./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.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_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI --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 3df8d35662b819e3a4d212ebbe7a52d191ed1c2f ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI --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 3df8d35662b819e3a4d212ebbe7a52d191ed1c2f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:28,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:28,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:28,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:28,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:28,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:28,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:28,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:28,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:28,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:28,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:28,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:28,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:28,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:28,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:28,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:28,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:28,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:28,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:28,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:28,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:28,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:28,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:28,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:28,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:28,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:28,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:28,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:28,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:28,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:28,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:28,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:28,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:28,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:28,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:28,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:28,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:28,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:28,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:28,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:28,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:28,959 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:30:28,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:28,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:29,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:29,000 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:29,001 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:29,001 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:29,001 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:29,001 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:29,002 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:29,002 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:29,003 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:29,003 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:29,003 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:29,004 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:29,004 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:29,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:29,005 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:29,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:29,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:29,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:29,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:29,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:29,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:29,007 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:29,007 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:29,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:29,007 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:29,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:29,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:29,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:29,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:29,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:29,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:29,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:29,011 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:29,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:29,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:29,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:29,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:29,012 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df8d35662b819e3a4d212ebbe7a52d191ed1c2f [2021-10-11 02:30:29,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:29,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:29,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:29,279 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:29,288 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:29,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-10-11 02:30:29,389 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/data/f57b831e6/40eed55a45424c569afd6d797415faf6/FLAG2afd4b2a5 [2021-10-11 02:30:29,854 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:29,856 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-10-11 02:30:29,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/data/f57b831e6/40eed55a45424c569afd6d797415faf6/FLAG2afd4b2a5 [2021-10-11 02:30:30,338 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/data/f57b831e6/40eed55a45424c569afd6d797415faf6 [2021-10-11 02:30:30,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:30,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:30,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:30,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:30,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:30,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:30" (1/1) ... [2021-10-11 02:30:30,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d64e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:30, skipping insertion in model container [2021-10-11 02:30:30,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:30" (1/1) ... [2021-10-11 02:30:30,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:30,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:30,691 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[14789,14802] [2021-10-11 02:30:30,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:30,730 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:30:30,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47e1109c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:30, skipping insertion in model container [2021-10-11 02:30:30,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:30,731 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:30,740 INFO L168 Benchmark]: Toolchain (without parser) took 389.01 ms. Allocated memory is still 94.4 MB. Free memory was 59.8 MB in the beginning and 66.7 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:30,742 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 94.4 MB. Free memory was 49.1 MB in the beginning and 49.1 MB in the end (delta: 22.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:30,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.37 ms. Allocated memory is still 94.4 MB. Free memory was 59.6 MB in the beginning and 66.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:30,746 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 94.4 MB. Free memory was 49.1 MB in the beginning and 49.1 MB in the end (delta: 22.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 386.37 ms. Allocated memory is still 94.4 MB. Free memory was 59.6 MB in the beginning and 66.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 345]: 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 [2021-10-11 02:30:33,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:33,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:33,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:33,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:33,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:33,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:33,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:33,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:33,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:33,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:33,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:33,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:33,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:33,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:33,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:33,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:33,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:33,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:33,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:33,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:33,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:33,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:33,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:33,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:33,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:33,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:33,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:33,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:33,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:33,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:33,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:33,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:33,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:33,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:33,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:33,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:33,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:33,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:33,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:33,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:33,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:30:33,177 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:33,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:33,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:33,178 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:33,179 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:33,179 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:33,179 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:33,179 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:33,180 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:33,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:33,181 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:33,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:33,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:33,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:33,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:33,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:33,182 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:33,182 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:33,182 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:33,183 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:33,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:33,183 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:33,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:33,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:33,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:33,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:33,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:33,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:33,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:33,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:33,185 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:33,185 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:33,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:33,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:33,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:33,186 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df8d35662b819e3a4d212ebbe7a52d191ed1c2f [2021-10-11 02:30:33,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:33,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:33,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:33,620 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:33,621 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:33,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-10-11 02:30:33,685 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/data/75bb28d2c/891bcdccb3ad42439399e6c9c99df4b1/FLAG50b45f2d3 [2021-10-11 02:30:34,203 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:34,204 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-10-11 02:30:34,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/data/75bb28d2c/891bcdccb3ad42439399e6c9c99df4b1/FLAG50b45f2d3 [2021-10-11 02:30:34,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/data/75bb28d2c/891bcdccb3ad42439399e6c9c99df4b1 [2021-10-11 02:30:34,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:34,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:34,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:34,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:34,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:34,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:34" (1/1) ... [2021-10-11 02:30:34,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d55826a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:34, skipping insertion in model container [2021-10-11 02:30:34,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:34" (1/1) ... [2021-10-11 02:30:34,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:34,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:34,975 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[14789,14802] [2021-10-11 02:30:34,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:35,012 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:30:35,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:35,080 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[14789,14802] [2021-10-11 02:30:35,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:35,099 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:35,165 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[14789,14802] [2021-10-11 02:30:35,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:35,207 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:35,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:35 WrapperNode [2021-10-11 02:30:35,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:35,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:35,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:35,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:35,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:35" (1/1) ... [2021-10-11 02:30:35,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:35" (1/1) ... [2021-10-11 02:30:35,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:35,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:35,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:35,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:35,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:35" (1/1) ... [2021-10-11 02:30:35,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:35" (1/1) ... [2021-10-11 02:30:35,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:35" (1/1) ... [2021-10-11 02:30:35,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:35" (1/1) ... [2021-10-11 02:30:35,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:35" (1/1) ... [2021-10-11 02:30:35,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:35" (1/1) ... [2021-10-11 02:30:35,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:35" (1/1) ... [2021-10-11 02:30:35,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:35,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:35,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:35,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:35,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:35" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:30:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:30:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:35,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:37,842 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:37,843 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-11 02:30:37,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:37 BoogieIcfgContainer [2021-10-11 02:30:37,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:37,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:37,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:37,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:37,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:34" (1/3) ... [2021-10-11 02:30:37,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2204150a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:37, skipping insertion in model container [2021-10-11 02:30:37,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:35" (2/3) ... [2021-10-11 02:30:37,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2204150a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:37, skipping insertion in model container [2021-10-11 02:30:37,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:37" (3/3) ... [2021-10-11 02:30:37,853 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2021-10-11 02:30:37,866 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:37,869 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:30:37,880 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:30:37,904 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:37,904 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:37,904 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:37,904 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:37,905 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:37,905 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:37,905 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:37,905 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:37,919 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2021-10-11 02:30:37,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:30:37,925 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:37,925 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:37,926 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:37,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:37,932 INFO L82 PathProgramCache]: Analyzing trace with hash 2048364516, now seen corresponding path program 1 times [2021-10-11 02:30:37,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:37,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [10394532] [2021-10-11 02:30:37,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:30:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:38,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:30:38,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:38,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:38,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:38,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [10394532] [2021-10-11 02:30:38,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:38,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:38,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818963315] [2021-10-11 02:30:38,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:30:38,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:38,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:30:38,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:38,353 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2021-10-11 02:30:38,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:38,397 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2021-10-11 02:30:38,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:30:38,399 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:30:38,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:38,414 INFO L225 Difference]: With dead ends: 155 [2021-10-11 02:30:38,414 INFO L226 Difference]: Without dead ends: 77 [2021-10-11 02:30:38,417 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:38,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-11 02:30:38,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-10-11 02:30:38,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-10-11 02:30:38,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2021-10-11 02:30:38,464 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2021-10-11 02:30:38,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:38,464 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2021-10-11 02:30:38,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:30:38,465 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2021-10-11 02:30:38,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:30:38,467 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:38,467 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:38,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:38,680 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:38,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:38,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1829528547, now seen corresponding path program 1 times [2021-10-11 02:30:38,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:38,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1646932278] [2021-10-11 02:30:38,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:30:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:38,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:38,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:38,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:38,935 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:38,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1646932278] [2021-10-11 02:30:38,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:38,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:38,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176250167] [2021-10-11 02:30:38,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:38,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:38,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:38,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:38,939 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2021-10-11 02:30:38,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:38,949 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2021-10-11 02:30:38,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:38,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:30:38,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:38,951 INFO L225 Difference]: With dead ends: 77 [2021-10-11 02:30:38,951 INFO L226 Difference]: Without dead ends: 37 [2021-10-11 02:30:38,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:38,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-11 02:30:38,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-10-11 02:30:38,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-10-11 02:30:38,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2021-10-11 02:30:38,957 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2021-10-11 02:30:38,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:38,958 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2021-10-11 02:30:38,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:38,958 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2021-10-11 02:30:38,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:30:38,959 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:38,959 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] [2021-10-11 02:30:39,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:39,178 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:39,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:39,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1633990848, now seen corresponding path program 1 times [2021-10-11 02:30:39,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:39,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715391976] [2021-10-11 02:30:39,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:30:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:39,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:39,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:39,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:39,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:39,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715391976] [2021-10-11 02:30:39,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:39,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:39,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758574796] [2021-10-11 02:30:39,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:39,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:39,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:39,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:39,423 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2021-10-11 02:30:39,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:39,467 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2021-10-11 02:30:39,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:39,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:30:39,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:39,469 INFO L225 Difference]: With dead ends: 97 [2021-10-11 02:30:39,469 INFO L226 Difference]: Without dead ends: 67 [2021-10-11 02:30:39,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:39,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-11 02:30:39,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2021-10-11 02:30:39,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-10-11 02:30:39,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2021-10-11 02:30:39,480 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2021-10-11 02:30:39,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:39,481 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2021-10-11 02:30:39,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:39,481 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2021-10-11 02:30:39,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:30:39,482 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:39,482 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, 1] [2021-10-11 02:30:39,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:39,699 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:39,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:39,699 INFO L82 PathProgramCache]: Analyzing trace with hash 584858649, now seen corresponding path program 1 times [2021-10-11 02:30:39,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:39,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879605167] [2021-10-11 02:30:39,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:30:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:39,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:39,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:39,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:39,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:39,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879605167] [2021-10-11 02:30:39,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:39,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:39,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663920540] [2021-10-11 02:30:39,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:39,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:39,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:39,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:39,987 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2021-10-11 02:30:40,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:40,139 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2021-10-11 02:30:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:30:40,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:30:40,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:40,147 INFO L225 Difference]: With dead ends: 303 [2021-10-11 02:30:40,147 INFO L226 Difference]: Without dead ends: 247 [2021-10-11 02:30:40,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:30:40,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-10-11 02:30:40,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2021-10-11 02:30:40,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2021-10-11 02:30:40,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2021-10-11 02:30:40,179 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2021-10-11 02:30:40,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:40,181 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2021-10-11 02:30:40,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:40,181 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2021-10-11 02:30:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:30:40,187 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:40,187 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, 1, 1] [2021-10-11 02:30:40,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:30:40,402 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:40,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:40,403 INFO L82 PathProgramCache]: Analyzing trace with hash 690628753, now seen corresponding path program 1 times [2021-10-11 02:30:40,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:40,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [948322009] [2021-10-11 02:30:40,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:30:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:40,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:40,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:40,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:40,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:40,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [948322009] [2021-10-11 02:30:40,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:40,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:40,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651481867] [2021-10-11 02:30:40,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:40,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:40,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:40,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:40,645 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2021-10-11 02:30:40,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:40,759 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2021-10-11 02:30:40,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:30:40,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 02:30:40,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:40,760 INFO L225 Difference]: With dead ends: 307 [2021-10-11 02:30:40,760 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:30:40,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:30:40,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:30:40,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:30:40,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:30:40,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:30:40,763 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-11 02:30:40,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:40,763 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:30:40,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:40,763 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:30:40,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:30:40,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:40,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:30:41,440 INFO L262 CegarLoopResult]: For program point L134-6(lines 134 138) no Hoare annotation was computed. [2021-10-11 02:30:41,440 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2021-10-11 02:30:41,441 INFO L258 CegarLoopResult]: At program point L779(lines 779 785) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:41,441 INFO L258 CegarLoopResult]: At program point L779-1(lines 779 785) the Hoare annotation is: false [2021-10-11 02:30:41,441 INFO L258 CegarLoopResult]: At program point L779-2(lines 779 785) the Hoare annotation is: false [2021-10-11 02:30:41,441 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:30:41,441 INFO L258 CegarLoopResult]: At program point L912(lines 897 915) the Hoare annotation is: false [2021-10-11 02:30:41,441 INFO L258 CegarLoopResult]: At program point L912-1(lines 897 915) the Hoare annotation is: false [2021-10-11 02:30:41,442 INFO L258 CegarLoopResult]: At program point L912-2(lines 897 915) the Hoare annotation is: false [2021-10-11 02:30:41,442 INFO L262 CegarLoopResult]: For program point L714(lines 714 720) no Hoare annotation was computed. [2021-10-11 02:30:41,442 INFO L258 CegarLoopResult]: At program point L714-1(lines 714 720) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:41,442 INFO L262 CegarLoopResult]: For program point L303(lines 303 310) no Hoare annotation was computed. [2021-10-11 02:30:41,442 INFO L265 CegarLoopResult]: At program point L303-1(lines 303 310) the Hoare annotation is: true [2021-10-11 02:30:41,443 INFO L258 CegarLoopResult]: At program point L171(lines 166 174) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:41,443 INFO L258 CegarLoopResult]: At program point L171-1(lines 166 174) the Hoare annotation is: false [2021-10-11 02:30:41,443 INFO L258 CegarLoopResult]: At program point L171-2(lines 166 174) the Hoare annotation is: false [2021-10-11 02:30:41,443 INFO L262 CegarLoopResult]: For program point L734(lines 734 749) no Hoare annotation was computed. [2021-10-11 02:30:41,448 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:30:41,448 INFO L262 CegarLoopResult]: For program point L158(lines 158 162) no Hoare annotation was computed. [2021-10-11 02:30:41,449 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2021-10-11 02:30:41,449 INFO L262 CegarLoopResult]: For program point L687(line 687) no Hoare annotation was computed. [2021-10-11 02:30:41,450 INFO L262 CegarLoopResult]: For program point L687-1(line 687) no Hoare annotation was computed. [2021-10-11 02:30:41,450 INFO L258 CegarLoopResult]: At program point L109(lines 1 938) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:41,450 INFO L262 CegarLoopResult]: For program point L687-2(line 687) no Hoare annotation was computed. [2021-10-11 02:30:41,450 INFO L258 CegarLoopResult]: At program point L754(lines 703 755) the Hoare annotation is: false [2021-10-11 02:30:41,451 INFO L262 CegarLoopResult]: For program point L804(lines 804 821) no Hoare annotation was computed. [2021-10-11 02:30:41,451 INFO L262 CegarLoopResult]: For program point L804-1(lines 804 821) no Hoare annotation was computed. [2021-10-11 02:30:41,452 INFO L262 CegarLoopResult]: For program point L804-2(lines 804 821) no Hoare annotation was computed. [2021-10-11 02:30:41,452 INFO L262 CegarLoopResult]: For program point L705(lines 704 753) no Hoare annotation was computed. [2021-10-11 02:30:41,453 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:30:41,453 INFO L262 CegarLoopResult]: For program point L920(lines 920 926) no Hoare annotation was computed. [2021-10-11 02:30:41,453 INFO L258 CegarLoopResult]: At program point L920-1(lines 920 926) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:41,453 INFO L258 CegarLoopResult]: At program point L772(lines 771 790) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:41,453 INFO L262 CegarLoopResult]: For program point L772-1(lines 772 778) no Hoare annotation was computed. [2021-10-11 02:30:41,453 INFO L262 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2021-10-11 02:30:41,453 INFO L258 CegarLoopResult]: At program point L772-2(lines 771 790) the Hoare annotation is: false [2021-10-11 02:30:41,454 INFO L258 CegarLoopResult]: At program point L772-3(lines 771 790) the Hoare annotation is: false [2021-10-11 02:30:41,454 INFO L262 CegarLoopResult]: For program point L62(lines 62 79) no Hoare annotation was computed. [2021-10-11 02:30:41,454 INFO L258 CegarLoopResult]: At program point L62-1(lines 1 938) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:41,454 INFO L262 CegarLoopResult]: For program point L62-2(lines 62 79) no Hoare annotation was computed. [2021-10-11 02:30:41,454 INFO L258 CegarLoopResult]: At program point L62-3(lines 1 938) the Hoare annotation is: false [2021-10-11 02:30:41,454 INFO L262 CegarLoopResult]: For program point L62-4(lines 62 79) no Hoare annotation was computed. [2021-10-11 02:30:41,454 INFO L258 CegarLoopResult]: At program point L62-5(lines 1 938) the Hoare annotation is: false [2021-10-11 02:30:41,455 INFO L258 CegarLoopResult]: At program point L278(lines 274 280) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:41,455 INFO L262 CegarLoopResult]: For program point L724(lines 724 730) no Hoare annotation was computed. [2021-10-11 02:30:41,455 INFO L258 CegarLoopResult]: At program point L212(lines 207 215) the Hoare annotation is: false [2021-10-11 02:30:41,455 INFO L258 CegarLoopResult]: At program point L724-1(lines 724 730) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:41,455 INFO L258 CegarLoopResult]: At program point L212-1(lines 207 215) the Hoare annotation is: false [2021-10-11 02:30:41,455 INFO L262 CegarLoopResult]: For program point L146(lines 146 150) no Hoare annotation was computed. [2021-10-11 02:30:41,455 INFO L258 CegarLoopResult]: At program point L212-2(lines 207 215) the Hoare annotation is: false [2021-10-11 02:30:41,455 INFO L262 CegarLoopResult]: For program point L906(lines 906 910) no Hoare annotation was computed. [2021-10-11 02:30:41,456 INFO L262 CegarLoopResult]: For program point L906-2(lines 906 910) no Hoare annotation was computed. [2021-10-11 02:30:41,456 INFO L262 CegarLoopResult]: For program point L906-3(lines 906 910) no Hoare annotation was computed. [2021-10-11 02:30:41,456 INFO L262 CegarLoopResult]: For program point L906-5(lines 906 910) no Hoare annotation was computed. [2021-10-11 02:30:41,456 INFO L262 CegarLoopResult]: For program point L906-6(lines 906 910) no Hoare annotation was computed. [2021-10-11 02:30:41,456 INFO L258 CegarLoopResult]: At program point L229-2(lines 229 243) the Hoare annotation is: false [2021-10-11 02:30:41,456 INFO L262 CegarLoopResult]: For program point L906-8(lines 906 910) no Hoare annotation was computed. [2021-10-11 02:30:41,457 INFO L258 CegarLoopResult]: At program point L857(lines 852 860) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:41,457 INFO L258 CegarLoopResult]: At program point L857-1(lines 852 860) the Hoare annotation is: false [2021-10-11 02:30:41,457 INFO L265 CegarLoopResult]: At program point L312(lines 293 315) the Hoare annotation is: true [2021-10-11 02:30:41,457 INFO L258 CegarLoopResult]: At program point L857-2(lines 852 860) the Hoare annotation is: false [2021-10-11 02:30:41,457 INFO L262 CegarLoopResult]: For program point L808(lines 808 816) no Hoare annotation was computed. [2021-10-11 02:30:41,457 INFO L262 CegarLoopResult]: For program point L808-1(lines 808 816) no Hoare annotation was computed. [2021-10-11 02:30:41,457 INFO L262 CegarLoopResult]: For program point L742(lines 742 748) no Hoare annotation was computed. [2021-10-11 02:30:41,458 INFO L262 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2021-10-11 02:30:41,459 INFO L262 CegarLoopResult]: For program point L808-2(lines 808 816) no Hoare annotation was computed. [2021-10-11 02:30:41,460 INFO L258 CegarLoopResult]: At program point L742-1(lines 772 778) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:30:41,460 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:30:41,460 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2021-10-11 02:30:41,460 INFO L262 CegarLoopResult]: For program point L66(lines 66 76) no Hoare annotation was computed. [2021-10-11 02:30:41,460 INFO L262 CegarLoopResult]: For program point L66-2(lines 66 76) no Hoare annotation was computed. [2021-10-11 02:30:41,460 INFO L262 CegarLoopResult]: For program point L66-4(lines 66 76) no Hoare annotation was computed. [2021-10-11 02:30:41,460 INFO L262 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-10-11 02:30:41,460 INFO L262 CegarLoopResult]: For program point L67-2(lines 67 73) no Hoare annotation was computed. [2021-10-11 02:30:41,461 INFO L262 CegarLoopResult]: For program point L67-4(lines 67 73) no Hoare annotation was computed. [2021-10-11 02:30:41,461 INFO L258 CegarLoopResult]: At program point L117(lines 112 120) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:41,461 INFO L258 CegarLoopResult]: At program point L51(lines 46 53) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:41,461 INFO L262 CegarLoopResult]: For program point L233(lines 233 237) no Hoare annotation was computed. [2021-10-11 02:30:41,461 INFO L262 CegarLoopResult]: For program point L233-1(lines 772 778) no Hoare annotation was computed. [2021-10-11 02:30:41,461 INFO L262 CegarLoopResult]: For program point L134(lines 134 138) no Hoare annotation was computed. [2021-10-11 02:30:41,461 INFO L262 CegarLoopResult]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2021-10-11 02:30:41,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:41 BoogieIcfgContainer [2021-10-11 02:30:41,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:41,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:41,495 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:41,495 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:41,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:37" (3/4) ... [2021-10-11 02:30:41,499 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:30:41,521 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:30:41,522 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:30:41,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:30:41,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:30:41,524 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:30:41,525 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:41,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:41,558 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:30:41,621 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba7f92ba-4901-48bf-9d9a-2d540628cbba/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:41,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:41,623 INFO L168 Benchmark]: Toolchain (without parser) took 7100.68 ms. Allocated memory was 67.1 MB in the beginning and 121.6 MB in the end (delta: 54.5 MB). Free memory was 45.8 MB in the beginning and 72.7 MB in the end (delta: -27.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:41,623 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 67.1 MB. Free memory is still 48.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:41,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.33 ms. Allocated memory is still 67.1 MB. Free memory was 45.5 MB in the beginning and 32.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:41,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.96 ms. Allocated memory is still 67.1 MB. Free memory was 32.5 MB in the beginning and 29.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:41,625 INFO L168 Benchmark]: Boogie Preprocessor took 99.24 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 29.4 MB in the beginning and 69.6 MB in the end (delta: -40.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:41,625 INFO L168 Benchmark]: RCFGBuilder took 2474.74 ms. Allocated memory is still 88.1 MB. Free memory was 69.6 MB in the beginning and 39.8 MB in the end (delta: 29.9 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:41,625 INFO L168 Benchmark]: TraceAbstraction took 3648.23 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 39.2 MB in the beginning and 79.0 MB in the end (delta: -39.8 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:41,626 INFO L168 Benchmark]: Witness Printer took 126.20 ms. Allocated memory is still 121.6 MB. Free memory was 79.0 MB in the beginning and 72.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:41,628 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 67.1 MB. Free memory is still 48.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 683.33 ms. Allocated memory is still 67.1 MB. Free memory was 45.5 MB in the beginning and 32.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.96 ms. Allocated memory is still 67.1 MB. Free memory was 32.5 MB in the beginning and 29.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.24 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 29.4 MB in the beginning and 69.6 MB in the end (delta: -40.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2474.74 ms. Allocated memory is still 88.1 MB. Free memory was 69.6 MB in the beginning and 39.8 MB in the end (delta: 29.9 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3648.23 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 39.2 MB in the beginning and 79.0 MB in the end (delta: -39.8 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. * Witness Printer took 126.20 ms. Allocated memory is still 121.6 MB. Free memory was 79.0 MB in the beginning and 72.7 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: 687]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 687]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 687]: 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: 852]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 349 SDslu, 369 SDs, 0 SdLazy, 49 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=4, 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, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 134 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2909 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 3909 SizeOfPredicates, 7 NumberOfNonLiveVariables, 991 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...