,279 INFO L853 garLoopResultBuilder]: At program point L644-1(lines 639 647) the Hoare annotation is: false [2021-10-29 05:12:36,279 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 582) no Hoare annotation was computed. [2021-10-29 05:12:36,279 INFO L853 garLoopResultBuilder]: At program point L644-2(lines 639 647) the Hoare annotation is: false [2021-10-29 05:12:36,280 INFO L853 garLoopResultBuilder]: At program point L644-3(lines 639 647) the Hoare annotation is: false [2021-10-29 05:12:36,280 INFO L853 garLoopResultBuilder]: At program point L644-4(lines 639 647) the Hoare annotation is: false [2021-10-29 05:12:36,280 INFO L853 garLoopResultBuilder]: At program point L644-5(lines 639 647) the Hoare annotation is: false [2021-10-29 05:12:36,280 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-10-29 05:12:36,280 INFO L853 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:12:36,281 INFO L857 garLoopResultBuilder]: For program point L944(lines 944 950) no Hoare annotation was computed. [2021-10-29 05:12:36,281 INFO L853 garLoopResultBuilder]: At program point L911(lines 896 914) the Hoare annotation is: false [2021-10-29 05:12:36,281 INFO L853 garLoopResultBuilder]: At program point L911-1(lines 896 914) the Hoare annotation is: false [2021-10-29 05:12:36,281 INFO L857 garLoopResultBuilder]: For program point L944-2(lines 944 950) no Hoare annotation was computed. [2021-10-29 05:12:36,281 INFO L853 garLoopResultBuilder]: At program point L911-2(lines 896 914) the Hoare annotation is: false [2021-10-29 05:12:36,282 INFO L853 garLoopResultBuilder]: At program point L911-3(lines 896 914) the Hoare annotation is: false [2021-10-29 05:12:36,282 INFO L857 garLoopResultBuilder]: For program point L944-4(lines 944 950) no Hoare annotation was computed. [2021-10-29 05:12:36,282 INFO L853 garLoopResultBuilder]: At program point L911-4(lines 896 914) the Hoare annotation is: false [2021-10-29 05:12:36,282 INFO L853 garLoopResultBuilder]: At program point L911-5(lines 896 914) the Hoare annotation is: false [2021-10-29 05:12:36,282 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 686) no Hoare annotation was computed. [2021-10-29 05:12:36,283 INFO L853 garLoopResultBuilder]: At program point L680-1(lines 680 686) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:12:36,283 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:12:36,283 INFO L853 garLoopResultBuilder]: At program point L847(lines 840 850) the Hoare annotation is: false [2021-10-29 05:12:36,283 INFO L853 garLoopResultBuilder]: At program point L847-1(lines 840 850) the Hoare annotation is: false [2021-10-29 05:12:36,283 INFO L853 garLoopResultBuilder]: At program point L847-2(lines 840 850) the Hoare annotation is: false [2021-10-29 05:12:36,283 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:12:36,284 INFO L857 garLoopResultBuilder]: For program point L786(lines 786 803) no Hoare annotation was computed. [2021-10-29 05:12:36,284 INFO L857 garLoopResultBuilder]: For program point L786-1(lines 786 803) no Hoare annotation was computed. [2021-10-29 05:12:36,284 INFO L857 garLoopResultBuilder]: For program point L786-2(lines 786 803) no Hoare annotation was computed. [2021-10-29 05:12:36,284 INFO L857 garLoopResultBuilder]: For program point L919(lines 919 925) no Hoare annotation was computed. [2021-10-29 05:12:36,284 INFO L853 garLoopResultBuilder]: At program point L919-1(lines 919 925) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:12:36,285 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:12:36,285 INFO L857 garLoopResultBuilder]: For program point L590(lines 590 594) no Hoare annotation was computed. [2021-10-29 05:12:36,285 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-29 05:12:36,285 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 703) no Hoare annotation was computed. [2021-10-29 05:12:36,285 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-29 05:12:36,286 INFO L853 garLoopResultBuilder]: At program point L856(lines 851 859) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:12:36,286 INFO L853 garLoopResultBuilder]: At program point L856-1(lines 851 859) the Hoare annotation is: false [2021-10-29 05:12:36,286 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 798) no Hoare annotation was computed. [2021-10-29 05:12:36,286 INFO L853 garLoopResultBuilder]: At program point L856-2(lines 851 859) the Hoare annotation is: false [2021-10-29 05:12:36,286 INFO L857 garLoopResultBuilder]: For program point L790-1(lines 790 798) no Hoare annotation was computed. [2021-10-29 05:12:36,287 INFO L857 garLoopResultBuilder]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2021-10-29 05:12:36,287 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:12:36,287 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 962) no Hoare annotation was computed. [2021-10-29 05:12:36,287 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-29 05:12:36,287 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 728 734) no Hoare annotation was computed. [2021-10-29 05:12:36,288 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 777) no Hoare annotation was computed. [2021-10-29 05:12:36,288 INFO L857 garLoopResultBuilder]: For program point L760-1(lines 760 777) no Hoare annotation was computed. [2021-10-29 05:12:36,288 INFO L857 garLoopResultBuilder]: For program point L760-2(lines 760 777) no Hoare annotation was computed. [2021-10-29 05:12:36,288 INFO L857 garLoopResultBuilder]: For program point L661(lines 660 707) no Hoare annotation was computed. [2021-10-29 05:12:36,288 INFO L857 garLoopResultBuilder]: For program point L760-3(lines 760 777) no Hoare annotation was computed. [2021-10-29 05:12:36,288 INFO L857 garLoopResultBuilder]: For program point L760-4(lines 760 777) no Hoare annotation was computed. [2021-10-29 05:12:36,289 INFO L857 garLoopResultBuilder]: For program point L760-5(lines 760 777) no Hoare annotation was computed. [2021-10-29 05:12:36,289 INFO L853 garLoopResultBuilder]: At program point L728(lines 727 746) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:12:36,289 INFO L857 garLoopResultBuilder]: For program point L728-1(lines 728 734) no Hoare annotation was computed. [2021-10-29 05:12:36,289 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 666) no Hoare annotation was computed. [2021-10-29 05:12:36,289 INFO L853 garLoopResultBuilder]: At program point L728-2(lines 727 746) the Hoare annotation is: false [2021-10-29 05:12:36,290 INFO L853 garLoopResultBuilder]: At program point L728-3(lines 727 746) the Hoare annotation is: false [2021-10-29 05:12:36,293 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:12:36,294 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:12:36,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:12:36 BoogieIcfgContainer [2021-10-29 05:12:36,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:12:36,310 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:12:36,310 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:12:36,311 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:12:36,311 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:12:28" (3/4) ... [2021-10-29 05:12:36,314 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:12:36,330 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:12:36,331 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:12:36,332 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:12:36,333 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:12:36,334 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:12:36,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:12:36,336 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:12:36,363 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-29 05:12:36,406 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:12:36,406 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:12:36,408 INFO L168 Benchmark]: Toolchain (without parser) took 10928.80 ms. Allocated memory was 69.2 MB in the beginning and 125.8 MB in the end (delta: 56.6 MB). Free memory was 50.0 MB in the beginning and 76.1 MB in the end (delta: -26.2 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:12:36,408 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 69.2 MB. Free memory was 49.5 MB in the beginning and 49.5 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:12:36,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.78 ms. Allocated memory is still 69.2 MB. Free memory was 49.8 MB in the beginning and 37.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:12:36,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.01 ms. Allocated memory is still 69.2 MB. Free memory was 37.8 MB in the beginning and 34.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:12:36,409 INFO L168 Benchmark]: Boogie Preprocessor took 72.63 ms. Allocated memory is still 69.2 MB. Free memory was 34.1 MB in the beginning and 31.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:12:36,410 INFO L168 Benchmark]: RCFGBuilder took 2369.86 ms. Allocated memory was 69.2 MB in the beginning and 104.9 MB in the end (delta: 35.7 MB). Free memory was 31.6 MB in the beginning and 54.9 MB in the end (delta: -23.3 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:12:36,410 INFO L168 Benchmark]: TraceAbstraction took 7640.25 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 54.3 MB in the beginning and 84.7 MB in the end (delta: -30.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:12:36,410 INFO L168 Benchmark]: Witness Printer took 96.07 ms. Allocated memory is still 125.8 MB. Free memory was 84.7 MB in the beginning and 76.1 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:12:36,413 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 69.2 MB. Free memory was 49.5 MB in the beginning and 49.5 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 659.78 ms. Allocated memory is still 69.2 MB. Free memory was 49.8 MB in the beginning and 37.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.01 ms. Allocated memory is still 69.2 MB. Free memory was 37.8 MB in the beginning and 34.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.63 ms. Allocated memory is still 69.2 MB. Free memory was 34.1 MB in the beginning and 31.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2369.86 ms. Allocated memory was 69.2 MB in the beginning and 104.9 MB in the end (delta: 35.7 MB). Free memory was 31.6 MB in the beginning and 54.9 MB in the end (delta: -23.3 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7640.25 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 54.3 MB in the beginning and 84.7 MB in the end (delta: -30.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. * Witness Printer took 96.07 ms. Allocated memory is still 125.8 MB. Free memory was 84.7 MB in the beginning and 76.1 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 962]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 962]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 962]: 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, 107 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 545 SDtfs, 993 SDslu, 811 SDs, 0 SdLazy, 153 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 416 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=5, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 304 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 147 NumberOfFragments, 128 HoareAnnotationTreeSize, 44 FomulaSimplifications, 5768 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 404 ConstructedInterpolants, 0 QuantifiedInterpolants, 844 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1614 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 46/56 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: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:12:36,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b595ec-b353-424a-ab43-db4daa938e7a/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...