./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI --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 e45e56c1689a2d141d3728e45b37f6229eb5b2a7 ............................................................................................................................................ 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_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI --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 e45e56c1689a2d141d3728e45b37f6229eb5b2a7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:33:02,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:33:02,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:33:03,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:33:03,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:33:03,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:33:03,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:33:03,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:33:03,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:33:03,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:33:03,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:33:03,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:33:03,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:33:03,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:33:03,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:33:03,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:33:03,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:33:03,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:33:03,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:33:03,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:33:03,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:33:03,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:33:03,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:33:03,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:33:03,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:33:03,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:33:03,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:33:03,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:33:03,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:33:03,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:33:03,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:33:03,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:33:03,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:33:03,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:33:03,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:33:03,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:33:03,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:33:03,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:33:03,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:33:03,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:33:03,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:33:03,072 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:33:03,096 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:33:03,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:33:03,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:33:03,098 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:33:03,098 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:33:03,098 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:33:03,098 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:33:03,099 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:33:03,099 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:33:03,099 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:33:03,099 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:33:03,100 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:33:03,100 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:33:03,100 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:33:03,100 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:33:03,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:33:03,102 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:33:03,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:33:03,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:33:03,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:33:03,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:33:03,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:33:03,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:33:03,103 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:33:03,104 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:33:03,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:33:03,104 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:33:03,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:33:03,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:33:03,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:33:03,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:33:03,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:33:03,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:33:03,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:33:03,106 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:33:03,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:33:03,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:33:03,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:33:03,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:33:03,107 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_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45e56c1689a2d141d3728e45b37f6229eb5b2a7 [2021-10-11 02:33:03,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:33:03,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:33:03,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:33:03,409 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:33:03,419 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:33:03,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2021-10-11 02:33:03,495 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/data/42c0e0ff9/04d9c05c2086429dbe0c104acebdd70c/FLAGe8a1ef331 [2021-10-11 02:33:04,050 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:33:04,051 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2021-10-11 02:33:04,065 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/data/42c0e0ff9/04d9c05c2086429dbe0c104acebdd70c/FLAGe8a1ef331 [2021-10-11 02:33:04,360 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/data/42c0e0ff9/04d9c05c2086429dbe0c104acebdd70c [2021-10-11 02:33:04,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:33:04,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:33:04,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:33:04,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:33:04,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:33:04,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:33:04" (1/1) ... [2021-10-11 02:33:04,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@293821e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:04, skipping insertion in model container [2021-10-11 02:33:04,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:33:04" (1/1) ... [2021-10-11 02:33:04,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:33:04,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:33:04,767 WARN L226 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_21727f04-76b7-4f38-aa98-49b7010c9d58/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13139,13152] [2021-10-11 02:33:04,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:33:04,819 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) [2021-10-11 02:33:04,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@52b3f72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:04, skipping insertion in model container [2021-10-11 02:33:04,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:33:04,821 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:33:04,824 INFO L168 Benchmark]: Toolchain (without parser) took 457.68 ms. Allocated memory is still 136.3 MB. Free memory was 107.2 MB in the beginning and 110.2 MB in the end (delta: -2.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:04,825 INFO L168 Benchmark]: CDTParser took 0.98 ms. Allocated memory is still 88.1 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:33:04,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.72 ms. Allocated memory is still 136.3 MB. Free memory was 106.8 MB in the beginning and 110.7 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:04,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 ms. Allocated memory is still 88.1 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 450.72 ms. Allocated memory is still 136.3 MB. Free memory was 106.8 MB in the beginning and 110.7 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 209]: 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 0.2.0-7b2dab5 [2021-10-11 02:33:07,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:33:07,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:33:07,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:33:07,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:33:07,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:33:07,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:33:07,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:33:07,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:33:07,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:33:07,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:33:07,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:33:07,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:33:07,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:33:07,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:33:07,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:33:07,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:33:07,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:33:07,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:33:07,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:33:07,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:33:07,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:33:07,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:33:07,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:33:07,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:33:07,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:33:07,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:33:07,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:33:07,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:33:07,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:33:07,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:33:07,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:33:07,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:33:07,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:33:07,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:33:07,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:33:07,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:33:07,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:33:07,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:33:07,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:33:07,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:33:07,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:33:07,346 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:33:07,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:33:07,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:33:07,348 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:33:07,348 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:33:07,349 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:33:07,349 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:33:07,349 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:33:07,349 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:33:07,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:33:07,352 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:33:07,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:33:07,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:33:07,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:33:07,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:33:07,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:33:07,354 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:33:07,354 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:33:07,354 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:33:07,354 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:33:07,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:33:07,355 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:33:07,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:33:07,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:33:07,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:33:07,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:33:07,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:33:07,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:33:07,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:33:07,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:33:07,357 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:33:07,357 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:33:07,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:33:07,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:33:07,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:33:07,359 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_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45e56c1689a2d141d3728e45b37f6229eb5b2a7 [2021-10-11 02:33:07,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:33:07,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:33:07,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:33:07,833 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:33:07,835 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:33:07,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2021-10-11 02:33:07,916 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/data/703fabb0e/183b6800f6514a39b84e5a4758842eb5/FLAGef3d82162 [2021-10-11 02:33:08,544 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:33:08,545 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2021-10-11 02:33:08,566 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/data/703fabb0e/183b6800f6514a39b84e5a4758842eb5/FLAGef3d82162 [2021-10-11 02:33:08,791 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/data/703fabb0e/183b6800f6514a39b84e5a4758842eb5 [2021-10-11 02:33:08,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:33:08,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:33:08,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:33:08,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:33:08,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:33:08,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:33:08" (1/1) ... [2021-10-11 02:33:08,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f3cef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:08, skipping insertion in model container [2021-10-11 02:33:08,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:33:08" (1/1) ... [2021-10-11 02:33:08,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:33:08,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:33:09,145 WARN L226 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_21727f04-76b7-4f38-aa98-49b7010c9d58/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13139,13152] [2021-10-11 02:33:09,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:33:09,230 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:33:09,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:33:09,325 WARN L226 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_21727f04-76b7-4f38-aa98-49b7010c9d58/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13139,13152] [2021-10-11 02:33:09,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:33:09,394 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:33:09,474 WARN L226 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_21727f04-76b7-4f38-aa98-49b7010c9d58/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13139,13152] [2021-10-11 02:33:09,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:33:09,556 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:33:09,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:09 WrapperNode [2021-10-11 02:33:09,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:33:09,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:33:09,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:33:09,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:33:09,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:09" (1/1) ... [2021-10-11 02:33:09,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:09" (1/1) ... [2021-10-11 02:33:09,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:33:09,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:33:09,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:33:09,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:33:09,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:09" (1/1) ... [2021-10-11 02:33:09,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:09" (1/1) ... [2021-10-11 02:33:09,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:09" (1/1) ... [2021-10-11 02:33:09,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:09" (1/1) ... [2021-10-11 02:33:09,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:09" (1/1) ... [2021-10-11 02:33:09,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:09" (1/1) ... [2021-10-11 02:33:09,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:09" (1/1) ... [2021-10-11 02:33:09,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:33:09,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:33:09,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:33:09,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:33:09,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:09" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:33:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:33:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:33:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:33:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:33:12,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:33:12,231 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-11 02:33:12,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:33:12 BoogieIcfgContainer [2021-10-11 02:33:12,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:33:12,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:33:12,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:33:12,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:33:12,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:33:08" (1/3) ... [2021-10-11 02:33:12,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f088349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:33:12, skipping insertion in model container [2021-10-11 02:33:12,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:33:09" (2/3) ... [2021-10-11 02:33:12,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f088349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:33:12, skipping insertion in model container [2021-10-11 02:33:12,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:33:12" (3/3) ... [2021-10-11 02:33:12,241 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2021-10-11 02:33:12,262 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:33:12,266 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:33:12,277 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:33:12,303 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:33:12,303 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:33:12,304 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:33:12,304 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:33:12,304 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:33:12,304 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:33:12,304 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:33:12,305 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:33:12,322 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2021-10-11 02:33:12,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:33:12,328 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:12,329 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:33:12,329 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:12,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:12,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2021-10-11 02:33:12,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:12,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439520739] [2021-10-11 02:33:12,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:33:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:12,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:33:12,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:12,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:33:12,753 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:12,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [439520739] [2021-10-11 02:33:12,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:33:12,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:33:12,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037597706] [2021-10-11 02:33:12,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:33:12,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:12,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:33:12,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:33:12,781 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2021-10-11 02:33:12,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:12,829 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-10-11 02:33:12,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:33:12,831 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:33:12,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:12,842 INFO L225 Difference]: With dead ends: 268 [2021-10-11 02:33:12,843 INFO L226 Difference]: Without dead ends: 133 [2021-10-11 02:33:12,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:33:12,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-11 02:33:12,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-11 02:33:12,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2021-10-11 02:33:12,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-10-11 02:33:12,893 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-10-11 02:33:12,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:12,894 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-10-11 02:33:12,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:33:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-10-11 02:33:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:33:12,896 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:12,896 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:33:13,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:33:13,115 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:13,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:13,116 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2021-10-11 02:33:13,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:13,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070938271] [2021-10-11 02:33:13,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:33:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:13,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:33:13,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:13,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:33:13,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:13,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1070938271] [2021-10-11 02:33:13,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:33:13,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:33:13,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141893415] [2021-10-11 02:33:13,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:33:13,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:13,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:33:13,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:33:13,368 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2021-10-11 02:33:13,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:13,398 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-10-11 02:33:13,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:33:13,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:33:13,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:13,406 INFO L225 Difference]: With dead ends: 133 [2021-10-11 02:33:13,407 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:33:13,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:33:13,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:33:13,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 02:33:13,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 02:33:13,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-11 02:33:13,426 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-10-11 02:33:13,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:13,430 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-11 02:33:13,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:33:13,431 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-11 02:33:13,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:33:13,432 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:13,432 INFO L422 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] [2021-10-11 02:33:13,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:33:13,645 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:13,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:13,646 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2021-10-11 02:33:13,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:13,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1710191618] [2021-10-11 02:33:13,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:33:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:13,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:33:13,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:13,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:33:13,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:13,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1710191618] [2021-10-11 02:33:13,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:33:13,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:33:13,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201934970] [2021-10-11 02:33:13,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:33:13,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:13,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:33:13,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:33:13,863 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2021-10-11 02:33:13,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:13,909 INFO L93 Difference]: Finished difference Result 153 states and 225 transitions. [2021-10-11 02:33:13,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:33:13,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:33:13,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:13,911 INFO L225 Difference]: With dead ends: 153 [2021-10-11 02:33:13,911 INFO L226 Difference]: Without dead ends: 104 [2021-10-11 02:33:13,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:33:13,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-11 02:33:13,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2021-10-11 02:33:13,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-10-11 02:33:13,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2021-10-11 02:33:13,926 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 22 [2021-10-11 02:33:13,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:13,926 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2021-10-11 02:33:13,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:33:13,926 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2021-10-11 02:33:13,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:33:13,928 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:13,928 INFO L422 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] [2021-10-11 02:33:14,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:33:14,149 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:14,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:14,150 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2021-10-11 02:33:14,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:14,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1506742719] [2021-10-11 02:33:14,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:33:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:14,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:33:14,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:14,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:33:14,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:14,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1506742719] [2021-10-11 02:33:14,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:33:14,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:33:14,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011243934] [2021-10-11 02:33:14,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:33:14,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:14,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:33:14,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:33:14,389 INFO L87 Difference]: Start difference. First operand 100 states and 147 transitions. Second operand 3 states. [2021-10-11 02:33:14,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:14,487 INFO L93 Difference]: Finished difference Result 235 states and 350 transitions. [2021-10-11 02:33:14,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:33:14,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:33:14,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:14,491 INFO L225 Difference]: With dead ends: 235 [2021-10-11 02:33:14,492 INFO L226 Difference]: Without dead ends: 141 [2021-10-11 02:33:14,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:33:14,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-10-11 02:33:14,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2021-10-11 02:33:14,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2021-10-11 02:33:14,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 201 transitions. [2021-10-11 02:33:14,532 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 201 transitions. Word has length 24 [2021-10-11 02:33:14,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:14,534 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 201 transitions. [2021-10-11 02:33:14,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:33:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2021-10-11 02:33:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:33:14,538 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:14,538 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:33:14,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:33:14,754 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:14,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:14,754 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2021-10-11 02:33:14,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:14,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419488381] [2021-10-11 02:33:14,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:33:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:14,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:33:14,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:14,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:33:14,986 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:14,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419488381] [2021-10-11 02:33:14,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:33:14,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:33:14,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943781710] [2021-10-11 02:33:14,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:33:14,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:14,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:33:14,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:33:14,988 INFO L87 Difference]: Start difference. First operand 139 states and 201 transitions. Second operand 5 states. [2021-10-11 02:33:15,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:15,136 INFO L93 Difference]: Finished difference Result 499 states and 727 transitions. [2021-10-11 02:33:15,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:33:15,137 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:33:15,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:15,139 INFO L225 Difference]: With dead ends: 499 [2021-10-11 02:33:15,140 INFO L226 Difference]: Without dead ends: 366 [2021-10-11 02:33:15,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:33:15,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-10-11 02:33:15,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 228. [2021-10-11 02:33:15,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-10-11 02:33:15,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 320 transitions. [2021-10-11 02:33:15,167 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 320 transitions. Word has length 25 [2021-10-11 02:33:15,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:15,167 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 320 transitions. [2021-10-11 02:33:15,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:33:15,168 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 320 transitions. [2021-10-11 02:33:15,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:33:15,169 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:15,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:33:15,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:33:15,387 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:15,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:15,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1579349608, now seen corresponding path program 1 times [2021-10-11 02:33:15,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:15,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754316454] [2021-10-11 02:33:15,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:33:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:15,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:33:15,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:33:15,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:15,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [754316454] [2021-10-11 02:33:15,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:33:15,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:33:15,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75967378] [2021-10-11 02:33:15,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:33:15,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:15,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:33:15,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:33:15,653 INFO L87 Difference]: Start difference. First operand 228 states and 320 transitions. Second operand 6 states. [2021-10-11 02:33:17,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:17,257 INFO L93 Difference]: Finished difference Result 702 states and 1015 transitions. [2021-10-11 02:33:17,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:33:17,258 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2021-10-11 02:33:17,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:17,261 INFO L225 Difference]: With dead ends: 702 [2021-10-11 02:33:17,261 INFO L226 Difference]: Without dead ends: 569 [2021-10-11 02:33:17,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:33:17,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-10-11 02:33:17,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 442. [2021-10-11 02:33:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2021-10-11 02:33:17,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 617 transitions. [2021-10-11 02:33:17,302 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 617 transitions. Word has length 26 [2021-10-11 02:33:17,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:17,303 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 617 transitions. [2021-10-11 02:33:17,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:33:17,303 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 617 transitions. [2021-10-11 02:33:17,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 02:33:17,306 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:17,306 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:33:17,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:33:17,522 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:17,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:17,523 INFO L82 PathProgramCache]: Analyzing trace with hash -377849127, now seen corresponding path program 1 times [2021-10-11 02:33:17,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:17,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1987710913] [2021-10-11 02:33:17,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:33:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:17,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:33:17,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:33:17,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:17,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1987710913] [2021-10-11 02:33:17,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:33:17,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:33:17,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585234293] [2021-10-11 02:33:17,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:33:17,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:17,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:33:17,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:33:17,803 INFO L87 Difference]: Start difference. First operand 442 states and 617 transitions. Second operand 3 states. [2021-10-11 02:33:17,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:17,879 INFO L93 Difference]: Finished difference Result 955 states and 1333 transitions. [2021-10-11 02:33:17,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:33:17,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-10-11 02:33:17,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:17,883 INFO L225 Difference]: With dead ends: 955 [2021-10-11 02:33:17,883 INFO L226 Difference]: Without dead ends: 519 [2021-10-11 02:33:17,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:33:17,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2021-10-11 02:33:17,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 298. [2021-10-11 02:33:17,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2021-10-11 02:33:17,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 413 transitions. [2021-10-11 02:33:17,934 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 413 transitions. Word has length 51 [2021-10-11 02:33:17,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:17,934 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 413 transitions. [2021-10-11 02:33:17,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:33:17,934 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 413 transitions. [2021-10-11 02:33:17,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 02:33:17,936 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:17,936 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:33:18,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:33:18,149 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:18,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:18,149 INFO L82 PathProgramCache]: Analyzing trace with hash -432399250, now seen corresponding path program 1 times [2021-10-11 02:33:18,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:18,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379608966] [2021-10-11 02:33:18,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:33:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:18,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:33:18,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:33:18,423 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:18,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1379608966] [2021-10-11 02:33:18,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:33:18,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:33:18,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660339275] [2021-10-11 02:33:18,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:33:18,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:18,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:33:18,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:33:18,426 INFO L87 Difference]: Start difference. First operand 298 states and 413 transitions. Second operand 5 states. [2021-10-11 02:33:18,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:18,570 INFO L93 Difference]: Finished difference Result 908 states and 1250 transitions. [2021-10-11 02:33:18,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:33:18,571 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2021-10-11 02:33:18,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:18,579 INFO L225 Difference]: With dead ends: 908 [2021-10-11 02:33:18,579 INFO L226 Difference]: Without dead ends: 616 [2021-10-11 02:33:18,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:33:18,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2021-10-11 02:33:18,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 316. [2021-10-11 02:33:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2021-10-11 02:33:18,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 431 transitions. [2021-10-11 02:33:18,624 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 431 transitions. Word has length 53 [2021-10-11 02:33:18,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:18,624 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 431 transitions. [2021-10-11 02:33:18,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:33:18,628 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 431 transitions. [2021-10-11 02:33:18,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 02:33:18,630 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:18,630 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:33:18,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:33:18,853 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:18,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:18,853 INFO L82 PathProgramCache]: Analyzing trace with hash -504785808, now seen corresponding path program 1 times [2021-10-11 02:33:18,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:18,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346221439] [2021-10-11 02:33:18,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:33:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:19,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:33:19,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:19,127 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:33:19,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:19,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346221439] [2021-10-11 02:33:19,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:33:19,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:33:19,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356327591] [2021-10-11 02:33:19,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:33:19,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:19,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:33:19,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:33:19,135 INFO L87 Difference]: Start difference. First operand 316 states and 431 transitions. Second operand 4 states. [2021-10-11 02:33:19,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:19,239 INFO L93 Difference]: Finished difference Result 744 states and 1015 transitions. [2021-10-11 02:33:19,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:33:19,240 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2021-10-11 02:33:19,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:19,242 INFO L225 Difference]: With dead ends: 744 [2021-10-11 02:33:19,243 INFO L226 Difference]: Without dead ends: 434 [2021-10-11 02:33:19,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:33:19,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2021-10-11 02:33:19,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 287. [2021-10-11 02:33:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2021-10-11 02:33:19,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 386 transitions. [2021-10-11 02:33:19,287 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 386 transitions. Word has length 53 [2021-10-11 02:33:19,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:19,289 INFO L481 AbstractCegarLoop]: Abstraction has 287 states and 386 transitions. [2021-10-11 02:33:19,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:33:19,289 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 386 transitions. [2021-10-11 02:33:19,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:33:19,290 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:19,290 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:33:19,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:33:19,509 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:19,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:19,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1070084556, now seen corresponding path program 1 times [2021-10-11 02:33:19,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:19,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884517758] [2021-10-11 02:33:19,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:33:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:19,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:33:19,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:19,797 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:33:19,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:33:19,839 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:33:19,840 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:33:19,916 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:33:19,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884517758] [2021-10-11 02:33:19,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [375632451] [2021-10-11 02:33:19,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:33:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:20,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:33:20,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:20,224 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:33:20,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:20,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:33:20,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2021-10-11 02:33:20,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12875216] [2021-10-11 02:33:20,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:33:20,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:20,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:33:20,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:33:20,226 INFO L87 Difference]: Start difference. First operand 287 states and 386 transitions. Second operand 5 states. [2021-10-11 02:33:20,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:20,378 INFO L93 Difference]: Finished difference Result 1033 states and 1422 transitions. [2021-10-11 02:33:20,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:33:20,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-10-11 02:33:20,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:20,395 INFO L225 Difference]: With dead ends: 1033 [2021-10-11 02:33:20,395 INFO L226 Difference]: Without dead ends: 792 [2021-10-11 02:33:20,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:33:20,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2021-10-11 02:33:20,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 293. [2021-10-11 02:33:20,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2021-10-11 02:33:20,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 392 transitions. [2021-10-11 02:33:20,444 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 392 transitions. Word has length 54 [2021-10-11 02:33:20,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:20,444 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 392 transitions. [2021-10-11 02:33:20,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:33:20,445 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 392 transitions. [2021-10-11 02:33:20,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:33:20,446 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:20,446 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:33:20,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3,12 cvc4 --incremental --print-success --lang smt [2021-10-11 02:33:20,863 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:20,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:20,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1463111566, now seen corresponding path program 1 times [2021-10-11 02:33:20,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:20,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59493448] [2021-10-11 02:33:20,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2021-10-11 02:33:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:21,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:33:21,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:21,150 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:33:21,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:33:21,264 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:33:21,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59493448] [2021-10-11 02:33:21,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [346720289] [2021-10-11 02:33:21,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:33:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:21,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:33:21,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:21,574 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:33:21,574 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:21,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:33:21,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 13 [2021-10-11 02:33:21,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028339210] [2021-10-11 02:33:21,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:33:21,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:21,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:33:21,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:33:21,577 INFO L87 Difference]: Start difference. First operand 293 states and 392 transitions. Second operand 5 states. [2021-10-11 02:33:21,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:21,901 INFO L93 Difference]: Finished difference Result 786 states and 1051 transitions. [2021-10-11 02:33:21,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:33:21,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-10-11 02:33:21,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:21,908 INFO L225 Difference]: With dead ends: 786 [2021-10-11 02:33:21,908 INFO L226 Difference]: Without dead ends: 784 [2021-10-11 02:33:21,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-11 02:33:21,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2021-10-11 02:33:21,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 293. [2021-10-11 02:33:21,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2021-10-11 02:33:21,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 388 transitions. [2021-10-11 02:33:21,954 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 388 transitions. Word has length 54 [2021-10-11 02:33:21,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:21,955 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 388 transitions. [2021-10-11 02:33:21,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:33:21,955 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 388 transitions. [2021-10-11 02:33:21,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-11 02:33:21,956 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:21,956 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:33:22,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt,13 mathsat -unsat_core_generation=3 [2021-10-11 02:33:22,359 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:22,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:22,359 INFO L82 PathProgramCache]: Analyzing trace with hash 492427471, now seen corresponding path program 1 times [2021-10-11 02:33:22,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:22,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171293418] [2021-10-11 02:33:22,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2021-10-11 02:33:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:22,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:33:22,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:22,649 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:33:22,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:33:22,670 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:33:22,671 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:33:22,773 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:33:22,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171293418] [2021-10-11 02:33:22,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1011031489] [2021-10-11 02:33:22,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:33:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:22,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-11 02:33:22,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:23,102 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:33:23,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:33:23,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:33:23,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025571858] [2021-10-11 02:33:23,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:33:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:23,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:33:23,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:23,436 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:33:23,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:33:23,494 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:33:23,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:33:23,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2021-10-11 02:33:23,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892858792] [2021-10-11 02:33:23,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-10-11 02:33:23,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:23,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-11 02:33:23,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:33:23,496 INFO L87 Difference]: Start difference. First operand 293 states and 388 transitions. Second operand 13 states. [2021-10-11 02:33:30,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:30,335 INFO L93 Difference]: Finished difference Result 2540 states and 3457 transitions. [2021-10-11 02:33:30,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-11 02:33:30,336 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 55 [2021-10-11 02:33:30,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:30,348 INFO L225 Difference]: With dead ends: 2540 [2021-10-11 02:33:30,348 INFO L226 Difference]: Without dead ends: 2293 [2021-10-11 02:33:30,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2217 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2021-10-11 02:33:30,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2293 states. [2021-10-11 02:33:30,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2293 to 366. [2021-10-11 02:33:30,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2021-10-11 02:33:30,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 493 transitions. [2021-10-11 02:33:30,445 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 493 transitions. Word has length 55 [2021-10-11 02:33:30,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:30,446 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 493 transitions. [2021-10-11 02:33:30,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-10-11 02:33:30,446 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 493 transitions. [2021-10-11 02:33:30,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-11 02:33:30,447 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:33:30,447 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:33:31,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt,15 mathsat -unsat_core_generation=3,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:33:31,065 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:33:31,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:33:31,065 INFO L82 PathProgramCache]: Analyzing trace with hash 807950959, now seen corresponding path program 1 times [2021-10-11 02:33:31,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:33:31,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455815707] [2021-10-11 02:33:31,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2021-10-11 02:33:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:33:31,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:33:31,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:33:31,328 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 02:33:31,328 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:33:31,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455815707] [2021-10-11 02:33:31,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:33:31,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:33:31,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538073380] [2021-10-11 02:33:31,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:33:31,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:33:31,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:33:31,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:33:31,331 INFO L87 Difference]: Start difference. First operand 366 states and 493 transitions. Second operand 5 states. [2021-10-11 02:33:31,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:33:31,431 INFO L93 Difference]: Finished difference Result 649 states and 864 transitions. [2021-10-11 02:33:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:33:31,432 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2021-10-11 02:33:31,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:33:31,432 INFO L225 Difference]: With dead ends: 649 [2021-10-11 02:33:31,432 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:33:31,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:33:31,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:33:31,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:33:31,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:33:31,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:33:31,434 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-10-11 02:33:31,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:33:31,435 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:33:31,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:33:31,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:33:31,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:33:31,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3 [2021-10-11 02:33:31,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:33:31,770 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2021-10-11 02:33:32,188 WARN L197 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 158 [2021-10-11 02:33:32,343 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 102 [2021-10-11 02:33:32,493 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 113 [2021-10-11 02:33:32,910 WARN L197 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 169 [2021-10-11 02:33:33,263 WARN L197 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 156 [2021-10-11 02:33:33,474 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 117 [2021-10-11 02:33:33,709 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 158 [2021-10-11 02:33:33,814 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 109 [2021-10-11 02:33:34,085 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 162 [2021-10-11 02:33:34,208 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 29 [2021-10-11 02:33:35,422 WARN L197 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 154 DAG size of output: 41 [2021-10-11 02:33:35,870 WARN L197 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 26 [2021-10-11 02:33:36,458 WARN L197 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 27 [2021-10-11 02:33:36,707 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 15 [2021-10-11 02:33:36,923 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 15 [2021-10-11 02:33:38,120 WARN L197 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 163 DAG size of output: 36 [2021-10-11 02:33:39,113 WARN L197 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 37 [2021-10-11 02:33:39,453 WARN L197 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 34 [2021-10-11 02:33:39,952 WARN L197 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 38 [2021-10-11 02:33:41,042 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 154 DAG size of output: 41 [2021-10-11 02:33:41,549 WARN L197 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 41 [2021-10-11 02:33:42,535 WARN L197 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 36 [2021-10-11 02:33:42,538 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2021-10-11 02:33:42,538 INFO L262 CegarLoopResult]: For program point L696(lines 696 702) no Hoare annotation was computed. [2021-10-11 02:33:42,538 INFO L262 CegarLoopResult]: For program point L663(lines 663 671) no Hoare annotation was computed. [2021-10-11 02:33:42,538 INFO L262 CegarLoopResult]: For program point L696-2(lines 696 702) no Hoare annotation was computed. [2021-10-11 02:33:42,539 INFO L262 CegarLoopResult]: For program point L663-1(lines 663 671) no Hoare annotation was computed. [2021-10-11 02:33:42,539 INFO L262 CegarLoopResult]: For program point L663-2(lines 663 671) no Hoare annotation was computed. [2021-10-11 02:33:42,539 INFO L262 CegarLoopResult]: For program point L696-4(lines 696 702) no Hoare annotation was computed. [2021-10-11 02:33:42,539 INFO L262 CegarLoopResult]: For program point L696-6(lines 696 702) no Hoare annotation was computed. [2021-10-11 02:33:42,539 INFO L262 CegarLoopResult]: For program point L696-8(lines 696 702) no Hoare annotation was computed. [2021-10-11 02:33:42,539 INFO L262 CegarLoopResult]: For program point L696-10(lines 696 702) no Hoare annotation was computed. [2021-10-11 02:33:42,539 INFO L262 CegarLoopResult]: For program point L862(lines 862 868) no Hoare annotation was computed. [2021-10-11 02:33:42,540 INFO L258 CegarLoopResult]: At program point L862-1(lines 862 868) the Hoare annotation is: (let ((.cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse1 .cse3) (and .cse0 .cse6 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse6 .cse2 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))))) [2021-10-11 02:33:42,540 INFO L258 CegarLoopResult]: At program point L730(lines 725 733) the Hoare annotation is: false [2021-10-11 02:33:42,540 INFO L258 CegarLoopResult]: At program point L730-1(lines 725 733) the Hoare annotation is: false [2021-10-11 02:33:42,540 INFO L258 CegarLoopResult]: At program point L730-2(lines 725 733) the Hoare annotation is: false [2021-10-11 02:33:42,541 INFO L262 CegarLoopResult]: For program point L798(lines 798 802) no Hoare annotation was computed. [2021-10-11 02:33:42,541 INFO L262 CegarLoopResult]: For program point L798-2(lines 798 802) no Hoare annotation was computed. [2021-10-11 02:33:42,541 INFO L262 CegarLoopResult]: For program point L798-3(lines 798 802) no Hoare annotation was computed. [2021-10-11 02:33:42,541 INFO L262 CegarLoopResult]: For program point L633(lines 633 650) no Hoare annotation was computed. [2021-10-11 02:33:42,541 INFO L262 CegarLoopResult]: For program point L798-5(lines 798 802) no Hoare annotation was computed. [2021-10-11 02:33:42,541 INFO L262 CegarLoopResult]: For program point L633-1(lines 633 650) no Hoare annotation was computed. [2021-10-11 02:33:42,541 INFO L262 CegarLoopResult]: For program point L798-6(lines 798 802) no Hoare annotation was computed. [2021-10-11 02:33:42,542 INFO L262 CegarLoopResult]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2021-10-11 02:33:42,542 INFO L262 CegarLoopResult]: For program point L633-3(lines 633 650) no Hoare annotation was computed. [2021-10-11 02:33:42,542 INFO L262 CegarLoopResult]: For program point L798-8(lines 798 802) no Hoare annotation was computed. [2021-10-11 02:33:42,542 INFO L262 CegarLoopResult]: For program point L633-4(lines 633 650) no Hoare annotation was computed. [2021-10-11 02:33:42,542 INFO L262 CegarLoopResult]: For program point L633-5(lines 633 650) no Hoare annotation was computed. [2021-10-11 02:33:42,542 INFO L262 CegarLoopResult]: For program point L931(lines 931 935) no Hoare annotation was computed. [2021-10-11 02:33:42,543 INFO L258 CegarLoopResult]: At program point L601(lines 600 619) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1) (and .cse0 .cse1 .cse2 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:33:42,543 INFO L262 CegarLoopResult]: For program point L601-1(lines 601 607) no Hoare annotation was computed. [2021-10-11 02:33:42,543 INFO L258 CegarLoopResult]: At program point L601-2(lines 600 619) the Hoare annotation is: false [2021-10-11 02:33:42,543 INFO L258 CegarLoopResult]: At program point L601-3(lines 600 619) the Hoare annotation is: false [2021-10-11 02:33:42,543 INFO L258 CegarLoopResult]: At program point L999(lines 994 1002) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) [2021-10-11 02:33:42,543 INFO L258 CegarLoopResult]: At program point L999-1(lines 994 1002) the Hoare annotation is: false [2021-10-11 02:33:42,544 INFO L258 CegarLoopResult]: At program point L999-2(lines 994 1002) the Hoare annotation is: false [2021-10-11 02:33:42,547 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:33:42,547 INFO L262 CegarLoopResult]: For program point L637(lines 637 645) no Hoare annotation was computed. [2021-10-11 02:33:42,547 INFO L262 CegarLoopResult]: For program point L637-1(lines 637 645) no Hoare annotation was computed. [2021-10-11 02:33:42,547 INFO L262 CegarLoopResult]: For program point L637-2(lines 637 645) no Hoare annotation was computed. [2021-10-11 02:33:42,547 INFO L262 CegarLoopResult]: For program point L637-3(lines 637 645) no Hoare annotation was computed. [2021-10-11 02:33:42,547 INFO L262 CegarLoopResult]: For program point L637-4(lines 637 645) no Hoare annotation was computed. [2021-10-11 02:33:42,547 INFO L262 CegarLoopResult]: For program point L637-5(lines 637 645) no Hoare annotation was computed. [2021-10-11 02:33:42,548 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2021-10-11 02:33:42,548 INFO L265 CegarLoopResult]: At program point L176(lines 157 179) the Hoare annotation is: true [2021-10-11 02:33:42,548 INFO L258 CegarLoopResult]: At program point L143(lines 139 145) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:33:42,548 INFO L258 CegarLoopResult]: At program point L804(lines 789 807) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:33:42,548 INFO L258 CegarLoopResult]: At program point L804-1(lines 789 807) the Hoare annotation is: false [2021-10-11 02:33:42,549 INFO L258 CegarLoopResult]: At program point L804-2(lines 789 807) the Hoare annotation is: false [2021-10-11 02:33:42,549 INFO L262 CegarLoopResult]: For program point L872(lines 872 887) no Hoare annotation was computed. [2021-10-11 02:33:42,549 INFO L258 CegarLoopResult]: At program point L608(lines 608 614) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4) (and .cse0 .cse2 .cse3 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 .cse3 .cse4) (and .cse0 .cse2 .cse3 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:33:42,549 INFO L258 CegarLoopResult]: At program point L608-1(lines 608 614) the Hoare annotation is: false [2021-10-11 02:33:42,549 INFO L258 CegarLoopResult]: At program point L608-2(lines 608 614) the Hoare annotation is: false [2021-10-11 02:33:42,549 INFO L262 CegarLoopResult]: For program point L907(lines 907 911) no Hoare annotation was computed. [2021-10-11 02:33:42,550 INFO L262 CegarLoopResult]: For program point L907-3(lines 907 911) no Hoare annotation was computed. [2021-10-11 02:33:42,550 INFO L262 CegarLoopResult]: For program point L907-6(lines 907 911) no Hoare annotation was computed. [2021-10-11 02:33:42,550 INFO L262 CegarLoopResult]: For program point L843(lines 842 891) no Hoare annotation was computed. [2021-10-11 02:33:42,550 INFO L258 CegarLoopResult]: At program point L976(lines 971 979) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))))) [2021-10-11 02:33:42,550 INFO L258 CegarLoopResult]: At program point L976-1(lines 971 979) the Hoare annotation is: false [2021-10-11 02:33:42,550 INFO L258 CegarLoopResult]: At program point L976-2(lines 971 979) the Hoare annotation is: false [2021-10-11 02:33:42,551 INFO L262 CegarLoopResult]: For program point L844(lines 844 848) no Hoare annotation was computed. [2021-10-11 02:33:42,551 INFO L262 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2021-10-11 02:33:42,551 INFO L262 CegarLoopResult]: For program point L580-1(line 580) no Hoare annotation was computed. [2021-10-11 02:33:42,551 INFO L262 CegarLoopResult]: For program point L580-2(line 580) no Hoare annotation was computed. [2021-10-11 02:33:42,551 INFO L258 CegarLoopResult]: At program point L944(lines 939 947) the Hoare annotation is: false [2021-10-11 02:33:42,551 INFO L258 CegarLoopResult]: At program point L944-1(lines 939 947) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) [2021-10-11 02:33:42,552 INFO L258 CegarLoopResult]: At program point L944-2(lines 939 947) the Hoare annotation is: false [2021-10-11 02:33:42,552 INFO L258 CegarLoopResult]: At program point L944-3(lines 939 947) the Hoare annotation is: false [2021-10-11 02:33:42,552 INFO L262 CegarLoopResult]: For program point L812(lines 812 818) no Hoare annotation was computed. [2021-10-11 02:33:42,552 INFO L258 CegarLoopResult]: At program point L944-4(lines 939 947) the Hoare annotation is: false [2021-10-11 02:33:42,552 INFO L258 CegarLoopResult]: At program point L812-1(lines 812 818) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:33:42,552 INFO L262 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:33:42,553 INFO L258 CegarLoopResult]: At program point L944-5(lines 939 947) the Hoare annotation is: false [2021-10-11 02:33:42,553 INFO L262 CegarLoopResult]: For program point L779-2(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:33:42,553 INFO L262 CegarLoopResult]: For program point L779-3(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:33:42,553 INFO L262 CegarLoopResult]: For program point L779-5(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:33:42,553 INFO L262 CegarLoopResult]: For program point L779-6(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:33:42,553 INFO L262 CegarLoopResult]: For program point L779-8(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:33:42,553 INFO L262 CegarLoopResult]: For program point L779-9(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:33:42,554 INFO L262 CegarLoopResult]: For program point L779-11(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:33:42,554 INFO L262 CegarLoopResult]: For program point L779-12(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:33:42,554 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:33:42,554 INFO L262 CegarLoopResult]: For program point L779-14(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:33:42,554 INFO L262 CegarLoopResult]: For program point L779-15(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:33:42,554 INFO L262 CegarLoopResult]: For program point L779-17(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:33:42,554 INFO L262 CegarLoopResult]: For program point L880(lines 880 886) no Hoare annotation was computed. [2021-10-11 02:33:42,555 INFO L258 CegarLoopResult]: At program point L880-1(lines 601 607) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 .cse2 .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse3) (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:33:42,555 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:33:42,555 INFO L258 CegarLoopResult]: At program point L785(lines 770 788) the Hoare annotation is: false [2021-10-11 02:33:42,555 INFO L258 CegarLoopResult]: At program point L785-1(lines 770 788) the Hoare annotation is: (let ((.cse3 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse6 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse3 .cse0 .cse1 .cse4 .cse5 .cse6 .cse2 .cse7 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse3 .cse0 .cse1 .cse4 .cse5 .cse6 .cse2 .cse7))) [2021-10-11 02:33:42,555 INFO L258 CegarLoopResult]: At program point L785-2(lines 770 788) the Hoare annotation is: false [2021-10-11 02:33:42,556 INFO L258 CegarLoopResult]: At program point L785-3(lines 770 788) the Hoare annotation is: false [2021-10-11 02:33:42,556 INFO L258 CegarLoopResult]: At program point L785-4(lines 770 788) the Hoare annotation is: false [2021-10-11 02:33:42,556 INFO L258 CegarLoopResult]: At program point L785-5(lines 770 788) the Hoare annotation is: false [2021-10-11 02:33:42,556 INFO L258 CegarLoopResult]: At program point L92-2(lines 92 106) the Hoare annotation is: false [2021-10-11 02:33:42,556 INFO L262 CegarLoopResult]: For program point L984(lines 984 990) no Hoare annotation was computed. [2021-10-11 02:33:42,556 INFO L262 CegarLoopResult]: For program point L984-1(lines 984 990) no Hoare annotation was computed. [2021-10-11 02:33:42,556 INFO L262 CegarLoopResult]: For program point L984-2(lines 984 990) no Hoare annotation was computed. [2021-10-11 02:33:42,557 INFO L262 CegarLoopResult]: For program point L984-3(lines 984 990) no Hoare annotation was computed. [2021-10-11 02:33:42,557 INFO L262 CegarLoopResult]: For program point L852(lines 852 858) no Hoare annotation was computed. [2021-10-11 02:33:42,557 INFO L262 CegarLoopResult]: For program point L984-4(lines 984 990) no Hoare annotation was computed. [2021-10-11 02:33:42,557 INFO L258 CegarLoopResult]: At program point L852-1(lines 852 858) the Hoare annotation is: (let ((.cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse1 .cse3) (and .cse0 .cse6 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse6 .cse2 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))))) [2021-10-11 02:33:42,557 INFO L262 CegarLoopResult]: For program point L984-5(lines 984 990) no Hoare annotation was computed. [2021-10-11 02:33:42,557 INFO L262 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2021-10-11 02:33:42,558 INFO L262 CegarLoopResult]: For program point L919(lines 919 923) no Hoare annotation was computed. [2021-10-11 02:33:42,558 INFO L258 CegarLoopResult]: At program point L721(lines 714 724) the Hoare annotation is: false [2021-10-11 02:33:42,558 INFO L258 CegarLoopResult]: At program point L721-1(lines 714 724) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) [2021-10-11 02:33:42,558 INFO L258 CegarLoopResult]: At program point L721-2(lines 714 724) the Hoare annotation is: false [2021-10-11 02:33:42,558 INFO L258 CegarLoopResult]: At program point L721-3(lines 714 724) the Hoare annotation is: false [2021-10-11 02:33:42,558 INFO L258 CegarLoopResult]: At program point L721-4(lines 714 724) the Hoare annotation is: false [2021-10-11 02:33:42,558 INFO L258 CegarLoopResult]: At program point L721-5(lines 714 724) the Hoare annotation is: false [2021-10-11 02:33:42,559 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:33:42,559 INFO L262 CegarLoopResult]: For program point L558(lines 558 571) no Hoare annotation was computed. [2021-10-11 02:33:42,559 INFO L258 CegarLoopResult]: At program point L558-1(lines 1 1002) the Hoare annotation is: (let ((.cse2 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967294 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse5 .cse1 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))))) [2021-10-11 02:33:42,559 INFO L262 CegarLoopResult]: For program point L558-2(lines 558 571) no Hoare annotation was computed. [2021-10-11 02:33:42,559 INFO L258 CegarLoopResult]: At program point L558-3(lines 1 1002) the Hoare annotation is: false [2021-10-11 02:33:42,559 INFO L262 CegarLoopResult]: For program point L558-4(lines 558 571) no Hoare annotation was computed. [2021-10-11 02:33:42,560 INFO L258 CegarLoopResult]: At program point L558-5(lines 1 1002) the Hoare annotation is: false [2021-10-11 02:33:42,560 INFO L262 CegarLoopResult]: For program point L96(lines 96 100) no Hoare annotation was computed. [2021-10-11 02:33:42,560 INFO L262 CegarLoopResult]: For program point L96-1(lines 601 607) no Hoare annotation was computed. [2021-10-11 02:33:42,560 INFO L258 CegarLoopResult]: At program point L989(lines 980 993) the Hoare annotation is: false [2021-10-11 02:33:42,560 INFO L258 CegarLoopResult]: At program point L989-1(lines 980 993) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 .cse3 .cse4 .cse2 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse1 .cse3 .cse4 .cse2))) [2021-10-11 02:33:42,560 INFO L258 CegarLoopResult]: At program point L989-2(lines 980 993) the Hoare annotation is: false [2021-10-11 02:33:42,560 INFO L258 CegarLoopResult]: At program point L989-3(lines 980 993) the Hoare annotation is: false [2021-10-11 02:33:42,561 INFO L258 CegarLoopResult]: At program point L989-4(lines 980 993) the Hoare annotation is: false [2021-10-11 02:33:42,561 INFO L258 CegarLoopResult]: At program point L989-5(lines 980 993) the Hoare annotation is: false [2021-10-11 02:33:42,561 INFO L262 CegarLoopResult]: For program point L659(lines 659 676) no Hoare annotation was computed. [2021-10-11 02:33:42,561 INFO L262 CegarLoopResult]: For program point L659-1(lines 659 676) no Hoare annotation was computed. [2021-10-11 02:33:42,561 INFO L262 CegarLoopResult]: For program point L659-2(lines 659 676) no Hoare annotation was computed. [2021-10-11 02:33:42,561 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:33:42,561 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2021-10-11 02:33:42,562 INFO L258 CegarLoopResult]: At program point L892(lines 841 893) the Hoare annotation is: false [2021-10-11 02:33:42,562 INFO L262 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2021-10-11 02:33:42,562 INFO L262 CegarLoopResult]: For program point L562-2(lines 562 568) no Hoare annotation was computed. [2021-10-11 02:33:42,562 INFO L262 CegarLoopResult]: For program point L562-4(lines 562 568) no Hoare annotation was computed. [2021-10-11 02:33:42,562 INFO L258 CegarLoopResult]: At program point L67(lines 1 1002) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:33:42,562 INFO L262 CegarLoopResult]: For program point L167(lines 167 174) no Hoare annotation was computed. [2021-10-11 02:33:42,562 INFO L265 CegarLoopResult]: At program point L167-1(lines 167 174) the Hoare annotation is: true [2021-10-11 02:33:42,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:33:42 BoogieIcfgContainer [2021-10-11 02:33:42,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:33:42,591 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:33:42,591 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:33:42,591 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:33:42,591 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:33:12" (3/4) ... [2021-10-11 02:33:42,594 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:33:42,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:33:42,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:33:42,615 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:33:42,617 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:33:42,618 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:33:42,619 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:33:42,620 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:33:42,644 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:33:42,644 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:33:42,645 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(tmp, 4294967294bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 2bv32 == \result) && ~bvadd64(tmp, 4294967294bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:33:42,645 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:33:42,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:33:42,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2021-10-11 02:33:42,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2021-10-11 02:33:42,647 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2021-10-11 02:33:42,647 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) [2021-10-11 02:33:42,648 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && waterLevel == 2bv32) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:33:42,649 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32 [2021-10-11 02:33:42,650 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2021-10-11 02:33:42,650 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2021-10-11 02:33:42,651 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || (((((((((!(0bv32 == \result) && !(tmp == 0bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) [2021-10-11 02:33:42,710 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21727f04-76b7-4f38-aa98-49b7010c9d58/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:33:42,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:33:42,711 INFO L168 Benchmark]: Toolchain (without parser) took 33915.96 ms. Allocated memory was 67.1 MB in the beginning and 220.2 MB in the end (delta: 153.1 MB). Free memory was 48.8 MB in the beginning and 180.0 MB in the end (delta: -131.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:42,712 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 67.1 MB. Free memory was 49.1 MB in the beginning and 49.1 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:33:42,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.08 ms. Allocated memory is still 67.1 MB. Free memory was 48.6 MB in the beginning and 31.5 MB in the end (delta: 17.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:42,712 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.29 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 31.3 MB in the beginning and 62.0 MB in the end (delta: -30.8 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:42,713 INFO L168 Benchmark]: Boogie Preprocessor took 122.61 ms. Allocated memory is still 81.8 MB. Free memory was 62.0 MB in the beginning and 59.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:42,713 INFO L168 Benchmark]: RCFGBuilder took 2457.61 ms. Allocated memory is still 81.8 MB. Free memory was 59.0 MB in the beginning and 36.9 MB in the end (delta: 22.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:42,713 INFO L168 Benchmark]: TraceAbstraction took 30355.73 ms. Allocated memory was 81.8 MB in the beginning and 220.2 MB in the end (delta: 138.4 MB). Free memory was 36.4 MB in the beginning and 191.6 MB in the end (delta: -155.2 MB). Peak memory consumption was 110.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:42,714 INFO L168 Benchmark]: Witness Printer took 119.68 ms. Allocated memory is still 220.2 MB. Free memory was 191.6 MB in the beginning and 180.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:33:42,716 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 67.1 MB. Free memory was 49.1 MB in the beginning and 49.1 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 761.08 ms. Allocated memory is still 67.1 MB. Free memory was 48.6 MB in the beginning and 31.5 MB in the end (delta: 17.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.29 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 31.3 MB in the beginning and 62.0 MB in the end (delta: -30.8 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 122.61 ms. Allocated memory is still 81.8 MB. Free memory was 62.0 MB in the beginning and 59.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2457.61 ms. Allocated memory is still 81.8 MB. Free memory was 59.0 MB in the beginning and 36.9 MB in the end (delta: 22.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30355.73 ms. Allocated memory was 81.8 MB in the beginning and 220.2 MB in the end (delta: 138.4 MB). Free memory was 36.4 MB in the beginning and 191.6 MB in the end (delta: -155.2 MB). Peak memory consumption was 110.1 MB. Max. memory is 16.1 GB. * Witness Printer took 119.68 ms. Allocated memory is still 220.2 MB. Free memory was 191.6 MB in the beginning and 180.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && waterLevel == 2bv32) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(tmp, 4294967294bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 2bv32 == \result) && ~bvadd64(tmp, 4294967294bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || (((((((((!(0bv32 == \result) && !(tmp == 0bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.3s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1710 SDtfs, 4180 SDslu, 4080 SDs, 0 SdLazy, 762 SolverSat, 172 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1087 GetRequests, 955 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2251 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=442occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 3856 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 175 NumberOfFragments, 950 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1774956 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 56 FomulaSimplificationsInter, 555107 FormulaSimplificationTreeSizeReductionInter, 8.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 744 NumberOfCodeBlocks, 744 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 995 ConstructedInterpolants, 0 QuantifiedInterpolants, 162967 SizeOfPredicates, 40 NumberOfNonLiveVariables, 3900 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 22 InterpolantComputations, 12 PerfectInterpolantSequences, 181/259 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...