./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE --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 5b8d1d7ceb68ac6e6630901277fde5f28b3f6a5d2baa824d9bcd68a03d4bbbff ............................................................................................................................................ 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_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE --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 5b8d1d7ceb68ac6e6630901277fde5f28b3f6a5d2baa824d9bcd68a03d4bbbff ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:05:04,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:05:04,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:05:04,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:05:04,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:05:04,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:05:04,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:05:04,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:05:04,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:05:04,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:05:04,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:05:04,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:05:04,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:05:04,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:05:04,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:05:04,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:05:04,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:05:04,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:05:04,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:05:04,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:05:04,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:05:04,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:05:04,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:05:04,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:05:04,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:05:04,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:05:04,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:05:04,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:05:04,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:05:04,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:05:04,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:05:04,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:05:04,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:05:04,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:05:04,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:05:04,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:05:04,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:05:04,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:05:04,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:05:04,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:05:04,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:05:04,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:05:04,247 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:05:04,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:05:04,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:05:04,250 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:05:04,250 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:05:04,250 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:05:04,250 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:05:04,251 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:05:04,257 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:05:04,257 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:05:04,258 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:05:04,259 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:05:04,259 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:05:04,259 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:05:04,259 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:05:04,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:05:04,261 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:05:04,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:05:04,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:05:04,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:05:04,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:05:04,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:05:04,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:05:04,262 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:05:04,262 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:05:04,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:05:04,263 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:05:04,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:05:04,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:05:04,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:05:04,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:05:04,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:05:04,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:05:04,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:05:04,267 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:05:04,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:05:04,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:05:04,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:05:04,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:05:04,268 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_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b8d1d7ceb68ac6e6630901277fde5f28b3f6a5d2baa824d9bcd68a03d4bbbff [2021-10-24 10:05:04,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:05:04,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:05:04,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:05:04,583 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:05:04,584 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:05:04,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2021-10-24 10:05:04,683 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/data/532ff07c8/9c67156a486f48f080ab3591924f9703/FLAGe9ae4eca9 [2021-10-24 10:05:05,219 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:05:05,220 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2021-10-24 10:05:05,243 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/data/532ff07c8/9c67156a486f48f080ab3591924f9703/FLAGe9ae4eca9 [2021-10-24 10:05:05,528 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/data/532ff07c8/9c67156a486f48f080ab3591924f9703 [2021-10-24 10:05:05,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:05:05,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:05:05,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:05:05,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:05:05,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:05:05,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:05:05" (1/1) ... [2021-10-24 10:05:05,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207310ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:05, skipping insertion in model container [2021-10-24 10:05:05,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:05:05" (1/1) ... [2021-10-24 10:05:05,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:05:05,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:05:05,969 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_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c[16697,16710] [2021-10-24 10:05:05,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:05:05,985 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) [2021-10-24 10:05:05,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e9ebbb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:05, skipping insertion in model container [2021-10-24 10:05:05,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:05:05,987 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:05:05,991 INFO L168 Benchmark]: Toolchain (without parser) took 456.74 ms. Allocated memory is still 94.4 MB. Free memory was 59.1 MB in the beginning and 67.5 MB in the end (delta: -8.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:05:05,993 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory was 64.2 MB in the beginning and 64.2 MB in the end (delta: 24.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:05:05,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.89 ms. Allocated memory is still 94.4 MB. Free memory was 58.8 MB in the beginning and 67.5 MB in the end (delta: -8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:05:05,999 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory was 64.2 MB in the beginning and 64.2 MB in the end (delta: 24.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 449.89 ms. Allocated memory is still 94.4 MB. Free memory was 58.8 MB in the beginning and 67.5 MB in the end (delta: -8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 506]: 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-e943c26 [2021-10-24 10:05:08,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:05:08,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:05:08,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:05:08,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:05:08,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:05:08,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:05:08,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:05:08,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:05:08,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:05:08,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:05:08,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:05:08,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:05:08,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:05:08,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:05:08,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:05:08,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:05:08,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:05:08,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:05:08,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:05:08,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:05:08,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:05:08,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:05:08,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:05:08,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:05:08,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:05:08,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:05:08,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:05:08,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:05:08,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:05:08,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:05:08,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:05:08,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:05:08,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:05:08,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:05:08,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:05:08,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:05:08,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:05:08,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:05:08,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:05:08,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:05:08,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:05:08,601 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:05:08,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:05:08,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:05:08,604 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:05:08,604 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:05:08,604 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:05:08,604 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:05:08,604 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:05:08,605 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:05:08,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:05:08,607 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:05:08,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:05:08,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:05:08,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:05:08,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:05:08,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:05:08,609 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:05:08,609 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:05:08,609 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:05:08,610 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:05:08,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:05:08,610 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:05:08,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:05:08,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:05:08,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:05:08,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:05:08,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:05:08,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:05:08,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:05:08,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:05:08,612 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:05:08,612 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:05:08,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:05:08,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:05:08,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:05:08,614 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_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b8d1d7ceb68ac6e6630901277fde5f28b3f6a5d2baa824d9bcd68a03d4bbbff [2021-10-24 10:05:08,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:05:09,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:05:09,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:05:09,017 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:05:09,019 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:05:09,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2021-10-24 10:05:09,102 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/data/902b3fa39/9b9affdae933421f857ec7d6295a1e1f/FLAGbcd2637f6 [2021-10-24 10:05:09,765 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:05:09,768 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2021-10-24 10:05:09,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/data/902b3fa39/9b9affdae933421f857ec7d6295a1e1f/FLAGbcd2637f6 [2021-10-24 10:05:10,035 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/data/902b3fa39/9b9affdae933421f857ec7d6295a1e1f [2021-10-24 10:05:10,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:05:10,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:05:10,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:05:10,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:05:10,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:05:10,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:05:10" (1/1) ... [2021-10-24 10:05:10,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5029fe37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:10, skipping insertion in model container [2021-10-24 10:05:10,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:05:10" (1/1) ... [2021-10-24 10:05:10,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:05:10,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:05:10,394 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_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c[16697,16710] [2021-10-24 10:05:10,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:05:10,411 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:05:10,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:05:10,483 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_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c[16697,16710] [2021-10-24 10:05:10,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:05:10,500 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:05:10,633 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_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c[16697,16710] [2021-10-24 10:05:10,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:05:10,672 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:05:10,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:10 WrapperNode [2021-10-24 10:05:10,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:05:10,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:05:10,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:05:10,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:05:10,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:10" (1/1) ... [2021-10-24 10:05:10,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:10" (1/1) ... [2021-10-24 10:05:10,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:05:10,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:05:10,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:05:10,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:05:10,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:10" (1/1) ... [2021-10-24 10:05:10,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:10" (1/1) ... [2021-10-24 10:05:10,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:10" (1/1) ... [2021-10-24 10:05:10,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:10" (1/1) ... [2021-10-24 10:05:10,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:10" (1/1) ... [2021-10-24 10:05:10,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:10" (1/1) ... [2021-10-24 10:05:10,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:10" (1/1) ... [2021-10-24 10:05:10,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:05:10,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:05:10,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:05:10,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:05:10,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:10" (1/1) ... [2021-10-24 10:05:10,807 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:05:10,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:05:10,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:05:10,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:05:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:05:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:05:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:05:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:05:13,248 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:05:13,249 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-24 10:05:13,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:05:13 BoogieIcfgContainer [2021-10-24 10:05:13,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:05:13,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:05:13,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:05:13,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:05:13,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:05:10" (1/3) ... [2021-10-24 10:05:13,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208884bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:05:13, skipping insertion in model container [2021-10-24 10:05:13,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:10" (2/3) ... [2021-10-24 10:05:13,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208884bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:05:13, skipping insertion in model container [2021-10-24 10:05:13,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:05:13" (3/3) ... [2021-10-24 10:05:13,260 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2021-10-24 10:05:13,266 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:05:13,267 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:05:13,314 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:05:13,321 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 [2021-10-24 10:05:13,322 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:05:13,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 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) [2021-10-24 10:05:13,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 10:05:13,341 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:05:13,342 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:05:13,343 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:05:13,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:05:13,349 INFO L82 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2021-10-24 10:05:13,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:05:13,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1673820495] [2021-10-24 10:05:13,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:05:13,365 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:05:13,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:05:13,374 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:05:13,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:05:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:05:13,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:05:13,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:05:13,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:05:13,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:05:13,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:05:13,751 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:05:13,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1673820495] [2021-10-24 10:05:13,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1673820495] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:05:13,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:05:13,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:05:13,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718692424] [2021-10-24 10:05:13,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:05:13,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:05:13,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:05:13,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:05:13,777 INFO L87 Difference]: Start difference. First operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 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) [2021-10-24 10:05:13,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:05:13,799 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-24 10:05:13,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:05:13,801 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 [2021-10-24 10:05:13,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:05:13,810 INFO L225 Difference]: With dead ends: 112 [2021-10-24 10:05:13,810 INFO L226 Difference]: Without dead ends: 55 [2021-10-24 10:05:13,813 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:05:13,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-24 10:05:13,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-24 10:05:13,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 54 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:05:13,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-24 10:05:13,851 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-24 10:05:13,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:05:13,852 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-24 10:05:13,852 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) [2021-10-24 10:05:13,852 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-24 10:05:13,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 10:05:13,853 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:05:13,854 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:05:13,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:05:14,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:05:14,067 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:05:14,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:05:14,068 INFO L82 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2021-10-24 10:05:14,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:05:14,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106804353] [2021-10-24 10:05:14,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:05:14,069 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:05:14,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:05:14,071 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:05:14,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:05:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:05:14,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:05:14,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:05:14,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:05:14,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:05:14,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:05:14,394 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:05:14,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [106804353] [2021-10-24 10:05:14,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [106804353] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:05:14,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:05:14,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:05:14,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271573696] [2021-10-24 10:05:14,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:05:14,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:05:14,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:05:14,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:05:14,399 INFO L87 Difference]: Start difference. First operand 55 states and 75 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) [2021-10-24 10:05:14,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:05:14,410 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-24 10:05:14,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:05:14,411 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 [2021-10-24 10:05:14,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:05:14,412 INFO L225 Difference]: With dead ends: 55 [2021-10-24 10:05:14,412 INFO L226 Difference]: Without dead ends: 29 [2021-10-24 10:05:14,413 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:05:14,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-24 10:05:14,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-24 10:05:14,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 28 states have internal predecessors, (40), 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) [2021-10-24 10:05:14,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-24 10:05:14,418 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-24 10:05:14,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:05:14,418 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-24 10:05:14,419 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) [2021-10-24 10:05:14,419 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-24 10:05:14,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 10:05:14,419 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:05:14,420 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:05:14,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:05:14,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:05:14,632 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:05:14,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:05:14,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2021-10-24 10:05:14,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:05:14,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598690782] [2021-10-24 10:05:14,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:05:14,634 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:05:14,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:05:14,636 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:05:14,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:05:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:05:14,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:05:14,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:05:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:05:14,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:05:14,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:05:14,950 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:05:14,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598690782] [2021-10-24 10:05:14,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598690782] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:05:14,951 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:05:14,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:05:14,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499527429] [2021-10-24 10:05:14,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:05:14,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:05:14,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:05:14,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:05:14,953 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:05:14,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:05:14,999 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2021-10-24 10:05:14,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:05:14,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 10:05:15,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:05:15,002 INFO L225 Difference]: With dead ends: 98 [2021-10-24 10:05:15,002 INFO L226 Difference]: Without dead ends: 75 [2021-10-24 10:05:15,003 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:05:15,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-24 10:05:15,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2021-10-24 10:05:15,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 47 states have internal predecessors, (69), 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) [2021-10-24 10:05:15,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-24 10:05:15,014 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-24 10:05:15,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:05:15,014 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-24 10:05:15,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:05:15,015 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-24 10:05:15,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 10:05:15,016 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:05:15,016 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:05:15,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:05:15,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:05:15,229 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:05:15,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:05:15,230 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2021-10-24 10:05:15,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:05:15,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684928927] [2021-10-24 10:05:15,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:05:15,231 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:05:15,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:05:15,233 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:05:15,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:05:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:05:15,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:05:15,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:05:15,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:05:15,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:05:15,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:05:15,669 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:05:15,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [684928927] [2021-10-24 10:05:15,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [684928927] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:05:15,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:05:15,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 10:05:15,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656425395] [2021-10-24 10:05:15,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:05:15,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:05:15,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:05:15,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:05:15,672 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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) [2021-10-24 10:05:15,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:05:15,947 INFO L93 Difference]: Finished difference Result 307 states and 476 transitions. [2021-10-24 10:05:15,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 10:05:15,948 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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 [2021-10-24 10:05:15,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:05:15,952 INFO L225 Difference]: With dead ends: 307 [2021-10-24 10:05:15,952 INFO L226 Difference]: Without dead ends: 265 [2021-10-24 10:05:15,954 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 147.7ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-24 10:05:15,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-10-24 10:05:15,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 118. [2021-10-24 10:05:15,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.4444444444444444) internal successors, (169), 117 states have internal predecessors, (169), 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) [2021-10-24 10:05:15,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2021-10-24 10:05:15,981 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 22 [2021-10-24 10:05:15,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:05:15,981 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2021-10-24 10:05:15,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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) [2021-10-24 10:05:15,982 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2021-10-24 10:05:15,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-24 10:05:15,983 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:05:15,984 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:05:15,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:05:16,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:05:16,196 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:05:16,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:05:16,197 INFO L82 PathProgramCache]: Analyzing trace with hash 378913563, now seen corresponding path program 1 times [2021-10-24 10:05:16,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:05:16,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585245969] [2021-10-24 10:05:16,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:05:16,199 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:05:16,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:05:16,200 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:05:16,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:05:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:05:16,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:05:16,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:05:16,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:05:16,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:05:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:05:16,585 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:05:16,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585245969] [2021-10-24 10:05:16,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [585245969] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:05:16,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:05:16,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:05:16,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571628394] [2021-10-24 10:05:16,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:05:16,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:05:16,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:05:16,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:05:16,588 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:05:16,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:05:16,607 INFO L93 Difference]: Finished difference Result 224 states and 322 transitions. [2021-10-24 10:05:16,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:05:16,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-24 10:05:16,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:05:16,609 INFO L225 Difference]: With dead ends: 224 [2021-10-24 10:05:16,609 INFO L226 Difference]: Without dead ends: 112 [2021-10-24 10:05:16,610 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:05:16,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-10-24 10:05:16,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2021-10-24 10:05:16,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.3513513513513513) internal successors, (150), 111 states have internal predecessors, (150), 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) [2021-10-24 10:05:16,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 150 transitions. [2021-10-24 10:05:16,629 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 150 transitions. Word has length 23 [2021-10-24 10:05:16,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:05:16,629 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 150 transitions. [2021-10-24 10:05:16,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:05:16,630 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2021-10-24 10:05:16,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-24 10:05:16,632 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:05:16,632 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:05:16,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:05:16,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:05:16,845 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:05:16,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:05:16,846 INFO L82 PathProgramCache]: Analyzing trace with hash -699051511, now seen corresponding path program 1 times [2021-10-24 10:05:16,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:05:16,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405014390] [2021-10-24 10:05:16,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:05:16,847 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:05:16,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:05:16,848 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:05:16,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:05:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:05:17,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 10:05:17,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:05:17,226 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:05:17,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:05:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:05:17,376 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:05:17,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405014390] [2021-10-24 10:05:17,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [405014390] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:05:17,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1020062493] [2021-10-24 10:05:17,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:05:17,377 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:05:17,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:05:17,381 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:05:17,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-24 10:05:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:05:17,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:05:17,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:05:17,778 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-24 10:05:17,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:05:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-24 10:05:17,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1020062493] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:05:17,869 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:05:17,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-24 10:05:17,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876130532] [2021-10-24 10:05:17,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:05:17,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:05:17,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:05:17,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:05:17,873 INFO L87 Difference]: Start difference. First operand 112 states and 150 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-10-24 10:05:17,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:05:17,977 INFO L93 Difference]: Finished difference Result 228 states and 314 transitions. [2021-10-24 10:05:17,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:05:17,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 37 [2021-10-24 10:05:17,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:05:17,978 INFO L225 Difference]: With dead ends: 228 [2021-10-24 10:05:17,978 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:05:17,979 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 73.7ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:05:17,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:05:17,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:05:17,980 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) [2021-10-24 10:05:17,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:05:17,981 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-10-24 10:05:17,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:05:17,981 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:05:17,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-10-24 10:05:17,982 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:05:17,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:05:17,985 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:05:17,985 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:05:17,986 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:05:18,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:05:18,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:05:18,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:05:18,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:05:18,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:05:18,861 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 874) no Hoare annotation was computed. [2021-10-24 10:05:18,862 INFO L853 garLoopResultBuilder]: At program point L861-1(lines 1 877) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:05:18,862 INFO L857 garLoopResultBuilder]: For program point L861-2(lines 861 874) no Hoare annotation was computed. [2021-10-24 10:05:18,862 INFO L853 garLoopResultBuilder]: At program point L861-3(lines 1 877) the Hoare annotation is: false [2021-10-24 10:05:18,862 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 848) no Hoare annotation was computed. [2021-10-24 10:05:18,862 INFO L857 garLoopResultBuilder]: For program point L861-4(lines 861 874) no Hoare annotation was computed. [2021-10-24 10:05:18,863 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)) [2021-10-24 10:05:18,863 INFO L853 garLoopResultBuilder]: At program point L861-5(lines 1 877) the Hoare annotation is: false [2021-10-24 10:05:18,863 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 464) no Hoare annotation was computed. [2021-10-24 10:05:18,863 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:05:18,863 INFO L853 garLoopResultBuilder]: At program point L268(lines 263 271) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:05:18,863 INFO L853 garLoopResultBuilder]: At program point L268-1(lines 263 271) the Hoare annotation is: false [2021-10-24 10:05:18,863 INFO L853 garLoopResultBuilder]: At program point L268-2(lines 263 271) the Hoare annotation is: false [2021-10-24 10:05:18,864 INFO L853 garLoopResultBuilder]: At program point L286(lines 285 304) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:05:18,864 INFO L857 garLoopResultBuilder]: For program point L286-1(lines 286 292) no Hoare annotation was computed. [2021-10-24 10:05:18,864 INFO L853 garLoopResultBuilder]: At program point L286-2(lines 285 304) the Hoare annotation is: false [2021-10-24 10:05:18,864 INFO L853 garLoopResultBuilder]: At program point L286-3(lines 285 304) the Hoare annotation is: false [2021-10-24 10:05:18,864 INFO L857 garLoopResultBuilder]: For program point L848(line 848) no Hoare annotation was computed. [2021-10-24 10:05:18,864 INFO L857 garLoopResultBuilder]: For program point L848-1(line 848) no Hoare annotation was computed. [2021-10-24 10:05:18,864 INFO L857 garLoopResultBuilder]: For program point L848-2(line 848) no Hoare annotation was computed. [2021-10-24 10:05:18,865 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 871) no Hoare annotation was computed. [2021-10-24 10:05:18,865 INFO L857 garLoopResultBuilder]: For program point L865-2(lines 865 871) no Hoare annotation was computed. [2021-10-24 10:05:18,865 INFO L857 garLoopResultBuilder]: For program point L865-4(lines 865 871) no Hoare annotation was computed. [2021-10-24 10:05:18,865 INFO L853 garLoopResultBuilder]: At program point L469(lines 418 470) the Hoare annotation is: false [2021-10-24 10:05:18,865 INFO L857 garLoopResultBuilder]: For program point L420(lines 419 468) no Hoare annotation was computed. [2021-10-24 10:05:18,865 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-10-24 10:05:18,865 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-10-24 10:05:18,866 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 425) no Hoare annotation was computed. [2021-10-24 10:05:18,866 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:05:18,866 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 227) no Hoare annotation was computed. [2021-10-24 10:05:18,866 INFO L857 garLoopResultBuilder]: For program point L389(lines 389 395) no Hoare annotation was computed. [2021-10-24 10:05:18,866 INFO L853 garLoopResultBuilder]: At program point L389-1(lines 389 395) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:05:18,866 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 445) no Hoare annotation was computed. [2021-10-24 10:05:18,866 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 848) no Hoare annotation was computed. [2021-10-24 10:05:18,867 INFO L853 garLoopResultBuilder]: At program point L439-1(lines 439 445) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:05:18,867 INFO L853 garLoopResultBuilder]: At program point L176(lines 1 877) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:05:18,867 INFO L857 garLoopResultBuilder]: For program point L457(lines 457 463) no Hoare annotation was computed. [2021-10-24 10:05:18,867 INFO L853 garLoopResultBuilder]: At program point L457-1(lines 286 292) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:05:18,867 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:05:18,867 INFO L853 garLoopResultBuilder]: At program point L293(lines 293 299) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:05:18,868 INFO L853 garLoopResultBuilder]: At program point L293-1(lines 293 299) the Hoare annotation is: false [2021-10-24 10:05:18,868 INFO L853 garLoopResultBuilder]: At program point L293-2(lines 293 299) the Hoare annotation is: false [2021-10-24 10:05:18,868 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-24 10:05:18,868 INFO L857 garLoopResultBuilder]: For program point L211(lines 211 215) no Hoare annotation was computed. [2021-10-24 10:05:18,868 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-24 10:05:18,868 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)) [2021-10-24 10:05:18,868 INFO L853 garLoopResultBuilder]: At program point L345(lines 340 348) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:05:18,869 INFO L853 garLoopResultBuilder]: At program point L345-1(lines 340 348) the Hoare annotation is: false [2021-10-24 10:05:18,869 INFO L853 garLoopResultBuilder]: At program point L345-2(lines 340 348) the Hoare annotation is: false [2021-10-24 10:05:18,869 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:05:18,869 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 848) no Hoare annotation was computed. [2021-10-24 10:05:18,875 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 435) no Hoare annotation was computed. [2021-10-24 10:05:18,876 INFO L853 garLoopResultBuilder]: At program point L429-1(lines 429 435) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:05:18,876 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-24 10:05:18,876 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 286 292) no Hoare annotation was computed. [2021-10-24 10:05:18,876 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-10-24 10:05:18,877 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 203) no Hoare annotation was computed. [2021-10-24 10:05:18,877 INFO L857 garLoopResultBuilder]: For program point L199-3(lines 199 203) no Hoare annotation was computed. [2021-10-24 10:05:18,877 INFO L857 garLoopResultBuilder]: For program point L199-6(lines 199 203) no Hoare annotation was computed. [2021-10-24 10:05:18,882 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:05:18,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:05:18 BoogieIcfgContainer [2021-10-24 10:05:18,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:05:18,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:05:18,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:05:18,906 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:05:18,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:05:13" (3/4) ... [2021-10-24 10:05:18,910 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:05:18,927 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:05:18,928 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:05:18,928 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:05:18,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:05:18,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:05:18,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:05:18,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:05:18,971 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-24 10:05:19,037 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:05:19,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:05:19,040 INFO L168 Benchmark]: Toolchain (without parser) took 8992.01 ms. Allocated memory was 71.3 MB in the beginning and 119.5 MB in the end (delta: 48.2 MB). Free memory was 54.6 MB in the beginning and 54.9 MB in the end (delta: -285.3 kB). Peak memory consumption was 49.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:05:19,040 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 71.3 MB. Free memory was 52.9 MB in the beginning and 52.8 MB in the end (delta: 59.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:05:19,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.78 ms. Allocated memory is still 71.3 MB. Free memory was 54.4 MB in the beginning and 52.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:05:19,041 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.11 ms. Allocated memory is still 71.3 MB. Free memory was 52.6 MB in the beginning and 50.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:05:19,042 INFO L168 Benchmark]: Boogie Preprocessor took 37.41 ms. Allocated memory is still 71.3 MB. Free memory was 50.0 MB in the beginning and 47.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:05:19,042 INFO L168 Benchmark]: RCFGBuilder took 2453.22 ms. Allocated memory was 71.3 MB in the beginning and 98.6 MB in the end (delta: 27.3 MB). Free memory was 47.9 MB in the beginning and 76.0 MB in the end (delta: -28.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:05:19,043 INFO L168 Benchmark]: TraceAbstraction took 5652.42 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 75.3 MB in the beginning and 60.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 35.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:05:19,043 INFO L168 Benchmark]: Witness Printer took 131.83 ms. Allocated memory is still 119.5 MB. Free memory was 60.2 MB in the beginning and 54.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:05:19,046 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 71.3 MB. Free memory was 52.9 MB in the beginning and 52.8 MB in the end (delta: 59.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 632.78 ms. Allocated memory is still 71.3 MB. Free memory was 54.4 MB in the beginning and 52.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.11 ms. Allocated memory is still 71.3 MB. Free memory was 52.6 MB in the beginning and 50.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.41 ms. Allocated memory is still 71.3 MB. Free memory was 50.0 MB in the beginning and 47.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2453.22 ms. Allocated memory was 71.3 MB in the beginning and 98.6 MB in the end (delta: 27.3 MB). Free memory was 47.9 MB in the beginning and 76.0 MB in the end (delta: -28.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5652.42 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 75.3 MB in the beginning and 60.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 35.4 MB. Max. memory is 16.1 GB. * Witness Printer took 131.83 ms. Allocated memory is still 119.5 MB. Free memory was 60.2 MB in the beginning and 54.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 848]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 848]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 848]: 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, 59 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5570.0ms, OverallIterations: 6, TraceHistogramMax: 2, EmptinessCheckTime: 16.4ms, AutomataDifference: 532.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 460.0ms, InitialAbstractionConstructionTime: 9.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 298 SDtfs, 509 SDslu, 440 SDs, 0 SdLazy, 92 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 157.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 346 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 243.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 84.1ms AutomataMinimizationTime, 6 MinimizatonAttempts, 174 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 129 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 5768 FormulaSimplificationTreeSizeReduction, 377.2ms HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 73.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 152.2ms SsaConstructionTime, 764.1ms SatisfiabilityAnalysisTime, 1369.6ms InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 334 ConstructedInterpolants, 0 QuantifiedInterpolants, 662 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1406 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 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: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - 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: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:05:19,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedf1adb-03ad-43c5-8ca4-784feb29f6d6/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...