./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 861f07fa59cb0cfcece09c1a4e6ddfbbabbcb5606dbdc5d8efc7c0dfaa196551 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 861f07fa59cb0cfcece09c1a4e6ddfbbabbcb5606dbdc5d8efc7c0dfaa196551 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:49:22,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:49:22,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:49:22,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:49:22,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:49:22,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:49:22,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:49:22,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:49:22,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:49:22,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:49:22,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:49:22,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:49:22,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:49:22,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:49:22,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:49:22,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:49:22,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:49:22,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:49:22,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:49:22,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:49:22,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:49:22,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:49:22,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:49:22,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:49:22,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:49:22,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:49:22,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:49:22,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:49:22,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:49:22,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:49:22,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:49:22,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:49:22,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:49:22,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:49:22,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:49:22,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:49:22,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:49:22,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:49:22,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:49:22,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:49:22,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:49:22,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:49:22,877 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:49:22,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:49:22,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:49:22,889 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:49:22,889 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:49:22,889 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:49:22,889 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:49:22,890 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:49:22,890 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:49:22,890 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:49:22,890 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:49:22,890 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:49:22,891 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:49:22,891 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:49:22,891 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:49:22,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:49:22,892 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:49:22,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:49:22,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:49:22,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:49:22,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:49:22,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:49:22,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:49:22,894 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:49:22,894 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:49:22,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:49:22,894 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:49:22,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:49:22,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:49:22,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:49:22,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:49:22,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:49:22,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:49:22,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:49:22,896 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:49:22,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:49:22,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:49:22,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:49:22,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:49:22,897 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_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 861f07fa59cb0cfcece09c1a4e6ddfbbabbcb5606dbdc5d8efc7c0dfaa196551 [2021-10-24 10:49:23,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:49:23,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:49:23,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:49:23,189 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:49:23,190 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:49:23,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2021-10-24 10:49:23,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/data/60e0f8138/dc37286fdcb141e58c7038414e512684/FLAG694dc606e [2021-10-24 10:49:23,783 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:49:23,783 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2021-10-24 10:49:23,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/data/60e0f8138/dc37286fdcb141e58c7038414e512684/FLAG694dc606e [2021-10-24 10:49:24,139 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/data/60e0f8138/dc37286fdcb141e58c7038414e512684 [2021-10-24 10:49:24,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:49:24,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:49:24,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:49:24,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:49:24,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:49:24,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:49:24" (1/1) ... [2021-10-24 10:49:24,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610e64c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:24, skipping insertion in model container [2021-10-24 10:49:24,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:49:24" (1/1) ... [2021-10-24 10:49:24,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:49:24,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:49:24,803 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_9105aaab-f51d-4945-b38b-0ff8dfab4a03/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c[14834,14847] [2021-10-24 10:49:24,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:49:24,844 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 10:49:24,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d87ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:24, skipping insertion in model container [2021-10-24 10:49:24,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:49:24,846 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:49:24,848 INFO L168 Benchmark]: Toolchain (without parser) took 701.22 ms. Allocated memory is still 88.1 MB. Free memory was 63.6 MB in the beginning and 59.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:24,849 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory is still 62.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:49:24,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.64 ms. Allocated memory is still 88.1 MB. Free memory was 63.4 MB in the beginning and 59.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:24,852 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory is still 62.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 678.64 ms. Allocated memory is still 88.1 MB. Free memory was 63.4 MB in the beginning and 59.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:49:27,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:49:27,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:49:27,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:49:27,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:49:27,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:49:27,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:49:27,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:49:27,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:49:27,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:49:27,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:49:27,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:49:27,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:49:27,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:49:27,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:49:27,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:49:27,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:49:27,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:49:27,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:49:27,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:49:27,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:49:27,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:49:27,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:49:27,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:49:27,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:49:27,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:49:27,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:49:27,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:49:27,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:49:27,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:49:27,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:49:27,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:49:27,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:49:27,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:49:27,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:49:27,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:49:27,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:49:27,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:49:27,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:49:27,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:49:27,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:49:27,312 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:49:27,362 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:49:27,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:49:27,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:49:27,364 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:49:27,364 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:49:27,365 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:49:27,365 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:49:27,365 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:49:27,365 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:49:27,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:49:27,368 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:49:27,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:49:27,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:49:27,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:49:27,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:49:27,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:49:27,369 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:49:27,369 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:49:27,369 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:49:27,370 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:49:27,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:49:27,370 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:49:27,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:49:27,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:49:27,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:49:27,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:49:27,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:49:27,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:49:27,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:49:27,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:49:27,372 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:49:27,372 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:49:27,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:49:27,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:49:27,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:49:27,373 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_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 861f07fa59cb0cfcece09c1a4e6ddfbbabbcb5606dbdc5d8efc7c0dfaa196551 [2021-10-24 10:49:27,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:49:27,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:49:27,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:49:27,818 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:49:27,819 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:49:27,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2021-10-24 10:49:27,907 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/data/f6d8224f5/05e2234fea854164a2423d9ec3096cf0/FLAGf6eecf922 [2021-10-24 10:49:28,574 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:49:28,574 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2021-10-24 10:49:28,597 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/data/f6d8224f5/05e2234fea854164a2423d9ec3096cf0/FLAGf6eecf922 [2021-10-24 10:49:28,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/data/f6d8224f5/05e2234fea854164a2423d9ec3096cf0 [2021-10-24 10:49:28,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:49:28,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:49:28,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:49:28,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:49:28,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:49:28,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:49:28" (1/1) ... [2021-10-24 10:49:28,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a262303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:28, skipping insertion in model container [2021-10-24 10:49:28,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:49:28" (1/1) ... [2021-10-24 10:49:28,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:49:29,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:49:29,681 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_9105aaab-f51d-4945-b38b-0ff8dfab4a03/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c[14834,14847] [2021-10-24 10:49:29,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:49:29,771 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:49:29,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:49:29,974 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_9105aaab-f51d-4945-b38b-0ff8dfab4a03/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c[14834,14847] [2021-10-24 10:49:29,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:49:30,011 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:49:30,088 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_9105aaab-f51d-4945-b38b-0ff8dfab4a03/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c[14834,14847] [2021-10-24 10:49:30,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:49:30,114 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:49:30,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:30 WrapperNode [2021-10-24 10:49:30,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:49:30,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:49:30,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:49:30,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:49:30,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:30" (1/1) ... [2021-10-24 10:49:30,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:30" (1/1) ... [2021-10-24 10:49:30,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:49:30,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:49:30,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:49:30,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:49:30,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:30" (1/1) ... [2021-10-24 10:49:30,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:30" (1/1) ... [2021-10-24 10:49:30,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:30" (1/1) ... [2021-10-24 10:49:30,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:30" (1/1) ... [2021-10-24 10:49:30,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:30" (1/1) ... [2021-10-24 10:49:30,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:30" (1/1) ... [2021-10-24 10:49:30,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:30" (1/1) ... [2021-10-24 10:49:30,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:49:30,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:49:30,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:49:30,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:49:30,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:30" (1/1) ... [2021-10-24 10:49:30,276 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:49:30,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:49:30,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:49:30,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:49:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:49:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:49:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:49:30,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:49:32,680 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:49:32,681 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-24 10:49:32,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:49:32 BoogieIcfgContainer [2021-10-24 10:49:32,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:49:32,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:49:32,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:49:32,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:49:32,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:49:28" (1/3) ... [2021-10-24 10:49:32,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7197eade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:49:32, skipping insertion in model container [2021-10-24 10:49:32,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:30" (2/3) ... [2021-10-24 10:49:32,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7197eade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:49:32, skipping insertion in model container [2021-10-24 10:49:32,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:49:32" (3/3) ... [2021-10-24 10:49:32,692 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2021-10-24 10:49:32,697 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:49:32,698 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:49:32,773 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:49:32,780 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:49:32,780 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:49:32,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:32,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 10:49:32,817 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:49:32,818 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:49:32,819 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:49:32,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:49:32,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1613004623, now seen corresponding path program 1 times [2021-10-24 10:49:32,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:49:32,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2033880652] [2021-10-24 10:49:32,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:49:32,843 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:49:32,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:49:32,853 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:49:32,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:49:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:49:33,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:49:33,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:49:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:33,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:49:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:33,246 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:49:33,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2033880652] [2021-10-24 10:49:33,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2033880652] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:49:33,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:49:33,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:49:33,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579902622] [2021-10-24 10:49:33,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:49:33,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:49:33,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:49:33,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:49:33,276 INFO L87 Difference]: Start difference. First operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:33,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:49:33,320 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-24 10:49:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:49:33,321 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 10:49:33,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:49:33,333 INFO L225 Difference]: With dead ends: 148 [2021-10-24 10:49:33,333 INFO L226 Difference]: Without dead ends: 73 [2021-10-24 10:49:33,337 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:49:33,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-24 10:49:33,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-24 10:49:33,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:33,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-24 10:49:33,384 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-10-24 10:49:33,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:49:33,385 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-24 10:49:33,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:33,386 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-24 10:49:33,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 10:49:33,388 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:49:33,388 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:49:33,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:49:33,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:49:33,602 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:49:33,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:49:33,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1635205776, now seen corresponding path program 1 times [2021-10-24 10:49:33,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:49:33,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [184753760] [2021-10-24 10:49:33,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:49:33,604 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:49:33,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:49:33,606 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:49:33,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:49:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:49:33,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:49:33,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:49:33,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:33,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:49:33,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:33,963 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:49:33,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [184753760] [2021-10-24 10:49:33,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [184753760] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:49:33,963 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:49:33,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:49:33,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836758903] [2021-10-24 10:49:33,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:49:33,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:49:33,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:49:33,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:49:33,970 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:34,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:49:34,000 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-24 10:49:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:49:34,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-24 10:49:34,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:49:34,003 INFO L225 Difference]: With dead ends: 73 [2021-10-24 10:49:34,003 INFO L226 Difference]: Without dead ends: 35 [2021-10-24 10:49:34,004 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:49:34,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-24 10:49:34,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-24 10:49:34,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:34,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-24 10:49:34,019 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-10-24 10:49:34,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:49:34,019 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-24 10:49:34,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:34,020 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-24 10:49:34,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 10:49:34,022 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:49:34,027 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:49:34,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:49:34,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:49:34,244 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:49:34,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:49:34,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2021-10-24 10:49:34,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:49:34,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060773474] [2021-10-24 10:49:34,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:49:34,252 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:49:34,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:49:34,254 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:49:34,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:49:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:49:34,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:49:34,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:49:34,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:34,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:49:34,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:34,851 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:49:34,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060773474] [2021-10-24 10:49:34,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1060773474] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:49:34,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:49:34,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:49:34,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952282193] [2021-10-24 10:49:34,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:49:34,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:49:34,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:49:34,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:49:34,854 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:34,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:49:34,882 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2021-10-24 10:49:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:49:34,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 10:49:34,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:49:34,884 INFO L225 Difference]: With dead ends: 116 [2021-10-24 10:49:34,884 INFO L226 Difference]: Without dead ends: 87 [2021-10-24 10:49:34,884 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:49:34,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-24 10:49:34,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2021-10-24 10:49:34,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.471698113207547) internal successors, (78), 53 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:34,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2021-10-24 10:49:34,894 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2021-10-24 10:49:34,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:49:34,895 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2021-10-24 10:49:34,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:34,895 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2021-10-24 10:49:34,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-24 10:49:34,896 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:49:34,896 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:49:34,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:49:35,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:49:35,110 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:49:35,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:49:35,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2021-10-24 10:49:35,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:49:35,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007150566] [2021-10-24 10:49:35,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:49:35,112 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:49:35,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:49:35,131 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:49:35,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:49:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:49:35,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:49:35,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:49:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:35,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:49:35,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:35,816 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:49:35,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007150566] [2021-10-24 10:49:35,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1007150566] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:49:35,818 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:49:35,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 10:49:35,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076156419] [2021-10-24 10:49:35,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:49:35,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:49:35,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:49:35,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:49:35,835 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:36,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:49:36,191 INFO L93 Difference]: Finished difference Result 373 states and 575 transitions. [2021-10-24 10:49:36,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 10:49:36,192 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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 23 [2021-10-24 10:49:36,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:49:36,196 INFO L225 Difference]: With dead ends: 373 [2021-10-24 10:49:36,196 INFO L226 Difference]: Without dead ends: 325 [2021-10-24 10:49:36,197 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 183.0ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-24 10:49:36,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-10-24 10:49:36,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 136. [2021-10-24 10:49:36,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.451851851851852) internal successors, (196), 135 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2021-10-24 10:49:36,225 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2021-10-24 10:49:36,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:49:36,225 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2021-10-24 10:49:36,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:36,226 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2021-10-24 10:49:36,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:49:36,228 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:49:36,228 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:49:36,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:49:36,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:49:36,441 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:49:36,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:49:36,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1402731609, now seen corresponding path program 1 times [2021-10-24 10:49:36,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:49:36,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1920026631] [2021-10-24 10:49:36,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:49:36,443 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:49:36,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:49:36,444 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:49:36,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:49:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:49:36,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:49:36,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:49:36,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:36,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:49:36,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:36,779 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:49:36,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1920026631] [2021-10-24 10:49:36,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1920026631] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:49:36,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:49:36,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:49:36,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295541028] [2021-10-24 10:49:36,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:49:36,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:49:36,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:49:36,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:49:36,796 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:38,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:49:38,342 INFO L93 Difference]: Finished difference Result 354 states and 516 transitions. [2021-10-24 10:49:38,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:49:38,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:49:38,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:49:38,344 INFO L225 Difference]: With dead ends: 354 [2021-10-24 10:49:38,344 INFO L226 Difference]: Without dead ends: 224 [2021-10-24 10:49:38,346 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:49:38,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-10-24 10:49:38,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2021-10-24 10:49:38,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.4253393665158371) internal successors, (315), 221 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:38,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 315 transitions. [2021-10-24 10:49:38,377 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 315 transitions. Word has length 24 [2021-10-24 10:49:38,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:49:38,378 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 315 transitions. [2021-10-24 10:49:38,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:38,378 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 315 transitions. [2021-10-24 10:49:38,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:49:38,380 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:49:38,380 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:49:38,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:49:38,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:49:38,595 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:49:38,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:49:38,596 INFO L82 PathProgramCache]: Analyzing trace with hash -796024257, now seen corresponding path program 1 times [2021-10-24 10:49:38,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:49:38,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2103617420] [2021-10-24 10:49:38,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:49:38,597 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:49:38,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:49:38,600 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:49:38,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:49:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:49:38,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:49:38,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:49:38,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:38,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:49:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:39,009 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:49:39,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2103617420] [2021-10-24 10:49:39,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2103617420] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:49:39,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:49:39,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:49:39,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970290982] [2021-10-24 10:49:39,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:49:39,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:49:39,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:49:39,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:49:39,011 INFO L87 Difference]: Start difference. First operand 222 states and 315 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:39,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:49:39,036 INFO L93 Difference]: Finished difference Result 331 states and 474 transitions. [2021-10-24 10:49:39,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:49:39,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 10:49:39,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:49:39,037 INFO L225 Difference]: With dead ends: 331 [2021-10-24 10:49:39,038 INFO L226 Difference]: Without dead ends: 115 [2021-10-24 10:49:39,039 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:49:39,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-24 10:49:39,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-24 10:49:39,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 114 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:39,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2021-10-24 10:49:39,052 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2021-10-24 10:49:39,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:49:39,053 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2021-10-24 10:49:39,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:39,053 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2021-10-24 10:49:39,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-24 10:49:39,054 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:49:39,055 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-24 10:49:39,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:49:39,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:49:39,270 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:49:39,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:49:39,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1852777620, now seen corresponding path program 1 times [2021-10-24 10:49:39,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:49:39,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [709704347] [2021-10-24 10:49:39,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:49:39,272 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:49:39,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:49:39,273 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:49:39,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:49:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:49:39,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 10:49:39,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:49:39,830 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:39,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:49:40,014 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:40,014 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:49:40,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [709704347] [2021-10-24 10:49:40,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [709704347] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:49:40,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1961360653] [2021-10-24 10:49:40,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:49:40,015 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:49:40,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:49:40,020 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:49:40,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-24 10:49:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:49:40,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:49:40,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:49:40,445 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-24 10:49:40,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:49:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-24 10:49:40,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1961360653] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:49:40,550 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:49:40,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-24 10:49:40,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189652858] [2021-10-24 10:49:40,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:49:40,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:49:40,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:49:40,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:49:40,552 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:40,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:49:40,666 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2021-10-24 10:49:40,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:49:40,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 39 [2021-10-24 10:49:40,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:49:40,668 INFO L225 Difference]: With dead ends: 235 [2021-10-24 10:49:40,668 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:49:40,669 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 88.8ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:49:40,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:49:40,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:49:40,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:40,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:49:40,670 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-24 10:49:40,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:49:40,670 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:49:40,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:40,671 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:49:40,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:49:40,674 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:49:40,674 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:49:40,675 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:49:40,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:49:40,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:49:41,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:49:41,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:49:41,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:41,571 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 690) no Hoare annotation was computed. [2021-10-24 10:49:41,572 INFO L853 garLoopResultBuilder]: At program point L498(lines 493 501) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:41,572 INFO L853 garLoopResultBuilder]: At program point L498-1(lines 493 501) the Hoare annotation is: false [2021-10-24 10:49:41,572 INFO L853 garLoopResultBuilder]: At program point L498-2(lines 493 501) the Hoare annotation is: false [2021-10-24 10:49:41,572 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:49:41,572 INFO L853 garLoopResultBuilder]: At program point L533(lines 533 539) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:41,572 INFO L853 garLoopResultBuilder]: At program point L533-1(lines 533 539) the Hoare annotation is: false [2021-10-24 10:49:41,573 INFO L853 garLoopResultBuilder]: At program point L533-2(lines 533 539) the Hoare annotation is: false [2021-10-24 10:49:41,573 INFO L853 garLoopResultBuilder]: At program point L666(lines 651 669) the Hoare annotation is: false [2021-10-24 10:49:41,573 INFO L853 garLoopResultBuilder]: At program point L666-1(lines 651 669) the Hoare annotation is: false [2021-10-24 10:49:41,573 INFO L853 garLoopResultBuilder]: At program point L666-2(lines 651 669) the Hoare annotation is: false [2021-10-24 10:49:41,573 INFO L857 garLoopResultBuilder]: For program point L848(lines 848 855) no Hoare annotation was computed. [2021-10-24 10:49:41,573 INFO L860 garLoopResultBuilder]: At program point L848-1(lines 848 855) the Hoare annotation is: true [2021-10-24 10:49:41,573 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 722) no Hoare annotation was computed. [2021-10-24 10:49:41,573 INFO L853 garLoopResultBuilder]: At program point L716-1(lines 716 722) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:41,573 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 457) no Hoare annotation was computed. [2021-10-24 10:49:41,574 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:49:41,574 INFO L853 garLoopResultBuilder]: At program point L884(lines 1 921) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:41,574 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 749) no Hoare annotation was computed. [2021-10-24 10:49:41,575 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 690) no Hoare annotation was computed. [2021-10-24 10:49:41,575 INFO L853 garLoopResultBuilder]: At program point L754(lines 705 755) the Hoare annotation is: false [2021-10-24 10:49:41,575 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:49:41,575 INFO L853 garLoopResultBuilder]: At program point L507(lines 502 510) the Hoare annotation is: false [2021-10-24 10:49:41,575 INFO L853 garLoopResultBuilder]: At program point L507-1(lines 502 510) the Hoare annotation is: false [2021-10-24 10:49:41,576 INFO L857 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2021-10-24 10:49:41,576 INFO L853 garLoopResultBuilder]: At program point L507-2(lines 502 510) the Hoare annotation is: false [2021-10-24 10:49:41,576 INFO L853 garLoopResultBuilder]: At program point L822(lines 818 824) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:41,576 INFO L857 garLoopResultBuilder]: For program point L690(line 690) no Hoare annotation was computed. [2021-10-24 10:49:41,576 INFO L857 garLoopResultBuilder]: For program point L690-1(line 690) no Hoare annotation was computed. [2021-10-24 10:49:41,576 INFO L857 garLoopResultBuilder]: For program point L690-2(line 690) no Hoare annotation was computed. [2021-10-24 10:49:41,577 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 575) no Hoare annotation was computed. [2021-10-24 10:49:41,577 INFO L857 garLoopResultBuilder]: For program point L558-1(lines 558 575) no Hoare annotation was computed. [2021-10-24 10:49:41,577 INFO L857 garLoopResultBuilder]: For program point L558-2(lines 558 575) no Hoare annotation was computed. [2021-10-24 10:49:41,577 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 918) no Hoare annotation was computed. [2021-10-24 10:49:41,577 INFO L853 garLoopResultBuilder]: At program point L905-1(lines 1 921) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:41,577 INFO L857 garLoopResultBuilder]: For program point L905-2(lines 905 918) no Hoare annotation was computed. [2021-10-24 10:49:41,578 INFO L853 garLoopResultBuilder]: At program point L905-3(lines 1 921) the Hoare annotation is: false [2021-10-24 10:49:41,578 INFO L857 garLoopResultBuilder]: For program point L905-4(lines 905 918) no Hoare annotation was computed. [2021-10-24 10:49:41,578 INFO L853 garLoopResultBuilder]: At program point L905-5(lines 1 921) the Hoare annotation is: false [2021-10-24 10:49:41,578 INFO L857 garLoopResultBuilder]: For program point L707(lines 706 753) no Hoare annotation was computed. [2021-10-24 10:49:41,578 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 680) no Hoare annotation was computed. [2021-10-24 10:49:41,578 INFO L853 garLoopResultBuilder]: At program point L674-1(lines 674 680) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:41,579 INFO L853 garLoopResultBuilder]: At program point L526(lines 525 544) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:41,579 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 526 532) no Hoare annotation was computed. [2021-10-24 10:49:41,579 INFO L853 garLoopResultBuilder]: At program point L526-2(lines 525 544) the Hoare annotation is: false [2021-10-24 10:49:41,579 INFO L853 garLoopResultBuilder]: At program point L526-3(lines 525 544) the Hoare annotation is: false [2021-10-24 10:49:41,579 INFO L857 garLoopResultBuilder]: For program point L708(lines 708 712) no Hoare annotation was computed. [2021-10-24 10:49:41,579 INFO L853 garLoopResultBuilder]: At program point L774-2(lines 774 788) the Hoare annotation is: false [2021-10-24 10:49:41,580 INFO L860 garLoopResultBuilder]: At program point L857(lines 838 860) the Hoare annotation is: true [2021-10-24 10:49:41,580 INFO L857 garLoopResultBuilder]: For program point L775(line 775) no Hoare annotation was computed. [2021-10-24 10:49:41,580 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 748) no Hoare annotation was computed. [2021-10-24 10:49:41,580 INFO L853 garLoopResultBuilder]: At program point L742-1(lines 526 532) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:41,580 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:49:41,581 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 690) no Hoare annotation was computed. [2021-10-24 10:49:41,581 INFO L857 garLoopResultBuilder]: For program point L726(lines 726 732) no Hoare annotation was computed. [2021-10-24 10:49:41,581 INFO L853 garLoopResultBuilder]: At program point L726-1(lines 726 732) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:41,581 INFO L857 garLoopResultBuilder]: For program point L660(lines 660 664) no Hoare annotation was computed. [2021-10-24 10:49:41,581 INFO L857 garLoopResultBuilder]: For program point L660-2(lines 660 664) no Hoare annotation was computed. [2021-10-24 10:49:41,581 INFO L857 garLoopResultBuilder]: For program point L660-3(lines 660 664) no Hoare annotation was computed. [2021-10-24 10:49:41,582 INFO L857 garLoopResultBuilder]: For program point L660-5(lines 660 664) no Hoare annotation was computed. [2021-10-24 10:49:41,582 INFO L857 garLoopResultBuilder]: For program point L660-6(lines 660 664) no Hoare annotation was computed. [2021-10-24 10:49:41,582 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 433) no Hoare annotation was computed. [2021-10-24 10:49:41,582 INFO L857 garLoopResultBuilder]: For program point L660-8(lines 660 664) no Hoare annotation was computed. [2021-10-24 10:49:41,582 INFO L857 garLoopResultBuilder]: For program point L429-3(lines 429 433) no Hoare annotation was computed. [2021-10-24 10:49:41,582 INFO L857 garLoopResultBuilder]: For program point L429-6(lines 429 433) no Hoare annotation was computed. [2021-10-24 10:49:41,583 INFO L853 garLoopResultBuilder]: At program point L611(lines 606 614) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:41,583 INFO L853 garLoopResultBuilder]: At program point L611-1(lines 606 614) the Hoare annotation is: false [2021-10-24 10:49:41,583 INFO L853 garLoopResultBuilder]: At program point L611-2(lines 606 614) the Hoare annotation is: false [2021-10-24 10:49:41,583 INFO L853 garLoopResultBuilder]: At program point L892(lines 887 895) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:41,583 INFO L857 garLoopResultBuilder]: For program point L562(lines 562 570) no Hoare annotation was computed. [2021-10-24 10:49:41,583 INFO L857 garLoopResultBuilder]: For program point L562-1(lines 562 570) no Hoare annotation was computed. [2021-10-24 10:49:41,584 INFO L857 garLoopResultBuilder]: For program point L562-2(lines 562 570) no Hoare annotation was computed. [2021-10-24 10:49:41,584 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 915) no Hoare annotation was computed. [2021-10-24 10:49:41,584 INFO L857 garLoopResultBuilder]: For program point L909-2(lines 909 915) no Hoare annotation was computed. [2021-10-24 10:49:41,584 INFO L857 garLoopResultBuilder]: For program point L909-4(lines 909 915) no Hoare annotation was computed. [2021-10-24 10:49:41,584 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 782) no Hoare annotation was computed. [2021-10-24 10:49:41,584 INFO L857 garLoopResultBuilder]: For program point L778-1(lines 526 532) no Hoare annotation was computed. [2021-10-24 10:49:41,589 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:49:41,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:49:41 BoogieIcfgContainer [2021-10-24 10:49:41,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:49:41,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:49:41,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:49:41,606 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:49:41,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:49:32" (3/4) ... [2021-10-24 10:49:41,609 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:49:41,625 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:49:41,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:49:41,627 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:49:41,627 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:49:41,628 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:49:41,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:49:41,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:49:41,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-24 10:49:41,693 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:49:41,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:49:41,695 INFO L168 Benchmark]: Toolchain (without parser) took 12820.65 ms. Allocated memory was 60.8 MB in the beginning and 100.7 MB in the end (delta: 39.8 MB). Free memory was 39.8 MB in the beginning and 76.2 MB in the end (delta: -36.4 MB). Peak memory consumption was 45.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:41,695 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 60.8 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:49:41,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1240.31 ms. Allocated memory is still 60.8 MB. Free memory was 39.6 MB in the beginning and 34.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:41,696 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.72 ms. Allocated memory is still 60.8 MB. Free memory was 34.2 MB in the beginning and 31.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:41,697 INFO L168 Benchmark]: Boogie Preprocessor took 47.48 ms. Allocated memory is still 60.8 MB. Free memory was 31.3 MB in the beginning and 28.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:41,697 INFO L168 Benchmark]: RCFGBuilder took 2431.06 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 28.9 MB in the beginning and 41.6 MB in the end (delta: -12.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:41,697 INFO L168 Benchmark]: TraceAbstraction took 8919.73 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 41.2 MB in the beginning and 40.7 MB in the end (delta: 506.1 kB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:41,698 INFO L168 Benchmark]: Witness Printer took 87.97 ms. Allocated memory is still 100.7 MB. Free memory was 40.1 MB in the beginning and 76.2 MB in the end (delta: -36.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:41,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 60.8 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1240.31 ms. Allocated memory is still 60.8 MB. Free memory was 39.6 MB in the beginning and 34.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.72 ms. Allocated memory is still 60.8 MB. Free memory was 34.2 MB in the beginning and 31.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.48 ms. Allocated memory is still 60.8 MB. Free memory was 31.3 MB in the beginning and 28.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2431.06 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 28.9 MB in the beginning and 41.6 MB in the end (delta: -12.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8919.73 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 41.2 MB in the beginning and 40.7 MB in the end (delta: 506.1 kB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * Witness Printer took 87.97 ms. Allocated memory is still 100.7 MB. Free memory was 40.1 MB in the beginning and 76.2 MB in the end (delta: -36.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 690]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 690]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 690]: 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, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8823.4ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 35.9ms, AutomataDifference: 2234.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 480.3ms, InitialAbstractionConstructionTime: 11.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 429 SDtfs, 620 SDslu, 624 SDs, 0 SdLazy, 128 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1655.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 297.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=5, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 129.9ms AutomataMinimizationTime, 7 MinimizatonAttempts, 224 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 5768 FormulaSimplificationTreeSizeReduction, 379.6ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 90.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 217.4ms SsaConstructionTime, 1179.1ms SatisfiabilityAnalysisTime, 1886.0ms InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 817 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1608 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:49:41,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9105aaab-f51d-4945-b38b-0ff8dfab4a03/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...