./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs --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 a6c30aab54063e9a7041df3c6eb25d78f242b5e6 ............................................................................................................................................ 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_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs --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 a6c30aab54063e9a7041df3c6eb25d78f242b5e6 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:35:24,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:35:24,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:35:24,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:35:24,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:35:24,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:35:24,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:35:24,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:35:24,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:35:24,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:35:24,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:35:24,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:35:24,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:35:24,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:35:24,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:35:24,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:35:24,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:35:24,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:35:24,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:35:24,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:35:24,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:35:24,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:35:24,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:35:24,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:35:24,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:35:24,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:35:24,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:35:24,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:35:24,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:35:24,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:35:24,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:35:24,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:35:24,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:35:24,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:35:24,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:35:24,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:35:24,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:35:24,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:35:24,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:35:24,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:35:24,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:35:24,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:35:24,987 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:35:24,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:35:24,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:35:24,991 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:35:24,991 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:35:24,992 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:35:24,992 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:35:24,992 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:35:24,992 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:35:24,993 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:35:24,994 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:35:24,994 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:35:24,994 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:35:24,994 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:35:24,995 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:35:24,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:35:24,995 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:35:24,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:35:24,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:35:24,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:35:24,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:35:24,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:35:24,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:35:24,997 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:35:24,997 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:35:24,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:35:24,997 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:35:24,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:35:24,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:35:24,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:35:24,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:35:24,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:35:24,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:35:24,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:35:24,998 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:35:24,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:35:24,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:35:24,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:35:24,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:35:24,999 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_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6c30aab54063e9a7041df3c6eb25d78f242b5e6 [2021-10-16 02:35:25,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:35:25,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:35:25,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:35:25,329 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:35:25,330 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:35:25,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2021-10-16 02:35:25,404 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/data/0756af033/0818eebc352d475c8bc8008380810547/FLAG93cf7f93a [2021-10-16 02:35:25,970 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:35:25,971 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2021-10-16 02:35:25,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/data/0756af033/0818eebc352d475c8bc8008380810547/FLAG93cf7f93a [2021-10-16 02:35:26,261 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/data/0756af033/0818eebc352d475c8bc8008380810547 [2021-10-16 02:35:26,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:35:26,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:35:26,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:35:26,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:35:26,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:35:26,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:35:26" (1/1) ... [2021-10-16 02:35:26,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@565521f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:26, skipping insertion in model container [2021-10-16 02:35:26,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:35:26" (1/1) ... [2021-10-16 02:35:26,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:35:26,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:35:26,747 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c[18431,18444] [2021-10-16 02:35:26,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:35:26,776 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) [2021-10-16 02:35:26,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34791583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:26, skipping insertion in model container [2021-10-16 02:35:26,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:35:26,777 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:35:26,780 INFO L168 Benchmark]: Toolchain (without parser) took 506.06 ms. Allocated memory is still 148.9 MB. Free memory was 111.3 MB in the beginning and 122.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:35:26,782 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 148.9 MB. Free memory is still 129.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:35:26,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.62 ms. Allocated memory is still 148.9 MB. Free memory was 111.0 MB in the beginning and 122.9 MB in the end (delta: -11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:35:26,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 148.9 MB. Free memory is still 129.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 500.62 ms. Allocated memory is still 148.9 MB. Free memory was 111.0 MB in the beginning and 122.9 MB in the end (delta: -11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 487]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:35:29,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:35:29,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:35:29,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:35:29,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:35:29,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:35:29,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:35:29,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:35:29,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:35:29,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:35:29,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:35:29,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:35:29,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:35:29,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:35:29,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:35:29,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:35:29,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:35:29,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:35:29,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:35:29,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:35:29,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:35:29,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:35:29,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:35:29,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:35:29,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:35:29,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:35:29,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:35:29,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:35:29,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:35:29,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:35:29,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:35:29,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:35:29,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:35:29,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:35:29,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:35:29,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:35:29,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:35:29,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:35:29,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:35:29,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:35:29,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:35:29,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:35:29,607 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:35:29,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:35:29,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:35:29,610 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:35:29,610 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:35:29,610 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:35:29,611 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:35:29,611 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:35:29,611 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:35:29,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:35:29,614 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:35:29,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:35:29,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:35:29,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:35:29,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:35:29,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:35:29,616 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:35:29,617 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:35:29,617 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:35:29,617 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:35:29,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:35:29,618 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:35:29,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:35:29,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:35:29,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:35:29,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:35:29,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:35:29,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:35:29,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:35:29,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:35:29,620 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:35:29,621 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:35:29,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:35:29,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:35:29,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:35:29,622 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_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6c30aab54063e9a7041df3c6eb25d78f242b5e6 [2021-10-16 02:35:30,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:35:30,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:35:30,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:35:30,139 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:35:30,140 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:35:30,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2021-10-16 02:35:30,233 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/data/cae6d8d84/c1aa34bb95cb4022a6a0a09e54db917d/FLAGbdd773f0e [2021-10-16 02:35:30,915 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:35:30,916 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2021-10-16 02:35:30,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/data/cae6d8d84/c1aa34bb95cb4022a6a0a09e54db917d/FLAGbdd773f0e [2021-10-16 02:35:31,206 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/data/cae6d8d84/c1aa34bb95cb4022a6a0a09e54db917d [2021-10-16 02:35:31,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:35:31,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:35:31,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:35:31,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:35:31,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:35:31,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:35:31" (1/1) ... [2021-10-16 02:35:31,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3681baae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:31, skipping insertion in model container [2021-10-16 02:35:31,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:35:31" (1/1) ... [2021-10-16 02:35:31,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:35:31,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:35:31,608 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c[18431,18444] [2021-10-16 02:35:31,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:35:31,637 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 02:35:31,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:35:31,720 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c[18431,18444] [2021-10-16 02:35:31,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:35:31,726 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:35:31,807 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c[18431,18444] [2021-10-16 02:35:31,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:35:31,842 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:35:31,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:31 WrapperNode [2021-10-16 02:35:31,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:35:31,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:35:31,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:35:31,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:35:31,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:31" (1/1) ... [2021-10-16 02:35:31,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:31" (1/1) ... [2021-10-16 02:35:31,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:35:31,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:35:31,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:35:31,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:35:31,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:31" (1/1) ... [2021-10-16 02:35:31,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:31" (1/1) ... [2021-10-16 02:35:31,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:31" (1/1) ... [2021-10-16 02:35:31,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:31" (1/1) ... [2021-10-16 02:35:31,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:31" (1/1) ... [2021-10-16 02:35:31,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:31" (1/1) ... [2021-10-16 02:35:31,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:31" (1/1) ... [2021-10-16 02:35:31,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:35:31,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:35:31,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:35:31,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:35:31,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:31" (1/1) ... [2021-10-16 02:35:31,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:35:32,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:35:32,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:35:32,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:35:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:35:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:35:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:35:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:35:34,759 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:35:34,759 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-16 02:35:34,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:35:34 BoogieIcfgContainer [2021-10-16 02:35:34,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:35:34,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:35:34,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:35:34,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:35:34,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:35:31" (1/3) ... [2021-10-16 02:35:34,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7a4435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:35:34, skipping insertion in model container [2021-10-16 02:35:34,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:31" (2/3) ... [2021-10-16 02:35:34,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7a4435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:35:34, skipping insertion in model container [2021-10-16 02:35:34,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:35:34" (3/3) ... [2021-10-16 02:35:34,770 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2021-10-16 02:35:34,776 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:35:34,777 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 02:35:34,832 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:35:34,839 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:35:34,839 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-16 02:35:34,862 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 115 states have (on average 1.565217391304348) internal successors, (180), 118 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:34,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-16 02:35:34,869 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:35:34,870 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:35:34,870 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:35:34,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:35:34,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1794729554, now seen corresponding path program 1 times [2021-10-16 02:35:34,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:35:34,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779880119] [2021-10-16 02:35:34,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:34,894 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:35:34,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:35:34,898 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:35:34,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:35:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:35:35,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 02:35:35,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:35:35,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:35:35,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:35:35,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:35:35,264 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:35:35,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779880119] [2021-10-16 02:35:35,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [779880119] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:35:35,265 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:35:35,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 02:35:35,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685906865] [2021-10-16 02:35:35,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:35:35,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:35:35,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:35:35,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:35:35,293 INFO L87 Difference]: Start difference. First operand has 119 states, 115 states have (on average 1.565217391304348) internal successors, (180), 118 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:35,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:35:35,326 INFO L93 Difference]: Finished difference Result 232 states and 353 transitions. [2021-10-16 02:35:35,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:35:35,327 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-16 02:35:35,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:35:35,339 INFO L225 Difference]: With dead ends: 232 [2021-10-16 02:35:35,339 INFO L226 Difference]: Without dead ends: 115 [2021-10-16 02:35:35,343 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:35:35,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-16 02:35:35,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-16 02:35:35,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 112 states have (on average 1.5) internal successors, (168), 114 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:35,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2021-10-16 02:35:35,392 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2021-10-16 02:35:35,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:35:35,393 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2021-10-16 02:35:35,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:35,394 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2021-10-16 02:35:35,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-16 02:35:35,395 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:35:35,395 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:35:35,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:35:35,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:35:35,607 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:35:35,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:35:35,608 INFO L82 PathProgramCache]: Analyzing trace with hash 529368141, now seen corresponding path program 1 times [2021-10-16 02:35:35,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:35:35,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [48105438] [2021-10-16 02:35:35,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:35,610 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:35:35,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:35:35,611 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:35:35,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:35:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:35:35,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:35:35,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:35:35,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:35:35,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:35:35,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:35:35,943 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:35:35,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [48105438] [2021-10-16 02:35:35,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [48105438] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:35:35,944 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:35:35,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:35:35,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832863413] [2021-10-16 02:35:35,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:35:35,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:35:35,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:35:35,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:35:35,947 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:35,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:35:35,976 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2021-10-16 02:35:35,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:35:35,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-16 02:35:35,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:35:35,984 INFO L225 Difference]: With dead ends: 115 [2021-10-16 02:35:35,984 INFO L226 Difference]: Without dead ends: 49 [2021-10-16 02:35:35,986 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:35:35,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-16 02:35:35,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-16 02:35:35,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:35,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-16 02:35:35,995 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2021-10-16 02:35:35,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:35:35,995 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-16 02:35:35,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:35,996 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-16 02:35:35,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-16 02:35:35,997 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:35:35,997 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:35:36,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 02:35:36,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:35:36,198 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:35:36,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:35:36,199 INFO L82 PathProgramCache]: Analyzing trace with hash -2061312917, now seen corresponding path program 1 times [2021-10-16 02:35:36,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:35:36,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569061843] [2021-10-16 02:35:36,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:36,200 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:35:36,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:35:36,201 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:35:36,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 02:35:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:35:36,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:35:36,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:35:36,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:35:36,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:35:36,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:35:36,539 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:35:36,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569061843] [2021-10-16 02:35:36,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569061843] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:35:36,540 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:35:36,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:35:36,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132854125] [2021-10-16 02:35:36,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:35:36,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:35:36,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:35:36,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:35:36,546 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:36,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:35:36,611 INFO L93 Difference]: Finished difference Result 158 states and 235 transitions. [2021-10-16 02:35:36,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:35:36,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-16 02:35:36,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:35:36,617 INFO L225 Difference]: With dead ends: 158 [2021-10-16 02:35:36,617 INFO L226 Difference]: Without dead ends: 115 [2021-10-16 02:35:36,617 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:35:36,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-16 02:35:36,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 68. [2021-10-16 02:35:36,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.492537313432836) internal successors, (100), 67 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:36,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 100 transitions. [2021-10-16 02:35:36,631 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 100 transitions. Word has length 22 [2021-10-16 02:35:36,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:35:36,632 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 100 transitions. [2021-10-16 02:35:36,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:36,632 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2021-10-16 02:35:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-16 02:35:36,633 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:35:36,633 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:35:36,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 02:35:36,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:35:36,849 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:35:36,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:35:36,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1499976397, now seen corresponding path program 1 times [2021-10-16 02:35:36,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:35:36,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321089060] [2021-10-16 02:35:36,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:36,851 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:35:36,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:35:36,852 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:35:36,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 02:35:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:35:37,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:35:37,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:35:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:35:37,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:35:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:35:37,174 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:35:37,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321089060] [2021-10-16 02:35:37,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321089060] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:35:37,174 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:35:37,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 02:35:37,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885235853] [2021-10-16 02:35:37,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:35:37,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:35:37,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:35:37,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:35:37,177 INFO L87 Difference]: Start difference. First operand 68 states and 100 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:37,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:35:37,248 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2021-10-16 02:35:37,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:35:37,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-16 02:35:37,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:35:37,250 INFO L225 Difference]: With dead ends: 151 [2021-10-16 02:35:37,250 INFO L226 Difference]: Without dead ends: 89 [2021-10-16 02:35:37,251 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:35:37,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-16 02:35:37,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-10-16 02:35:37,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.441860465116279) internal successors, (124), 86 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:37,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 124 transitions. [2021-10-16 02:35:37,265 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 124 transitions. Word has length 24 [2021-10-16 02:35:37,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:35:37,266 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 124 transitions. [2021-10-16 02:35:37,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:37,266 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2021-10-16 02:35:37,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-16 02:35:37,267 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:35:37,268 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:35:37,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 02:35:37,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:35:37,483 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:35:37,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:35:37,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1678878848, now seen corresponding path program 1 times [2021-10-16 02:35:37,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:35:37,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1026137675] [2021-10-16 02:35:37,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:37,485 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:35:37,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:35:37,486 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:35:37,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 02:35:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:35:37,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:35:37,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:35:37,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:35:37,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:35:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:35:37,954 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:35:37,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1026137675] [2021-10-16 02:35:37,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1026137675] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:35:37,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:35:37,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-16 02:35:37,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242845248] [2021-10-16 02:35:37,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 02:35:37,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:35:37,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 02:35:37,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:35:37,957 INFO L87 Difference]: Start difference. First operand 87 states and 124 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:38,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:35:38,308 INFO L93 Difference]: Finished difference Result 626 states and 919 transitions. [2021-10-16 02:35:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-16 02:35:38,309 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-16 02:35:38,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:35:38,313 INFO L225 Difference]: With dead ends: 626 [2021-10-16 02:35:38,313 INFO L226 Difference]: Without dead ends: 545 [2021-10-16 02:35:38,315 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 127.8ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-16 02:35:38,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-10-16 02:35:38,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 216. [2021-10-16 02:35:38,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.4046511627906977) internal successors, (302), 215 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:38,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 302 transitions. [2021-10-16 02:35:38,372 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 302 transitions. Word has length 25 [2021-10-16 02:35:38,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:35:38,373 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 302 transitions. [2021-10-16 02:35:38,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:38,373 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 302 transitions. [2021-10-16 02:35:38,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-16 02:35:38,381 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:35:38,381 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:35:38,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 02:35:38,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:35:38,595 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:35:38,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:35:38,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1884030316, now seen corresponding path program 1 times [2021-10-16 02:35:38,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:35:38,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549064395] [2021-10-16 02:35:38,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:38,596 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:35:38,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:35:38,597 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:35:38,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 02:35:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:35:38,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 02:35:38,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:35:39,000 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:35:39,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:35:39,175 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:35:39,176 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:35:39,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549064395] [2021-10-16 02:35:39,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [549064395] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:35:39,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [436238341] [2021-10-16 02:35:39,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:39,177 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:35:39,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:35:39,182 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:35:39,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-16 02:35:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:35:39,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:35:39,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:35:39,671 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 02:35:39,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:35:39,770 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 02:35:39,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [436238341] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:35:39,771 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 02:35:39,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-16 02:35:39,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087456702] [2021-10-16 02:35:39,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:35:39,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:35:39,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:35:39,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-16 02:35:39,776 INFO L87 Difference]: Start difference. First operand 216 states and 302 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:40,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:35:40,009 INFO L93 Difference]: Finished difference Result 510 states and 725 transitions. [2021-10-16 02:35:40,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-16 02:35:40,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-10-16 02:35:40,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:35:40,016 INFO L225 Difference]: With dead ends: 510 [2021-10-16 02:35:40,020 INFO L226 Difference]: Without dead ends: 508 [2021-10-16 02:35:40,021 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 123.8ms TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-16 02:35:40,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2021-10-16 02:35:40,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 216. [2021-10-16 02:35:40,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.3953488372093024) internal successors, (300), 215 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:40,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 300 transitions. [2021-10-16 02:35:40,058 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 300 transitions. Word has length 41 [2021-10-16 02:35:40,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:35:40,060 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 300 transitions. [2021-10-16 02:35:40,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:40,060 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 300 transitions. [2021-10-16 02:35:40,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-16 02:35:40,064 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:35:40,065 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:35:40,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-16 02:35:40,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-16 02:35:40,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 02:35:40,482 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:35:40,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:35:40,483 INFO L82 PathProgramCache]: Analyzing trace with hash -964613709, now seen corresponding path program 1 times [2021-10-16 02:35:40,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:35:40,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594161151] [2021-10-16 02:35:40,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:40,484 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:35:40,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:35:40,485 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:35:40,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-16 02:35:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:35:40,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 02:35:40,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:35:40,926 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:35:40,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:35:41,083 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:35:41,083 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:35:41,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594161151] [2021-10-16 02:35:41,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [594161151] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:35:41,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1285143004] [2021-10-16 02:35:41,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:41,084 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:35:41,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:35:41,085 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:35:41,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-16 02:35:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:35:41,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:35:41,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:35:41,562 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 02:35:41,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:35:41,672 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 02:35:41,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1285143004] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:35:41,673 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 02:35:41,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-16 02:35:41,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392342139] [2021-10-16 02:35:41,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:35:41,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:35:41,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:35:41,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-16 02:35:41,675 INFO L87 Difference]: Start difference. First operand 216 states and 300 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:41,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:35:41,790 INFO L93 Difference]: Finished difference Result 655 states and 902 transitions. [2021-10-16 02:35:41,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 02:35:41,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-10-16 02:35:41,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:35:41,794 INFO L225 Difference]: With dead ends: 655 [2021-10-16 02:35:41,794 INFO L226 Difference]: Without dead ends: 445 [2021-10-16 02:35:41,795 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 70.3ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-16 02:35:41,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2021-10-16 02:35:41,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 231. [2021-10-16 02:35:41,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 230 states have (on average 1.3695652173913044) internal successors, (315), 230 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:41,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 315 transitions. [2021-10-16 02:35:41,825 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 315 transitions. Word has length 48 [2021-10-16 02:35:41,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:35:41,826 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 315 transitions. [2021-10-16 02:35:41,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:41,826 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 315 transitions. [2021-10-16 02:35:41,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-16 02:35:41,827 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:35:41,827 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:35:41,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-16 02:35:42,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-16 02:35:42,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:35:42,230 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:35:42,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:35:42,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1357640719, now seen corresponding path program 1 times [2021-10-16 02:35:42,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:35:42,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578613916] [2021-10-16 02:35:42,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:42,232 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:35:42,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:35:42,233 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:35:42,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-16 02:35:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:35:42,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 02:35:42,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:35:42,712 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:35:42,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:35:42,900 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:35:42,900 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:35:42,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1578613916] [2021-10-16 02:35:42,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1578613916] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:35:42,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2087420206] [2021-10-16 02:35:42,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:42,901 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:35:42,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:35:42,907 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:35:42,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-16 02:35:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:35:43,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:35:43,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:35:43,447 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 02:35:43,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:35:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 02:35:43,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2087420206] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:35:43,551 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 02:35:43,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [3, 3] total 11 [2021-10-16 02:35:43,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434505942] [2021-10-16 02:35:43,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-16 02:35:43,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:35:43,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-16 02:35:43,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-16 02:35:43,553 INFO L87 Difference]: Start difference. First operand 231 states and 315 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:43,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:35:43,710 INFO L93 Difference]: Finished difference Result 612 states and 833 transitions. [2021-10-16 02:35:43,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 02:35:43,711 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-10-16 02:35:43,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:35:43,714 INFO L225 Difference]: With dead ends: 612 [2021-10-16 02:35:43,714 INFO L226 Difference]: Without dead ends: 387 [2021-10-16 02:35:43,715 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 111.0ms TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-10-16 02:35:43,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-10-16 02:35:43,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 209. [2021-10-16 02:35:43,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 208 states have (on average 1.3461538461538463) internal successors, (280), 208 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:43,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 280 transitions. [2021-10-16 02:35:43,757 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 280 transitions. Word has length 48 [2021-10-16 02:35:43,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:35:43,758 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 280 transitions. [2021-10-16 02:35:43,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:43,758 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 280 transitions. [2021-10-16 02:35:43,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-16 02:35:43,759 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:35:43,760 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:35:43,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-16 02:35:43,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-16 02:35:44,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:35:44,163 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:35:44,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:35:44,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1573662553, now seen corresponding path program 1 times [2021-10-16 02:35:44,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:35:44,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228144179] [2021-10-16 02:35:44,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:44,164 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:35:44,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:35:44,165 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:35:44,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-16 02:35:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:35:44,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:35:44,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:35:44,735 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 02:35:44,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:35:44,969 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 02:35:44,969 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:35:44,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1228144179] [2021-10-16 02:35:44,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1228144179] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:35:44,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [262010864] [2021-10-16 02:35:44,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:44,970 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:35:44,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:35:44,971 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:35:45,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-10-16 02:35:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:35:45,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-16 02:35:45,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:35:45,668 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 02:35:45,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:35:45,889 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 02:35:45,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [262010864] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:35:45,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111116541] [2021-10-16 02:35:45,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:45,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:35:45,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:35:45,892 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:35:45,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-16 02:35:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:35:46,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:35:46,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:35:46,433 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 02:35:46,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:35:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 02:35:46,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111116541] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:35:46,633 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 02:35:46,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2021-10-16 02:35:46,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775352126] [2021-10-16 02:35:46,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 02:35:46,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:35:46,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 02:35:46,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-16 02:35:46,636 INFO L87 Difference]: Start difference. First operand 209 states and 280 transitions. Second operand has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 12 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:53,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:35:53,612 INFO L93 Difference]: Finished difference Result 2512 states and 3457 transitions. [2021-10-16 02:35:53,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-16 02:35:53,612 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 12 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-10-16 02:35:53,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:35:53,629 INFO L225 Difference]: With dead ends: 2512 [2021-10-16 02:35:53,629 INFO L226 Difference]: Without dead ends: 2351 [2021-10-16 02:35:53,633 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2205 ImplicationChecksByTransitivity, 1452.8ms TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2021-10-16 02:35:53,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2351 states. [2021-10-16 02:35:53,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2351 to 351. [2021-10-16 02:35:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 350 states have (on average 1.3571428571428572) internal successors, (475), 350 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:53,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 475 transitions. [2021-10-16 02:35:53,714 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 475 transitions. Word has length 52 [2021-10-16 02:35:53,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:35:53,714 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 475 transitions. [2021-10-16 02:35:53,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 12 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 475 transitions. [2021-10-16 02:35:53,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-16 02:35:53,716 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:35:53,716 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:35:53,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-16 02:35:53,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2021-10-16 02:35:54,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-10-16 02:35:54,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:35:54,331 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:35:54,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:35:54,331 INFO L82 PathProgramCache]: Analyzing trace with hash 268972534, now seen corresponding path program 1 times [2021-10-16 02:35:54,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:35:54,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919547170] [2021-10-16 02:35:54,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:54,332 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:35:54,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:35:54,333 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:35:54,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-16 02:35:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:35:54,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:35:54,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:35:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-16 02:35:54,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:35:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-16 02:35:55,187 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:35:55,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919547170] [2021-10-16 02:35:55,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919547170] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:35:55,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:35:55,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-16 02:35:55,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724251329] [2021-10-16 02:35:55,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 02:35:55,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:35:55,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 02:35:55,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:35:55,189 INFO L87 Difference]: Start difference. First operand 351 states and 475 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:55,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:35:55,267 INFO L93 Difference]: Finished difference Result 628 states and 838 transitions. [2021-10-16 02:35:55,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:35:55,268 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-10-16 02:35:55,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:35:55,268 INFO L225 Difference]: With dead ends: 628 [2021-10-16 02:35:55,269 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 02:35:55,270 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 52.1ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-16 02:35:55,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 02:35:55,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 02:35:55,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 02:35:55,271 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2021-10-16 02:35:55,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:35:55,271 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 02:35:55,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:35:55,272 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 02:35:55,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 02:35:55,275 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:35:55,276 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:35:55,276 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:35:55,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-16 02:35:55,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:35:55,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 02:35:55,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:55,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:55,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:55,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:55,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:55,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:55,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:55,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:55,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:55,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:56,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:56,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:56,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:56,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:57,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:58,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:58,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:58,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:58,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:58,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:36:05,872 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-10-16 02:36:05,872 INFO L857 garLoopResultBuilder]: For program point L234(lines 234 251) no Hoare annotation was computed. [2021-10-16 02:36:05,872 INFO L857 garLoopResultBuilder]: For program point L234-1(lines 234 251) no Hoare annotation was computed. [2021-10-16 02:36:05,872 INFO L857 garLoopResultBuilder]: For program point L234-2(lines 234 251) no Hoare annotation was computed. [2021-10-16 02:36:05,872 INFO L857 garLoopResultBuilder]: For program point L401(lines 400 449) no Hoare annotation was computed. [2021-10-16 02:36:05,873 INFO L857 garLoopResultBuilder]: For program point L963(line 963) no Hoare annotation was computed. [2021-10-16 02:36:05,873 INFO L857 garLoopResultBuilder]: For program point L963-1(line 963) no Hoare annotation was computed. [2021-10-16 02:36:05,873 INFO L857 garLoopResultBuilder]: For program point L963-2(line 963) no Hoare annotation was computed. [2021-10-16 02:36:05,873 INFO L857 garLoopResultBuilder]: For program point L402(lines 402 406) no Hoare annotation was computed. [2021-10-16 02:36:05,873 INFO L857 garLoopResultBuilder]: For program point L369(lines 369 375) no Hoare annotation was computed. [2021-10-16 02:36:05,873 INFO L853 garLoopResultBuilder]: At program point L369-1(lines 369 375) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2))) [2021-10-16 02:36:05,873 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2021-10-16 02:36:05,873 INFO L857 garLoopResultBuilder]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2021-10-16 02:36:05,873 INFO L857 garLoopResultBuilder]: For program point L336-3(lines 336 340) no Hoare annotation was computed. [2021-10-16 02:36:05,874 INFO L857 garLoopResultBuilder]: For program point L336-5(lines 336 340) no Hoare annotation was computed. [2021-10-16 02:36:05,874 INFO L857 garLoopResultBuilder]: For program point L336-6(lines 336 340) no Hoare annotation was computed. [2021-10-16 02:36:05,874 INFO L857 garLoopResultBuilder]: For program point L336-8(lines 336 340) no Hoare annotation was computed. [2021-10-16 02:36:05,874 INFO L857 garLoopResultBuilder]: For program point L336-9(lines 336 340) no Hoare annotation was computed. [2021-10-16 02:36:05,874 INFO L857 garLoopResultBuilder]: For program point L336-11(lines 336 340) no Hoare annotation was computed. [2021-10-16 02:36:05,874 INFO L857 garLoopResultBuilder]: For program point L336-12(lines 336 340) no Hoare annotation was computed. [2021-10-16 02:36:05,874 INFO L857 garLoopResultBuilder]: For program point L336-14(lines 336 340) no Hoare annotation was computed. [2021-10-16 02:36:05,874 INFO L857 garLoopResultBuilder]: For program point L336-15(lines 336 340) no Hoare annotation was computed. [2021-10-16 02:36:05,875 INFO L857 garLoopResultBuilder]: For program point L336-17(lines 336 340) no Hoare annotation was computed. [2021-10-16 02:36:05,875 INFO L857 garLoopResultBuilder]: For program point L238(lines 238 246) no Hoare annotation was computed. [2021-10-16 02:36:05,875 INFO L857 garLoopResultBuilder]: For program point L238-1(lines 238 246) no Hoare annotation was computed. [2021-10-16 02:36:05,875 INFO L857 garLoopResultBuilder]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2021-10-16 02:36:05,875 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 444) no Hoare annotation was computed. [2021-10-16 02:36:05,875 INFO L853 garLoopResultBuilder]: At program point L438-1(lines 176 182) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))))) [2021-10-16 02:36:05,876 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2021-10-16 02:36:05,876 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2021-10-16 02:36:05,876 INFO L857 garLoopResultBuilder]: For program point L141-2(lines 141 147) no Hoare annotation was computed. [2021-10-16 02:36:05,876 INFO L857 garLoopResultBuilder]: For program point L141-3(lines 141 147) no Hoare annotation was computed. [2021-10-16 02:36:05,876 INFO L857 garLoopResultBuilder]: For program point L141-4(lines 141 147) no Hoare annotation was computed. [2021-10-16 02:36:05,877 INFO L857 garLoopResultBuilder]: For program point L141-5(lines 141 147) no Hoare annotation was computed. [2021-10-16 02:36:05,877 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-10-16 02:36:05,877 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 225) no Hoare annotation was computed. [2021-10-16 02:36:05,877 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 208 225) no Hoare annotation was computed. [2021-10-16 02:36:05,877 INFO L857 garLoopResultBuilder]: For program point L208-2(lines 208 225) no Hoare annotation was computed. [2021-10-16 02:36:05,877 INFO L857 garLoopResultBuilder]: For program point L208-3(lines 208 225) no Hoare annotation was computed. [2021-10-16 02:36:05,878 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2021-10-16 02:36:05,878 INFO L857 garLoopResultBuilder]: For program point L208-4(lines 208 225) no Hoare annotation was computed. [2021-10-16 02:36:05,878 INFO L857 garLoopResultBuilder]: For program point L208-5(lines 208 225) no Hoare annotation was computed. [2021-10-16 02:36:05,878 INFO L853 garLoopResultBuilder]: At program point L836-2(lines 836 850) the Hoare annotation is: false [2021-10-16 02:36:05,878 INFO L853 garLoopResultBuilder]: At program point L176(lines 175 194) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse3))) [2021-10-16 02:36:05,879 INFO L857 garLoopResultBuilder]: For program point L176-1(lines 176 182) no Hoare annotation was computed. [2021-10-16 02:36:05,879 INFO L853 garLoopResultBuilder]: At program point L176-2(lines 175 194) the Hoare annotation is: false [2021-10-16 02:36:05,879 INFO L853 garLoopResultBuilder]: At program point L176-3(lines 175 194) the Hoare annotation is: false [2021-10-16 02:36:05,879 INFO L857 garLoopResultBuilder]: For program point L837(line 837) no Hoare annotation was computed. [2021-10-16 02:36:05,879 INFO L853 garLoopResultBuilder]: At program point L342(lines 327 345) the Hoare annotation is: false [2021-10-16 02:36:05,879 INFO L853 garLoopResultBuilder]: At program point L342-1(lines 327 345) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv1 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-10-16 02:36:05,879 INFO L853 garLoopResultBuilder]: At program point L342-2(lines 327 345) the Hoare annotation is: false [2021-10-16 02:36:05,880 INFO L853 garLoopResultBuilder]: At program point L342-3(lines 327 345) the Hoare annotation is: false [2021-10-16 02:36:05,880 INFO L853 garLoopResultBuilder]: At program point L342-4(lines 327 345) the Hoare annotation is: false [2021-10-16 02:36:05,880 INFO L853 garLoopResultBuilder]: At program point L342-5(lines 327 345) the Hoare annotation is: false [2021-10-16 02:36:05,880 INFO L857 garLoopResultBuilder]: For program point L410(lines 410 416) no Hoare annotation was computed. [2021-10-16 02:36:05,880 INFO L853 garLoopResultBuilder]: At program point L410-1(lines 410 416) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse8 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv1 32)) .cse4) (and .cse0 .cse5 .cse1 .cse7 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse8 .cse4))) [2021-10-16 02:36:05,881 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 220) no Hoare annotation was computed. [2021-10-16 02:36:05,881 INFO L857 garLoopResultBuilder]: For program point L212-1(lines 212 220) no Hoare annotation was computed. [2021-10-16 02:36:05,881 INFO L853 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: false [2021-10-16 02:36:05,881 INFO L857 garLoopResultBuilder]: For program point L212-2(lines 212 220) no Hoare annotation was computed. [2021-10-16 02:36:05,881 INFO L853 garLoopResultBuilder]: At program point L146-1(lines 137 150) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-10-16 02:36:05,881 INFO L857 garLoopResultBuilder]: For program point L212-3(lines 212 220) no Hoare annotation was computed. [2021-10-16 02:36:05,881 INFO L853 garLoopResultBuilder]: At program point L146-2(lines 137 150) the Hoare annotation is: false [2021-10-16 02:36:05,881 INFO L857 garLoopResultBuilder]: For program point L212-4(lines 212 220) no Hoare annotation was computed. [2021-10-16 02:36:05,881 INFO L853 garLoopResultBuilder]: At program point L146-3(lines 137 150) the Hoare annotation is: false [2021-10-16 02:36:05,881 INFO L857 garLoopResultBuilder]: For program point L212-5(lines 212 220) no Hoare annotation was computed. [2021-10-16 02:36:05,881 INFO L853 garLoopResultBuilder]: At program point L146-4(lines 137 150) the Hoare annotation is: false [2021-10-16 02:36:05,882 INFO L853 garLoopResultBuilder]: At program point L146-5(lines 137 150) the Hoare annotation is: false [2021-10-16 02:36:05,882 INFO L857 garLoopResultBuilder]: For program point L840(lines 840 844) no Hoare annotation was computed. [2021-10-16 02:36:05,882 INFO L857 garLoopResultBuilder]: For program point L840-1(lines 176 182) no Hoare annotation was computed. [2021-10-16 02:36:05,882 INFO L853 garLoopResultBuilder]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 .cse1 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-10-16 02:36:05,882 INFO L853 garLoopResultBuilder]: At program point L183-1(lines 183 189) the Hoare annotation is: false [2021-10-16 02:36:05,882 INFO L853 garLoopResultBuilder]: At program point L183-2(lines 183 189) the Hoare annotation is: false [2021-10-16 02:36:05,882 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 989) no Hoare annotation was computed. [2021-10-16 02:36:05,882 INFO L853 garLoopResultBuilder]: At program point L976-1(lines 1 992) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse7 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv1 32)) .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse3 .cse7) (and .cse0 .cse5 .cse6 .cse1 .cse7 .cse4))) [2021-10-16 02:36:05,882 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 917) no Hoare annotation was computed. [2021-10-16 02:36:05,882 INFO L857 garLoopResultBuilder]: For program point L976-2(lines 976 989) no Hoare annotation was computed. [2021-10-16 02:36:05,883 INFO L853 garLoopResultBuilder]: At program point L976-3(lines 1 992) the Hoare annotation is: false [2021-10-16 02:36:05,883 INFO L860 garLoopResultBuilder]: At program point L910-1(lines 910 917) the Hoare annotation is: true [2021-10-16 02:36:05,883 INFO L857 garLoopResultBuilder]: For program point L976-4(lines 976 989) no Hoare annotation was computed. [2021-10-16 02:36:05,883 INFO L853 garLoopResultBuilder]: At program point L976-5(lines 1 992) the Hoare annotation is: false [2021-10-16 02:36:05,883 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 02:36:05,883 INFO L853 garLoopResultBuilder]: At program point L450(lines 399 451) the Hoare annotation is: false [2021-10-16 02:36:05,883 INFO L853 garLoopResultBuilder]: At program point L946(lines 1 992) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 02:36:05,883 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 92) no Hoare annotation was computed. [2021-10-16 02:36:05,884 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 986) no Hoare annotation was computed. [2021-10-16 02:36:05,884 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 986) no Hoare annotation was computed. [2021-10-16 02:36:05,884 INFO L857 garLoopResultBuilder]: For program point L980-4(lines 980 986) no Hoare annotation was computed. [2021-10-16 02:36:05,884 INFO L853 garLoopResultBuilder]: At program point L287(lines 282 290) the Hoare annotation is: false [2021-10-16 02:36:05,884 INFO L853 garLoopResultBuilder]: At program point L287-1(lines 282 290) the Hoare annotation is: false [2021-10-16 02:36:05,884 INFO L853 garLoopResultBuilder]: At program point L287-2(lines 282 290) the Hoare annotation is: false [2021-10-16 02:36:05,884 INFO L857 garLoopResultBuilder]: For program point L420(lines 420 426) no Hoare annotation was computed. [2021-10-16 02:36:05,884 INFO L853 garLoopResultBuilder]: At program point L420-1(lines 420 426) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse8 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv1 32)) .cse4) (and .cse0 .cse5 .cse1 .cse7 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse8 .cse4))) [2021-10-16 02:36:05,884 INFO L853 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-10-16 02:36:05,884 INFO L853 garLoopResultBuilder]: At program point L156-1(lines 151 159) the Hoare annotation is: false [2021-10-16 02:36:05,885 INFO L853 garLoopResultBuilder]: At program point L156-2(lines 151 159) the Hoare annotation is: false [2021-10-16 02:36:05,885 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 359) no Hoare annotation was computed. [2021-10-16 02:36:05,885 INFO L857 garLoopResultBuilder]: For program point L355-2(lines 355 359) no Hoare annotation was computed. [2021-10-16 02:36:05,885 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 02:36:05,885 INFO L857 garLoopResultBuilder]: For program point L355-3(lines 355 359) no Hoare annotation was computed. [2021-10-16 02:36:05,885 INFO L857 garLoopResultBuilder]: For program point L355-5(lines 355 359) no Hoare annotation was computed. [2021-10-16 02:36:05,885 INFO L857 garLoopResultBuilder]: For program point L355-6(lines 355 359) no Hoare annotation was computed. [2021-10-16 02:36:05,885 INFO L857 garLoopResultBuilder]: For program point L355-8(lines 355 359) no Hoare annotation was computed. [2021-10-16 02:36:05,885 INFO L853 garLoopResultBuilder]: At program point L884(lines 880 886) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 02:36:05,886 INFO L860 garLoopResultBuilder]: At program point L919(lines 900 922) the Hoare annotation is: true [2021-10-16 02:36:05,886 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 02:36:05,886 INFO L853 garLoopResultBuilder]: At program point L954(lines 949 957) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 02:36:05,886 INFO L853 garLoopResultBuilder]: At program point L361(lines 346 364) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~3 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-10-16 02:36:05,886 INFO L853 garLoopResultBuilder]: At program point L361-1(lines 346 364) the Hoare annotation is: false [2021-10-16 02:36:05,886 INFO L853 garLoopResultBuilder]: At program point L361-2(lines 346 364) the Hoare annotation is: false [2021-10-16 02:36:05,886 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2021-10-16 02:36:05,886 INFO L857 garLoopResultBuilder]: For program point L64-3(lines 64 68) no Hoare annotation was computed. [2021-10-16 02:36:05,886 INFO L857 garLoopResultBuilder]: For program point L64-6(lines 64 68) no Hoare annotation was computed. [2021-10-16 02:36:05,887 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 02:36:05,887 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-10-16 02:36:05,887 INFO L857 garLoopResultBuilder]: For program point L430(lines 430 445) no Hoare annotation was computed. [2021-10-16 02:36:05,887 INFO L853 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse2) (and .cse0 .cse3 .cse4 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse1 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-10-16 02:36:05,887 INFO L853 garLoopResultBuilder]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2021-10-16 02:36:05,887 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2021-10-16 02:36:05,892 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:36:05,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:36:05 BoogieIcfgContainer [2021-10-16 02:36:05,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:36:05,929 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:36:05,929 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:36:05,929 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:36:05,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:35:34" (3/4) ... [2021-10-16 02:36:05,933 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:36:05,965 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-16 02:36:05,970 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-16 02:36:05,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-16 02:36:05,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-16 02:36:05,973 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-16 02:36:05,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:36:05,975 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:36:06,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-16 02:36:06,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-16 02:36:06,013 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) [2021-10-16 02:36:06,013 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) [2021-10-16 02:36:06,014 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) [2021-10-16 02:36:06,014 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) [2021-10-16 02:36:06,015 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:36:06,015 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-16 02:36:06,015 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:36:06,016 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-16 02:36:06,017 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) [2021-10-16 02:36:06,019 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-16 02:36:06,019 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && \result == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) [2021-10-16 02:36:06,020 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 1bv32) && tmp == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-16 02:36:06,099 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:36:06,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:36:06,101 INFO L168 Benchmark]: Toolchain (without parser) took 34889.08 ms. Allocated memory was 65.0 MB in the beginning and 142.6 MB in the end (delta: 77.6 MB). Free memory was 43.2 MB in the beginning and 113.9 MB in the end (delta: -70.7 MB). Peak memory consumption was 86.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:36:06,101 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 65.0 MB. Free memory is still 45.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:36:06,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.81 ms. Allocated memory is still 65.0 MB. Free memory was 43.0 MB in the beginning and 32.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:36:06,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.15 ms. Allocated memory is still 65.0 MB. Free memory was 32.0 MB in the beginning and 28.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:36:06,103 INFO L168 Benchmark]: Boogie Preprocessor took 65.74 ms. Allocated memory was 65.0 MB in the beginning and 96.5 MB in the end (delta: 31.5 MB). Free memory was 28.1 MB in the beginning and 76.6 MB in the end (delta: -48.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:36:06,104 INFO L168 Benchmark]: RCFGBuilder took 2776.46 ms. Allocated memory is still 96.5 MB. Free memory was 76.6 MB in the beginning and 51.8 MB in the end (delta: 24.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:36:06,104 INFO L168 Benchmark]: TraceAbstraction took 31165.03 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 51.6 MB in the beginning and 42.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 68.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:36:06,105 INFO L168 Benchmark]: Witness Printer took 170.08 ms. Allocated memory is still 142.6 MB. Free memory was 42.3 MB in the beginning and 113.9 MB in the end (delta: -71.6 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:36:06,108 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 65.0 MB. Free memory is still 45.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 630.81 ms. Allocated memory is still 65.0 MB. Free memory was 43.0 MB in the beginning and 32.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.15 ms. Allocated memory is still 65.0 MB. Free memory was 32.0 MB in the beginning and 28.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.74 ms. Allocated memory was 65.0 MB in the beginning and 96.5 MB in the end (delta: 31.5 MB). Free memory was 28.1 MB in the beginning and 76.6 MB in the end (delta: -48.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2776.46 ms. Allocated memory is still 96.5 MB. Free memory was 76.6 MB in the beginning and 51.8 MB in the end (delta: 24.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 31165.03 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 51.6 MB in the beginning and 42.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 68.1 MB. Max. memory is 16.1 GB. * Witness Printer took 170.08 ms. Allocated memory is still 142.6 MB. Free memory was 42.3 MB in the beginning and 113.9 MB in the end (delta: -71.6 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 31061.3ms, OverallIterations: 10, TraceHistogramMax: 3, EmptinessCheckTime: 31.1ms, AutomataDifference: 8223.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 10378.3ms, InitialAbstractionConstructionTime: 17.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1212 SDtfs, 3773 SDslu, 4119 SDs, 0 SdLazy, 875 SolverSat, 169 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5379.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1277 GetRequests, 1142 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2266 ImplicationChecksByTransitivity, 1959.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=351occurred in iteration=9, InterpolantAutomatonStates: 125, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 313.9ms AutomataMinimizationTime, 10 MinimizatonAttempts, 3062 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 159 NumberOfFragments, 717 HoareAnnotationTreeSize, 44 FomulaSimplifications, 529567 FormulaSimplificationTreeSizeReduction, 2644.0ms HoareSimplificationTime, 44 FomulaSimplificationsInter, 337799 FormulaSimplificationTreeSizeReductionInter, 7718.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 340.2ms SsaConstructionTime, 1519.9ms SatisfiabilityAnalysisTime, 4488.4ms InterpolantComputationTime, 607 NumberOfCodeBlocks, 607 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1184 ConstructedInterpolants, 0 QuantifiedInterpolants, 2534 SizeOfPredicates, 31 NumberOfNonLiveVariables, 3333 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 30 InterpolantComputations, 18 PerfectInterpolantSequences, 276/354 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && \result == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 1bv32) && tmp == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-16 02:36:06,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381f1ce1-cf1c-4ecd-9b86-de56f75447bb/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...