./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan --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 b67757251629fd1bffeb4ee115ae4af5ebdd6873 ........................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan --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 b67757251629fd1bffeb4ee115ae4af5ebdd6873 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 08:53:50,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:53:50,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:53:50,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:53:50,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:53:50,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:53:50,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:53:50,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:53:50,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:53:50,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:53:50,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:53:50,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:53:50,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:53:50,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:53:50,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:53:50,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:53:50,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:53:50,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:53:50,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:53:50,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:53:50,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:53:50,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:53:50,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:53:50,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:53:50,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:53:50,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:53:50,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:53:50,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:53:50,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:53:50,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:53:50,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:53:50,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:53:50,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:53:50,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:53:50,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:53:50,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:53:50,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:53:50,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:53:50,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:53:50,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:53:50,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:53:50,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 08:53:50,444 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:53:50,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:53:50,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:53:50,445 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:53:50,446 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:53:50,446 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:53:50,446 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 08:53:50,446 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:53:50,446 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:53:50,446 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 08:53:50,446 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 08:53:50,446 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:53:50,446 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 08:53:50,447 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 08:53:50,447 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 08:53:50,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:53:50,447 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:53:50,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 08:53:50,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:53:50,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:53:50,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:53:50,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:53:50,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:53:50,448 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:53:50,448 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:53:50,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:53:50,448 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:53:50,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:53:50,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:53:50,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:53:50,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:53:50,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:53:50,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:53:50,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:53:50,449 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 08:53:50,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 08:53:50,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:53:50,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:53:50,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:53:50,450 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-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b67757251629fd1bffeb4ee115ae4af5ebdd6873 [2020-12-09 08:53:50,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:53:50,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:53:50,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:53:50,652 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:53:50,653 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:53:50,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2020-12-09 08:53:50,695 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/data/b69233f0d/8b1fdf17462d463b91c380d59e4564b0/FLAG7fa0e8557 [2020-12-09 08:53:51,102 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:53:51,102 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2020-12-09 08:53:51,112 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/data/b69233f0d/8b1fdf17462d463b91c380d59e4564b0/FLAG7fa0e8557 [2020-12-09 08:53:51,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/data/b69233f0d/8b1fdf17462d463b91c380d59e4564b0 [2020-12-09 08:53:51,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:53:51,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:53:51,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:53:51,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:53:51,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:53:51,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:53:51" (1/1) ... [2020-12-09 08:53:51,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e095c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:53:51, skipping insertion in model container [2020-12-09 08:53:51,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:53:51" (1/1) ... [2020-12-09 08:53:51,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:53:51,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:53:51,349 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13152,13165] [2020-12-09 08:53:51,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:53:51,384 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) [2020-12-09 08:53:51,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25911f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:53:51, skipping insertion in model container [2020-12-09 08:53:51,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:53:51,385 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 08:53:51,387 INFO L168 Benchmark]: Toolchain (without parser) took 258.73 ms. Allocated memory is still 90.2 MB. Free memory was 58.8 MB in the beginning and 65.9 MB in the end (delta: -7.1 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2020-12-09 08:53:51,388 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 90.2 MB. Free memory was 66.9 MB in the beginning and 66.8 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:53:51,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.38 ms. Allocated memory is still 90.2 MB. Free memory was 58.6 MB in the beginning and 66.2 MB in the end (delta: -7.6 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2020-12-09 08:53:51,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 90.2 MB. Free memory was 66.9 MB in the beginning and 66.8 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 256.38 ms. Allocated memory is still 90.2 MB. Free memory was 58.6 MB in the beginning and 66.2 MB in the end (delta: -7.6 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: 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 0.2.0-7b2dab5 [2020-12-09 08:53:52,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:53:52,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:53:52,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:53:52,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:53:52,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:53:52,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:53:52,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:53:52,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:53:52,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:53:52,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:53:52,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:53:52,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:53:52,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:53:52,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:53:52,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:53:52,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:53:52,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:53:52,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:53:52,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:53:52,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:53:52,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:53:52,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:53:52,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:53:52,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:53:52,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:53:52,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:53:52,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:53:52,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:53:52,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:53:52,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:53:52,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:53:52,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:53:52,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:53:52,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:53:52,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:53:52,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:53:52,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:53:52,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:53:52,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:53:52,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:53:52,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 08:53:52,870 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:53:52,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:53:52,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:53:52,871 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:53:52,871 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:53:52,871 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:53:52,872 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:53:52,872 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:53:52,872 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:53:52,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:53:52,873 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:53:52,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:53:52,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:53:52,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:53:52,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:53:52,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:53:52,874 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:53:52,874 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 08:53:52,875 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 08:53:52,875 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:53:52,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:53:52,875 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:53:52,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:53:52,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:53:52,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 08:53:52,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:53:52,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:53:52,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:53:52,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:53:52,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:53:52,877 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 08:53:52,877 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 08:53:52,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:53:52,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:53:52,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:53:52,878 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-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b67757251629fd1bffeb4ee115ae4af5ebdd6873 [2020-12-09 08:53:53,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:53:53,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:53:53,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:53:53,129 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:53:53,129 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:53:53,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2020-12-09 08:53:53,172 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/data/23f0fbb4e/548378159bc14e18ba2202f3d163b2d2/FLAGe32128ac1 [2020-12-09 08:53:53,599 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:53:53,599 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2020-12-09 08:53:53,608 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/data/23f0fbb4e/548378159bc14e18ba2202f3d163b2d2/FLAGe32128ac1 [2020-12-09 08:53:53,617 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/data/23f0fbb4e/548378159bc14e18ba2202f3d163b2d2 [2020-12-09 08:53:53,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:53:53,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:53:53,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:53:53,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:53:53,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:53:53,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:53:53" (1/1) ... [2020-12-09 08:53:53,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a28b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:53:53, skipping insertion in model container [2020-12-09 08:53:53,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:53:53" (1/1) ... [2020-12-09 08:53:53,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:53:53,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:53:53,839 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13152,13165] [2020-12-09 08:53:53,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:53:53,888 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 08:53:53,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:53:53,939 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13152,13165] [2020-12-09 08:53:53,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:53:53,961 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 08:53:54,000 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13152,13165] [2020-12-09 08:53:54,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:53:54,038 INFO L208 MainTranslator]: Completed translation [2020-12-09 08:53:54,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:53:54 WrapperNode [2020-12-09 08:53:54,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:53:54,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 08:53:54,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 08:53:54,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 08:53:54,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:53:54" (1/1) ... [2020-12-09 08:53:54,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:53:54" (1/1) ... [2020-12-09 08:53:54,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 08:53:54,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 08:53:54,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 08:53:54,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 08:53:54,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:53:54" (1/1) ... [2020-12-09 08:53:54,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:53:54" (1/1) ... [2020-12-09 08:53:54,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:53:54" (1/1) ... [2020-12-09 08:53:54,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:53:54" (1/1) ... [2020-12-09 08:53:54,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:53:54" (1/1) ... [2020-12-09 08:53:54,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:53:54" (1/1) ... [2020-12-09 08:53:54,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:53:54" (1/1) ... [2020-12-09 08:53:54,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 08:53:54,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 08:53:54,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 08:53:54,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 08:53:54,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:53:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:53:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 08:53:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 08:53:54,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 08:53:54,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 08:53:55,852 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 08:53:55,853 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2020-12-09 08:53:55,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:53:55 BoogieIcfgContainer [2020-12-09 08:53:55,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 08:53:55,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 08:53:55,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 08:53:55,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 08:53:55,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:53:53" (1/3) ... [2020-12-09 08:53:55,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2c10bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:53:55, skipping insertion in model container [2020-12-09 08:53:55,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:53:54" (2/3) ... [2020-12-09 08:53:55,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2c10bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:53:55, skipping insertion in model container [2020-12-09 08:53:55,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:53:55" (3/3) ... [2020-12-09 08:53:55,865 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06.cil.c [2020-12-09 08:53:55,878 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 08:53:55,881 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-09 08:53:55,892 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-09 08:53:55,910 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 08:53:55,910 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 08:53:55,910 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 08:53:55,910 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 08:53:55,910 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 08:53:55,910 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 08:53:55,910 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 08:53:55,910 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 08:53:55,919 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-12-09 08:53:55,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 08:53:55,923 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:53:55,923 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:53:55,924 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:53:55,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:53:55,927 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2020-12-09 08:53:55,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:53:55,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478171484] [2020-12-09 08:53:55,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 08:53:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:53:56,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 08:53:56,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:53:56,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:53:56,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:53:56,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478171484] [2020-12-09 08:53:56,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:53:56,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:53:56,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64971016] [2020-12-09 08:53:56,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 08:53:56,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:53:56,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 08:53:56,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 08:53:56,151 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-12-09 08:53:56,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:53:56,178 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2020-12-09 08:53:56,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 08:53:56,179 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-09 08:53:56,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:53:56,188 INFO L225 Difference]: With dead ends: 132 [2020-12-09 08:53:56,189 INFO L226 Difference]: Without dead ends: 65 [2020-12-09 08:53:56,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 08:53:56,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-12-09 08:53:56,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-12-09 08:53:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-12-09 08:53:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-12-09 08:53:56,227 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-12-09 08:53:56,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:53:56,227 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-12-09 08:53:56,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 08:53:56,227 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-12-09 08:53:56,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 08:53:56,228 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:53:56,228 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:53:56,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 08:53:56,430 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:53:56,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:53:56,431 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2020-12-09 08:53:56,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:53:56,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473262895] [2020-12-09 08:53:56,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 08:53:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:53:56,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:53:56,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:53:56,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:53:56,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:53:56,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473262895] [2020-12-09 08:53:56,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:53:56,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:53:56,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137205264] [2020-12-09 08:53:56,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:53:56,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:53:56,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:53:56,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:53:56,683 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2020-12-09 08:53:56,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:53:56,690 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-12-09 08:53:56,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:53:56,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-09 08:53:56,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:53:56,691 INFO L225 Difference]: With dead ends: 65 [2020-12-09 08:53:56,691 INFO L226 Difference]: Without dead ends: 31 [2020-12-09 08:53:56,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:53:56,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-09 08:53:56,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-09 08:53:56,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-09 08:53:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-12-09 08:53:56,696 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-12-09 08:53:56,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:53:56,696 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-12-09 08:53:56,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:53:56,696 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-12-09 08:53:56,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 08:53:56,696 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:53:56,697 INFO L422 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] [2020-12-09 08:53:56,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 08:53:56,898 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:53:56,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:53:56,900 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2020-12-09 08:53:56,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:53:56,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1071219708] [2020-12-09 08:53:56,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 08:53:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:53:57,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:53:57,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:53:57,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:53:57,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:53:57,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1071219708] [2020-12-09 08:53:57,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:53:57,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:53:57,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79717229] [2020-12-09 08:53:57,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:53:57,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:53:57,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:53:57,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:53:57,174 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2020-12-09 08:53:57,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:53:57,200 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-12-09 08:53:57,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:53:57,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-09 08:53:57,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:53:57,202 INFO L225 Difference]: With dead ends: 56 [2020-12-09 08:53:57,202 INFO L226 Difference]: Without dead ends: 31 [2020-12-09 08:53:57,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:53:57,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-09 08:53:57,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-09 08:53:57,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-09 08:53:57,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-12-09 08:53:57,207 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-12-09 08:53:57,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:53:57,207 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-12-09 08:53:57,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:53:57,207 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-12-09 08:53:57,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 08:53:57,208 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:53:57,208 INFO L422 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] [2020-12-09 08:53:57,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 08:53:57,410 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:53:57,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:53:57,412 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2020-12-09 08:53:57,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:53:57,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158725135] [2020-12-09 08:53:57,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 08:53:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:53:57,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 08:53:57,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:53:57,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:53:57,648 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:53:57,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [158725135] [2020-12-09 08:53:57,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:53:57,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 08:53:57,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934799864] [2020-12-09 08:53:57,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 08:53:57,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:53:57,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 08:53:57,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 08:53:57,649 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2020-12-09 08:53:57,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:53:57,752 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2020-12-09 08:53:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 08:53:57,753 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-09 08:53:57,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:53:57,754 INFO L225 Difference]: With dead ends: 132 [2020-12-09 08:53:57,754 INFO L226 Difference]: Without dead ends: 107 [2020-12-09 08:53:57,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-09 08:53:57,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-09 08:53:57,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2020-12-09 08:53:57,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-12-09 08:53:57,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2020-12-09 08:53:57,766 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2020-12-09 08:53:57,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:53:57,766 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2020-12-09 08:53:57,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 08:53:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2020-12-09 08:53:57,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-09 08:53:57,767 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:53:57,768 INFO L422 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] [2020-12-09 08:53:57,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 08:53:57,969 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:53:57,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:53:57,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1414455604, now seen corresponding path program 1 times [2020-12-09 08:53:57,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:53:57,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961744942] [2020-12-09 08:53:57,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 08:53:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:53:58,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 08:53:58,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:53:58,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:53:58,256 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:53:58,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961744942] [2020-12-09 08:53:58,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:53:58,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 08:53:58,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636991992] [2020-12-09 08:53:58,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 08:53:58,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:53:58,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 08:53:58,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 08:53:58,257 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand 5 states. [2020-12-09 08:53:58,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:53:58,332 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2020-12-09 08:53:58,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 08:53:58,332 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-09 08:53:58,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:53:58,332 INFO L225 Difference]: With dead ends: 144 [2020-12-09 08:53:58,332 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 08:53:58,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 08:53:58,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 08:53:58,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 08:53:58,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 08:53:58,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 08:53:58,334 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-12-09 08:53:58,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:53:58,334 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 08:53:58,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 08:53:58,335 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 08:53:58,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 08:53:58,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 08:53:58,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 08:53:58,802 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2020-12-09 08:53:58,802 INFO L262 CegarLoopResult]: For program point L680(lines 679 726) no Hoare annotation was computed. [2020-12-09 08:53:58,802 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 08:53:58,802 INFO L258 CegarLoopResult]: At program point L631(lines 626 634) the Hoare annotation is: false [2020-12-09 08:53:58,803 INFO L258 CegarLoopResult]: At program point L631-1(lines 626 634) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:53:58,803 INFO L258 CegarLoopResult]: At program point L631-2(lines 626 634) the Hoare annotation is: false [2020-12-09 08:53:58,803 INFO L258 CegarLoopResult]: At program point L631-3(lines 626 634) the Hoare annotation is: false [2020-12-09 08:53:58,803 INFO L258 CegarLoopResult]: At program point L631-4(lines 626 634) the Hoare annotation is: false [2020-12-09 08:53:58,803 INFO L258 CegarLoopResult]: At program point L631-5(lines 626 634) the Hoare annotation is: false [2020-12-09 08:53:58,803 INFO L258 CegarLoopResult]: At program point L433(lines 1 877) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:53:58,803 INFO L262 CegarLoopResult]: For program point L681(lines 681 685) no Hoare annotation was computed. [2020-12-09 08:53:58,804 INFO L258 CegarLoopResult]: At program point L830(lines 825 833) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:53:58,804 INFO L258 CegarLoopResult]: At program point L830-1(lines 825 833) the Hoare annotation is: false [2020-12-09 08:53:58,804 INFO L258 CegarLoopResult]: At program point L830-2(lines 825 833) the Hoare annotation is: false [2020-12-09 08:53:58,804 INFO L262 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2020-12-09 08:53:58,804 INFO L265 CegarLoopResult]: At program point L533-1(lines 533 540) the Hoare annotation is: true [2020-12-09 08:53:58,804 INFO L262 CegarLoopResult]: For program point L781(lines 781 789) no Hoare annotation was computed. [2020-12-09 08:53:58,804 INFO L262 CegarLoopResult]: For program point L781-1(lines 781 789) no Hoare annotation was computed. [2020-12-09 08:53:58,804 INFO L262 CegarLoopResult]: For program point L781-2(lines 781 789) no Hoare annotation was computed. [2020-12-09 08:53:58,804 INFO L262 CegarLoopResult]: For program point L699(lines 699 705) no Hoare annotation was computed. [2020-12-09 08:53:58,804 INFO L258 CegarLoopResult]: At program point L699-1(lines 699 705) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:53:58,805 INFO L262 CegarLoopResult]: For program point L717(lines 717 721) no Hoare annotation was computed. [2020-12-09 08:53:58,805 INFO L258 CegarLoopResult]: At program point L717-2(lines 745 751) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:53:58,805 INFO L262 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed. [2020-12-09 08:53:58,805 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 08:53:58,805 INFO L258 CegarLoopResult]: At program point L752(lines 752 758) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:53:58,805 INFO L258 CegarLoopResult]: At program point L752-1(lines 752 758) the Hoare annotation is: false [2020-12-09 08:53:58,805 INFO L258 CegarLoopResult]: At program point L752-2(lines 752 758) the Hoare annotation is: false [2020-12-09 08:53:58,805 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2020-12-09 08:53:58,806 INFO L262 CegarLoopResult]: For program point L606(lines 606 610) no Hoare annotation was computed. [2020-12-09 08:53:58,806 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 08:53:58,806 INFO L258 CegarLoopResult]: At program point L441(lines 436 444) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:53:58,806 INFO L258 CegarLoopResult]: At program point L821(lines 814 824) the Hoare annotation is: false [2020-12-09 08:53:58,806 INFO L258 CegarLoopResult]: At program point L821-1(lines 814 824) the Hoare annotation is: false [2020-12-09 08:53:58,806 INFO L258 CegarLoopResult]: At program point L821-2(lines 814 824) the Hoare annotation is: false [2020-12-09 08:53:58,806 INFO L262 CegarLoopResult]: For program point L689(lines 689 695) no Hoare annotation was computed. [2020-12-09 08:53:58,806 INFO L258 CegarLoopResult]: At program point L689-1(lines 689 695) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:53:58,806 INFO L258 CegarLoopResult]: At program point L458-2(lines 458 472) the Hoare annotation is: false [2020-12-09 08:53:58,806 INFO L262 CegarLoopResult]: For program point L558(lines 558 571) no Hoare annotation was computed. [2020-12-09 08:53:58,807 INFO L258 CegarLoopResult]: At program point L558-1(lines 1 877) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:53:58,807 INFO L262 CegarLoopResult]: For program point L558-2(lines 558 571) no Hoare annotation was computed. [2020-12-09 08:53:58,807 INFO L258 CegarLoopResult]: At program point L558-3(lines 1 877) the Hoare annotation is: false [2020-12-09 08:53:58,807 INFO L262 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-12-09 08:53:58,807 INFO L262 CegarLoopResult]: For program point L558-4(lines 558 571) no Hoare annotation was computed. [2020-12-09 08:53:58,807 INFO L258 CegarLoopResult]: At program point L558-5(lines 1 877) the Hoare annotation is: false [2020-12-09 08:53:58,807 INFO L265 CegarLoopResult]: At program point L542(lines 523 545) the Hoare annotation is: true [2020-12-09 08:53:58,807 INFO L258 CegarLoopResult]: At program point L509(lines 505 511) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:53:58,807 INFO L262 CegarLoopResult]: For program point L709(lines 709 722) no Hoare annotation was computed. [2020-12-09 08:53:58,808 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 08:53:58,808 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2020-12-09 08:53:58,808 INFO L262 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2020-12-09 08:53:58,808 INFO L262 CegarLoopResult]: For program point L594-3(lines 594 598) no Hoare annotation was computed. [2020-12-09 08:53:58,808 INFO L262 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2020-12-09 08:53:58,808 INFO L262 CegarLoopResult]: For program point L462-1(lines 745 751) no Hoare annotation was computed. [2020-12-09 08:53:58,808 INFO L262 CegarLoopResult]: For program point L594-6(lines 594 598) no Hoare annotation was computed. [2020-12-09 08:53:58,808 INFO L258 CegarLoopResult]: At program point L727(lines 678 728) the Hoare annotation is: false [2020-12-09 08:53:58,808 INFO L262 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-12-09 08:53:58,808 INFO L262 CegarLoopResult]: For program point L562-2(lines 562 568) no Hoare annotation was computed. [2020-12-09 08:53:58,809 INFO L262 CegarLoopResult]: For program point L562-4(lines 562 568) no Hoare annotation was computed. [2020-12-09 08:53:58,809 INFO L262 CegarLoopResult]: For program point L777(lines 777 794) no Hoare annotation was computed. [2020-12-09 08:53:58,809 INFO L262 CegarLoopResult]: For program point L777-1(lines 777 794) no Hoare annotation was computed. [2020-12-09 08:53:58,809 INFO L262 CegarLoopResult]: For program point L777-2(lines 777 794) no Hoare annotation was computed. [2020-12-09 08:53:58,809 INFO L258 CegarLoopResult]: At program point L745(lines 744 763) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:53:58,809 INFO L262 CegarLoopResult]: For program point L745-1(lines 745 751) no Hoare annotation was computed. [2020-12-09 08:53:58,809 INFO L258 CegarLoopResult]: At program point L745-2(lines 744 763) the Hoare annotation is: false [2020-12-09 08:53:58,809 INFO L258 CegarLoopResult]: At program point L745-3(lines 744 763) the Hoare annotation is: false [2020-12-09 08:53:58,809 INFO L262 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-12-09 08:53:58,809 INFO L262 CegarLoopResult]: For program point L580-1(line 580) no Hoare annotation was computed. [2020-12-09 08:53:58,810 INFO L262 CegarLoopResult]: For program point L580-2(line 580) no Hoare annotation was computed. [2020-12-09 08:53:58,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:53:58 BoogieIcfgContainer [2020-12-09 08:53:58,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 08:53:58,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 08:53:58,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 08:53:58,826 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 08:53:58,826 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:53:55" (3/4) ... [2020-12-09 08:53:58,829 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 08:53:58,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-09 08:53:58,842 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-09 08:53:58,843 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-09 08:53:58,843 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-09 08:53:58,844 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 08:53:58,844 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:53:58,845 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:53:58,867 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-12-09 08:53:58,903 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7f6690e6-8661-4090-b19a-dac667cc8e87/bin/utaipan/witness.graphml [2020-12-09 08:53:58,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 08:53:58,904 INFO L168 Benchmark]: Toolchain (without parser) took 5283.77 ms. Allocated memory was 56.6 MB in the beginning and 86.0 MB in the end (delta: 29.4 MB). Free memory was 35.0 MB in the beginning and 39.9 MB in the end (delta: -4.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2020-12-09 08:53:58,904 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 39.0 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:53:58,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.60 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 34.7 MB in the beginning and 38.6 MB in the end (delta: -3.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 08:53:58,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.48 ms. Allocated memory is still 71.3 MB. Free memory was 38.6 MB in the beginning and 53.7 MB in the end (delta: -15.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2020-12-09 08:53:58,905 INFO L168 Benchmark]: Boogie Preprocessor took 26.56 ms. Allocated memory is still 71.3 MB. Free memory was 53.7 MB in the beginning and 51.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:53:58,905 INFO L168 Benchmark]: RCFGBuilder took 1733.92 ms. Allocated memory is still 71.3 MB. Free memory was 51.6 MB in the beginning and 32.2 MB in the end (delta: 19.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2020-12-09 08:53:58,906 INFO L168 Benchmark]: TraceAbstraction took 2965.85 ms. Allocated memory is still 86.0 MB. Free memory was 67.1 MB in the beginning and 46.2 MB in the end (delta: 20.9 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. [2020-12-09 08:53:58,906 INFO L168 Benchmark]: Witness Printer took 77.68 ms. Allocated memory is still 86.0 MB. Free memory was 46.2 MB in the beginning and 39.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 08:53:58,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 39.0 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 418.60 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 34.7 MB in the beginning and 38.6 MB in the end (delta: -3.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.48 ms. Allocated memory is still 71.3 MB. Free memory was 38.6 MB in the beginning and 53.7 MB in the end (delta: -15.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.56 ms. Allocated memory is still 71.3 MB. Free memory was 53.7 MB in the beginning and 51.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1733.92 ms. Allocated memory is still 71.3 MB. Free memory was 51.6 MB in the beginning and 32.2 MB in the end (delta: 19.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2965.85 ms. Allocated memory is still 86.0 MB. Free memory was 67.1 MB in the beginning and 46.2 MB in the end (delta: 20.9 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. * Witness Printer took 77.68 ms. Allocated memory is still 86.0 MB. Free memory was 46.2 MB in the beginning and 39.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 286 SDtfs, 290 SDslu, 233 SDs, 0 SdLazy, 53 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 155 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1450 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 68 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3325 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...