./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eddb06c8b1ed1fd6cdfeb54e7a4e328124ba187a ............................................................................................................................................ 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_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eddb06c8b1ed1fd6cdfeb54e7a4e328124ba187a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:12:48,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:12:48,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:12:49,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:12:49,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:12:49,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:12:49,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:12:49,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:12:49,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:12:49,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:12:49,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:12:49,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:12:49,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:12:49,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:12:49,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:12:49,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:12:49,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:12:49,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:12:49,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:12:49,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:12:49,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:12:49,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:12:49,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:12:49,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:12:49,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:12:49,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:12:49,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:12:49,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:12:49,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:12:49,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:12:49,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:12:49,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:12:49,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:12:49,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:12:49,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:12:49,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:12:49,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:12:49,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:12:49,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:12:49,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:12:49,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:12:49,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:12:49,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:12:49,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:12:49,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:12:49,164 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:12:49,165 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:12:49,165 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:12:49,165 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:12:49,165 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:12:49,166 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:12:49,166 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:12:49,173 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:12:49,174 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:12:49,174 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:12:49,174 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:12:49,174 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:12:49,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:12:49,176 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:12:49,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:12:49,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:12:49,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:12:49,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:12:49,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:12:49,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:12:49,177 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:12:49,177 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:12:49,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:12:49,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:12:49,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:12:49,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:12:49,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:12:49,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:12:49,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:12:49,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:12:49,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:12:49,182 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:12:49,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:12:49,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:12:49,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:12:49,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:12:49,183 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_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eddb06c8b1ed1fd6cdfeb54e7a4e328124ba187a [2021-10-16 03:12:49,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:12:49,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:12:49,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:12:49,513 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:12:49,514 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:12:49,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2021-10-16 03:12:49,592 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/data/955f2e5f4/bdf858dd709548ddb55bea338bcc859a/FLAG1f09a99e2 [2021-10-16 03:12:50,123 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:12:50,124 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2021-10-16 03:12:50,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/data/955f2e5f4/bdf858dd709548ddb55bea338bcc859a/FLAG1f09a99e2 [2021-10-16 03:12:50,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/data/955f2e5f4/bdf858dd709548ddb55bea338bcc859a [2021-10-16 03:12:50,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:12:50,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:12:50,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:12:50,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:12:50,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:12:50,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:12:50" (1/1) ... [2021-10-16 03:12:50,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f6fe77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:50, skipping insertion in model container [2021-10-16 03:12:50,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:12:50" (1/1) ... [2021-10-16 03:12:50,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:12:50,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:12:50,830 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_86f33658-524a-45ac-af7e-5d1e28195ce3/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c[5426,5439] [2021-10-16 03:12:50,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:12:50,913 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-16 03:12:50,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41df7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:50, skipping insertion in model container [2021-10-16 03:12:50,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:12:50,914 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 03:12:50,917 INFO L168 Benchmark]: Toolchain (without parser) took 494.72 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 54.9 MB in the beginning and 87.7 MB in the end (delta: -32.7 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:12:50,917 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory was 62.8 MB in the beginning and 62.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:12:50,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 491.29 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 54.7 MB in the beginning and 87.7 MB in the end (delta: -33.0 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:12:50,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory was 62.8 MB in the beginning and 62.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 491.29 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 54.7 MB in the beginning and 87.7 MB in the end (delta: -33.0 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 362]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:12:53,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:12:53,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:12:53,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:12:53,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:12:53,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:12:53,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:12:53,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:12:53,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:12:53,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:12:53,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:12:53,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:12:53,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:12:53,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:12:53,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:12:53,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:12:53,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:12:53,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:12:53,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:12:53,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:12:53,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:12:53,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:12:53,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:12:53,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:12:53,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:12:53,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:12:53,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:12:53,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:12:53,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:12:53,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:12:53,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:12:53,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:12:53,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:12:53,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:12:53,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:12:53,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:12:53,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:12:53,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:12:53,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:12:53,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:12:53,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:12:53,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:12:53,216 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:12:53,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:12:53,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:12:53,226 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:12:53,227 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:12:53,227 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:12:53,227 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:12:53,227 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:12:53,228 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:12:53,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:12:53,230 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:12:53,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:12:53,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:12:53,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:12:53,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:12:53,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:12:53,232 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:12:53,232 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:12:53,232 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:12:53,232 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:12:53,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:12:53,233 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:12:53,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:12:53,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:12:53,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:12:53,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:12:53,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:12:53,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:12:53,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:12:53,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:12:53,236 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:12:53,236 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:12:53,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:12:53,236 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:12:53,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:12:53,237 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_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eddb06c8b1ed1fd6cdfeb54e7a4e328124ba187a [2021-10-16 03:12:53,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:12:53,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:12:53,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:12:53,634 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:12:53,635 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:12:53,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2021-10-16 03:12:53,732 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/data/17987c1f0/6034dcba24544664b0737fc0eb6c700d/FLAG5c6cb2ca9 [2021-10-16 03:12:54,388 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:12:54,390 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2021-10-16 03:12:54,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/data/17987c1f0/6034dcba24544664b0737fc0eb6c700d/FLAG5c6cb2ca9 [2021-10-16 03:12:54,702 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/data/17987c1f0/6034dcba24544664b0737fc0eb6c700d [2021-10-16 03:12:54,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:12:54,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:12:54,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:12:54,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:12:54,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:12:54,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:12:54" (1/1) ... [2021-10-16 03:12:54,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f45c99d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:54, skipping insertion in model container [2021-10-16 03:12:54,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:12:54" (1/1) ... [2021-10-16 03:12:54,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:12:54,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:12:54,946 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_86f33658-524a-45ac-af7e-5d1e28195ce3/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c[5426,5439] [2021-10-16 03:12:55,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:12:55,100 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 03:12:55,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:12:55,127 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_86f33658-524a-45ac-af7e-5d1e28195ce3/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c[5426,5439] [2021-10-16 03:12:55,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:12:55,189 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:12:55,236 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_86f33658-524a-45ac-af7e-5d1e28195ce3/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c[5426,5439] [2021-10-16 03:12:55,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:12:55,329 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:12:55,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:55 WrapperNode [2021-10-16 03:12:55,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:12:55,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:12:55,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:12:55,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:12:55,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:55" (1/1) ... [2021-10-16 03:12:55,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:55" (1/1) ... [2021-10-16 03:12:55,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:12:55,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:12:55,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:12:55,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:12:55,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:55" (1/1) ... [2021-10-16 03:12:55,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:55" (1/1) ... [2021-10-16 03:12:55,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:55" (1/1) ... [2021-10-16 03:12:55,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:55" (1/1) ... [2021-10-16 03:12:55,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:55" (1/1) ... [2021-10-16 03:12:55,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:55" (1/1) ... [2021-10-16 03:12:55,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:55" (1/1) ... [2021-10-16 03:12:55,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:12:55,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:12:55,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:12:55,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:12:55,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:55" (1/1) ... [2021-10-16 03:12:55,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:12:55,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:12:55,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:12:55,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:12:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:12:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 03:12:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:12:55,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:12:57,917 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:12:57,917 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-16 03:12:57,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:12:57 BoogieIcfgContainer [2021-10-16 03:12:57,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:12:57,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:12:57,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:12:57,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:12:57,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:12:54" (1/3) ... [2021-10-16 03:12:57,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0ddb9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:12:57, skipping insertion in model container [2021-10-16 03:12:57,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:12:55" (2/3) ... [2021-10-16 03:12:57,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0ddb9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:12:57, skipping insertion in model container [2021-10-16 03:12:57,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:12:57" (3/3) ... [2021-10-16 03:12:57,929 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product26.cil.c [2021-10-16 03:12:57,934 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:12:57,935 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 03:12:57,984 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:12:57,990 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 03:12:57,990 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-16 03:12:58,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:12:58,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-16 03:12:58,010 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:12:58,011 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:12:58,011 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:12:58,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:12:58,017 INFO L82 PathProgramCache]: Analyzing trace with hash -139589629, now seen corresponding path program 1 times [2021-10-16 03:12:58,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:12:58,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654538644] [2021-10-16 03:12:58,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:12:58,046 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:12:58,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:12:58,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:12:58,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 03:12:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:12:58,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 03:12:58,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:12:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:12:58,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:12:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:12:58,444 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:12:58,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1654538644] [2021-10-16 03:12:58,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1654538644] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:12:58,445 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:12:58,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 03:12:58,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115771684] [2021-10-16 03:12:58,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 03:12:58,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:12:58,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 03:12:58,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:12:58,475 INFO L87 Difference]: Start difference. First operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:12:58,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:12:58,516 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2021-10-16 03:12:58,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 03:12:58,518 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-16 03:12:58,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:12:58,529 INFO L225 Difference]: With dead ends: 151 [2021-10-16 03:12:58,529 INFO L226 Difference]: Without dead ends: 75 [2021-10-16 03:12:58,533 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:12:58,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-16 03:12:58,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-16 03:12:58,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 72 states have (on average 1.4722222222222223) internal successors, (106), 74 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:12:58,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2021-10-16 03:12:58,585 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2021-10-16 03:12:58,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:12:58,585 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2021-10-16 03:12:58,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:12:58,586 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-10-16 03:12:58,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-16 03:12:58,587 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:12:58,588 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:12:58,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:12:58,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:12:58,812 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:12:58,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:12:58,813 INFO L82 PathProgramCache]: Analyzing trace with hash 221130307, now seen corresponding path program 1 times [2021-10-16 03:12:58,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:12:58,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1580062927] [2021-10-16 03:12:58,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:12:58,814 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:12:58,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:12:58,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:12:58,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 03:12:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:12:59,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:12:59,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:12:59,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:12:59,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:12:59,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:12:59,182 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:12:59,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1580062927] [2021-10-16 03:12:59,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1580062927] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:12:59,183 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:12:59,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:12:59,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154408512] [2021-10-16 03:12:59,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:12:59,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:12:59,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:12:59,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:12:59,186 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:12:59,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:12:59,199 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2021-10-16 03:12:59,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:12:59,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 19 [2021-10-16 03:12:59,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:12:59,200 INFO L225 Difference]: With dead ends: 75 [2021-10-16 03:12:59,201 INFO L226 Difference]: Without dead ends: 35 [2021-10-16 03:12:59,202 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:12:59,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-16 03:12:59,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-16 03:12:59,206 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) [2021-10-16 03:12:59,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-16 03:12:59,207 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-16 03:12:59,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:12:59,207 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-16 03:12:59,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:12:59,208 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-16 03:12:59,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-16 03:12:59,209 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:12:59,209 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:12:59,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 03:12:59,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:12:59,421 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:12:59,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:12:59,422 INFO L82 PathProgramCache]: Analyzing trace with hash -716043337, now seen corresponding path program 1 times [2021-10-16 03:12:59,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:12:59,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113328751] [2021-10-16 03:12:59,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:12:59,424 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:12:59,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:12:59,425 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:12:59,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 03:12:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:12:59,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:12:59,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:12:59,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:12:59,732 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:12:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:12:59,806 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:12:59,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113328751] [2021-10-16 03:12:59,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [113328751] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:12:59,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:12:59,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:12:59,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642856409] [2021-10-16 03:12:59,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:12:59,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:12:59,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:12:59,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:12:59,809 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:12:59,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:12:59,847 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2021-10-16 03:12:59,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:12:59,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-16 03:12:59,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:12:59,849 INFO L225 Difference]: With dead ends: 63 [2021-10-16 03:12:59,849 INFO L226 Difference]: Without dead ends: 35 [2021-10-16 03:12:59,850 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:12:59,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-16 03:12:59,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-16 03:12:59,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:12:59,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2021-10-16 03:12:59,854 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2021-10-16 03:12:59,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:12:59,855 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2021-10-16 03:12:59,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:12:59,855 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-10-16 03:12:59,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-16 03:12:59,856 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:12:59,856 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:12:59,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-16 03:13:00,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:13:00,068 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:13:00,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:13:00,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1023539591, now seen corresponding path program 1 times [2021-10-16 03:13:00,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:13:00,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1841045790] [2021-10-16 03:13:00,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:13:00,070 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:13:00,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:13:00,077 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:13:00,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 03:13:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:13:00,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:13:00,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:13:00,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:13:00,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:13:00,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:13:00,556 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:13:00,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1841045790] [2021-10-16 03:13:00,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1841045790] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:13:00,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:13:00,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-16 03:13:00,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776471754] [2021-10-16 03:13:00,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 03:13:00,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:13:00,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 03:13:00,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:13:00,560 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:13:00,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:13:00,674 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2021-10-16 03:13:00,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 03:13:00,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-16 03:13:00,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:13:00,680 INFO L225 Difference]: With dead ends: 154 [2021-10-16 03:13:00,680 INFO L226 Difference]: Without dead ends: 126 [2021-10-16 03:13:00,680 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 49.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-16 03:13:00,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-16 03:13:00,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2021-10-16 03:13:00,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 57 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:13:00,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2021-10-16 03:13:00,702 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2021-10-16 03:13:00,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:13:00,702 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2021-10-16 03:13:00,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:13:00,703 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2021-10-16 03:13:00,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-16 03:13:00,704 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:13:00,704 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] [2021-10-16 03:13:00,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 03:13:00,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:13:00,920 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:13:00,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:13:00,921 INFO L82 PathProgramCache]: Analyzing trace with hash -917769487, now seen corresponding path program 1 times [2021-10-16 03:13:00,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:13:00,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681262883] [2021-10-16 03:13:00,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:13:00,922 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:13:00,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:13:00,923 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:13:00,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 03:13:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:13:01,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:13:01,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:13:01,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:13:01,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:13:01,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:13:01,315 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:13:01,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681262883] [2021-10-16 03:13:01,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1681262883] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:13:01,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:13:01,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 03:13:01,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192390065] [2021-10-16 03:13:01,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 03:13:01,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:13:01,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 03:13:01,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:13:01,322 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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) [2021-10-16 03:13:01,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:13:01,431 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2021-10-16 03:13:01,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 03:13:01,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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 [2021-10-16 03:13:01,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:13:01,432 INFO L225 Difference]: With dead ends: 150 [2021-10-16 03:13:01,432 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 03:13:01,436 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:13:01,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 03:13:01,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 03:13:01,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:13:01,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 03:13:01,437 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-16 03:13:01,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:13:01,438 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 03:13:01,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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) [2021-10-16 03:13:01,438 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 03:13:01,438 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 03:13:01,442 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:13:01,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:13:01,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:13:01,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 03:13:01,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:13:01,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 03:13:01,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:01,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:13:02,009 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 329) no Hoare annotation was computed. [2021-10-16 03:13:02,009 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 917) no Hoare annotation was computed. [2021-10-16 03:13:02,009 INFO L853 garLoopResultBuilder]: At program point L911-1(lines 911 917) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:13:02,009 INFO L857 garLoopResultBuilder]: For program point L746(lines 746 754) no Hoare annotation was computed. [2021-10-16 03:13:02,009 INFO L857 garLoopResultBuilder]: For program point L746-1(lines 746 754) no Hoare annotation was computed. [2021-10-16 03:13:02,010 INFO L857 garLoopResultBuilder]: For program point L746-2(lines 746 754) no Hoare annotation was computed. [2021-10-16 03:13:02,010 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 866) no Hoare annotation was computed. [2021-10-16 03:13:02,010 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 03:13:02,010 INFO L857 garLoopResultBuilder]: For program point L862-2(lines 862 866) no Hoare annotation was computed. [2021-10-16 03:13:02,010 INFO L857 garLoopResultBuilder]: For program point L862-3(lines 862 866) no Hoare annotation was computed. [2021-10-16 03:13:02,010 INFO L857 garLoopResultBuilder]: For program point L218(lines 218 225) no Hoare annotation was computed. [2021-10-16 03:13:02,010 INFO L857 garLoopResultBuilder]: For program point L862-5(lines 862 866) no Hoare annotation was computed. [2021-10-16 03:13:02,010 INFO L860 garLoopResultBuilder]: At program point L218-1(lines 218 225) the Hoare annotation is: true [2021-10-16 03:13:02,011 INFO L857 garLoopResultBuilder]: For program point L862-6(lines 862 866) no Hoare annotation was computed. [2021-10-16 03:13:02,011 INFO L857 garLoopResultBuilder]: For program point L862-8(lines 862 866) no Hoare annotation was computed. [2021-10-16 03:13:02,011 INFO L853 garLoopResultBuilder]: At program point L813(lines 808 816) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:13:02,011 INFO L853 garLoopResultBuilder]: At program point L813-1(lines 808 816) the Hoare annotation is: false [2021-10-16 03:13:02,011 INFO L853 garLoopResultBuilder]: At program point L813-2(lines 808 816) the Hoare annotation is: false [2021-10-16 03:13:02,011 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 933) no Hoare annotation was computed. [2021-10-16 03:13:02,011 INFO L853 garLoopResultBuilder]: At program point L929-2(lines 710 716) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:13:02,011 INFO L853 garLoopResultBuilder]: At program point L320(lines 315 323) the Hoare annotation is: false [2021-10-16 03:13:02,012 INFO L853 garLoopResultBuilder]: At program point L320-1(lines 315 323) the Hoare annotation is: false [2021-10-16 03:13:02,012 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 258) no Hoare annotation was computed. [2021-10-16 03:13:02,012 INFO L853 garLoopResultBuilder]: At program point L320-2(lines 315 323) the Hoare annotation is: false [2021-10-16 03:13:02,012 INFO L853 garLoopResultBuilder]: At program point L717(lines 717 723) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:13:02,012 INFO L853 garLoopResultBuilder]: At program point L717-1(lines 717 723) the Hoare annotation is: false [2021-10-16 03:13:02,012 INFO L853 garLoopResultBuilder]: At program point L717-2(lines 717 723) the Hoare annotation is: false [2021-10-16 03:13:02,012 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 03:13:02,013 INFO L857 garLoopResultBuilder]: For program point L108(lines 108 125) no Hoare annotation was computed. [2021-10-16 03:13:02,013 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 946) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:13:02,013 INFO L853 garLoopResultBuilder]: At program point L108-1(lines 1 946) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:13:02,013 INFO L857 garLoopResultBuilder]: For program point L108-2(lines 108 125) no Hoare annotation was computed. [2021-10-16 03:13:02,013 INFO L853 garLoopResultBuilder]: At program point L108-3(lines 1 946) the Hoare annotation is: false [2021-10-16 03:13:02,013 INFO L857 garLoopResultBuilder]: For program point L108-4(lines 108 125) no Hoare annotation was computed. [2021-10-16 03:13:02,013 INFO L853 garLoopResultBuilder]: At program point L108-5(lines 1 946) the Hoare annotation is: false [2021-10-16 03:13:02,013 INFO L857 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2021-10-16 03:13:02,014 INFO L853 garLoopResultBuilder]: At program point L901-1(lines 901 907) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:13:02,014 INFO L853 garLoopResultBuilder]: At program point L868(lines 853 871) the Hoare annotation is: false [2021-10-16 03:13:02,014 INFO L853 garLoopResultBuilder]: At program point L868-1(lines 853 871) the Hoare annotation is: false [2021-10-16 03:13:02,014 INFO L853 garLoopResultBuilder]: At program point L868-2(lines 853 871) the Hoare annotation is: false [2021-10-16 03:13:02,014 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 329) no Hoare annotation was computed. [2021-10-16 03:13:02,014 INFO L853 garLoopResultBuilder]: At program point L142-2(lines 142 156) the Hoare annotation is: false [2021-10-16 03:13:02,014 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 246) no Hoare annotation was computed. [2021-10-16 03:13:02,014 INFO L857 garLoopResultBuilder]: For program point L242-3(lines 242 246) no Hoare annotation was computed. [2021-10-16 03:13:02,015 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-16 03:13:02,015 INFO L857 garLoopResultBuilder]: For program point L242-6(lines 242 246) no Hoare annotation was computed. [2021-10-16 03:13:02,018 INFO L853 garLoopResultBuilder]: At program point L193(lines 189 195) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:13:02,018 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 03:13:02,019 INFO L860 garLoopResultBuilder]: At program point L227(lines 208 230) the Hoare annotation is: true [2021-10-16 03:13:02,022 INFO L857 garLoopResultBuilder]: For program point L921(lines 921 934) no Hoare annotation was computed. [2021-10-16 03:13:02,022 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 122) no Hoare annotation was computed. [2021-10-16 03:13:02,024 INFO L857 garLoopResultBuilder]: For program point L112-2(lines 112 122) no Hoare annotation was computed. [2021-10-16 03:13:02,025 INFO L857 garLoopResultBuilder]: For program point L112-4(lines 112 122) no Hoare annotation was computed. [2021-10-16 03:13:02,025 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 150) no Hoare annotation was computed. [2021-10-16 03:13:02,025 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2021-10-16 03:13:02,026 INFO L857 garLoopResultBuilder]: For program point L146-1(lines 710 716) no Hoare annotation was computed. [2021-10-16 03:13:02,027 INFO L857 garLoopResultBuilder]: For program point L113-2(lines 113 119) no Hoare annotation was computed. [2021-10-16 03:13:02,027 INFO L857 garLoopResultBuilder]: For program point L113-4(lines 113 119) no Hoare annotation was computed. [2021-10-16 03:13:02,027 INFO L853 garLoopResultBuilder]: At program point L939(lines 890 940) the Hoare annotation is: false [2021-10-16 03:13:02,027 INFO L853 garLoopResultBuilder]: At program point L97(lines 92 99) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:13:02,028 INFO L853 garLoopResultBuilder]: At program point L279(lines 274 282) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:13:02,028 INFO L853 garLoopResultBuilder]: At program point L279-1(lines 274 282) the Hoare annotation is: false [2021-10-16 03:13:02,032 INFO L853 garLoopResultBuilder]: At program point L279-2(lines 274 282) the Hoare annotation is: false [2021-10-16 03:13:02,032 INFO L857 garLoopResultBuilder]: For program point L329(line 329) no Hoare annotation was computed. [2021-10-16 03:13:02,032 INFO L857 garLoopResultBuilder]: For program point L329-1(line 329) no Hoare annotation was computed. [2021-10-16 03:13:02,032 INFO L857 garLoopResultBuilder]: For program point L329-2(line 329) no Hoare annotation was computed. [2021-10-16 03:13:02,032 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 759) no Hoare annotation was computed. [2021-10-16 03:13:02,033 INFO L857 garLoopResultBuilder]: For program point L742-1(lines 742 759) no Hoare annotation was computed. [2021-10-16 03:13:02,034 INFO L857 garLoopResultBuilder]: For program point L742-2(lines 742 759) no Hoare annotation was computed. [2021-10-16 03:13:02,035 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 03:13:02,035 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 329) no Hoare annotation was computed. [2021-10-16 03:13:02,036 INFO L853 garLoopResultBuilder]: At program point L710(lines 709 728) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:13:02,037 INFO L857 garLoopResultBuilder]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2021-10-16 03:13:02,037 INFO L853 garLoopResultBuilder]: At program point L710-2(lines 709 728) the Hoare annotation is: false [2021-10-16 03:13:02,037 INFO L853 garLoopResultBuilder]: At program point L710-3(lines 709 728) the Hoare annotation is: false [2021-10-16 03:13:02,037 INFO L857 garLoopResultBuilder]: For program point L892(lines 891 938) no Hoare annotation was computed. [2021-10-16 03:13:02,037 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:13:02,038 INFO L857 garLoopResultBuilder]: For program point L893(lines 893 897) no Hoare annotation was computed. [2021-10-16 03:13:02,038 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 270) no Hoare annotation was computed. [2021-10-16 03:13:02,042 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:13:02,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:13:02 BoogieIcfgContainer [2021-10-16 03:13:02,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:13:02,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:13:02,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:13:02,076 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:13:02,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:12:57" (3/4) ... [2021-10-16 03:13:02,080 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 03:13:02,102 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-16 03:13:02,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-16 03:13:02,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-16 03:13:02,104 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-16 03:13:02,105 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-16 03:13:02,106 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:13:02,106 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:13:02,152 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-16 03:13:02,225 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 03:13:02,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:13:02,227 INFO L168 Benchmark]: Toolchain (without parser) took 7519.26 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 53.2 MB in the beginning and 31.9 MB in the end (delta: 21.2 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:02,228 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 73.4 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:13:02,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.31 ms. Allocated memory is still 73.4 MB. Free memory was 53.0 MB in the beginning and 43.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:02,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.80 ms. Allocated memory is still 73.4 MB. Free memory was 43.0 MB in the beginning and 40.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:02,229 INFO L168 Benchmark]: Boogie Preprocessor took 40.82 ms. Allocated memory is still 73.4 MB. Free memory was 40.0 MB in the beginning and 37.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:02,230 INFO L168 Benchmark]: RCFGBuilder took 2448.88 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 37.7 MB in the beginning and 46.4 MB in the end (delta: -8.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:02,230 INFO L168 Benchmark]: TraceAbstraction took 4153.53 ms. Allocated memory is still 88.1 MB. Free memory was 45.9 MB in the beginning and 38.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:02,231 INFO L168 Benchmark]: Witness Printer took 149.97 ms. Allocated memory is still 88.1 MB. Free memory was 38.2 MB in the beginning and 31.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:02,233 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 73.4 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 621.31 ms. Allocated memory is still 73.4 MB. Free memory was 53.0 MB in the beginning and 43.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.80 ms. Allocated memory is still 73.4 MB. Free memory was 43.0 MB in the beginning and 40.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.82 ms. Allocated memory is still 73.4 MB. Free memory was 40.0 MB in the beginning and 37.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2448.88 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 37.7 MB in the beginning and 46.4 MB in the end (delta: -8.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4153.53 ms. Allocated memory is still 88.1 MB. Free memory was 45.9 MB in the beginning and 38.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Witness Printer took 149.97 ms. Allocated memory is still 88.1 MB. Free memory was 38.2 MB in the beginning and 31.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 329]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 329]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 329]: 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, 79 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4060.1ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 14.1ms, AutomataDifference: 375.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 352.7ms, InitialAbstractionConstructionTime: 10.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 328 SDtfs, 312 SDslu, 300 SDs, 0 SdLazy, 41 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 102.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 113.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 69.1ms AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 143 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1295 FormulaSimplificationTreeSizeReduction, 238.7ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 105.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 117.8ms SsaConstructionTime, 591.9ms SatisfiabilityAnalysisTime, 934.3ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 SizeOfPredicates, 7 NumberOfNonLiveVariables, 991 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-16 03:13:02,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f33658-524a-45ac-af7e-5d1e28195ce3/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...