./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw --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 ecbd3b7927e701d55fc39288fc091a7415141c93c89521192fc4dc52b10e4c6c ............................................................................................................................................ 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_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw --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 ecbd3b7927e701d55fc39288fc091a7415141c93c89521192fc4dc52b10e4c6c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 06:12:31,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:12:31,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:12:31,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:12:31,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:12:31,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:12:31,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:12:31,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:12:31,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:12:32,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:12:32,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:12:32,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:12:32,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:12:32,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:12:32,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:12:32,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:12:32,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:12:32,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:12:32,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:12:32,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:12:32,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:12:32,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:12:32,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:12:32,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:12:32,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:12:32,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:12:32,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:12:32,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:12:32,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:12:32,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:12:32,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:12:32,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:12:32,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:12:32,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:12:32,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:12:32,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:12:32,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:12:32,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:12:32,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:12:32,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:12:32,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:12:32,089 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 06:12:32,141 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:12:32,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:12:32,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:12:32,145 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:12:32,145 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:12:32,145 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:12:32,145 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 06:12:32,146 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:12:32,146 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:12:32,146 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 06:12:32,147 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 06:12:32,148 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:12:32,148 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 06:12:32,148 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 06:12:32,148 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 06:12:32,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:12:32,150 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:12:32,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 06:12:32,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:12:32,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:12:32,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:12:32,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:12:32,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:12:32,151 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:12:32,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:12:32,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:12:32,152 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:12:32,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:12:32,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:12:32,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:12:32,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:12:32,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:12:32,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:12:32,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:12:32,156 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 06:12:32,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 06:12:32,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:12:32,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:12:32,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:12:32,157 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_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbd3b7927e701d55fc39288fc091a7415141c93c89521192fc4dc52b10e4c6c [2021-10-20 06:12:32,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:12:32,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:12:32,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:12:32,525 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:12:32,526 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:12:32,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2021-10-20 06:12:32,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/data/b570d03a7/704ec0e98c56417982a2e942440dbf7d/FLAG0c35f7167 [2021-10-20 06:12:33,283 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:12:33,284 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2021-10-20 06:12:33,300 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/data/b570d03a7/704ec0e98c56417982a2e942440dbf7d/FLAG0c35f7167 [2021-10-20 06:12:33,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/data/b570d03a7/704ec0e98c56417982a2e942440dbf7d [2021-10-20 06:12:33,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:12:33,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:12:33,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:12:33,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:12:33,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:12:33,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:12:33" (1/1) ... [2021-10-20 06:12:33,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aee83a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:12:33, skipping insertion in model container [2021-10-20 06:12:33,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:12:33" (1/1) ... [2021-10-20 06:12:33,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:12:33,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:12:33,844 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_d8f415a7-213a-452e-b955-4fe0856d59fc/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c[1605,1618] [2021-10-20 06:12:34,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:12:34,073 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) [2021-10-20 06:12:34,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e70511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:12:34, skipping insertion in model container [2021-10-20 06:12:34,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 06:12:34,074 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 06:12:34,077 INFO L168 Benchmark]: Toolchain (without parser) took 554.10 ms. Allocated memory was 79.7 MB in the beginning and 104.9 MB in the end (delta: 25.2 MB). Free memory was 45.2 MB in the beginning and 78.2 MB in the end (delta: -33.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 06:12:34,078 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory was 52.3 MB in the beginning and 52.3 MB in the end (delta: 25.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:12:34,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.66 ms. Allocated memory was 79.7 MB in the beginning and 104.9 MB in the end (delta: 25.2 MB). Free memory was 45.0 MB in the beginning and 78.2 MB in the end (delta: -33.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 06:12:34,082 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory was 52.3 MB in the beginning and 52.3 MB in the end (delta: 25.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 548.66 ms. Allocated memory was 79.7 MB in the beginning and 104.9 MB in the end (delta: 25.2 MB). Free memory was 45.0 MB in the beginning and 78.2 MB in the end (delta: -33.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 87]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 06:12:36,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:12:36,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:12:36,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:12:36,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:12:36,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:12:36,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:12:37,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:12:37,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:12:37,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:12:37,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:12:37,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:12:37,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:12:37,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:12:37,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:12:37,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:12:37,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:12:37,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:12:37,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:12:37,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:12:37,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:12:37,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:12:37,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:12:37,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:12:37,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:12:37,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:12:37,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:12:37,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:12:37,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:12:37,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:12:37,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:12:37,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:12:37,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:12:37,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:12:37,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:12:37,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:12:37,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:12:37,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:12:37,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:12:37,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:12:37,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:12:37,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-20 06:12:37,140 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:12:37,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:12:37,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:12:37,143 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:12:37,143 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:12:37,143 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:12:37,144 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:12:37,144 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:12:37,144 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:12:37,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:12:37,151 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:12:37,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:12:37,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:12:37,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:12:37,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:12:37,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:12:37,153 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:12:37,153 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 06:12:37,153 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 06:12:37,154 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:12:37,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:12:37,154 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:12:37,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:12:37,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:12:37,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 06:12:37,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:12:37,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:12:37,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:12:37,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:12:37,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:12:37,157 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 06:12:37,157 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 06:12:37,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:12:37,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:12:37,159 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:12:37,159 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_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbd3b7927e701d55fc39288fc091a7415141c93c89521192fc4dc52b10e4c6c [2021-10-20 06:12:37,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:12:37,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:12:37,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:12:37,712 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:12:37,713 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:12:37,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2021-10-20 06:12:37,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/data/0cec4d583/a0567dd8f3c344c09b45d69c5df93a48/FLAG17321b228 [2021-10-20 06:12:38,526 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:12:38,539 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2021-10-20 06:12:38,566 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/data/0cec4d583/a0567dd8f3c344c09b45d69c5df93a48/FLAG17321b228 [2021-10-20 06:12:38,755 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/data/0cec4d583/a0567dd8f3c344c09b45d69c5df93a48 [2021-10-20 06:12:38,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:12:38,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:12:38,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:12:38,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:12:38,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:12:38,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:12:38" (1/1) ... [2021-10-20 06:12:38,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40716892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:12:38, skipping insertion in model container [2021-10-20 06:12:38,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:12:38" (1/1) ... [2021-10-20 06:12:38,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:12:38,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:12:39,072 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_d8f415a7-213a-452e-b955-4fe0856d59fc/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c[1605,1618] [2021-10-20 06:12:39,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:12:39,372 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-20 06:12:39,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:12:39,407 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_d8f415a7-213a-452e-b955-4fe0856d59fc/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c[1605,1618] [2021-10-20 06:12:39,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:12:39,546 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 06:12:39,565 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_d8f415a7-213a-452e-b955-4fe0856d59fc/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c[1605,1618] [2021-10-20 06:12:39,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:12:39,644 INFO L208 MainTranslator]: Completed translation [2021-10-20 06:12:39,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:12:39 WrapperNode [2021-10-20 06:12:39,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 06:12:39,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 06:12:39,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 06:12:39,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 06:12:39,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:12:39" (1/1) ... [2021-10-20 06:12:39,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:12:39" (1/1) ... [2021-10-20 06:12:39,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 06:12:39,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 06:12:39,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 06:12:39,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 06:12:39,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:12:39" (1/1) ... [2021-10-20 06:12:39,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:12:39" (1/1) ... [2021-10-20 06:12:39,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:12:39" (1/1) ... [2021-10-20 06:12:39,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:12:39" (1/1) ... [2021-10-20 06:12:39,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:12:39" (1/1) ... [2021-10-20 06:12:39,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:12:39" (1/1) ... [2021-10-20 06:12:39,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:12:39" (1/1) ... [2021-10-20 06:12:39,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 06:12:39,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 06:12:39,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 06:12:39,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 06:12:39,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:12:39" (1/1) ... [2021-10-20 06:12:39,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:12:39,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:12:39,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 06:12:39,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 06:12:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 06:12:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 06:12:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 06:12:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 06:12:42,724 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 06:12:42,724 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-20 06:12:42,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:12:42 BoogieIcfgContainer [2021-10-20 06:12:42,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 06:12:42,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 06:12:42,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 06:12:42,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 06:12:42,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:12:38" (1/3) ... [2021-10-20 06:12:42,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ba904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:12:42, skipping insertion in model container [2021-10-20 06:12:42,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:12:39" (2/3) ... [2021-10-20 06:12:42,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ba904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:12:42, skipping insertion in model container [2021-10-20 06:12:42,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:12:42" (3/3) ... [2021-10-20 06:12:42,736 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2021-10-20 06:12:42,743 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 06:12:42,743 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-20 06:12:42,811 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 06:12:42,819 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-20 06:12:42,820 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-20 06:12:42,839 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:12:42,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-20 06:12:42,847 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:12:42,847 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:12:42,848 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:12:42,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:12:42,855 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2021-10-20 06:12:42,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:12:42,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [941051028] [2021-10-20 06:12:42,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:12:42,875 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:12:42,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:12:42,885 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:12:42,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 06:12:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:12:43,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-20 06:12:43,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:12:43,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:12:43,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:12:43,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:12:43,326 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:12:43,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [941051028] [2021-10-20 06:12:43,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [941051028] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:12:43,327 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:12:43,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 06:12:43,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418057576] [2021-10-20 06:12:43,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 06:12:43,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:12:43,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 06:12:43,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 06:12:43,355 INFO L87 Difference]: Start difference. First operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:12:43,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:12:43,385 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-20 06:12:43,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 06:12:43,387 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-20 06:12:43,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:12:43,399 INFO L225 Difference]: With dead ends: 148 [2021-10-20 06:12:43,399 INFO L226 Difference]: Without dead ends: 73 [2021-10-20 06:12:43,402 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 06:12:43,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-20 06:12:43,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-20 06:12:43,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:12:43,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-20 06:12:43,449 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-10-20 06:12:43,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:12:43,450 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-20 06:12:43,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:12:43,451 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-20 06:12:43,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-20 06:12:43,452 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:12:43,452 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:12:43,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-20 06:12:43,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:12:43,668 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:12:43,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:12:43,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2021-10-20 06:12:43,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:12:43,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1653043816] [2021-10-20 06:12:43,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:12:43,672 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:12:43,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:12:43,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:12:43,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-20 06:12:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:12:43,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 06:12:43,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:12:44,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:12:44,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:12:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:12:44,135 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:12:44,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1653043816] [2021-10-20 06:12:44,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1653043816] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:12:44,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:12:44,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 06:12:44,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187595147] [2021-10-20 06:12:44,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:12:44,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:12:44,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:12:44,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:12:44,140 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:12:44,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:12:44,156 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-20 06:12:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:12:44,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-20 06:12:44,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:12:44,158 INFO L225 Difference]: With dead ends: 73 [2021-10-20 06:12:44,158 INFO L226 Difference]: Without dead ends: 35 [2021-10-20 06:12:44,159 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:12:44,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-20 06:12:44,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-20 06:12:44,165 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) [2021-10-20 06:12:44,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-20 06:12:44,166 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-10-20 06:12:44,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:12:44,167 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-20 06:12:44,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:12:44,167 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-20 06:12:44,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-20 06:12:44,168 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:12:44,169 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:12:44,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-20 06:12:44,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:12:44,384 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:12:44,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:12:44,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2021-10-20 06:12:44,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:12:44,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1836916165] [2021-10-20 06:12:44,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:12:44,386 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:12:44,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:12:44,388 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:12:44,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-20 06:12:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:12:44,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 06:12:44,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:12:44,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:12:44,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:12:44,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:12:44,837 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:12:44,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1836916165] [2021-10-20 06:12:44,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1836916165] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:12:44,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:12:44,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 06:12:44,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174491420] [2021-10-20 06:12:44,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:12:44,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:12:44,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:12:44,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:12:44,849 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:12:44,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:12:44,929 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2021-10-20 06:12:44,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 06:12:44,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-20 06:12:44,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:12:44,940 INFO L225 Difference]: With dead ends: 116 [2021-10-20 06:12:44,940 INFO L226 Difference]: Without dead ends: 87 [2021-10-20 06:12:44,942 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:12:44,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-20 06:12:44,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2021-10-20 06:12:44,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.471698113207547) internal successors, (78), 53 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:12:44,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2021-10-20 06:12:44,967 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2021-10-20 06:12:44,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:12:44,968 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2021-10-20 06:12:44,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:12:44,969 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2021-10-20 06:12:44,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-20 06:12:44,971 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:12:44,972 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:12:44,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-20 06:12:45,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:12:45,188 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:12:45,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:12:45,189 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2021-10-20 06:12:45,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:12:45,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1816659305] [2021-10-20 06:12:45,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:12:45,191 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:12:45,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:12:45,192 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:12:45,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-20 06:12:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:12:45,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 06:12:45,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:12:45,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:12:45,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:12:45,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:12:45,770 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:12:45,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1816659305] [2021-10-20 06:12:45,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1816659305] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:12:45,772 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:12:45,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-20 06:12:45,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124889328] [2021-10-20 06:12:45,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 06:12:45,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:12:45,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 06:12:45,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-20 06:12:45,775 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-20 06:12:45,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:12:45,941 INFO L93 Difference]: Finished difference Result 256 states and 391 transitions. [2021-10-20 06:12:45,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-20 06:12:45,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-20 06:12:45,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:12:45,947 INFO L225 Difference]: With dead ends: 256 [2021-10-20 06:12:45,947 INFO L226 Difference]: Without dead ends: 208 [2021-10-20 06:12:45,948 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 63.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-20 06:12:45,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-10-20 06:12:45,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 96. [2021-10-20 06:12:45,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 95 states have internal predecessors, (139), 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) [2021-10-20 06:12:46,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2021-10-20 06:12:46,000 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 23 [2021-10-20 06:12:46,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:12:46,000 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2021-10-20 06:12:46,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-20 06:12:46,002 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2021-10-20 06:12:46,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-20 06:12:46,004 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:12:46,005 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] [2021-10-20 06:12:46,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-20 06:12:46,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:12:46,220 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:12:46,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:12:46,221 INFO L82 PathProgramCache]: Analyzing trace with hash -207760452, now seen corresponding path program 1 times [2021-10-20 06:12:46,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:12:46,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1223587123] [2021-10-20 06:12:46,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:12:46,222 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:12:46,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:12:46,224 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:12:46,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-20 06:12:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:12:46,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 06:12:46,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:12:46,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:12:46,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:12:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:12:46,684 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:12:46,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1223587123] [2021-10-20 06:12:46,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1223587123] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:12:46,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:12:46,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-20 06:12:46,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860542946] [2021-10-20 06:12:46,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 06:12:46,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:12:46,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 06:12:46,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-20 06:12:46,688 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:12:46,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:12:46,811 INFO L93 Difference]: Finished difference Result 286 states and 425 transitions. [2021-10-20 06:12:46,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 06:12:46,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-20 06:12:46,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:12:46,813 INFO L225 Difference]: With dead ends: 286 [2021-10-20 06:12:46,813 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 06:12:46,815 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 42.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-20 06:12:46,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 06:12:46,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 06:12:46,825 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) [2021-10-20 06:12:46,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 06:12:46,827 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-20 06:12:46,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:12:46,827 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 06:12:46,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:12:46,828 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 06:12:46,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 06:12:46,831 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:12:46,832 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:12:46,833 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:12:46,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-20 06:12:47,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:12:47,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 06:12:47,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:12:47,596 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-20 06:12:47,596 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 06:12:47,596 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 580) no Hoare annotation was computed. [2021-10-20 06:12:47,596 INFO L853 garLoopResultBuilder]: At program point L516(lines 511 519) the Hoare annotation is: false [2021-10-20 06:12:47,597 INFO L853 garLoopResultBuilder]: At program point L516-1(lines 511 519) the Hoare annotation is: false [2021-10-20 06:12:47,597 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 454) no Hoare annotation was computed. [2021-10-20 06:12:47,597 INFO L853 garLoopResultBuilder]: At program point L516-2(lines 511 519) the Hoare annotation is: false [2021-10-20 06:12:47,597 INFO L853 garLoopResultBuilder]: At program point L764(lines 749 767) the Hoare annotation is: false [2021-10-20 06:12:47,597 INFO L853 garLoopResultBuilder]: At program point L764-1(lines 749 767) the Hoare annotation is: false [2021-10-20 06:12:47,598 INFO L853 garLoopResultBuilder]: At program point L764-2(lines 749 767) the Hoare annotation is: false [2021-10-20 06:12:47,598 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-20 06:12:47,598 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-20 06:12:47,598 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-20 06:12:47,598 INFO L860 garLoopResultBuilder]: At program point L947(lines 928 950) the Hoare annotation is: true [2021-10-20 06:12:47,599 INFO L853 garLoopResultBuilder]: At program point L915(lines 911 917) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:12:47,599 INFO L853 garLoopResultBuilder]: At program point L585(lines 534 586) the Hoare annotation is: false [2021-10-20 06:12:47,600 INFO L857 garLoopResultBuilder]: For program point L800(lines 800 813) no Hoare annotation was computed. [2021-10-20 06:12:47,600 INFO L853 garLoopResultBuilder]: At program point L800-1(lines 1 950) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:12:47,600 INFO L857 garLoopResultBuilder]: For program point L800-2(lines 800 813) no Hoare annotation was computed. [2021-10-20 06:12:47,600 INFO L853 garLoopResultBuilder]: At program point L800-3(lines 1 950) the Hoare annotation is: false [2021-10-20 06:12:47,601 INFO L857 garLoopResultBuilder]: For program point L800-4(lines 800 813) no Hoare annotation was computed. [2021-10-20 06:12:47,601 INFO L853 garLoopResultBuilder]: At program point L800-5(lines 1 950) the Hoare annotation is: false [2021-10-20 06:12:47,601 INFO L857 garLoopResultBuilder]: For program point L536(lines 535 584) no Hoare annotation was computed. [2021-10-20 06:12:47,601 INFO L853 garLoopResultBuilder]: At program point L867-2(lines 867 881) the Hoare annotation is: false [2021-10-20 06:12:47,602 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 06:12:47,602 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 541) no Hoare annotation was computed. [2021-10-20 06:12:47,602 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2021-10-20 06:12:47,602 INFO L853 garLoopResultBuilder]: At program point L851(lines 846 854) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:12:47,603 INFO L857 garLoopResultBuilder]: For program point L438-3(lines 438 442) no Hoare annotation was computed. [2021-10-20 06:12:47,603 INFO L857 garLoopResultBuilder]: For program point L438-6(lines 438 442) no Hoare annotation was computed. [2021-10-20 06:12:47,603 INFO L857 garLoopResultBuilder]: For program point L868(line 868) no Hoare annotation was computed. [2021-10-20 06:12:47,604 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-20 06:12:47,604 INFO L857 garLoopResultBuilder]: For program point L555(lines 555 561) no Hoare annotation was computed. [2021-10-20 06:12:47,604 INFO L853 garLoopResultBuilder]: At program point L555-1(lines 555 561) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:12:47,604 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 655) no Hoare annotation was computed. [2021-10-20 06:12:47,605 INFO L857 garLoopResultBuilder]: For program point L638-1(lines 638 655) no Hoare annotation was computed. [2021-10-20 06:12:47,605 INFO L857 garLoopResultBuilder]: For program point L638-2(lines 638 655) no Hoare annotation was computed. [2021-10-20 06:12:47,605 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 810) no Hoare annotation was computed. [2021-10-20 06:12:47,605 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 810) no Hoare annotation was computed. [2021-10-20 06:12:47,606 INFO L857 garLoopResultBuilder]: For program point L804-4(lines 804 810) no Hoare annotation was computed. [2021-10-20 06:12:47,606 INFO L853 garLoopResultBuilder]: At program point L606(lines 605 624) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:12:47,606 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 579) no Hoare annotation was computed. [2021-10-20 06:12:47,606 INFO L857 garLoopResultBuilder]: For program point L606-1(lines 606 612) no Hoare annotation was computed. [2021-10-20 06:12:47,607 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-20 06:12:47,607 INFO L853 garLoopResultBuilder]: At program point L573-1(lines 606 612) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:12:47,607 INFO L853 garLoopResultBuilder]: At program point L606-2(lines 605 624) the Hoare annotation is: false [2021-10-20 06:12:47,607 INFO L853 garLoopResultBuilder]: At program point L606-3(lines 605 624) the Hoare annotation is: false [2021-10-20 06:12:47,608 INFO L857 garLoopResultBuilder]: For program point L871(lines 871 875) no Hoare annotation was computed. [2021-10-20 06:12:47,608 INFO L857 garLoopResultBuilder]: For program point L871-1(lines 606 612) no Hoare annotation was computed. [2021-10-20 06:12:47,608 INFO L857 garLoopResultBuilder]: For program point L772(lines 772 778) no Hoare annotation was computed. [2021-10-20 06:12:47,608 INFO L853 garLoopResultBuilder]: At program point L772-1(lines 772 778) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:12:47,609 INFO L853 garLoopResultBuilder]: At program point L475(lines 470 478) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:12:47,609 INFO L853 garLoopResultBuilder]: At program point L475-1(lines 470 478) the Hoare annotation is: false [2021-10-20 06:12:47,609 INFO L853 garLoopResultBuilder]: At program point L475-2(lines 470 478) the Hoare annotation is: false [2021-10-20 06:12:47,609 INFO L857 garLoopResultBuilder]: For program point L938(lines 938 945) no Hoare annotation was computed. [2021-10-20 06:12:47,610 INFO L860 garLoopResultBuilder]: At program point L938-1(lines 938 945) the Hoare annotation is: true [2021-10-20 06:12:47,610 INFO L857 garLoopResultBuilder]: For program point L642(lines 642 650) no Hoare annotation was computed. [2021-10-20 06:12:47,610 INFO L857 garLoopResultBuilder]: For program point L642-1(lines 642 650) no Hoare annotation was computed. [2021-10-20 06:12:47,610 INFO L857 garLoopResultBuilder]: For program point L642-2(lines 642 650) no Hoare annotation was computed. [2021-10-20 06:12:47,611 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 762) no Hoare annotation was computed. [2021-10-20 06:12:47,611 INFO L857 garLoopResultBuilder]: For program point L758-2(lines 758 762) no Hoare annotation was computed. [2021-10-20 06:12:47,611 INFO L857 garLoopResultBuilder]: For program point L758-3(lines 758 762) no Hoare annotation was computed. [2021-10-20 06:12:47,611 INFO L857 garLoopResultBuilder]: For program point L758-5(lines 758 762) no Hoare annotation was computed. [2021-10-20 06:12:47,612 INFO L857 garLoopResultBuilder]: For program point L758-6(lines 758 762) no Hoare annotation was computed. [2021-10-20 06:12:47,612 INFO L857 garLoopResultBuilder]: For program point L758-8(lines 758 762) no Hoare annotation was computed. [2021-10-20 06:12:47,612 INFO L853 garLoopResultBuilder]: At program point L709(lines 704 712) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:12:47,612 INFO L853 garLoopResultBuilder]: At program point L709-1(lines 704 712) the Hoare annotation is: false [2021-10-20 06:12:47,613 INFO L853 garLoopResultBuilder]: At program point L709-2(lines 704 712) the Hoare annotation is: false [2021-10-20 06:12:47,613 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-20 06:12:47,613 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-20 06:12:47,613 INFO L857 garLoopResultBuilder]: For program point L462(lines 462 466) no Hoare annotation was computed. [2021-10-20 06:12:47,614 INFO L857 garLoopResultBuilder]: For program point L545(lines 545 551) no Hoare annotation was computed. [2021-10-20 06:12:47,614 INFO L853 garLoopResultBuilder]: At program point L545-1(lines 545 551) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:12:47,614 INFO L853 garLoopResultBuilder]: At program point L843(lines 1 950) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:12:47,615 INFO L853 garLoopResultBuilder]: At program point L613(lines 613 619) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:12:47,615 INFO L853 garLoopResultBuilder]: At program point L613-1(lines 613 619) the Hoare annotation is: false [2021-10-20 06:12:47,615 INFO L853 garLoopResultBuilder]: At program point L613-2(lines 613 619) the Hoare annotation is: false [2021-10-20 06:12:47,621 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 06:12:47,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:12:47 BoogieIcfgContainer [2021-10-20 06:12:47,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 06:12:47,640 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 06:12:47,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 06:12:47,641 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 06:12:47,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:12:42" (3/4) ... [2021-10-20 06:12:47,645 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 06:12:47,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-20 06:12:47,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-20 06:12:47,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-20 06:12:47,667 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-20 06:12:47,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-20 06:12:47,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 06:12:47,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 06:12:47,705 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-20 06:12:47,785 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 06:12:47,786 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 06:12:47,788 INFO L168 Benchmark]: Toolchain (without parser) took 9026.54 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 47.3 MB in the beginning and 61.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:12:47,788 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 69.2 MB. Free memory is still 49.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:12:47,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 880.29 ms. Allocated memory is still 69.2 MB. Free memory was 46.9 MB in the beginning and 36.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 06:12:47,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.55 ms. Allocated memory is still 69.2 MB. Free memory was 36.6 MB in the beginning and 33.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:12:47,790 INFO L168 Benchmark]: Boogie Preprocessor took 64.58 ms. Allocated memory is still 69.2 MB. Free memory was 33.9 MB in the beginning and 31.5 MB in the end (delta: 2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:12:47,791 INFO L168 Benchmark]: RCFGBuilder took 2937.02 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 31.5 MB in the beginning and 40.2 MB in the end (delta: -8.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-10-20 06:12:47,791 INFO L168 Benchmark]: TraceAbstraction took 4910.79 ms. Allocated memory is still 86.0 MB. Free memory was 39.7 MB in the beginning and 34.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-20 06:12:47,792 INFO L168 Benchmark]: Witness Printer took 145.58 ms. Allocated memory is still 86.0 MB. Free memory was 34.1 MB in the beginning and 61.5 MB in the end (delta: -27.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 06:12:47,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 69.2 MB. Free memory is still 49.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 880.29 ms. Allocated memory is still 69.2 MB. Free memory was 46.9 MB in the beginning and 36.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.55 ms. Allocated memory is still 69.2 MB. Free memory was 36.6 MB in the beginning and 33.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.58 ms. Allocated memory is still 69.2 MB. Free memory was 33.9 MB in the beginning and 31.5 MB in the end (delta: 2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2937.02 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 31.5 MB in the beginning and 40.2 MB in the end (delta: -8.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4910.79 ms. Allocated memory is still 86.0 MB. Free memory was 39.7 MB in the beginning and 34.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Witness Printer took 145.58 ms. Allocated memory is still 86.0 MB. Free memory was 34.1 MB in the beginning and 61.5 MB in the end (delta: -27.4 MB). Peak memory consumption was 4.2 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4811.7ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 20.1ms, AutomataDifference: 490.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 547.0ms, InitialAbstractionConstructionTime: 14.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 333 SDtfs, 448 SDslu, 368 SDs, 0 SdLazy, 48 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 133.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 131.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 114.8ms AutomataMinimizationTime, 5 MinimizatonAttempts, 145 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3757 FormulaSimplificationTreeSizeReduction, 412.8ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 122.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 156.9ms SsaConstructionTime, 691.3ms SatisfiabilityAnalysisTime, 1141.3ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 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: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-20 06:12:47,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f415a7-213a-452e-b955-4fe0856d59fc/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...