./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:35:49,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:35:49,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:35:49,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:35:49,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:35:49,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:35:49,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:35:49,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:35:49,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:35:49,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:35:49,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:35:49,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:35:49,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:35:49,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:35:49,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:35:49,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:35:49,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:35:49,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:35:49,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:35:49,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:35:49,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:35:49,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:35:49,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:35:49,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:35:49,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:35:49,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:35:49,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:35:49,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:35:49,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:35:49,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:35:49,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:35:49,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:35:49,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:35:49,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:35:49,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:35:49,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:35:49,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:35:49,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:35:49,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:35:49,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:35:49,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:35:49,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:35:49,279 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:35:49,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:35:49,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:35:49,281 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:35:49,282 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:35:49,283 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:35:49,283 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:35:49,283 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:35:49,291 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:35:49,292 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:35:49,294 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:35:49,294 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:35:49,294 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:35:49,295 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:35:49,295 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:35:49,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:35:49,297 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:35:49,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:35:49,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:35:49,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:35:49,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:35:49,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:35:49,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:35:49,299 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:35:49,299 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:35:49,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:35:49,299 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:35:49,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:35:49,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:35:49,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:35:49,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:35:49,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:35:49,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:35:49,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:35:49,304 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:35:49,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:35:49,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:35:49,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:35:49,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:35:49,305 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_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 [2021-11-07 01:35:49,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:35:49,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:35:49,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:35:49,759 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:35:49,760 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:35:49,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-11-07 01:35:49,862 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/data/55f8f20b2/ad7fdf72cef149c29603ed1b09ceaae5/FLAGdf40b072e [2021-11-07 01:35:50,536 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:35:50,537 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-11-07 01:35:50,564 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/data/55f8f20b2/ad7fdf72cef149c29603ed1b09ceaae5/FLAGdf40b072e [2021-11-07 01:35:50,816 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/data/55f8f20b2/ad7fdf72cef149c29603ed1b09ceaae5 [2021-11-07 01:35:50,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:35:50,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:35:50,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:35:50,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:35:50,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:35:50,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:50" (1/1) ... [2021-11-07 01:35:50,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576b85c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:50, skipping insertion in model container [2021-11-07 01:35:50,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:50" (1/1) ... [2021-11-07 01:35:50,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:35:50,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:35:51,130 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2021-11-07 01:35:51,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:35:51,287 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:35:51,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57bb9281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:51, skipping insertion in model container [2021-11-07 01:35:51,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:35:51,288 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:35:51,291 INFO L168 Benchmark]: Toolchain (without parser) took 469.23 ms. Allocated memory is still 136.3 MB. Free memory was 99.0 MB in the beginning and 106.8 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:51,292 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 136.3 MB. Free memory was 108.5 MB in the beginning and 108.5 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:35:51,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.64 ms. Allocated memory is still 136.3 MB. Free memory was 99.0 MB in the beginning and 106.8 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:35:51,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 136.3 MB. Free memory was 108.5 MB in the beginning and 108.5 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 465.64 ms. Allocated memory is still 136.3 MB. Free memory was 99.0 MB in the beginning and 106.8 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 535]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:35:54,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:35:54,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:35:54,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:35:54,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:35:54,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:35:54,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:35:54,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:35:54,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:35:54,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:35:54,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:35:54,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:35:54,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:35:54,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:35:54,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:35:54,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:35:54,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:35:54,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:35:54,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:35:54,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:35:54,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:35:54,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:35:54,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:35:54,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:35:54,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:35:54,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:35:54,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:35:54,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:35:54,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:35:54,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:35:54,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:35:54,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:35:54,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:35:54,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:35:54,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:35:54,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:35:54,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:35:54,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:35:54,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:35:54,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:35:54,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:35:54,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:35:54,342 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:35:54,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:35:54,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:35:54,344 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:35:54,344 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:35:54,345 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:35:54,345 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:35:54,345 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:35:54,345 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:35:54,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:35:54,346 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:35:54,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:35:54,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:35:54,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:35:54,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:35:54,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:35:54,348 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:35:54,348 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:35:54,348 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:35:54,349 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:35:54,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:35:54,349 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:35:54,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:35:54,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:35:54,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:35:54,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:35:54,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:35:54,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:35:54,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:35:54,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:35:54,351 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:35:54,353 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:35:54,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:35:54,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:35:54,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:35:54,354 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_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 [2021-11-07 01:35:54,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:35:54,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:35:54,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:35:54,927 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:35:54,930 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:35:54,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-11-07 01:35:55,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/data/df308a479/06fcff96aeff4db98b37973341d5af0a/FLAGba57fd987 [2021-11-07 01:35:55,830 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:35:55,838 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-11-07 01:35:55,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/data/df308a479/06fcff96aeff4db98b37973341d5af0a/FLAGba57fd987 [2021-11-07 01:35:56,114 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/data/df308a479/06fcff96aeff4db98b37973341d5af0a [2021-11-07 01:35:56,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:35:56,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:35:56,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:35:56,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:35:56,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:35:56,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:56" (1/1) ... [2021-11-07 01:35:56,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b324ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:56, skipping insertion in model container [2021-11-07 01:35:56,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:56" (1/1) ... [2021-11-07 01:35:56,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:35:56,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:35:56,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2021-11-07 01:35:56,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:35:56,750 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:35:56,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:35:56,783 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2021-11-07 01:35:56,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:35:56,920 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:35:56,946 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2021-11-07 01:35:57,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:35:57,077 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:35:57,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:57 WrapperNode [2021-11-07 01:35:57,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:35:57,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:35:57,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:35:57,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:35:57,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:57" (1/1) ... [2021-11-07 01:35:57,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:57" (1/1) ... [2021-11-07 01:35:57,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:35:57,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:35:57,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:35:57,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:35:57,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:57" (1/1) ... [2021-11-07 01:35:57,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:57" (1/1) ... [2021-11-07 01:35:57,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:57" (1/1) ... [2021-11-07 01:35:57,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:57" (1/1) ... [2021-11-07 01:35:57,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:57" (1/1) ... [2021-11-07 01:35:57,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:57" (1/1) ... [2021-11-07 01:35:57,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:57" (1/1) ... [2021-11-07 01:35:57,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:35:57,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:35:57,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:35:57,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:35:57,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:57" (1/1) ... [2021-11-07 01:35:57,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:35:57,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:57,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:35:57,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:35:57,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:35:57,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:35:57,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:35:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:36:00,139 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:36:00,140 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-11-07 01:36:00,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:00 BoogieIcfgContainer [2021-11-07 01:36:00,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:36:00,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:36:00,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:36:00,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:36:00,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:35:56" (1/3) ... [2021-11-07 01:36:00,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4ff693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:36:00, skipping insertion in model container [2021-11-07 01:36:00,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:57" (2/3) ... [2021-11-07 01:36:00,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4ff693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:36:00, skipping insertion in model container [2021-11-07 01:36:00,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:00" (3/3) ... [2021-11-07 01:36:00,153 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2021-11-07 01:36:00,160 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:36:00,160 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:36:00,218 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:36:00,226 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:36:00,226 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:36:00,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:00,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:36:00,256 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:00,257 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:00,258 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:00,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:00,265 INFO L85 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2021-11-07 01:36:00,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:36:00,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718541833] [2021-11-07 01:36:00,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:00,292 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:36:00,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:36:00,298 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:36:00,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:36:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:00,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:36:00,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:00,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:00,847 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:36:00,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718541833] [2021-11-07 01:36:00,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718541833] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:36:00,849 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:36:00,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:36:00,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631259902] [2021-11-07 01:36:00,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:36:00,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:36:00,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:36:00,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:36:00,882 INFO L87 Difference]: Start difference. First operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:00,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:00,929 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-11-07 01:36:00,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:36:00,930 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 01:36:00,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:00,944 INFO L225 Difference]: With dead ends: 148 [2021-11-07 01:36:00,944 INFO L226 Difference]: Without dead ends: 73 [2021-11-07 01:36:00,948 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:36:00,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-07 01:36:01,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-11-07 01:36:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:01,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-11-07 01:36:01,009 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-11-07 01:36:01,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:01,010 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-11-07 01:36:01,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-11-07 01:36:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:36:01,014 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:01,014 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:01,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:01,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:36:01,240 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:01,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:01,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2021-11-07 01:36:01,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:36:01,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1523611787] [2021-11-07 01:36:01,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:01,243 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:36:01,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:36:01,245 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:36:01,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:36:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:01,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:36:01,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:01,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:01,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:01,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:01,649 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:36:01,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1523611787] [2021-11-07 01:36:01,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1523611787] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:36:01,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:36:01,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:36:01,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232865018] [2021-11-07 01:36:01,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:36:01,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:36:01,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:36:01,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:36:01,661 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:01,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:01,699 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-11-07 01:36:01,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:36:01,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 01:36:01,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:01,701 INFO L225 Difference]: With dead ends: 73 [2021-11-07 01:36:01,702 INFO L226 Difference]: Without dead ends: 35 [2021-11-07 01:36:01,703 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:36:01,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-07 01:36:01,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-11-07 01:36:01,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:01,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-11-07 01:36:01,717 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-11-07 01:36:01,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:01,719 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-11-07 01:36:01,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:01,719 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-11-07 01:36:01,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:36:01,723 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:01,724 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:01,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:01,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:36:01,940 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:01,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:01,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2021-11-07 01:36:01,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:36:01,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1391776388] [2021-11-07 01:36:01,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:01,942 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:36:01,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:36:01,952 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:36:01,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:36:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:02,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:36:02,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:02,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:02,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:02,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:02,445 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:36:02,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1391776388] [2021-11-07 01:36:02,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1391776388] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:36:02,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:36:02,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:36:02,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076034505] [2021-11-07 01:36:02,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:36:02,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:36:02,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:36:02,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:36:02,452 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:02,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:02,540 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2021-11-07 01:36:02,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:36:02,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-07 01:36:02,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:02,546 INFO L225 Difference]: With dead ends: 116 [2021-11-07 01:36:02,548 INFO L226 Difference]: Without dead ends: 87 [2021-11-07 01:36:02,549 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:36:02,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-11-07 01:36:02,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2021-11-07 01:36:02,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.471698113207547) internal successors, (78), 53 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2021-11-07 01:36:02,569 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2021-11-07 01:36:02,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:02,569 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2021-11-07 01:36:02,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:02,571 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2021-11-07 01:36:02,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:36:02,574 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:02,574 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:02,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:02,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:36:02,790 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:02,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:02,791 INFO L85 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2021-11-07 01:36:02,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:36:02,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36031726] [2021-11-07 01:36:02,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:02,792 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:36:02,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:36:02,798 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:36:02,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:36:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:03,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:36:03,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:03,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:03,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:03,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:03,321 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:36:03,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36031726] [2021-11-07 01:36:03,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36031726] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:36:03,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:36:03,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:36:03,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168444864] [2021-11-07 01:36:03,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:36:03,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:36:03,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:36:03,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:36:03,324 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:03,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:03,442 INFO L93 Difference]: Finished difference Result 256 states and 391 transitions. [2021-11-07 01:36:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:36:03,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-07 01:36:03,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:03,446 INFO L225 Difference]: With dead ends: 256 [2021-11-07 01:36:03,446 INFO L226 Difference]: Without dead ends: 208 [2021-11-07 01:36:03,447 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:36:03,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-07 01:36:03,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 96. [2021-11-07 01:36:03,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 95 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:03,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2021-11-07 01:36:03,470 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 23 [2021-11-07 01:36:03,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:03,471 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2021-11-07 01:36:03,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:03,471 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2021-11-07 01:36:03,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:36:03,473 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:03,473 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:03,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:03,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:36:03,687 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:03,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:03,688 INFO L85 PathProgramCache]: Analyzing trace with hash -207760452, now seen corresponding path program 1 times [2021-11-07 01:36:03,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:36:03,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146397669] [2021-11-07 01:36:03,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:03,689 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:36:03,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:36:03,691 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:36:03,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:36:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:03,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:36:03,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:04,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:04,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:04,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:04,121 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:36:04,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146397669] [2021-11-07 01:36:04,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146397669] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:36:04,126 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:36:04,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:36:04,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201016714] [2021-11-07 01:36:04,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:36:04,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:36:04,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:36:04,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:36:04,129 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:04,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:04,268 INFO L93 Difference]: Finished difference Result 286 states and 425 transitions. [2021-11-07 01:36:04,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:36:04,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:36:04,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:04,269 INFO L225 Difference]: With dead ends: 286 [2021-11-07 01:36:04,269 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:36:04,274 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:36:04,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:36:04,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:36:04,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:04,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:36:04,277 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-11-07 01:36:04,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:04,277 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:36:04,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:04,278 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:36:04,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:36:04,280 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:36:04,281 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:36:04,281 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:36:04,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:04,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:36:04,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:36:04,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:04,955 INFO L857 garLoopResultBuilder]: For program point L448(lines 448 452) no Hoare annotation was computed. [2021-11-07 01:36:04,955 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 01:36:04,956 INFO L853 garLoopResultBuilder]: At program point L895(lines 1 932) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:04,956 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2021-11-07 01:36:04,956 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:36:04,956 INFO L857 garLoopResultBuilder]: For program point L383-2(lines 383 387) no Hoare annotation was computed. [2021-11-07 01:36:04,956 INFO L857 garLoopResultBuilder]: For program point L383-3(lines 383 387) no Hoare annotation was computed. [2021-11-07 01:36:04,957 INFO L857 garLoopResultBuilder]: For program point L383-5(lines 383 387) no Hoare annotation was computed. [2021-11-07 01:36:04,957 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed. [2021-11-07 01:36:04,957 INFO L857 garLoopResultBuilder]: For program point L383-6(lines 383 387) no Hoare annotation was computed. [2021-11-07 01:36:04,957 INFO L853 garLoopResultBuilder]: At program point L185-1(lines 185 191) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:04,958 INFO L857 garLoopResultBuilder]: For program point L383-8(lines 383 387) no Hoare annotation was computed. [2021-11-07 01:36:04,958 INFO L853 garLoopResultBuilder]: At program point L334(lines 329 337) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:04,958 INFO L853 garLoopResultBuilder]: At program point L334-1(lines 329 337) the Hoare annotation is: false [2021-11-07 01:36:04,958 INFO L853 garLoopResultBuilder]: At program point L334-2(lines 329 337) the Hoare annotation is: false [2021-11-07 01:36:04,958 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 293) no Hoare annotation was computed. [2021-11-07 01:36:04,959 INFO L857 garLoopResultBuilder]: For program point L285-1(lines 285 293) no Hoare annotation was computed. [2021-11-07 01:36:04,959 INFO L857 garLoopResultBuilder]: For program point L285-2(lines 285 293) no Hoare annotation was computed. [2021-11-07 01:36:04,959 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-11-07 01:36:04,959 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-11-07 01:36:04,960 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-11-07 01:36:04,960 INFO L853 garLoopResultBuilder]: At program point L71-2(lines 71 85) the Hoare annotation is: false [2021-11-07 01:36:04,960 INFO L857 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2021-11-07 01:36:04,960 INFO L853 garLoopResultBuilder]: At program point L122(lines 118 124) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:04,961 INFO L853 garLoopResultBuilder]: At program point L502(lines 497 505) the Hoare annotation is: false [2021-11-07 01:36:04,961 INFO L853 garLoopResultBuilder]: At program point L502-1(lines 497 505) the Hoare annotation is: false [2021-11-07 01:36:04,961 INFO L857 garLoopResultBuilder]: For program point L436(lines 436 440) no Hoare annotation was computed. [2021-11-07 01:36:04,961 INFO L853 garLoopResultBuilder]: At program point L502-2(lines 497 505) the Hoare annotation is: false [2021-11-07 01:36:04,961 INFO L857 garLoopResultBuilder]: For program point L205(lines 205 220) no Hoare annotation was computed. [2021-11-07 01:36:04,962 INFO L857 garLoopResultBuilder]: For program point L916(lines 916 929) no Hoare annotation was computed. [2021-11-07 01:36:04,962 INFO L853 garLoopResultBuilder]: At program point L916-1(lines 1 932) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:04,962 INFO L857 garLoopResultBuilder]: For program point L916-2(lines 916 929) no Hoare annotation was computed. [2021-11-07 01:36:04,962 INFO L853 garLoopResultBuilder]: At program point L916-3(lines 1 932) the Hoare annotation is: false [2021-11-07 01:36:04,963 INFO L857 garLoopResultBuilder]: For program point L916-4(lines 916 929) no Hoare annotation was computed. [2021-11-07 01:36:04,963 INFO L853 garLoopResultBuilder]: At program point L916-5(lines 1 932) the Hoare annotation is: false [2021-11-07 01:36:04,963 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:36:04,963 INFO L853 garLoopResultBuilder]: At program point L256(lines 256 262) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:04,964 INFO L853 garLoopResultBuilder]: At program point L256-1(lines 256 262) the Hoare annotation is: false [2021-11-07 01:36:04,964 INFO L853 garLoopResultBuilder]: At program point L256-2(lines 256 262) the Hoare annotation is: false [2021-11-07 01:36:04,964 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-11-07 01:36:04,964 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 249 255) no Hoare annotation was computed. [2021-11-07 01:36:04,964 INFO L853 garLoopResultBuilder]: At program point L389(lines 374 392) the Hoare annotation is: false [2021-11-07 01:36:04,965 INFO L853 garLoopResultBuilder]: At program point L389-1(lines 374 392) the Hoare annotation is: false [2021-11-07 01:36:04,965 INFO L853 garLoopResultBuilder]: At program point L389-2(lines 374 392) the Hoare annotation is: false [2021-11-07 01:36:04,965 INFO L860 garLoopResultBuilder]: At program point L158(lines 139 161) the Hoare annotation is: true [2021-11-07 01:36:04,965 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 01:36:04,966 INFO L853 garLoopResultBuilder]: At program point L225(lines 174 226) the Hoare annotation is: false [2021-11-07 01:36:04,966 INFO L857 garLoopResultBuilder]: For program point L176(lines 175 224) no Hoare annotation was computed. [2021-11-07 01:36:04,966 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-11-07 01:36:04,966 INFO L853 garLoopResultBuilder]: At program point L903(lines 898 906) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:04,967 INFO L857 garLoopResultBuilder]: For program point L424-3(lines 424 428) no Hoare annotation was computed. [2021-11-07 01:36:04,967 INFO L857 garLoopResultBuilder]: For program point L424-6(lines 424 428) no Hoare annotation was computed. [2021-11-07 01:36:04,967 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:36:04,967 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 926) no Hoare annotation was computed. [2021-11-07 01:36:04,967 INFO L857 garLoopResultBuilder]: For program point L920-2(lines 920 926) no Hoare annotation was computed. [2021-11-07 01:36:04,968 INFO L857 garLoopResultBuilder]: For program point L920-4(lines 920 926) no Hoare annotation was computed. [2021-11-07 01:36:04,968 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 181) no Hoare annotation was computed. [2021-11-07 01:36:04,968 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 201) no Hoare annotation was computed. [2021-11-07 01:36:04,968 INFO L853 garLoopResultBuilder]: At program point L195-1(lines 195 201) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:04,969 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2021-11-07 01:36:04,969 INFO L853 garLoopResultBuilder]: At program point L213-1(lines 249 255) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:04,969 INFO L853 garLoopResultBuilder]: At program point L461(lines 456 464) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:04,969 INFO L853 garLoopResultBuilder]: At program point L461-1(lines 456 464) the Hoare annotation is: false [2021-11-07 01:36:04,970 INFO L853 garLoopResultBuilder]: At program point L461-2(lines 456 464) the Hoare annotation is: false [2021-11-07 01:36:04,970 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:36:04,970 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 01:36:04,970 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 298) no Hoare annotation was computed. [2021-11-07 01:36:04,971 INFO L857 garLoopResultBuilder]: For program point L281-1(lines 281 298) no Hoare annotation was computed. [2021-11-07 01:36:04,971 INFO L857 garLoopResultBuilder]: For program point L281-2(lines 281 298) no Hoare annotation was computed. [2021-11-07 01:36:04,971 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 156) no Hoare annotation was computed. [2021-11-07 01:36:04,971 INFO L860 garLoopResultBuilder]: At program point L149-1(lines 149 156) the Hoare annotation is: true [2021-11-07 01:36:04,971 INFO L857 garLoopResultBuilder]: For program point L397(lines 397 403) no Hoare annotation was computed. [2021-11-07 01:36:04,972 INFO L853 garLoopResultBuilder]: At program point L397-1(lines 397 403) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:04,972 INFO L853 garLoopResultBuilder]: At program point L249(lines 248 267) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:36:04,972 INFO L857 garLoopResultBuilder]: For program point L249-1(lines 249 255) no Hoare annotation was computed. [2021-11-07 01:36:04,972 INFO L853 garLoopResultBuilder]: At program point L249-2(lines 248 267) the Hoare annotation is: false [2021-11-07 01:36:04,973 INFO L853 garLoopResultBuilder]: At program point L249-3(lines 248 267) the Hoare annotation is: false [2021-11-07 01:36:04,977 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 01:36:04,978 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:36:04,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:36:04 BoogieIcfgContainer [2021-11-07 01:36:04,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:36:04,998 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:36:04,998 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:36:04,998 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:36:04,999 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:00" (3/4) ... [2021-11-07 01:36:05,002 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:36:05,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:36:05,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:36:05,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:36:05,022 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:36:05,023 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:36:05,024 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:36:05,025 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:36:05,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-11-07 01:36:05,097 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:36:05,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:36:05,099 INFO L168 Benchmark]: Toolchain (without parser) took 8977.75 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 33.2 MB in the beginning and 51.4 MB in the end (delta: -18.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:05,100 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 56.6 MB. Free memory was 37.6 MB in the beginning and 37.5 MB in the end (delta: 73.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:36:05,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 937.32 ms. Allocated memory is still 56.6 MB. Free memory was 33.0 MB in the beginning and 24.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:05,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.01 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 23.8 MB in the beginning and 49.2 MB in the end (delta: -25.4 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:05,101 INFO L168 Benchmark]: Boogie Preprocessor took 84.50 ms. Allocated memory is still 69.2 MB. Free memory was 49.2 MB in the beginning and 47.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:05,102 INFO L168 Benchmark]: RCFGBuilder took 2838.98 ms. Allocated memory is still 69.2 MB. Free memory was 47.1 MB in the beginning and 34.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:05,102 INFO L168 Benchmark]: TraceAbstraction took 4852.03 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 34.0 MB in the beginning and 57.7 MB in the end (delta: -23.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:05,103 INFO L168 Benchmark]: Witness Printer took 99.99 ms. Allocated memory is still 83.9 MB. Free memory was 57.7 MB in the beginning and 51.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:05,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 56.6 MB. Free memory was 37.6 MB in the beginning and 37.5 MB in the end (delta: 73.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 937.32 ms. Allocated memory is still 56.6 MB. Free memory was 33.0 MB in the beginning and 24.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 137.01 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 23.8 MB in the beginning and 49.2 MB in the end (delta: -25.4 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.50 ms. Allocated memory is still 69.2 MB. Free memory was 49.2 MB in the beginning and 47.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2838.98 ms. Allocated memory is still 69.2 MB. Free memory was 47.1 MB in the beginning and 34.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4852.03 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 34.0 MB in the beginning and 57.7 MB in the end (delta: -23.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Witness Printer took 99.99 ms. Allocated memory is still 83.9 MB. Free memory was 57.7 MB in the beginning and 51.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 333 SDtfs, 448 SDslu, 368 SDs, 0 SdLazy, 48 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 145 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3757 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:36:05,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7e5cd3b-5efe-4aa7-a15c-132eabffeec7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE