./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8 --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 03daf3415808298ae6016bdc33e04662b3dd63f1cba0029f4033bbf040a042d2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:46:51,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:46:51,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:46:51,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:46:51,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:46:51,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:46:51,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:46:51,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:46:51,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:46:51,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:46:51,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:46:51,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:46:51,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:46:51,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:46:51,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:46:51,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:46:51,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:46:51,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:46:51,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:46:51,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:46:51,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:46:51,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:46:51,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:46:51,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:46:51,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:46:51,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:46:51,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:46:51,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:46:51,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:46:51,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:46:51,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:46:51,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:46:51,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:46:51,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:46:51,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:46:51,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:46:51,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:46:51,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:46:51,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:46:51,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:46:51,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:46:51,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:46:51,833 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:46:51,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:46:51,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:46:51,836 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:46:51,836 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:46:51,837 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:46:51,837 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:46:51,845 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:46:51,846 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:46:51,846 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:46:51,848 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:46:51,848 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:46:51,848 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:46:51,849 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:46:51,849 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:46:51,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:46:51,850 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:46:51,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:46:51,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:46:51,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:46:51,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:46:51,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:46:51,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:46:51,852 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:46:51,852 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:46:51,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:46:51,853 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:46:51,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:46:51,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:46:51,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:46:51,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:46:51,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:46:51,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:46:51,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:46:51,858 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:46:51,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:46:51,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:46:51,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:46:51,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:46:51,859 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_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03daf3415808298ae6016bdc33e04662b3dd63f1cba0029f4033bbf040a042d2 [2021-11-07 01:46:52,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:46:52,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:46:52,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:46:52,265 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:46:52,266 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:46:52,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2021-11-07 01:46:52,346 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/data/50c6427fa/3e395b2d35bb44b383965901ace8161e/FLAG278830cf0 [2021-11-07 01:46:53,011 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:46:53,011 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2021-11-07 01:46:53,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/data/50c6427fa/3e395b2d35bb44b383965901ace8161e/FLAG278830cf0 [2021-11-07 01:46:53,237 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/data/50c6427fa/3e395b2d35bb44b383965901ace8161e [2021-11-07 01:46:53,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:46:53,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:46:53,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:46:53,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:46:53,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:46:53,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:46:53" (1/1) ... [2021-11-07 01:46:53,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed4f440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:53, skipping insertion in model container [2021-11-07 01:46:53,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:46:53" (1/1) ... [2021-11-07 01:46:53,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:46:53,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:46:53,713 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_0cc8701c-3f9d-4f40-971a-97fbc1491b95/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c[17338,17351] [2021-11-07 01:46:53,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:46:53,741 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) [2021-11-07 01:46:53,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b4b80b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:53, skipping insertion in model container [2021-11-07 01:46:53,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:46:53,743 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:46:53,746 INFO L168 Benchmark]: Toolchain (without parser) took 501.74 ms. Allocated memory is still 127.9 MB. Free memory was 89.9 MB in the beginning and 100.4 MB in the end (delta: -10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:46:53,747 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 127.9 MB. Free memory was 107.5 MB in the beginning and 107.4 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:46:53,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.29 ms. Allocated memory is still 127.9 MB. Free memory was 89.7 MB in the beginning and 100.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:46:53,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 127.9 MB. Free memory was 107.5 MB in the beginning and 107.4 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 498.29 ms. Allocated memory is still 127.9 MB. Free memory was 89.7 MB in the beginning and 100.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 337]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8 --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 03daf3415808298ae6016bdc33e04662b3dd63f1cba0029f4033bbf040a042d2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:46:56,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:46:56,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:46:56,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:46:56,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:46:56,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:46:56,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:46:56,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:46:56,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:46:56,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:46:56,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:46:56,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:46:56,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:46:56,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:46:56,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:46:56,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:46:56,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:46:56,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:46:56,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:46:56,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:46:56,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:46:56,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:46:56,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:46:56,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:46:56,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:46:56,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:46:56,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:46:56,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:46:56,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:46:56,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:46:56,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:46:56,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:46:56,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:46:56,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:46:56,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:46:56,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:46:56,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:46:56,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:46:56,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:46:56,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:46:56,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:46:56,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:46:56,646 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:46:56,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:46:56,648 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:46:56,648 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:46:56,649 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:46:56,649 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:46:56,649 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:46:56,650 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:46:56,650 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:46:56,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:46:56,651 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:46:56,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:46:56,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:46:56,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:46:56,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:46:56,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:46:56,653 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:46:56,653 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:46:56,654 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:46:56,654 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:46:56,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:46:56,658 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:46:56,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:46:56,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:46:56,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:46:56,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:46:56,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:46:56,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:46:56,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:46:56,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:46:56,662 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:46:56,662 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:46:56,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:46:56,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:46:56,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:46:56,663 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_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03daf3415808298ae6016bdc33e04662b3dd63f1cba0029f4033bbf040a042d2 [2021-11-07 01:46:57,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:46:57,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:46:57,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:46:57,161 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:46:57,163 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:46:57,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2021-11-07 01:46:57,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/data/2bfd8baa7/cdf8102eb1064cdcab3d178d0e736fa1/FLAG56e1f6550 [2021-11-07 01:46:58,072 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:46:58,073 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2021-11-07 01:46:58,093 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/data/2bfd8baa7/cdf8102eb1064cdcab3d178d0e736fa1/FLAG56e1f6550 [2021-11-07 01:46:58,351 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/data/2bfd8baa7/cdf8102eb1064cdcab3d178d0e736fa1 [2021-11-07 01:46:58,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:46:58,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:46:58,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:46:58,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:46:58,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:46:58,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:46:58" (1/1) ... [2021-11-07 01:46:58,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27241956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:58, skipping insertion in model container [2021-11-07 01:46:58,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:46:58" (1/1) ... [2021-11-07 01:46:58,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:46:58,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:46:58,793 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_0cc8701c-3f9d-4f40-971a-97fbc1491b95/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c[17338,17351] [2021-11-07 01:46:58,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:46:58,826 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:46:58,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:46:58,900 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_0cc8701c-3f9d-4f40-971a-97fbc1491b95/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c[17338,17351] [2021-11-07 01:46:58,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:46:58,927 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:46:59,043 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_0cc8701c-3f9d-4f40-971a-97fbc1491b95/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c[17338,17351] [2021-11-07 01:46:59,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:46:59,129 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:46:59,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:59 WrapperNode [2021-11-07 01:46:59,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:46:59,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:46:59,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:46:59,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:46:59,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:59" (1/1) ... [2021-11-07 01:46:59,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:59" (1/1) ... [2021-11-07 01:46:59,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:46:59,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:46:59,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:46:59,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:46:59,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:59" (1/1) ... [2021-11-07 01:46:59,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:59" (1/1) ... [2021-11-07 01:46:59,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:59" (1/1) ... [2021-11-07 01:46:59,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:59" (1/1) ... [2021-11-07 01:46:59,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:59" (1/1) ... [2021-11-07 01:46:59,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:59" (1/1) ... [2021-11-07 01:46:59,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:59" (1/1) ... [2021-11-07 01:46:59,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:46:59,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:46:59,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:46:59,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:46:59,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:59" (1/1) ... [2021-11-07 01:46:59,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:46:59,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:46:59,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:46:59,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:46:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:46:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:46:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:46:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:47:02,601 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:47:02,601 INFO L299 CfgBuilder]: Removed 282 assume(true) statements. [2021-11-07 01:47:02,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:47:02 BoogieIcfgContainer [2021-11-07 01:47:02,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:47:02,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:47:02,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:47:02,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:47:02,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:46:58" (1/3) ... [2021-11-07 01:47:02,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0311ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:47:02, skipping insertion in model container [2021-11-07 01:47:02,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:59" (2/3) ... [2021-11-07 01:47:02,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0311ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:47:02, skipping insertion in model container [2021-11-07 01:47:02,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:47:02" (3/3) ... [2021-11-07 01:47:02,630 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2021-11-07 01:47:02,637 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:47:02,637 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:47:02,697 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:47:02,704 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:47:02,704 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:47:02,731 INFO L276 IsEmpty]: Start isEmpty. Operand has 191 states, 187 states have (on average 1.5561497326203209) internal successors, (291), 190 states have internal predecessors, (291), 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) [2021-11-07 01:47:02,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:47:02,739 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:02,740 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:02,740 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:02,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:02,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1937289636, now seen corresponding path program 1 times [2021-11-07 01:47:02,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:47:02,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305813955] [2021-11-07 01:47:02,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:02,766 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:47:02,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:47:02,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:47:02,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:47:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:03,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:47:03,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:03,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:03,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:03,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:03,268 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:47:03,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305813955] [2021-11-07 01:47:03,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305813955] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:03,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:47:03,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:47:03,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697450904] [2021-11-07 01:47:03,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:47:03,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:47:03,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:47:03,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:47:03,306 INFO L87 Difference]: Start difference. First operand has 191 states, 187 states have (on average 1.5561497326203209) internal successors, (291), 190 states have internal predecessors, (291), 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) [2021-11-07 01:47:03,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:03,386 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2021-11-07 01:47:03,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:47:03,388 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 [2021-11-07 01:47:03,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:03,418 INFO L225 Difference]: With dead ends: 376 [2021-11-07 01:47:03,418 INFO L226 Difference]: Without dead ends: 187 [2021-11-07 01:47:03,424 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:47:03,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-07 01:47:03,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2021-11-07 01:47:03,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 184 states have (on average 1.516304347826087) internal successors, (279), 186 states have internal predecessors, (279), 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) [2021-11-07 01:47:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2021-11-07 01:47:03,517 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2021-11-07 01:47:03,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:03,518 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2021-11-07 01:47:03,518 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) [2021-11-07 01:47:03,519 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2021-11-07 01:47:03,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:47:03,521 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:03,521 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:03,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:03,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:47:03,737 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:03,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:03,738 INFO L85 PathProgramCache]: Analyzing trace with hash 890532739, now seen corresponding path program 1 times [2021-11-07 01:47:03,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:47:03,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101770696] [2021-11-07 01:47:03,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:03,740 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:47:03,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:47:03,743 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:47:03,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:47:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:03,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:47:03,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:04,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:04,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:04,155 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:47:04,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [101770696] [2021-11-07 01:47:04,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [101770696] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:04,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:47:04,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:47:04,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966301070] [2021-11-07 01:47:04,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:47:04,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:47:04,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:47:04,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:47:04,167 INFO L87 Difference]: Start difference. First operand 187 states and 279 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) [2021-11-07 01:47:04,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:04,208 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2021-11-07 01:47:04,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:47:04,209 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 [2021-11-07 01:47:04,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:04,213 INFO L225 Difference]: With dead ends: 187 [2021-11-07 01:47:04,213 INFO L226 Difference]: Without dead ends: 73 [2021-11-07 01:47:04,217 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:47:04,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-07 01:47:04,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-11-07 01:47:04,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.5) internal successors, (108), 72 states have internal predecessors, (108), 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) [2021-11-07 01:47:04,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2021-11-07 01:47:04,229 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2021-11-07 01:47:04,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:04,230 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2021-11-07 01:47:04,230 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) [2021-11-07 01:47:04,230 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2021-11-07 01:47:04,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:47:04,240 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:04,246 INFO L513 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] [2021-11-07 01:47:04,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:04,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:47:04,447 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:04,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:04,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1577730230, now seen corresponding path program 1 times [2021-11-07 01:47:04,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:47:04,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912480880] [2021-11-07 01:47:04,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:04,449 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:47:04,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:47:04,451 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:47:04,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:47:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:04,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:47:04,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:04,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:04,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:04,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:04,905 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:47:04,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [912480880] [2021-11-07 01:47:04,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [912480880] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:04,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:47:04,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:47:04,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246773171] [2021-11-07 01:47:04,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:47:04,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:47:04,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:47:04,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:47:04,908 INFO L87 Difference]: Start difference. First operand 73 states and 108 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) [2021-11-07 01:47:04,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:04,967 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2021-11-07 01:47:04,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:47:04,968 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 [2021-11-07 01:47:04,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:04,970 INFO L225 Difference]: With dead ends: 230 [2021-11-07 01:47:04,970 INFO L226 Difference]: Without dead ends: 163 [2021-11-07 01:47:04,971 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:47:04,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-11-07 01:47:04,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 92. [2021-11-07 01:47:04,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.5054945054945055) internal successors, (137), 91 states have internal predecessors, (137), 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) [2021-11-07 01:47:04,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 137 transitions. [2021-11-07 01:47:04,985 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 137 transitions. Word has length 22 [2021-11-07 01:47:04,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:04,986 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 137 transitions. [2021-11-07 01:47:04,986 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) [2021-11-07 01:47:04,986 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2021-11-07 01:47:04,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:47:04,988 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:04,988 INFO L513 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] [2021-11-07 01:47:05,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:05,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:47:05,203 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:05,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:05,204 INFO L85 PathProgramCache]: Analyzing trace with hash 792163456, now seen corresponding path program 1 times [2021-11-07 01:47:05,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:47:05,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642948562] [2021-11-07 01:47:05,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:05,206 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:47:05,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:47:05,207 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:47:05,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:47:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:05,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:47:05,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:05,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:05,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:05,744 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:47:05,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1642948562] [2021-11-07 01:47:05,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1642948562] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:05,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:47:05,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:47:05,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23129660] [2021-11-07 01:47:05,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:47:05,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:47:05,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:47:05,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:47:05,747 INFO L87 Difference]: Start difference. First operand 92 states and 137 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2021-11-07 01:47:05,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:05,830 INFO L93 Difference]: Finished difference Result 187 states and 280 transitions. [2021-11-07 01:47:05,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:47:05,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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 25 [2021-11-07 01:47:05,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:05,832 INFO L225 Difference]: With dead ends: 187 [2021-11-07 01:47:05,832 INFO L226 Difference]: Without dead ends: 101 [2021-11-07 01:47:05,833 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:47:05,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-07 01:47:05,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2021-11-07 01:47:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.4387755102040816) internal successors, (141), 98 states have internal predecessors, (141), 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) [2021-11-07 01:47:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2021-11-07 01:47:05,845 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 25 [2021-11-07 01:47:05,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:05,846 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2021-11-07 01:47:05,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2021-11-07 01:47:05,846 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2021-11-07 01:47:05,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:47:05,847 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:05,848 INFO L513 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] [2021-11-07 01:47:05,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:06,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:47:06,067 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:06,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:06,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1022954699, now seen corresponding path program 1 times [2021-11-07 01:47:06,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:47:06,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694475287] [2021-11-07 01:47:06,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:06,069 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:47:06,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:47:06,070 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:47:06,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:47:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:06,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:47:06,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:06,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:06,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:06,607 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:47:06,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694475287] [2021-11-07 01:47:06,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694475287] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:06,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:47:06,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:47:06,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381745830] [2021-11-07 01:47:06,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:47:06,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:47:06,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:47:06,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:47:06,609 INFO L87 Difference]: Start difference. First operand 99 states and 141 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) [2021-11-07 01:47:07,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:07,039 INFO L93 Difference]: Finished difference Result 736 states and 1074 transitions. [2021-11-07 01:47:07,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:47:07,040 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 [2021-11-07 01:47:07,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:07,045 INFO L225 Difference]: With dead ends: 736 [2021-11-07 01:47:07,045 INFO L226 Difference]: Without dead ends: 643 [2021-11-07 01:47:07,046 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:47:07,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2021-11-07 01:47:07,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 241. [2021-11-07 01:47:07,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 240 states have (on average 1.4041666666666666) internal successors, (337), 240 states have internal predecessors, (337), 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) [2021-11-07 01:47:07,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 337 transitions. [2021-11-07 01:47:07,086 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 337 transitions. Word has length 25 [2021-11-07 01:47:07,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:07,095 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 337 transitions. [2021-11-07 01:47:07,095 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) [2021-11-07 01:47:07,095 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 337 transitions. [2021-11-07 01:47:07,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 01:47:07,098 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:07,098 INFO L513 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] [2021-11-07 01:47:07,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:07,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:47:07,311 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:07,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:07,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1387630177, now seen corresponding path program 1 times [2021-11-07 01:47:07,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:47:07,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [362799533] [2021-11-07 01:47:07,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:07,313 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:47:07,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:47:07,314 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:47:07,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:47:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:07,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:47:07,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:07,768 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:07,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:08,021 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:08,022 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:47:08,022 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [362799533] [2021-11-07 01:47:08,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [362799533] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:08,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1909063162] [2021-11-07 01:47:08,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:08,023 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:47:08,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:47:08,030 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:47:08,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-07 01:47:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:08,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:47:08,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:08,552 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:47:08,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:08,674 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:47:08,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1909063162] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:08,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:47:08,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-11-07 01:47:08,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600819340] [2021-11-07 01:47:08,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:47:08,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:47:08,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:47:08,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:47:08,676 INFO L87 Difference]: Start difference. First operand 241 states and 337 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) [2021-11-07 01:47:08,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:08,988 INFO L93 Difference]: Finished difference Result 585 states and 830 transitions. [2021-11-07 01:47:08,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:47:08,989 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 [2021-11-07 01:47:08,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:08,994 INFO L225 Difference]: With dead ends: 585 [2021-11-07 01:47:08,994 INFO L226 Difference]: Without dead ends: 583 [2021-11-07 01:47:08,995 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:47:08,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2021-11-07 01:47:09,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 241. [2021-11-07 01:47:09,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 240 states have (on average 1.3958333333333333) internal successors, (335), 240 states have internal predecessors, (335), 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) [2021-11-07 01:47:09,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 335 transitions. [2021-11-07 01:47:09,053 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 335 transitions. Word has length 41 [2021-11-07 01:47:09,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:09,053 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 335 transitions. [2021-11-07 01:47:09,054 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) [2021-11-07 01:47:09,054 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 335 transitions. [2021-11-07 01:47:09,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 01:47:09,056 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:09,057 INFO L513 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, 1] [2021-11-07 01:47:09,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:09,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-07 01:47:09,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:47:09,460 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:09,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:09,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1418461636, now seen corresponding path program 1 times [2021-11-07 01:47:09,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:47:09,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1255055979] [2021-11-07 01:47:09,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:09,462 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:47:09,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:47:09,472 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:47:09,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:47:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:09,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:47:09,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:10,023 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:10,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:10,240 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:47:10,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1255055979] [2021-11-07 01:47:10,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1255055979] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:10,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [863287504] [2021-11-07 01:47:10,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:10,240 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:47:10,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:47:10,242 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:47:10,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-11-07 01:47:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:10,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:47:10,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:10,913 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:47:10,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:11,032 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:47:11,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [863287504] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:11,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:47:11,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-11-07 01:47:11,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803972771] [2021-11-07 01:47:11,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:47:11,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:47:11,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:47:11,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:47:11,035 INFO L87 Difference]: Start difference. First operand 241 states and 335 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:11,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:11,201 INFO L93 Difference]: Finished difference Result 717 states and 986 transitions. [2021-11-07 01:47:11,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:47:11,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-07 01:47:11,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:11,210 INFO L225 Difference]: With dead ends: 717 [2021-11-07 01:47:11,211 INFO L226 Difference]: Without dead ends: 482 [2021-11-07 01:47:11,215 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:47:11,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-11-07 01:47:11,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 262. [2021-11-07 01:47:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 261 states have (on average 1.3639846743295019) internal successors, (356), 261 states have internal predecessors, (356), 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) [2021-11-07 01:47:11,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 356 transitions. [2021-11-07 01:47:11,266 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 356 transitions. Word has length 49 [2021-11-07 01:47:11,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:11,268 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 356 transitions. [2021-11-07 01:47:11,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:11,268 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 356 transitions. [2021-11-07 01:47:11,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 01:47:11,270 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:11,270 INFO L513 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, 1] [2021-11-07 01:47:11,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:11,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:11,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:47:11,674 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:11,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:11,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1811488646, now seen corresponding path program 1 times [2021-11-07 01:47:11,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:47:11,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299509517] [2021-11-07 01:47:11,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:11,677 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:47:11,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:47:11,678 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:47:11,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:47:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:12,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:47:12,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:12,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:12,479 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:47:12,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [299509517] [2021-11-07 01:47:12,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [299509517] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:12,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1333266645] [2021-11-07 01:47:12,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:12,480 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:47:12,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:47:12,487 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:47:12,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-07 01:47:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:12,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:47:12,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:13,189 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:47:13,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:13,336 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:47:13,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1333266645] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:13,336 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:47:13,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [3, 3] total 11 [2021-11-07 01:47:13,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961437367] [2021-11-07 01:47:13,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:47:13,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:47:13,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:47:13,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:47:13,339 INFO L87 Difference]: Start difference. First operand 262 states and 356 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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) [2021-11-07 01:47:13,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:13,517 INFO L93 Difference]: Finished difference Result 681 states and 922 transitions. [2021-11-07 01:47:13,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:47:13,518 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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 49 [2021-11-07 01:47:13,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:13,521 INFO L225 Difference]: With dead ends: 681 [2021-11-07 01:47:13,522 INFO L226 Difference]: Without dead ends: 425 [2021-11-07 01:47:13,523 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-11-07 01:47:13,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-11-07 01:47:13,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 239. [2021-11-07 01:47:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 238 states have (on average 1.3361344537815125) internal successors, (318), 238 states have internal predecessors, (318), 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) [2021-11-07 01:47:13,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 318 transitions. [2021-11-07 01:47:13,575 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 318 transitions. Word has length 49 [2021-11-07 01:47:13,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:13,575 INFO L470 AbstractCegarLoop]: Abstraction has 239 states and 318 transitions. [2021-11-07 01:47:13,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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) [2021-11-07 01:47:13,576 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 318 transitions. [2021-11-07 01:47:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 01:47:13,577 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:13,577 INFO L513 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, 1, 1, 1, 1, 1] [2021-11-07 01:47:13,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:13,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:13,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:47:13,994 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:13,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:13,994 INFO L85 PathProgramCache]: Analyzing trace with hash 2138901984, now seen corresponding path program 1 times [2021-11-07 01:47:13,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:47:13,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334728947] [2021-11-07 01:47:13,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:13,995 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:47:13,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:47:13,996 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:47:13,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 01:47:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:14,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:47:14,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:14,696 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:47:14,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:47:14,966 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:47:14,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334728947] [2021-11-07 01:47:14,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334728947] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:14,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1248095055] [2021-11-07 01:47:14,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:14,967 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:47:14,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:47:14,975 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:47:14,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-11-07 01:47:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:15,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 01:47:15,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:15,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:47:15,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:16,196 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:47:16,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1248095055] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:16,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945499986] [2021-11-07 01:47:16,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:16,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:16,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:16,199 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:16,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-07 01:47:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:16,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:47:16,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:16,959 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:47:16,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:17,199 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:47:17,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945499986] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:17,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:47:17,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2021-11-07 01:47:17,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667842911] [2021-11-07 01:47:17,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 01:47:17,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:47:17,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 01:47:17,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:47:17,202 INFO L87 Difference]: Start difference. First operand 239 states and 318 transitions. Second operand has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 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) [2021-11-07 01:47:25,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:25,117 INFO L93 Difference]: Finished difference Result 2973 states and 4035 transitions. [2021-11-07 01:47:25,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-11-07 01:47:25,118 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 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 57 [2021-11-07 01:47:25,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:25,138 INFO L225 Difference]: With dead ends: 2973 [2021-11-07 01:47:25,138 INFO L226 Difference]: Without dead ends: 2783 [2021-11-07 01:47:25,142 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2233 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2021-11-07 01:47:25,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2783 states. [2021-11-07 01:47:25,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2783 to 401. [2021-11-07 01:47:25,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 400 states have (on average 1.3475) internal successors, (539), 400 states have internal predecessors, (539), 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) [2021-11-07 01:47:25,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 539 transitions. [2021-11-07 01:47:25,238 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 539 transitions. Word has length 57 [2021-11-07 01:47:25,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:25,239 INFO L470 AbstractCegarLoop]: Abstraction has 401 states and 539 transitions. [2021-11-07 01:47:25,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 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) [2021-11-07 01:47:25,240 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 539 transitions. [2021-11-07 01:47:25,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 01:47:25,241 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:25,242 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:25,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:25,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:25,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:25,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:25,855 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:47:25,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:25,856 INFO L85 PathProgramCache]: Analyzing trace with hash 185051981, now seen corresponding path program 1 times [2021-11-07 01:47:25,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:47:25,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504907617] [2021-11-07 01:47:25,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:25,857 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:47:25,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:47:25,858 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:47:25,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 01:47:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:26,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:47:26,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:26,722 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:47:26,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:26,971 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:47:26,971 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:47:26,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [504907617] [2021-11-07 01:47:26,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [504907617] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:26,972 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:47:26,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:47:26,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171710776] [2021-11-07 01:47:26,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:47:26,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:47:26,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:47:26,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:47:26,974 INFO L87 Difference]: Start difference. First operand 401 states and 539 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:27,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:27,100 INFO L93 Difference]: Finished difference Result 706 states and 934 transitions. [2021-11-07 01:47:27,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:47:27,101 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-11-07 01:47:27,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:27,103 INFO L225 Difference]: With dead ends: 706 [2021-11-07 01:47:27,103 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:47:27,104 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:47:27,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:47:27,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:47:27,105 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) [2021-11-07 01:47:27,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:47:27,105 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-11-07 01:47:27,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:27,106 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:47:27,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:27,106 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:47:27,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:47:27,110 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:47:27,110 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:47:27,111 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:47:27,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:27,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:47:27,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:47:27,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:27,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:27,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:27,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:27,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:27,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:27,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:28,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:28,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:28,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:28,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:28,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:28,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:28,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:28,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:28,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:28,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:28,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:28,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:28,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:29,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:29,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:29,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:29,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:29,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:29,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:29,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:29,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:29,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:29,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:29,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,387 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-11-07 01:47:40,387 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 119) no Hoare annotation was computed. [2021-11-07 01:47:40,387 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 102 119) no Hoare annotation was computed. [2021-11-07 01:47:40,387 INFO L857 garLoopResultBuilder]: For program point L102-2(lines 102 119) no Hoare annotation was computed. [2021-11-07 01:47:40,388 INFO L857 garLoopResultBuilder]: For program point L102-3(lines 102 119) no Hoare annotation was computed. [2021-11-07 01:47:40,388 INFO L857 garLoopResultBuilder]: For program point L102-4(lines 102 119) no Hoare annotation was computed. [2021-11-07 01:47:40,388 INFO L857 garLoopResultBuilder]: For program point L102-5(lines 102 119) no Hoare annotation was computed. [2021-11-07 01:47:40,388 INFO L857 garLoopResultBuilder]: For program point L102-6(lines 102 119) no Hoare annotation was computed. [2021-11-07 01:47:40,388 INFO L857 garLoopResultBuilder]: For program point L102-7(lines 102 119) no Hoare annotation was computed. [2021-11-07 01:47:40,388 INFO L857 garLoopResultBuilder]: For program point L102-8(lines 102 119) no Hoare annotation was computed. [2021-11-07 01:47:40,388 INFO L857 garLoopResultBuilder]: For program point L102-9(lines 102 119) no Hoare annotation was computed. [2021-11-07 01:47:40,388 INFO L857 garLoopResultBuilder]: For program point L102-10(lines 102 119) no Hoare annotation was computed. [2021-11-07 01:47:40,388 INFO L857 garLoopResultBuilder]: For program point L102-11(lines 102 119) no Hoare annotation was computed. [2021-11-07 01:47:40,389 INFO L853 garLoopResultBuilder]: At program point L70(lines 69 88) 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))) [2021-11-07 01:47:40,389 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 70 76) no Hoare annotation was computed. [2021-11-07 01:47:40,389 INFO L853 garLoopResultBuilder]: At program point L70-2(lines 69 88) the Hoare annotation is: false [2021-11-07 01:47:40,389 INFO L853 garLoopResultBuilder]: At program point L70-3(lines 69 88) the Hoare annotation is: false [2021-11-07 01:47:40,389 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 704) no Hoare annotation was computed. [2021-11-07 01:47:40,390 INFO L853 garLoopResultBuilder]: At program point L698-1(lines 698 704) 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))) [2021-11-07 01:47:40,390 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 114) no Hoare annotation was computed. [2021-11-07 01:47:40,390 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 106 114) no Hoare annotation was computed. [2021-11-07 01:47:40,390 INFO L857 garLoopResultBuilder]: For program point L106-2(lines 106 114) no Hoare annotation was computed. [2021-11-07 01:47:40,390 INFO L857 garLoopResultBuilder]: For program point L106-3(lines 106 114) no Hoare annotation was computed. [2021-11-07 01:47:40,391 INFO L857 garLoopResultBuilder]: For program point L106-4(lines 106 114) no Hoare annotation was computed. [2021-11-07 01:47:40,391 INFO L857 garLoopResultBuilder]: For program point L106-5(lines 106 114) no Hoare annotation was computed. [2021-11-07 01:47:40,391 INFO L857 garLoopResultBuilder]: For program point L106-6(lines 106 114) no Hoare annotation was computed. [2021-11-07 01:47:40,391 INFO L857 garLoopResultBuilder]: For program point L106-7(lines 106 114) no Hoare annotation was computed. [2021-11-07 01:47:40,391 INFO L857 garLoopResultBuilder]: For program point L106-8(lines 106 114) no Hoare annotation was computed. [2021-11-07 01:47:40,391 INFO L857 garLoopResultBuilder]: For program point L106-9(lines 106 114) no Hoare annotation was computed. [2021-11-07 01:47:40,391 INFO L857 garLoopResultBuilder]: For program point L106-10(lines 106 114) no Hoare annotation was computed. [2021-11-07 01:47:40,391 INFO L857 garLoopResultBuilder]: For program point L106-11(lines 106 114) no Hoare annotation was computed. [2021-11-07 01:47:40,392 INFO L857 garLoopResultBuilder]: For program point L966(lines 966 972) no Hoare annotation was computed. [2021-11-07 01:47:40,392 INFO L857 garLoopResultBuilder]: For program point L966-1(lines 966 972) no Hoare annotation was computed. [2021-11-07 01:47:40,392 INFO L857 garLoopResultBuilder]: For program point L966-2(lines 966 972) no Hoare annotation was computed. [2021-11-07 01:47:40,392 INFO L857 garLoopResultBuilder]: For program point L966-3(lines 966 972) no Hoare annotation was computed. [2021-11-07 01:47:40,392 INFO L853 garLoopResultBuilder]: At program point L834(lines 830 836) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:47:40,392 INFO L857 garLoopResultBuilder]: For program point L966-4(lines 966 972) no Hoare annotation was computed. [2021-11-07 01:47:40,393 INFO L857 garLoopResultBuilder]: For program point L966-5(lines 966 972) no Hoare annotation was computed. [2021-11-07 01:47:40,393 INFO L857 garLoopResultBuilder]: For program point L966-6(lines 966 972) no Hoare annotation was computed. [2021-11-07 01:47:40,393 INFO L857 garLoopResultBuilder]: For program point L966-7(lines 966 972) no Hoare annotation was computed. [2021-11-07 01:47:40,393 INFO L857 garLoopResultBuilder]: For program point L966-8(lines 966 972) no Hoare annotation was computed. [2021-11-07 01:47:40,393 INFO L857 garLoopResultBuilder]: For program point L966-9(lines 966 972) no Hoare annotation was computed. [2021-11-07 01:47:40,393 INFO L857 garLoopResultBuilder]: For program point L966-10(lines 966 972) no Hoare annotation was computed. [2021-11-07 01:47:40,393 INFO L857 garLoopResultBuilder]: For program point L966-11(lines 966 972) no Hoare annotation was computed. [2021-11-07 01:47:40,394 INFO L853 garLoopResultBuilder]: At program point L207(lines 202 210) the Hoare annotation is: false [2021-11-07 01:47:40,394 INFO L853 garLoopResultBuilder]: At program point L207-1(lines 202 210) the Hoare annotation is: false [2021-11-07 01:47:40,394 INFO L853 garLoopResultBuilder]: At program point L207-2(lines 202 210) the Hoare annotation is: false [2021-11-07 01:47:40,394 INFO L857 garLoopResultBuilder]: For program point L901(lines 901 905) no Hoare annotation was computed. [2021-11-07 01:47:40,394 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-11-07 01:47:40,395 INFO L860 garLoopResultBuilder]: At program point L869(lines 850 872) the Hoare annotation is: true [2021-11-07 01:47:40,395 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2021-11-07 01:47:40,395 INFO L857 garLoopResultBuilder]: For program point L275-2(lines 275 279) no Hoare annotation was computed. [2021-11-07 01:47:40,395 INFO L857 garLoopResultBuilder]: For program point L275-3(lines 275 279) no Hoare annotation was computed. [2021-11-07 01:47:40,395 INFO L857 garLoopResultBuilder]: For program point L275-5(lines 275 279) no Hoare annotation was computed. [2021-11-07 01:47:40,396 INFO L853 garLoopResultBuilder]: At program point L77(lines 77 83) 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)))))) [2021-11-07 01:47:40,396 INFO L857 garLoopResultBuilder]: For program point L275-6(lines 275 279) no Hoare annotation was computed. [2021-11-07 01:47:40,396 INFO L853 garLoopResultBuilder]: At program point L77-1(lines 77 83) the Hoare annotation is: false [2021-11-07 01:47:40,396 INFO L857 garLoopResultBuilder]: For program point L275-8(lines 275 279) no Hoare annotation was computed. [2021-11-07 01:47:40,396 INFO L853 garLoopResultBuilder]: At program point L77-2(lines 77 83) the Hoare annotation is: false [2021-11-07 01:47:40,397 INFO L857 garLoopResultBuilder]: For program point L275-9(lines 275 279) no Hoare annotation was computed. [2021-11-07 01:47:40,397 INFO L857 garLoopResultBuilder]: For program point L275-11(lines 275 279) no Hoare annotation was computed. [2021-11-07 01:47:40,397 INFO L857 garLoopResultBuilder]: For program point L275-12(lines 275 279) no Hoare annotation was computed. [2021-11-07 01:47:40,397 INFO L857 garLoopResultBuilder]: For program point L275-14(lines 275 279) no Hoare annotation was computed. [2021-11-07 01:47:40,397 INFO L857 garLoopResultBuilder]: For program point L275-15(lines 275 279) no Hoare annotation was computed. [2021-11-07 01:47:40,397 INFO L853 garLoopResultBuilder]: At program point L738(lines 687 739) the Hoare annotation is: false [2021-11-07 01:47:40,398 INFO L857 garLoopResultBuilder]: For program point L275-17(lines 275 279) no Hoare annotation was computed. [2021-11-07 01:47:40,398 INFO L853 garLoopResultBuilder]: At program point L971(lines 962 975) the Hoare annotation is: false [2021-11-07 01:47:40,398 INFO L853 garLoopResultBuilder]: At program point L971-1(lines 962 975) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:47:40,398 INFO L853 garLoopResultBuilder]: At program point L971-2(lines 962 975) the Hoare annotation is: false [2021-11-07 01:47:40,399 INFO L853 garLoopResultBuilder]: At program point L971-3(lines 962 975) 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))) [2021-11-07 01:47:40,399 INFO L853 garLoopResultBuilder]: At program point L971-4(lines 962 975) the Hoare annotation is: false [2021-11-07 01:47:40,399 INFO L853 garLoopResultBuilder]: At program point L971-5(lines 962 975) the Hoare annotation is: false [2021-11-07 01:47:40,399 INFO L853 garLoopResultBuilder]: At program point L971-6(lines 962 975) the Hoare annotation is: false [2021-11-07 01:47:40,399 INFO L853 garLoopResultBuilder]: At program point L971-7(lines 962 975) the Hoare annotation is: false [2021-11-07 01:47:40,400 INFO L853 garLoopResultBuilder]: At program point L971-8(lines 962 975) the Hoare annotation is: false [2021-11-07 01:47:40,400 INFO L853 garLoopResultBuilder]: At program point L971-9(lines 962 975) the Hoare annotation is: false [2021-11-07 01:47:40,400 INFO L853 garLoopResultBuilder]: At program point L971-10(lines 962 975) the Hoare annotation is: false [2021-11-07 01:47:40,400 INFO L853 garLoopResultBuilder]: At program point L971-11(lines 962 975) the Hoare annotation is: false [2021-11-07 01:47:40,400 INFO L857 garLoopResultBuilder]: For program point L708(lines 708 714) no Hoare annotation was computed. [2021-11-07 01:47:40,401 INFO L853 garLoopResultBuilder]: At program point L708-1(lines 708 714) 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))) [2021-11-07 01:47:40,401 INFO L853 garLoopResultBuilder]: At program point L281(lines 266 284) 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~4 (_ 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)))) [2021-11-07 01:47:40,401 INFO L853 garLoopResultBuilder]: At program point L281-1(lines 266 284) the Hoare annotation is: false [2021-11-07 01:47:40,401 INFO L853 garLoopResultBuilder]: At program point L281-2(lines 266 284) the Hoare annotation is: false [2021-11-07 01:47:40,401 INFO L853 garLoopResultBuilder]: At program point L281-3(lines 266 284) the Hoare annotation is: false [2021-11-07 01:47:40,402 INFO L853 garLoopResultBuilder]: At program point L281-4(lines 266 284) the Hoare annotation is: false [2021-11-07 01:47:40,402 INFO L853 garLoopResultBuilder]: At program point L281-5(lines 266 284) the Hoare annotation is: false [2021-11-07 01:47:40,402 INFO L853 garLoopResultBuilder]: At program point L1008(lines 1 1019) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:47:40,402 INFO L857 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2021-11-07 01:47:40,402 INFO L857 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2021-11-07 01:47:40,403 INFO L857 garLoopResultBuilder]: For program point L878-2(line 878) no Hoare annotation was computed. [2021-11-07 01:47:40,403 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:47:40,403 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 917) no Hoare annotation was computed. [2021-11-07 01:47:40,403 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 171) no Hoare annotation was computed. [2021-11-07 01:47:40,403 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 154 171) no Hoare annotation was computed. [2021-11-07 01:47:40,403 INFO L857 garLoopResultBuilder]: For program point L154-2(lines 154 171) no Hoare annotation was computed. [2021-11-07 01:47:40,404 INFO L853 garLoopResultBuilder]: At program point L981(lines 976 984) 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)))) [2021-11-07 01:47:40,404 INFO L853 garLoopResultBuilder]: At program point L981-1(lines 976 984) the Hoare annotation is: false [2021-11-07 01:47:40,404 INFO L853 garLoopResultBuilder]: At program point L981-2(lines 976 984) the Hoare annotation is: false [2021-11-07 01:47:40,404 INFO L853 garLoopResultBuilder]: At program point L981-3(lines 976 984) the Hoare annotation is: false [2021-11-07 01:47:40,405 INFO L853 garLoopResultBuilder]: At program point L981-4(lines 976 984) the Hoare annotation is: false [2021-11-07 01:47:40,405 INFO L853 garLoopResultBuilder]: At program point L981-5(lines 976 984) the Hoare annotation is: false [2021-11-07 01:47:40,405 INFO L857 garLoopResultBuilder]: For program point L718(lines 718 733) no Hoare annotation was computed. [2021-11-07 01:47:40,405 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2021-11-07 01:47:40,405 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:47:40,405 INFO L853 garLoopResultBuilder]: At program point L289-1(lines 289 295) 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))) [2021-11-07 01:47:40,406 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,406 INFO L857 garLoopResultBuilder]: For program point L256-2(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,406 INFO L857 garLoopResultBuilder]: For program point L256-3(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,406 INFO L857 garLoopResultBuilder]: For program point L256-5(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,406 INFO L857 garLoopResultBuilder]: For program point L256-6(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,407 INFO L853 garLoopResultBuilder]: At program point L1016(lines 1011 1019) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:47:40,407 INFO L857 garLoopResultBuilder]: For program point L256-8(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,407 INFO L857 garLoopResultBuilder]: For program point L256-9(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,407 INFO L857 garLoopResultBuilder]: For program point L256-11(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,407 INFO L857 garLoopResultBuilder]: For program point L256-12(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,407 INFO L857 garLoopResultBuilder]: For program point L256-14(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,408 INFO L857 garLoopResultBuilder]: For program point L256-15(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,408 INFO L857 garLoopResultBuilder]: For program point L256-17(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,408 INFO L857 garLoopResultBuilder]: For program point L256-18(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,408 INFO L857 garLoopResultBuilder]: For program point L256-20(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,408 INFO L857 garLoopResultBuilder]: For program point L256-21(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,409 INFO L857 garLoopResultBuilder]: For program point L256-23(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,409 INFO L857 garLoopResultBuilder]: For program point L256-24(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,409 INFO L857 garLoopResultBuilder]: For program point L256-26(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,409 INFO L857 garLoopResultBuilder]: For program point L256-27(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,409 INFO L857 garLoopResultBuilder]: For program point L256-29(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,409 INFO L857 garLoopResultBuilder]: For program point L256-30(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,410 INFO L857 garLoopResultBuilder]: For program point L256-32(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,410 INFO L857 garLoopResultBuilder]: For program point L256-33(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,410 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 166) no Hoare annotation was computed. [2021-11-07 01:47:40,410 INFO L857 garLoopResultBuilder]: For program point L158-1(lines 158 166) no Hoare annotation was computed. [2021-11-07 01:47:40,410 INFO L857 garLoopResultBuilder]: For program point L256-35(lines 256 260) no Hoare annotation was computed. [2021-11-07 01:47:40,410 INFO L857 garLoopResultBuilder]: For program point L158-2(lines 158 166) no Hoare annotation was computed. [2021-11-07 01:47:40,411 INFO L853 garLoopResultBuilder]: At program point L786-2(lines 786 800) the Hoare annotation is: false [2021-11-07 01:47:40,411 INFO L857 garLoopResultBuilder]: For program point L787(line 787) no Hoare annotation was computed. [2021-11-07 01:47:40,411 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:47:40,411 INFO L857 garLoopResultBuilder]: For program point L689(lines 688 737) no Hoare annotation was computed. [2021-11-07 01:47:40,411 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 145) no Hoare annotation was computed. [2021-11-07 01:47:40,412 INFO L857 garLoopResultBuilder]: For program point L128-1(lines 128 145) no Hoare annotation was computed. [2021-11-07 01:47:40,412 INFO L857 garLoopResultBuilder]: For program point L128-2(lines 128 145) no Hoare annotation was computed. [2021-11-07 01:47:40,412 INFO L857 garLoopResultBuilder]: For program point L128-3(lines 128 145) no Hoare annotation was computed. [2021-11-07 01:47:40,412 INFO L857 garLoopResultBuilder]: For program point L128-4(lines 128 145) no Hoare annotation was computed. [2021-11-07 01:47:40,412 INFO L857 garLoopResultBuilder]: For program point L128-5(lines 128 145) no Hoare annotation was computed. [2021-11-07 01:47:40,412 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 694) no Hoare annotation was computed. [2021-11-07 01:47:40,413 INFO L857 garLoopResultBuilder]: For program point L889(lines 889 893) no Hoare annotation was computed. [2021-11-07 01:47:40,413 INFO L857 garLoopResultBuilder]: For program point L889-3(lines 889 893) no Hoare annotation was computed. [2021-11-07 01:47:40,413 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 794) no Hoare annotation was computed. [2021-11-07 01:47:40,413 INFO L857 garLoopResultBuilder]: For program point L757(lines 757 770) no Hoare annotation was computed. [2021-11-07 01:47:40,413 INFO L857 garLoopResultBuilder]: For program point L790-1(lines 70 76) no Hoare annotation was computed. [2021-11-07 01:47:40,414 INFO L853 garLoopResultBuilder]: At program point L757-1(lines 1 1019) 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))) [2021-11-07 01:47:40,414 INFO L857 garLoopResultBuilder]: For program point L757-2(lines 757 770) no Hoare annotation was computed. [2021-11-07 01:47:40,414 INFO L857 garLoopResultBuilder]: For program point L889-6(lines 889 893) no Hoare annotation was computed. [2021-11-07 01:47:40,414 INFO L853 garLoopResultBuilder]: At program point L757-3(lines 1 1019) the Hoare annotation is: false [2021-11-07 01:47:40,414 INFO L857 garLoopResultBuilder]: For program point L757-4(lines 757 770) no Hoare annotation was computed. [2021-11-07 01:47:40,415 INFO L853 garLoopResultBuilder]: At program point L757-5(lines 1 1019) the Hoare annotation is: false [2021-11-07 01:47:40,415 INFO L853 garLoopResultBuilder]: At program point L262(lines 247 265) the Hoare annotation is: false [2021-11-07 01:47:40,415 INFO L853 garLoopResultBuilder]: At program point L262-1(lines 247 265) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:47:40,415 INFO L853 garLoopResultBuilder]: At program point L262-2(lines 247 265) the Hoare annotation is: false [2021-11-07 01:47:40,415 INFO L853 garLoopResultBuilder]: At program point L262-3(lines 247 265) 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_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv1 32)) .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-11-07 01:47:40,416 INFO L853 garLoopResultBuilder]: At program point L262-4(lines 247 265) the Hoare annotation is: false [2021-11-07 01:47:40,416 INFO L853 garLoopResultBuilder]: At program point L262-5(lines 247 265) the Hoare annotation is: false [2021-11-07 01:47:40,416 INFO L853 garLoopResultBuilder]: At program point L262-6(lines 247 265) the Hoare annotation is: false [2021-11-07 01:47:40,416 INFO L853 garLoopResultBuilder]: At program point L262-7(lines 247 265) the Hoare annotation is: false [2021-11-07 01:47:40,416 INFO L853 garLoopResultBuilder]: At program point L262-8(lines 247 265) the Hoare annotation is: false [2021-11-07 01:47:40,417 INFO L853 garLoopResultBuilder]: At program point L262-9(lines 247 265) the Hoare annotation is: false [2021-11-07 01:47:40,417 INFO L853 garLoopResultBuilder]: At program point L262-10(lines 247 265) the Hoare annotation is: false [2021-11-07 01:47:40,417 INFO L853 garLoopResultBuilder]: At program point L262-11(lines 247 265) the Hoare annotation is: false [2021-11-07 01:47:40,417 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:47:40,417 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-11-07 01:47:40,418 INFO L857 garLoopResultBuilder]: For program point L726(lines 726 732) no Hoare annotation was computed. [2021-11-07 01:47:40,418 INFO L853 garLoopResultBuilder]: At program point L726-1(lines 70 76) 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)))))) [2021-11-07 01:47:40,418 INFO L853 garLoopResultBuilder]: At program point L198(lines 191 201) 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)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-11-07 01:47:40,418 INFO L853 garLoopResultBuilder]: At program point L198-1(lines 191 201) the Hoare annotation is: false [2021-11-07 01:47:40,418 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 140) no Hoare annotation was computed. [2021-11-07 01:47:40,419 INFO L853 garLoopResultBuilder]: At program point L198-2(lines 191 201) the Hoare annotation is: false [2021-11-07 01:47:40,419 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 132 140) no Hoare annotation was computed. [2021-11-07 01:47:40,419 INFO L857 garLoopResultBuilder]: For program point L132-2(lines 132 140) no Hoare annotation was computed. [2021-11-07 01:47:40,419 INFO L857 garLoopResultBuilder]: For program point L132-3(lines 132 140) no Hoare annotation was computed. [2021-11-07 01:47:40,419 INFO L857 garLoopResultBuilder]: For program point L132-4(lines 132 140) no Hoare annotation was computed. [2021-11-07 01:47:40,420 INFO L857 garLoopResultBuilder]: For program point L132-5(lines 132 140) no Hoare annotation was computed. [2021-11-07 01:47:40,420 INFO L853 garLoopResultBuilder]: At program point L958(lines 953 961) 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)))))) [2021-11-07 01:47:40,420 INFO L853 garLoopResultBuilder]: At program point L958-1(lines 953 961) the Hoare annotation is: false [2021-11-07 01:47:40,420 INFO L853 garLoopResultBuilder]: At program point L958-2(lines 953 961) the Hoare annotation is: false [2021-11-07 01:47:40,420 INFO L853 garLoopResultBuilder]: At program point L926(lines 921 929) 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)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-11-07 01:47:40,421 INFO L853 garLoopResultBuilder]: At program point L926-1(lines 921 929) the Hoare annotation is: false [2021-11-07 01:47:40,421 INFO L857 garLoopResultBuilder]: For program point L860(lines 860 867) no Hoare annotation was computed. [2021-11-07 01:47:40,421 INFO L853 garLoopResultBuilder]: At program point L926-2(lines 921 929) the Hoare annotation is: false [2021-11-07 01:47:40,421 INFO L860 garLoopResultBuilder]: At program point L860-1(lines 860 867) the Hoare annotation is: true [2021-11-07 01:47:40,421 INFO L857 garLoopResultBuilder]: For program point L761(lines 761 767) no Hoare annotation was computed. [2021-11-07 01:47:40,422 INFO L857 garLoopResultBuilder]: For program point L761-2(lines 761 767) no Hoare annotation was computed. [2021-11-07 01:47:40,422 INFO L857 garLoopResultBuilder]: For program point L761-4(lines 761 767) no Hoare annotation was computed. [2021-11-07 01:47:40,426 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:40,428 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:47:40,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:47:40 BoogieIcfgContainer [2021-11-07 01:47:40,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:47:40,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:47:40,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:47:40,483 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:47:40,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:47:02" (3/4) ... [2021-11-07 01:47:40,488 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:47:40,544 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:47:40,551 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:47:40,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:47:40,555 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:47:40,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:47:40,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:47:40,562 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:47:40,618 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:47:40,619 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:47:40,619 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) [2021-11-07 01:47:40,620 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) [2021-11-07 01:47:40,620 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) [2021-11-07 01:47:40,621 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)) [2021-11-07 01:47:40,621 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) [2021-11-07 01:47:40,622 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)) [2021-11-07 01:47:40,622 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) [2021-11-07 01:47:40,624 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)) [2021-11-07 01:47:40,624 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) [2021-11-07 01:47:40,626 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) [2021-11-07 01:47:40,627 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) [2021-11-07 01:47:40,629 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-11-07 01:47:40,630 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) [2021-11-07 01:47:40,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 0bv32 == pumpRunning [2021-11-07 01:47:40,632 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) [2021-11-07 01:47:40,633 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 0bv32 == pumpRunning [2021-11-07 01:47:40,740 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:47:40,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:47:40,742 INFO L168 Benchmark]: Toolchain (without parser) took 42383.55 ms. Allocated memory was 58.7 MB in the beginning and 117.4 MB in the end (delta: 58.7 MB). Free memory was 36.0 MB in the beginning and 35.3 MB in the end (delta: 702.6 kB). Peak memory consumption was 62.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:47:40,743 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 58.7 MB. Free memory was 39.9 MB in the beginning and 39.8 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:47:40,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.84 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 35.9 MB in the beginning and 54.2 MB in the end (delta: -18.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:47:40,744 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.85 ms. Allocated memory is still 73.4 MB. Free memory was 54.2 MB in the beginning and 49.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:47:40,745 INFO L168 Benchmark]: Boogie Preprocessor took 80.84 ms. Allocated memory is still 73.4 MB. Free memory was 49.5 MB in the beginning and 45.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:47:40,745 INFO L168 Benchmark]: RCFGBuilder took 3266.01 ms. Allocated memory is still 73.4 MB. Free memory was 45.8 MB in the beginning and 45.5 MB in the end (delta: 339.4 kB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:47:40,746 INFO L168 Benchmark]: TraceAbstraction took 37859.70 ms. Allocated memory was 73.4 MB in the beginning and 117.4 MB in the end (delta: 44.0 MB). Free memory was 44.6 MB in the beginning and 50.3 MB in the end (delta: -5.6 MB). Peak memory consumption was 66.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:47:40,746 INFO L168 Benchmark]: Witness Printer took 257.42 ms. Allocated memory is still 117.4 MB. Free memory was 50.3 MB in the beginning and 35.3 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:47:40,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 58.7 MB. Free memory was 39.9 MB in the beginning and 39.8 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 769.84 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 35.9 MB in the beginning and 54.2 MB in the end (delta: -18.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 140.85 ms. Allocated memory is still 73.4 MB. Free memory was 54.2 MB in the beginning and 49.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.84 ms. Allocated memory is still 73.4 MB. Free memory was 49.5 MB in the beginning and 45.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3266.01 ms. Allocated memory is still 73.4 MB. Free memory was 45.8 MB in the beginning and 45.5 MB in the end (delta: 339.4 kB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 37859.70 ms. Allocated memory was 73.4 MB in the beginning and 117.4 MB in the end (delta: 44.0 MB). Free memory was 44.6 MB in the beginning and 50.3 MB in the end (delta: -5.6 MB). Peak memory consumption was 66.8 MB. Max. memory is 16.1 GB. * Witness Printer took 257.42 ms. Allocated memory is still 117.4 MB. Free memory was 50.3 MB in the beginning and 35.3 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: 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, 191 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 37.7s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1593 SDtfs, 4970 SDslu, 4790 SDs, 0 SdLazy, 868 SolverSat, 221 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1335 GetRequests, 1200 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2294 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=401occurred in iteration=9, InterpolantAutomatonStates: 125, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 3605 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 191 NumberOfFragments, 846 HoareAnnotationTreeSize, 68 FomulaSimplifications, 533703 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 68 FomulaSimplificationsInter, 341068 FormulaSimplificationTreeSizeReductionInter, 9.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 636 NumberOfCodeBlocks, 636 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1242 ConstructedInterpolants, 0 QuantifiedInterpolants, 2671 SizeOfPredicates, 31 NumberOfNonLiveVariables, 3377 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 30 InterpolantComputations, 18 PerfectInterpolantSequences, 284/362 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: 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: 976]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: 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: 70]: 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: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: 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: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: 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: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: 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: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 953]: 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: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: 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: 69]: 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) RESULT: Ultimate proved your program to be correct! [2021-11-07 01:47:40,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc8701c-3f9d-4f40-971a-97fbc1491b95/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE