./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product34.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_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/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_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/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_c664ea42-45dc-4f1c-bf38-8de9703ef856/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 86e7038cbd7079ed991c0d8924416f9d170b15a53536a052f3097e1f394171ef ............................................................................................................................................ 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_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/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_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/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_c664ea42-45dc-4f1c-bf38-8de9703ef856/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 86e7038cbd7079ed991c0d8924416f9d170b15a53536a052f3097e1f394171ef ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:56:50,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:56:50,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:56:50,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:56:50,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:56:50,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:56:50,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:56:50,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:56:50,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:56:50,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:56:50,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:56:50,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:56:50,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:56:50,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:56:50,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:56:50,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:56:50,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:56:50,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:56:50,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:56:50,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:56:50,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:56:50,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:56:50,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:56:50,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:56:50,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:56:50,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:56:50,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:56:50,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:56:50,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:56:50,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:56:50,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:56:50,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:56:50,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:56:50,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:56:50,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:56:50,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:56:50,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:56:50,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:56:50,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:56:50,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:56:50,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:56:50,224 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 09:56:50,266 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:56:50,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:56:50,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:56:50,267 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:56:50,267 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:56:50,267 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:56:50,267 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 09:56:50,267 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:56:50,267 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:56:50,267 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 09:56:50,267 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 09:56:50,268 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:56:50,268 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 09:56:50,268 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 09:56:50,268 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 09:56:50,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:56:50,278 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:56:50,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 09:56:50,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:56:50,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:56:50,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:56:50,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:56:50,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:56:50,279 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:56:50,280 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:56:50,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:56:50,280 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:56:50,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:56:50,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:56:50,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:56:50,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:56:50,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:56:50,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:56:50,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:56:50,283 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 09:56:50,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 09:56:50,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:56:50,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:56:50,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:56:50,284 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_c664ea42-45dc-4f1c-bf38-8de9703ef856/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86e7038cbd7079ed991c0d8924416f9d170b15a53536a052f3097e1f394171ef [2021-10-24 09:56:50,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:56:50,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:56:50,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:56:50,567 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:56:50,567 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:56:50,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2021-10-24 09:56:50,649 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/data/33b4fd4e6/3372f90d8d7745d2977e1f47c7c6ef8d/FLAG3141e8802 [2021-10-24 09:56:51,125 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:56:51,126 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2021-10-24 09:56:51,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/data/33b4fd4e6/3372f90d8d7745d2977e1f47c7c6ef8d/FLAG3141e8802 [2021-10-24 09:56:51,476 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/data/33b4fd4e6/3372f90d8d7745d2977e1f47c7c6ef8d [2021-10-24 09:56:51,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:56:51,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:56:51,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:56:51,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:56:51,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:56:51,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:56:51" (1/1) ... [2021-10-24 09:56:51,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@516c0b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:56:51, skipping insertion in model container [2021-10-24 09:56:51,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:56:51" (1/1) ... [2021-10-24 09:56:51,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:56:51,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:56:51,778 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_c664ea42-45dc-4f1c-bf38-8de9703ef856/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c[2141,2154] [2021-10-24 09:56:51,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:56:51,893 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 09:56:51,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f90cbb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:56:51, skipping insertion in model container [2021-10-24 09:56:51,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:56:51,894 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 09:56:51,897 INFO L168 Benchmark]: Toolchain (without parser) took 415.79 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 54.3 MB in the beginning and 98.3 MB in the end (delta: -43.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-24 09:56:51,897 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 94.4 MB. Free memory is still 72.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:56:51,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.15 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 54.2 MB in the beginning and 98.3 MB in the end (delta: -44.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-24 09:56:51,901 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 94.4 MB. Free memory is still 72.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 405.15 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 54.2 MB in the beginning and 98.3 MB in the end (delta: -44.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 125]: 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 09:56:54,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:56:54,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:56:54,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:56:54,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:56:54,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:56:54,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:56:54,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:56:54,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:56:54,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:56:54,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:56:54,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:56:54,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:56:54,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:56:54,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:56:54,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:56:54,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:56:54,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:56:54,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:56:54,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:56:54,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:56:54,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:56:54,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:56:54,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:56:54,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:56:54,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:56:54,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:56:54,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:56:54,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:56:54,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:56:54,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:56:54,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:56:54,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:56:54,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:56:54,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:56:54,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:56:54,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:56:54,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:56:54,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:56:54,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:56:54,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:56:54,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 09:56:54,274 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:56:54,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:56:54,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:56:54,276 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:56:54,277 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:56:54,277 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:56:54,277 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:56:54,277 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:56:54,277 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:56:54,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:56:54,280 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:56:54,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:56:54,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:56:54,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:56:54,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:56:54,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:56:54,281 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:56:54,282 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 09:56:54,282 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 09:56:54,282 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:56:54,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:56:54,283 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:56:54,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:56:54,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:56:54,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 09:56:54,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:56:54,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:56:54,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:56:54,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:56:54,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:56:54,285 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 09:56:54,285 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 09:56:54,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:56:54,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:56:54,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:56:54,286 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_c664ea42-45dc-4f1c-bf38-8de9703ef856/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86e7038cbd7079ed991c0d8924416f9d170b15a53536a052f3097e1f394171ef [2021-10-24 09:56:54,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:56:54,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:56:54,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:56:54,692 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:56:54,692 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:56:54,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2021-10-24 09:56:54,767 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/data/dcba57d79/52770cdf87804871853348f731f3bf19/FLAGd25058c1e [2021-10-24 09:56:55,386 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:56:55,386 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2021-10-24 09:56:55,406 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/data/dcba57d79/52770cdf87804871853348f731f3bf19/FLAGd25058c1e [2021-10-24 09:56:55,675 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/data/dcba57d79/52770cdf87804871853348f731f3bf19 [2021-10-24 09:56:55,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:56:55,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:56:55,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:56:55,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:56:55,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:56:55,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:56:55" (1/1) ... [2021-10-24 09:56:55,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e033dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:56:55, skipping insertion in model container [2021-10-24 09:56:55,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:56:55" (1/1) ... [2021-10-24 09:56:55,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:56:55,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:56:55,967 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_c664ea42-45dc-4f1c-bf38-8de9703ef856/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c[2141,2154] [2021-10-24 09:56:56,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:56:56,099 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 09:56:56,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:56:56,114 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_c664ea42-45dc-4f1c-bf38-8de9703ef856/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c[2141,2154] [2021-10-24 09:56:56,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:56:56,240 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 09:56:56,266 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_c664ea42-45dc-4f1c-bf38-8de9703ef856/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c[2141,2154] [2021-10-24 09:56:56,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:56:56,361 INFO L208 MainTranslator]: Completed translation [2021-10-24 09:56:56,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:56:56 WrapperNode [2021-10-24 09:56:56,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:56:56,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 09:56:56,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 09:56:56,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 09:56:56,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:56:56" (1/1) ... [2021-10-24 09:56:56,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:56:56" (1/1) ... [2021-10-24 09:56:56,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 09:56:56,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 09:56:56,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 09:56:56,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 09:56:56,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:56:56" (1/1) ... [2021-10-24 09:56:56,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:56:56" (1/1) ... [2021-10-24 09:56:56,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:56:56" (1/1) ... [2021-10-24 09:56:56,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:56:56" (1/1) ... [2021-10-24 09:56:56,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:56:56" (1/1) ... [2021-10-24 09:56:56,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:56:56" (1/1) ... [2021-10-24 09:56:56,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:56:56" (1/1) ... [2021-10-24 09:56:56,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 09:56:56,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 09:56:56,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 09:56:56,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 09:56:56,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:56:56" (1/1) ... [2021-10-24 09:56:56,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:56:56,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 09:56:56,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 09:56:56,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 09:56:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 09:56:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 09:56:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 09:56:56,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 09:56:58,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 09:56:58,692 INFO L299 CfgBuilder]: Removed 112 assume(true) statements. [2021-10-24 09:56:58,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:56:58 BoogieIcfgContainer [2021-10-24 09:56:58,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 09:56:58,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 09:56:58,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 09:56:58,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 09:56:58,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:56:55" (1/3) ... [2021-10-24 09:56:58,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@683657a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:56:58, skipping insertion in model container [2021-10-24 09:56:58,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:56:56" (2/3) ... [2021-10-24 09:56:58,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@683657a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:56:58, skipping insertion in model container [2021-10-24 09:56:58,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:56:58" (3/3) ... [2021-10-24 09:56:58,705 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2021-10-24 09:56:58,711 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 09:56:58,711 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 09:56:58,757 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 09:56:58,763 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 09:56:58,764 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 09:56:58,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 83 states have (on average 1.5542168674698795) internal successors, (129), 86 states have internal predecessors, (129), 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 09:56:58,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 09:56:58,785 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:56:58,786 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:56:58,786 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 09:56:58,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:56:58,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1820159384, now seen corresponding path program 1 times [2021-10-24 09:56:58,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:56:58,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617473220] [2021-10-24 09:56:58,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:56:58,807 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:56:58,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:56:58,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:56:58,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 09:56:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:56:59,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 09:56:59,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:56:59,140 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 09:56:59,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:56:59,206 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 09:56:59,207 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:56:59,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617473220] [2021-10-24 09:56:59,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617473220] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:56:59,208 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:56:59,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 09:56:59,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75761216] [2021-10-24 09:56:59,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 09:56:59,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:56:59,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 09:56:59,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 09:56:59,234 INFO L87 Difference]: Start difference. First operand has 87 states, 83 states have (on average 1.5542168674698795) internal successors, (129), 86 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 09:56:59,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:56:59,261 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2021-10-24 09:56:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 09:56:59,262 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 09:56:59,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:56:59,273 INFO L225 Difference]: With dead ends: 167 [2021-10-24 09:56:59,274 INFO L226 Difference]: Without dead ends: 83 [2021-10-24 09:56:59,277 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 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 09:56:59,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-24 09:56:59,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-10-24 09:56:59,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 80 states have (on average 1.4625) internal successors, (117), 82 states have internal predecessors, (117), 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 09:56:59,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2021-10-24 09:56:59,336 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2021-10-24 09:56:59,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:56:59,336 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2021-10-24 09:56:59,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 09:56:59,337 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2021-10-24 09:56:59,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-24 09:56:59,338 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:56:59,338 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] [2021-10-24 09:56:59,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 09:56:59,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:56:59,557 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 09:56:59,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:56:59,558 INFO L82 PathProgramCache]: Analyzing trace with hash -14139831, now seen corresponding path program 1 times [2021-10-24 09:56:59,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:56:59,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281431573] [2021-10-24 09:56:59,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:56:59,559 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:56:59,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:56:59,560 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:56:59,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 09:56:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:56:59,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:56:59,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:56:59,855 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 09:56:59,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:56:59,924 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 09:56:59,925 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:56:59,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281431573] [2021-10-24 09:56:59,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1281431573] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:56:59,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:56:59,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 09:56:59,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635569652] [2021-10-24 09:56:59,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:56:59,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:56:59,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:56:59,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:56:59,934 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:56:59,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:56:59,964 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2021-10-24 09:56:59,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:56:59,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-24 09:56:59,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:56:59,968 INFO L225 Difference]: With dead ends: 83 [2021-10-24 09:56:59,969 INFO L226 Difference]: Without dead ends: 38 [2021-10-24 09:56:59,970 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:56:59,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-24 09:56:59,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-24 09:56:59,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 37 states have internal predecessors, (53), 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 09:56:59,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2021-10-24 09:56:59,977 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2021-10-24 09:56:59,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:56:59,978 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2021-10-24 09:56:59,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:56:59,979 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2021-10-24 09:56:59,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 09:56:59,981 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:56:59,986 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:57:00,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 09:57:00,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:57:00,201 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 09:57:00,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:00,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1021335289, now seen corresponding path program 1 times [2021-10-24 09:57:00,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:57:00,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408420303] [2021-10-24 09:57:00,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:00,203 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:57:00,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:57:00,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:57:00,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 09:57:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:00,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:57:00,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:57:00,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:00,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:57:00,539 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 09:57:00,540 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:57:00,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408420303] [2021-10-24 09:57:00,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1408420303] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:00,541 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:00,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 09:57:00,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923294623] [2021-10-24 09:57:00,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:57:00,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:57:00,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:57:00,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:57:00,548 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 09:57:00,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:00,596 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2021-10-24 09:57:00,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:57:00,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 09:57:00,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:00,599 INFO L225 Difference]: With dead ends: 69 [2021-10-24 09:57:00,599 INFO L226 Difference]: Without dead ends: 38 [2021-10-24 09:57:00,600 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:57:00,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-24 09:57:00,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-24 09:57:00,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 37 states have internal predecessors, (52), 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 09:57:00,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2021-10-24 09:57:00,610 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2021-10-24 09:57:00,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:00,611 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2021-10-24 09:57:00,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 09:57:00,612 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2021-10-24 09:57:00,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 09:57:00,614 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:00,615 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:57:00,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 09:57:00,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:57:00,828 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 09:57:00,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:00,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1742927995, now seen corresponding path program 1 times [2021-10-24 09:57:00,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:57:00,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1329021492] [2021-10-24 09:57:00,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:00,831 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:57:00,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:57:00,832 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:57:00,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 09:57:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:01,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:57:01,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:57:01,119 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 09:57:01,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:57:01,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:01,189 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:57:01,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1329021492] [2021-10-24 09:57:01,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1329021492] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:01,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:01,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 09:57:01,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847661863] [2021-10-24 09:57:01,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:57:01,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:57:01,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:57:01,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:57:01,191 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:01,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:01,246 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2021-10-24 09:57:01,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:57:01,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-24 09:57:01,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:01,248 INFO L225 Difference]: With dead ends: 93 [2021-10-24 09:57:01,248 INFO L226 Difference]: Without dead ends: 62 [2021-10-24 09:57:01,248 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:57:01,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-10-24 09:57:01,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-10-24 09:57:01,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 states have internal predecessors, (83), 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 09:57:01,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-10-24 09:57:01,256 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2021-10-24 09:57:01,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:01,257 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-10-24 09:57:01,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:57:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-10-24 09:57:01,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 09:57:01,262 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:01,262 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:57:01,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-24 09:57:01,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:57:01,473 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 09:57:01,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:01,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1221487882, now seen corresponding path program 1 times [2021-10-24 09:57:01,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:57:01,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704628263] [2021-10-24 09:57:01,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:01,475 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:57:01,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:57:01,476 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:57:01,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 09:57:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:01,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 09:57:01,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:57:01,829 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 09:57:01,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:57:01,905 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 09:57:01,906 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:57:01,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704628263] [2021-10-24 09:57:01,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704628263] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:01,910 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:01,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 09:57:01,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791734133] [2021-10-24 09:57:01,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:57:01,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:57:01,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:57:01,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:57:01,913 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 09:57:01,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:01,980 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2021-10-24 09:57:01,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 09:57:01,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 33 [2021-10-24 09:57:01,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:01,982 INFO L225 Difference]: With dead ends: 157 [2021-10-24 09:57:01,982 INFO L226 Difference]: Without dead ends: 104 [2021-10-24 09:57:01,983 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 09:57:01,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-24 09:57:01,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2021-10-24 09:57:01,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 62 states have internal predecessors, (86), 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 09:57:01,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2021-10-24 09:57:01,993 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2021-10-24 09:57:01,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:01,993 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2021-10-24 09:57:01,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 09:57:01,994 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2021-10-24 09:57:01,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 09:57:01,995 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:01,995 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:57:02,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-24 09:57:02,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:57:02,217 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 09:57:02,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:02,218 INFO L82 PathProgramCache]: Analyzing trace with hash -2140015705, now seen corresponding path program 1 times [2021-10-24 09:57:02,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:57:02,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516418978] [2021-10-24 09:57:02,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:02,218 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:57:02,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:57:02,219 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:57:02,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 09:57:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:02,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 09:57:02,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:57:02,565 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 09:57:02,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:57:02,662 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 09:57:02,662 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:57:02,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516418978] [2021-10-24 09:57:02,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1516418978] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:02,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:02,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 09:57:02,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994565147] [2021-10-24 09:57:02,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:57:02,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:57:02,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:57:02,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:57:02,664 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 09:57:02,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:02,804 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2021-10-24 09:57:02,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 09:57:02,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 33 [2021-10-24 09:57:02,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:02,811 INFO L225 Difference]: With dead ends: 216 [2021-10-24 09:57:02,811 INFO L226 Difference]: Without dead ends: 160 [2021-10-24 09:57:02,814 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 38.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 09:57:02,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-10-24 09:57:02,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2021-10-24 09:57:02,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.360655737704918) internal successors, (83), 61 states have internal predecessors, (83), 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 09:57:02,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2021-10-24 09:57:02,834 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2021-10-24 09:57:02,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:02,835 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2021-10-24 09:57:02,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 09:57:02,835 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2021-10-24 09:57:02,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 09:57:02,836 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:02,837 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:57:02,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 09:57:03,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:57:03,041 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:57:03,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:03,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1922552460, now seen corresponding path program 1 times [2021-10-24 09:57:03,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:57:03,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601297713] [2021-10-24 09:57:03,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:03,042 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:57:03,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:57:03,043 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:57:03,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 09:57:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:03,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 09:57:03,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:57:03,385 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 09:57:03,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:57:03,470 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 09:57:03,470 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:57:03,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601297713] [2021-10-24 09:57:03,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601297713] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:03,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:03,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 09:57:03,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802878939] [2021-10-24 09:57:03,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 09:57:03,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:57:03,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 09:57:03,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 09:57:03,472 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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 09:57:03,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:03,529 INFO L93 Difference]: Finished difference Result 164 states and 221 transitions. [2021-10-24 09:57:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 09:57:03,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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 33 [2021-10-24 09:57:03,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:03,530 INFO L225 Difference]: With dead ends: 164 [2021-10-24 09:57:03,531 INFO L226 Difference]: Without dead ends: 109 [2021-10-24 09:57:03,531 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 18.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 09:57:03,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-10-24 09:57:03,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2021-10-24 09:57:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 63 states have internal predecessors, (85), 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 09:57:03,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2021-10-24 09:57:03,544 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2021-10-24 09:57:03,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:03,544 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2021-10-24 09:57:03,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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 09:57:03,545 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2021-10-24 09:57:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 09:57:03,546 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:03,546 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:57:03,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 09:57:03,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:57:03,758 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:57:03,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:03,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1335746446, now seen corresponding path program 1 times [2021-10-24 09:57:03,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:57:03,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [954752078] [2021-10-24 09:57:03,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:03,759 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:57:03,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:57:03,760 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:57:03,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 09:57:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:03,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:57:03,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:57:04,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:04,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:57:04,208 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 09:57:04,208 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:57:04,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [954752078] [2021-10-24 09:57:04,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [954752078] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:04,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:04,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 09:57:04,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384290132] [2021-10-24 09:57:04,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:57:04,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:57:04,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:57:04,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:57:04,210 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 09:57:04,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:04,255 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2021-10-24 09:57:04,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 09:57:04,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 33 [2021-10-24 09:57:04,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:04,257 INFO L225 Difference]: With dead ends: 198 [2021-10-24 09:57:04,257 INFO L226 Difference]: Without dead ends: 141 [2021-10-24 09:57:04,258 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:57:04,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-10-24 09:57:04,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 112. [2021-10-24 09:57:04,276 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 09:57:04,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 150 transitions. [2021-10-24 09:57:04,277 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 150 transitions. Word has length 33 [2021-10-24 09:57:04,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:04,277 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 150 transitions. [2021-10-24 09:57:04,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 09:57:04,278 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2021-10-24 09:57:04,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 09:57:04,279 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:04,279 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:57:04,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 09:57:04,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:57:04,492 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:57:04,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:04,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1064588722, now seen corresponding path program 1 times [2021-10-24 09:57:04,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:57:04,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704420549] [2021-10-24 09:57:04,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:04,494 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:57:04,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:57:04,495 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:57:04,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 09:57:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:04,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 09:57:04,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:57:04,909 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 09:57:04,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:57:05,025 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 09:57:05,026 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:57:05,026 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704420549] [2021-10-24 09:57:05,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704420549] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:57:05,029 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:57:05,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 09:57:05,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946702906] [2021-10-24 09:57:05,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 09:57:05,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:57:05,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 09:57:05,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 09:57:05,031 INFO L87 Difference]: Start difference. First operand 112 states and 150 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 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 09:57:06,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:06,494 INFO L93 Difference]: Finished difference Result 521 states and 708 transitions. [2021-10-24 09:57:06,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 09:57:06,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-10-24 09:57:06,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:06,498 INFO L225 Difference]: With dead ends: 521 [2021-10-24 09:57:06,498 INFO L226 Difference]: Without dead ends: 416 [2021-10-24 09:57:06,499 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 58.9ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-24 09:57:06,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-10-24 09:57:06,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 208. [2021-10-24 09:57:06,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 207 states have (on average 1.328502415458937) internal successors, (275), 207 states have internal predecessors, (275), 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 09:57:06,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 275 transitions. [2021-10-24 09:57:06,539 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 275 transitions. Word has length 34 [2021-10-24 09:57:06,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:06,539 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 275 transitions. [2021-10-24 09:57:06,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 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 09:57:06,539 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 275 transitions. [2021-10-24 09:57:06,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-24 09:57:06,541 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:57:06,542 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:57:06,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 09:57:06,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:57:06,753 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:57:06,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:57:06,754 INFO L82 PathProgramCache]: Analyzing trace with hash 160053225, now seen corresponding path program 1 times [2021-10-24 09:57:06,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:57:06,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748563618] [2021-10-24 09:57:06,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:06,755 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:57:06,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:57:06,756 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:57:06,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 09:57:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:07,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 09:57:07,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:57:07,244 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:07,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:57:07,400 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:07,400 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:57:07,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748563618] [2021-10-24 09:57:07,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [748563618] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 09:57:07,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1359578840] [2021-10-24 09:57:07,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:07,401 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 09:57:07,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 09:57:07,406 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 09:57:07,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-24 09:57:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:07,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-24 09:57:07,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:57:07,891 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:07,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:57:08,021 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:08,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1359578840] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 09:57:08,022 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77658861] [2021-10-24 09:57:08,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:57:08,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 09:57:08,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 09:57:08,024 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 09:57:08,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-24 09:57:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:57:08,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 09:57:08,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:57:08,520 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:08,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:57:08,648 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:57:08,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77658861] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 09:57:08,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 09:57:08,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 9 [2021-10-24 09:57:08,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807010458] [2021-10-24 09:57:08,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-24 09:57:08,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:57:08,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-24 09:57:08,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 09:57:08,650 INFO L87 Difference]: Start difference. First operand 208 states and 275 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 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 09:57:12,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:57:12,127 INFO L93 Difference]: Finished difference Result 358 states and 481 transitions. [2021-10-24 09:57:12,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 09:57:12,128 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 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 51 [2021-10-24 09:57:12,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:57:12,129 INFO L225 Difference]: With dead ends: 358 [2021-10-24 09:57:12,129 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 09:57:12,129 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 76.4ms TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-10-24 09:57:12,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 09:57:12,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 09:57:12,130 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 09:57:12,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 09:57:12,130 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-10-24 09:57:12,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:57:12,130 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 09:57:12,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 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 09:57:12,131 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 09:57:12,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 09:57:12,137 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:57:12,138 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:57:12,138 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:57:12,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 09:57:12,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-24 09:57:12,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2021-10-24 09:57:12,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 09:57:12,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 09:57:12,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:12,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:12,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:12,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:13,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:57:14,992 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-10-24 09:57:14,992 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 603) no Hoare annotation was computed. [2021-10-24 09:57:14,992 INFO L853 garLoopResultBuilder]: At program point L597-1(lines 597 603) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse4 .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2021-10-24 09:57:14,992 INFO L860 garLoopResultBuilder]: At program point L944(lines 925 947) the Hoare annotation is: true [2021-10-24 09:57:14,992 INFO L853 garLoopResultBuilder]: At program point L911(lines 907 913) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:57:14,993 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 09:57:14,993 INFO L857 garLoopResultBuilder]: For program point L615(lines 615 619) no Hoare annotation was computed. [2021-10-24 09:57:14,993 INFO L853 garLoopResultBuilder]: At program point L615-2(lines 615 619) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse4 .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2021-10-24 09:57:14,993 INFO L857 garLoopResultBuilder]: For program point L830(lines 830 847) no Hoare annotation was computed. [2021-10-24 09:57:14,993 INFO L853 garLoopResultBuilder]: At program point L830-1(lines 1 947) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6)) (.cse7 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse4 .cse5 .cse1 .cse2 .cse6 .cse7) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse7 .cse3))) [2021-10-24 09:57:14,993 INFO L853 garLoopResultBuilder]: At program point L863-2(lines 863 877) the Hoare annotation is: false [2021-10-24 09:57:14,993 INFO L857 garLoopResultBuilder]: For program point L830-2(lines 830 847) no Hoare annotation was computed. [2021-10-24 09:57:14,994 INFO L853 garLoopResultBuilder]: At program point L830-3(lines 1 947) the Hoare annotation is: false [2021-10-24 09:57:14,994 INFO L857 garLoopResultBuilder]: For program point L830-4(lines 830 847) no Hoare annotation was computed. [2021-10-24 09:57:14,994 INFO L853 garLoopResultBuilder]: At program point L830-5(lines 1 947) the Hoare annotation is: false [2021-10-24 09:57:14,994 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 504) no Hoare annotation was computed. [2021-10-24 09:57:14,994 INFO L857 garLoopResultBuilder]: For program point L682(lines 682 699) no Hoare annotation was computed. [2021-10-24 09:57:14,994 INFO L857 garLoopResultBuilder]: For program point L682-1(lines 682 699) no Hoare annotation was computed. [2021-10-24 09:57:14,994 INFO L857 garLoopResultBuilder]: For program point L682-2(lines 682 699) no Hoare annotation was computed. [2021-10-24 09:57:14,994 INFO L857 garLoopResultBuilder]: For program point L864(line 864) no Hoare annotation was computed. [2021-10-24 09:57:14,995 INFO L853 garLoopResultBuilder]: At program point L650(lines 646 668) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-10-24 09:57:14,995 INFO L853 garLoopResultBuilder]: At program point L650-1(lines 646 668) the Hoare annotation is: false [2021-10-24 09:57:14,995 INFO L853 garLoopResultBuilder]: At program point L650-2(lines 646 668) the Hoare annotation is: false [2021-10-24 09:57:14,995 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 788) no Hoare annotation was computed. [2021-10-24 09:57:14,995 INFO L857 garLoopResultBuilder]: For program point L784-2(lines 784 788) no Hoare annotation was computed. [2021-10-24 09:57:14,995 INFO L857 garLoopResultBuilder]: For program point L784-3(lines 784 788) no Hoare annotation was computed. [2021-10-24 09:57:14,995 INFO L857 garLoopResultBuilder]: For program point L784-5(lines 784 788) no Hoare annotation was computed. [2021-10-24 09:57:14,995 INFO L857 garLoopResultBuilder]: For program point L784-6(lines 784 788) no Hoare annotation was computed. [2021-10-24 09:57:14,996 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 559) no Hoare annotation was computed. [2021-10-24 09:57:14,996 INFO L857 garLoopResultBuilder]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2021-10-24 09:57:14,996 INFO L857 garLoopResultBuilder]: For program point L784-8(lines 784 788) no Hoare annotation was computed. [2021-10-24 09:57:14,996 INFO L857 garLoopResultBuilder]: For program point L553-2(lines 553 559) no Hoare annotation was computed. [2021-10-24 09:57:14,996 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 871) no Hoare annotation was computed. [2021-10-24 09:57:14,996 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 844) no Hoare annotation was computed. [2021-10-24 09:57:14,996 INFO L857 garLoopResultBuilder]: For program point L867-1(lines 867 871) no Hoare annotation was computed. [2021-10-24 09:57:15,001 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 09:57:15,001 INFO L857 garLoopResultBuilder]: For program point L834-2(lines 834 844) no Hoare annotation was computed. [2021-10-24 09:57:15,001 INFO L853 garLoopResultBuilder]: At program point L735(lines 730 738) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse4 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse5) (and .cse0 .cse2 .cse6 .cse3 .cse4 .cse7) (and .cse0 .cse6 .cse3 .cse4 (= ~waterLevel~0 (_ bv1 32)) .cse7))) [2021-10-24 09:57:15,001 INFO L853 garLoopResultBuilder]: At program point L735-1(lines 730 738) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_processEnvironment_~tmp~4 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 09:57:15,002 INFO L857 garLoopResultBuilder]: For program point L834-4(lines 834 844) no Hoare annotation was computed. [2021-10-24 09:57:15,002 INFO L853 garLoopResultBuilder]: At program point L735-2(lines 730 738) the Hoare annotation is: false [2021-10-24 09:57:15,002 INFO L853 garLoopResultBuilder]: At program point L735-3(lines 730 738) the Hoare annotation is: false [2021-10-24 09:57:15,002 INFO L853 garLoopResultBuilder]: At program point L735-4(lines 730 738) the Hoare annotation is: false [2021-10-24 09:57:15,002 INFO L853 garLoopResultBuilder]: At program point L735-5(lines 730 738) the Hoare annotation is: false [2021-10-24 09:57:15,002 INFO L857 garLoopResultBuilder]: For program point L686(lines 686 694) no Hoare annotation was computed. [2021-10-24 09:57:15,003 INFO L857 garLoopResultBuilder]: For program point L686-1(lines 686 694) no Hoare annotation was computed. [2021-10-24 09:57:15,003 INFO L857 garLoopResultBuilder]: For program point L686-2(lines 686 694) no Hoare annotation was computed. [2021-10-24 09:57:15,003 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 947) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:57:15,003 INFO L857 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2021-10-24 09:57:15,004 INFO L853 garLoopResultBuilder]: At program point L587-1(lines 587 593) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse4 .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2021-10-24 09:57:15,004 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2021-10-24 09:57:15,004 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 841) no Hoare annotation was computed. [2021-10-24 09:57:15,004 INFO L857 garLoopResultBuilder]: For program point L835-2(lines 835 841) no Hoare annotation was computed. [2021-10-24 09:57:15,004 INFO L857 garLoopResultBuilder]: For program point L835-4(lines 835 841) no Hoare annotation was computed. [2021-10-24 09:57:15,004 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-24 09:57:15,005 INFO L857 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2021-10-24 09:57:15,005 INFO L857 garLoopResultBuilder]: For program point L92-2(line 92) no Hoare annotation was computed. [2021-10-24 09:57:15,005 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-10-24 09:57:15,005 INFO L853 garLoopResultBuilder]: At program point L819(lines 650 656) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse3 .cse1 .cse2 .cse4) (and .cse0 .cse3 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-10-24 09:57:15,005 INFO L853 garLoopResultBuilder]: At program point L819-1(lines 650 656) the Hoare annotation is: false [2021-10-24 09:57:15,007 INFO L853 garLoopResultBuilder]: At program point L819-2(lines 650 656) the Hoare annotation is: false [2021-10-24 09:57:15,007 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 942) no Hoare annotation was computed. [2021-10-24 09:57:15,007 INFO L860 garLoopResultBuilder]: At program point L935-1(lines 935 942) the Hoare annotation is: true [2021-10-24 09:57:15,008 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 09:57:15,008 INFO L857 garLoopResultBuilder]: For program point L607(lines 607 620) no Hoare annotation was computed. [2021-10-24 09:57:15,008 INFO L853 garLoopResultBuilder]: At program point L657(lines 657 663) the Hoare annotation is: (let ((.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ULTIMATE.start_processEnvironment_~tmp~4 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse6 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse4 .cse5))) [2021-10-24 09:57:15,008 INFO L853 garLoopResultBuilder]: At program point L657-1(lines 657 663) the Hoare annotation is: false [2021-10-24 09:57:15,008 INFO L853 garLoopResultBuilder]: At program point L657-2(lines 657 663) the Hoare annotation is: false [2021-10-24 09:57:15,008 INFO L853 garLoopResultBuilder]: At program point L558(lines 549 562) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-10-24 09:57:15,009 INFO L853 garLoopResultBuilder]: At program point L558-1(lines 549 562) the Hoare annotation is: false [2021-10-24 09:57:15,009 INFO L853 garLoopResultBuilder]: At program point L558-2(lines 549 562) the Hoare annotation is: false [2021-10-24 09:57:15,009 INFO L857 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2021-10-24 09:57:15,009 INFO L857 garLoopResultBuilder]: For program point L476-3(lines 476 480) no Hoare annotation was computed. [2021-10-24 09:57:15,010 INFO L853 garLoopResultBuilder]: At program point L790(lines 775 793) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32))) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-10-24 09:57:15,010 INFO L857 garLoopResultBuilder]: For program point L476-6(lines 476 480) no Hoare annotation was computed. [2021-10-24 09:57:15,010 INFO L853 garLoopResultBuilder]: At program point L790-1(lines 775 793) the Hoare annotation is: false [2021-10-24 09:57:15,010 INFO L853 garLoopResultBuilder]: At program point L790-2(lines 775 793) the Hoare annotation is: false [2021-10-24 09:57:15,010 INFO L853 garLoopResultBuilder]: At program point L625(lines 576 626) the Hoare annotation is: false [2021-10-24 09:57:15,010 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 09:57:15,011 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-10-24 09:57:15,011 INFO L853 garLoopResultBuilder]: At program point L809(lines 804 811) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:57:15,011 INFO L857 garLoopResultBuilder]: For program point L578(lines 577 624) no Hoare annotation was computed. [2021-10-24 09:57:15,011 INFO L853 garLoopResultBuilder]: At program point L545(lines 540 548) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~4 (_ bv0 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse4 .cse2 .cse3 .cse6 .cse5 .cse7) (and .cse0 .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse6 .cse7))) [2021-10-24 09:57:15,011 INFO L853 garLoopResultBuilder]: At program point L545-1(lines 540 548) the Hoare annotation is: false [2021-10-24 09:57:15,012 INFO L853 garLoopResultBuilder]: At program point L545-2(lines 540 548) the Hoare annotation is: false [2021-10-24 09:57:15,012 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 09:57:15,012 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2021-10-24 09:57:15,016 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 09:57:15,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:57:15 BoogieIcfgContainer [2021-10-24 09:57:15,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 09:57:15,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 09:57:15,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 09:57:15,064 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 09:57:15,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:56:58" (3/4) ... [2021-10-24 09:57:15,067 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 09:57:15,089 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 09:57:15,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 09:57:15,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 09:57:15,092 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 09:57:15,092 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 09:57:15,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 09:57:15,094 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 09:57:15,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 09:57:15,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 09:57:15,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 09:57:15,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == tmp) && 2bv32 == \result)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == tmp) && 2bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 09:57:15,132 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 09:57:15,132 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 09:57:15,133 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 09:57:15,133 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 09:57:15,134 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 09:57:15,134 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 09:57:15,135 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 09:57:15,136 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 09:57:15,137 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 09:57:15,138 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 09:57:15,138 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 1bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 09:57:15,199 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 09:57:15,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 09:57:15,201 INFO L168 Benchmark]: Toolchain (without parser) took 19521.67 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 31.4 MB in the beginning and 44.2 MB in the end (delta: -12.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:15,202 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.5 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:57:15,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.05 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.2 MB in the beginning and 34.6 MB in the end (delta: -3.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:15,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.14 ms. Allocated memory is still 67.1 MB. Free memory was 34.6 MB in the beginning and 49.0 MB in the end (delta: -14.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:15,203 INFO L168 Benchmark]: Boogie Preprocessor took 80.48 ms. Allocated memory is still 67.1 MB. Free memory was 49.0 MB in the beginning and 46.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:15,204 INFO L168 Benchmark]: RCFGBuilder took 2146.52 ms. Allocated memory is still 67.1 MB. Free memory was 46.6 MB in the beginning and 29.2 MB in the end (delta: 17.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:15,204 INFO L168 Benchmark]: TraceAbstraction took 16367.44 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 28.8 MB in the beginning and 51.8 MB in the end (delta: -23.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:15,204 INFO L168 Benchmark]: Witness Printer took 135.86 ms. Allocated memory is still 81.8 MB. Free memory was 51.8 MB in the beginning and 44.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 09:57:15,207 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.5 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 682.05 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.2 MB in the beginning and 34.6 MB in the end (delta: -3.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.14 ms. Allocated memory is still 67.1 MB. Free memory was 34.6 MB in the beginning and 49.0 MB in the end (delta: -14.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.48 ms. Allocated memory is still 67.1 MB. Free memory was 49.0 MB in the beginning and 46.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2146.52 ms. Allocated memory is still 67.1 MB. Free memory was 46.6 MB in the beginning and 29.2 MB in the end (delta: 17.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16367.44 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 28.8 MB in the beginning and 51.8 MB in the end (delta: -23.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. * Witness Printer took 135.86 ms. Allocated memory is still 81.8 MB. Free memory was 51.8 MB in the beginning and 44.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 92]: 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, 87 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 16260.5ms, OverallIterations: 10, TraceHistogramMax: 2, EmptinessCheckTime: 22.8ms, AutomataDifference: 5490.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2233.7ms, InitialAbstractionConstructionTime: 11.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 789 SDtfs, 1085 SDslu, 1208 SDs, 0 SdLazy, 192 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4917.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 820 GetRequests, 777 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 253.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=9, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 170.4ms AutomataMinimizationTime, 10 MinimizatonAttempts, 423 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 38 LocationsWithAnnotation, 38 PreInvPairs, 106 NumberOfFragments, 817 HoareAnnotationTreeSize, 38 FomulaSimplifications, 30198 FormulaSimplificationTreeSizeReduction, 574.2ms HoareSimplificationTime, 38 FomulaSimplificationsInter, 2770 FormulaSimplificationTreeSizeReductionInter, 1648.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 243.9ms SsaConstructionTime, 1192.7ms SatisfiabilityAnalysisTime, 2665.2ms InterpolantComputationTime, 411 NumberOfCodeBlocks, 411 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 798 ConstructedInterpolants, 0 QuantifiedInterpolants, 1451 SizeOfPredicates, 25 NumberOfNonLiveVariables, 2588 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 24 InterpolantComputations, 18 PerfectInterpolantSequences, 78/96 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: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 1bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == tmp) && 2bv32 == \result)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == tmp) && 2bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) RESULT: Ultimate proved your program to be correct! [2021-10-24 09:57:15,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c664ea42-45dc-4f1c-bf38-8de9703ef856/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...