./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 602cfe18b91619df9f72a635538ac12a04ad2b1a7317fc21bfb2789503e11368 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 602cfe18b91619df9f72a635538ac12a04ad2b1a7317fc21bfb2789503e11368 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:21:10,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:21:10,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:21:11,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:21:11,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:21:11,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:21:11,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:21:11,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:21:11,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:21:11,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:21:11,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:21:11,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:21:11,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:21:11,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:21:11,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:21:11,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:21:11,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:21:11,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:21:11,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:21:11,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:21:11,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:21:11,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:21:11,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:21:11,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:21:11,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:21:11,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:21:11,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:21:11,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:21:11,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:21:11,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:21:11,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:21:11,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:21:11,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:21:11,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:21:11,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:21:11,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:21:11,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:21:11,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:21:11,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:21:11,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:21:11,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:21:11,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:21:11,104 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:21:11,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:21:11,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:21:11,106 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:21:11,106 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:21:11,106 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:21:11,107 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:21:11,107 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:21:11,107 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:21:11,107 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:21:11,107 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:21:11,108 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:21:11,108 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:21:11,108 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:21:11,108 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:21:11,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:21:11,109 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:21:11,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:21:11,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:21:11,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:21:11,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:21:11,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:21:11,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:21:11,111 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:21:11,111 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:21:11,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:21:11,112 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:21:11,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:21:11,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:21:11,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:21:11,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:21:11,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:21:11,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:21:11,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:21:11,114 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:21:11,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:21:11,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:21:11,114 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:21:11,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:21:11,115 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_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 602cfe18b91619df9f72a635538ac12a04ad2b1a7317fc21bfb2789503e11368 [2021-10-24 10:21:11,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:21:11,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:21:11,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:21:11,386 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:21:11,387 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:21:11,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2021-10-24 10:21:11,478 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/data/907918eec/5dda8f56b65e414ab47354708c0f79aa/FLAG590108cac [2021-10-24 10:21:11,970 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:21:11,971 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2021-10-24 10:21:11,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/data/907918eec/5dda8f56b65e414ab47354708c0f79aa/FLAG590108cac [2021-10-24 10:21:12,285 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/data/907918eec/5dda8f56b65e414ab47354708c0f79aa [2021-10-24 10:21:12,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:21:12,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:21:12,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:21:12,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:21:12,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:21:12,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:21:12" (1/1) ... [2021-10-24 10:21:12,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a82477f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:12, skipping insertion in model container [2021-10-24 10:21:12,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:21:12" (1/1) ... [2021-10-24 10:21:12,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:21:12,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:21:12,566 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_6b005a03-e889-4ea7-b680-f898fc483068/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c[5426,5439] [2021-10-24 10:21:12,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:21:12,676 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 10:21:12,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f3c57bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:12, skipping insertion in model container [2021-10-24 10:21:12,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:21:12,677 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:21:12,679 INFO L168 Benchmark]: Toolchain (without parser) took 389.16 ms. Allocated memory is still 138.4 MB. Free memory was 102.0 MB in the beginning and 111.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:12,680 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 86.0 MB. Free memory was 56.6 MB in the beginning and 56.6 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:21:12,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.28 ms. Allocated memory is still 138.4 MB. Free memory was 101.8 MB in the beginning and 111.5 MB in the end (delta: -9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:12,683 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 86.0 MB. Free memory was 56.6 MB in the beginning and 56.6 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 386.28 ms. Allocated memory is still 138.4 MB. Free memory was 101.8 MB in the beginning and 111.5 MB in the end (delta: -9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 362]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:21:14,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:21:14,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:21:14,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:21:14,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:21:14,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:21:14,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:21:14,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:21:14,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:21:14,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:21:14,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:21:14,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:21:14,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:21:14,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:21:15,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:21:15,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:21:15,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:21:15,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:21:15,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:21:15,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:21:15,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:21:15,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:21:15,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:21:15,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:21:15,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:21:15,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:21:15,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:21:15,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:21:15,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:21:15,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:21:15,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:21:15,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:21:15,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:21:15,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:21:15,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:21:15,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:21:15,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:21:15,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:21:15,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:21:15,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:21:15,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:21:15,057 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:21:15,101 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:21:15,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:21:15,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:21:15,102 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:21:15,103 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:21:15,103 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:21:15,103 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:21:15,103 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:21:15,104 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:21:15,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:21:15,106 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:21:15,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:21:15,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:21:15,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:21:15,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:21:15,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:21:15,107 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:21:15,108 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:21:15,108 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:21:15,108 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:21:15,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:21:15,109 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:21:15,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:21:15,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:21:15,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:21:15,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:21:15,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:21:15,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:21:15,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:21:15,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:21:15,111 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:21:15,111 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:21:15,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:21:15,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:21:15,112 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:21:15,112 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_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 602cfe18b91619df9f72a635538ac12a04ad2b1a7317fc21bfb2789503e11368 [2021-10-24 10:21:15,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:21:15,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:21:15,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:21:15,464 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:21:15,464 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:21:15,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2021-10-24 10:21:15,523 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/data/2216b4b94/7186a39994ac474d82f65dade4d8da65/FLAGf3acc0005 [2021-10-24 10:21:16,183 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:21:16,184 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2021-10-24 10:21:16,197 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/data/2216b4b94/7186a39994ac474d82f65dade4d8da65/FLAGf3acc0005 [2021-10-24 10:21:16,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/data/2216b4b94/7186a39994ac474d82f65dade4d8da65 [2021-10-24 10:21:16,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:21:16,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:21:16,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:21:16,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:21:16,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:21:16,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:21:16" (1/1) ... [2021-10-24 10:21:16,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf61c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:16, skipping insertion in model container [2021-10-24 10:21:16,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:21:16" (1/1) ... [2021-10-24 10:21:16,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:21:16,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:21:16,694 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_6b005a03-e889-4ea7-b680-f898fc483068/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c[5426,5439] [2021-10-24 10:21:16,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:21:16,816 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:21:16,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:21:16,881 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_6b005a03-e889-4ea7-b680-f898fc483068/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c[5426,5439] [2021-10-24 10:21:16,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:21:16,929 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:21:16,954 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_6b005a03-e889-4ea7-b680-f898fc483068/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c[5426,5439] [2021-10-24 10:21:16,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:21:17,016 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:21:17,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:17 WrapperNode [2021-10-24 10:21:17,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:21:17,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:21:17,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:21:17,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:21:17,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:17" (1/1) ... [2021-10-24 10:21:17,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:17" (1/1) ... [2021-10-24 10:21:17,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:21:17,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:21:17,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:21:17,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:21:17,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:17" (1/1) ... [2021-10-24 10:21:17,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:17" (1/1) ... [2021-10-24 10:21:17,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:17" (1/1) ... [2021-10-24 10:21:17,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:17" (1/1) ... [2021-10-24 10:21:17,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:17" (1/1) ... [2021-10-24 10:21:17,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:17" (1/1) ... [2021-10-24 10:21:17,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:17" (1/1) ... [2021-10-24 10:21:17,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:21:17,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:21:17,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:21:17,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:21:17,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:17" (1/1) ... [2021-10-24 10:21:17,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:21:17,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:21:17,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:21:17,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:21:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:21:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:21:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:21:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:21:19,504 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:21:19,505 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-24 10:21:19,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:21:19 BoogieIcfgContainer [2021-10-24 10:21:19,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:21:19,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:21:19,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:21:19,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:21:19,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:21:16" (1/3) ... [2021-10-24 10:21:19,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d017dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:21:19, skipping insertion in model container [2021-10-24 10:21:19,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:17" (2/3) ... [2021-10-24 10:21:19,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d017dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:21:19, skipping insertion in model container [2021-10-24 10:21:19,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:21:19" (3/3) ... [2021-10-24 10:21:19,514 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product26.cil.c [2021-10-24 10:21:19,520 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:21:19,520 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:21:19,588 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:21:19,595 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:21:19,595 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:21:19,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:19,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:21:19,618 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:21:19,619 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:21:19,620 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:21:19,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:21:19,625 INFO L82 PathProgramCache]: Analyzing trace with hash -139589629, now seen corresponding path program 1 times [2021-10-24 10:21:19,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:21:19,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378034414] [2021-10-24 10:21:19,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:21:19,640 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:21:19,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:21:19,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:21:19,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:21:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:21:19,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:21:19,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:21:19,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:21:19,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:21:20,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:21:20,061 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:21:20,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378034414] [2021-10-24 10:21:20,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378034414] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:21:20,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:21:20,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:21:20,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313169318] [2021-10-24 10:21:20,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:21:20,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:21:20,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:21:20,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:21:20,092 INFO L87 Difference]: Start difference. First operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:20,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:21:20,129 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2021-10-24 10:21:20,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:21:20,130 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-24 10:21:20,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:21:20,142 INFO L225 Difference]: With dead ends: 151 [2021-10-24 10:21:20,142 INFO L226 Difference]: Without dead ends: 75 [2021-10-24 10:21:20,146 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:21:20,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-24 10:21:20,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-24 10:21:20,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 72 states have (on average 1.4722222222222223) internal successors, (106), 74 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:20,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2021-10-24 10:21:20,198 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2021-10-24 10:21:20,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:21:20,199 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2021-10-24 10:21:20,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:20,199 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-10-24 10:21:20,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:21:20,201 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:21:20,201 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:21:20,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:21:20,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:21:20,414 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:21:20,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:21:20,416 INFO L82 PathProgramCache]: Analyzing trace with hash 221130307, now seen corresponding path program 1 times [2021-10-24 10:21:20,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:21:20,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876307030] [2021-10-24 10:21:20,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:21:20,417 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:21:20,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:21:20,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:21:20,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:21:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:21:20,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:21:20,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:21:20,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:21:20,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:21:20,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:21:20,773 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:21:20,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1876307030] [2021-10-24 10:21:20,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1876307030] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:21:20,774 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:21:20,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:21:20,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661139813] [2021-10-24 10:21:20,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:21:20,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:21:20,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:21:20,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:21:20,778 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:20,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:21:20,790 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2021-10-24 10:21:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:21:20,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 10:21:20,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:21:20,792 INFO L225 Difference]: With dead ends: 75 [2021-10-24 10:21:20,792 INFO L226 Difference]: Without dead ends: 35 [2021-10-24 10:21:20,793 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:21:20,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-24 10:21:20,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-24 10:21:20,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:20,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-24 10:21:20,798 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-24 10:21:20,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:21:20,799 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-24 10:21:20,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-24 10:21:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:21:20,800 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:21:20,801 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:21:20,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-24 10:21:21,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:21:21,013 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:21:21,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:21:21,014 INFO L82 PathProgramCache]: Analyzing trace with hash -716043337, now seen corresponding path program 1 times [2021-10-24 10:21:21,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:21:21,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775548322] [2021-10-24 10:21:21,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:21:21,015 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:21:21,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:21:21,016 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:21:21,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:21:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:21:21,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:21:21,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:21:21,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:21:21,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:21:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:21:21,373 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:21:21,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775548322] [2021-10-24 10:21:21,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1775548322] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:21:21,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:21:21,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:21:21,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381038718] [2021-10-24 10:21:21,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:21:21,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:21:21,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:21:21,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:21:21,375 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:21,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:21:21,409 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2021-10-24 10:21:21,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:21:21,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:21:21,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:21:21,411 INFO L225 Difference]: With dead ends: 63 [2021-10-24 10:21:21,411 INFO L226 Difference]: Without dead ends: 35 [2021-10-24 10:21:21,412 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:21:21,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-24 10:21:21,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-24 10:21:21,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:21,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2021-10-24 10:21:21,417 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2021-10-24 10:21:21,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:21:21,417 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2021-10-24 10:21:21,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:21,418 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-10-24 10:21:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:21:21,419 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:21:21,419 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:21:21,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:21:21,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:21:21,631 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:21:21,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:21:21,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1023539591, now seen corresponding path program 1 times [2021-10-24 10:21:21,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:21:21,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156451713] [2021-10-24 10:21:21,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:21:21,633 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:21:21,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:21:21,635 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:21:21,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:21:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:21:21,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:21:21,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:21:21,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:21:21,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:21:22,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:21:22,100 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:21:22,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156451713] [2021-10-24 10:21:22,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1156451713] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:21:22,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:21:22,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:21:22,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257430846] [2021-10-24 10:21:22,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:21:22,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:21:22,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:21:22,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:21:22,104 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:22,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:21:22,185 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2021-10-24 10:21:22,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:21:22,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-24 10:21:22,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:21:22,188 INFO L225 Difference]: With dead ends: 154 [2021-10-24 10:21:22,189 INFO L226 Difference]: Without dead ends: 126 [2021-10-24 10:21:22,189 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 41.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:21:22,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-24 10:21:22,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2021-10-24 10:21:22,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 57 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:22,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2021-10-24 10:21:22,213 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2021-10-24 10:21:22,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:21:22,213 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2021-10-24 10:21:22,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2021-10-24 10:21:22,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:21:22,216 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:21:22,216 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:21:22,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:21:22,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:21:22,435 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:21:22,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:21:22,436 INFO L82 PathProgramCache]: Analyzing trace with hash -917769487, now seen corresponding path program 1 times [2021-10-24 10:21:22,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:21:22,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1497093780] [2021-10-24 10:21:22,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:21:22,437 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:21:22,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:21:22,438 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:21:22,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:21:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:21:22,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:21:22,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:21:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:21:22,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:21:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:21:22,889 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:21:22,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1497093780] [2021-10-24 10:21:22,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1497093780] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:21:22,890 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:21:22,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:21:22,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864981654] [2021-10-24 10:21:22,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:21:22,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:21:22,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:21:22,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:21:22,895 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:22,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:21:22,987 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2021-10-24 10:21:22,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:21:22,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 10:21:22,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:21:22,988 INFO L225 Difference]: With dead ends: 150 [2021-10-24 10:21:22,988 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:21:22,989 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:21:22,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:21:22,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:21:22,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:22,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:21:22,990 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-24 10:21:22,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:21:22,991 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:21:22,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:22,991 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:21:22,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:21:22,994 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:21:22,995 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:21:22,995 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:21:23,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:21:23,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:21:23,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:21:23,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:21:23,578 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 329) no Hoare annotation was computed. [2021-10-24 10:21:23,578 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 917) no Hoare annotation was computed. [2021-10-24 10:21:23,578 INFO L853 garLoopResultBuilder]: At program point L911-1(lines 911 917) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:21:23,578 INFO L857 garLoopResultBuilder]: For program point L746(lines 746 754) no Hoare annotation was computed. [2021-10-24 10:21:23,579 INFO L857 garLoopResultBuilder]: For program point L746-1(lines 746 754) no Hoare annotation was computed. [2021-10-24 10:21:23,579 INFO L857 garLoopResultBuilder]: For program point L746-2(lines 746 754) no Hoare annotation was computed. [2021-10-24 10:21:23,579 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 866) no Hoare annotation was computed. [2021-10-24 10:21:23,579 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:21:23,579 INFO L857 garLoopResultBuilder]: For program point L862-2(lines 862 866) no Hoare annotation was computed. [2021-10-24 10:21:23,579 INFO L857 garLoopResultBuilder]: For program point L862-3(lines 862 866) no Hoare annotation was computed. [2021-10-24 10:21:23,579 INFO L857 garLoopResultBuilder]: For program point L218(lines 218 225) no Hoare annotation was computed. [2021-10-24 10:21:23,579 INFO L857 garLoopResultBuilder]: For program point L862-5(lines 862 866) no Hoare annotation was computed. [2021-10-24 10:21:23,580 INFO L860 garLoopResultBuilder]: At program point L218-1(lines 218 225) the Hoare annotation is: true [2021-10-24 10:21:23,580 INFO L857 garLoopResultBuilder]: For program point L862-6(lines 862 866) no Hoare annotation was computed. [2021-10-24 10:21:23,580 INFO L857 garLoopResultBuilder]: For program point L862-8(lines 862 866) no Hoare annotation was computed. [2021-10-24 10:21:23,580 INFO L853 garLoopResultBuilder]: At program point L813(lines 808 816) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:21:23,580 INFO L853 garLoopResultBuilder]: At program point L813-1(lines 808 816) the Hoare annotation is: false [2021-10-24 10:21:23,580 INFO L853 garLoopResultBuilder]: At program point L813-2(lines 808 816) the Hoare annotation is: false [2021-10-24 10:21:23,581 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 933) no Hoare annotation was computed. [2021-10-24 10:21:23,581 INFO L853 garLoopResultBuilder]: At program point L929-2(lines 710 716) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:21:23,581 INFO L853 garLoopResultBuilder]: At program point L320(lines 315 323) the Hoare annotation is: false [2021-10-24 10:21:23,581 INFO L853 garLoopResultBuilder]: At program point L320-1(lines 315 323) the Hoare annotation is: false [2021-10-24 10:21:23,581 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 258) no Hoare annotation was computed. [2021-10-24 10:21:23,581 INFO L853 garLoopResultBuilder]: At program point L320-2(lines 315 323) the Hoare annotation is: false [2021-10-24 10:21:23,581 INFO L853 garLoopResultBuilder]: At program point L717(lines 717 723) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:21:23,582 INFO L853 garLoopResultBuilder]: At program point L717-1(lines 717 723) the Hoare annotation is: false [2021-10-24 10:21:23,582 INFO L853 garLoopResultBuilder]: At program point L717-2(lines 717 723) the Hoare annotation is: false [2021-10-24 10:21:23,582 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:21:23,582 INFO L857 garLoopResultBuilder]: For program point L108(lines 108 125) no Hoare annotation was computed. [2021-10-24 10:21:23,582 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 946) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:21:23,582 INFO L853 garLoopResultBuilder]: At program point L108-1(lines 1 946) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:21:23,582 INFO L857 garLoopResultBuilder]: For program point L108-2(lines 108 125) no Hoare annotation was computed. [2021-10-24 10:21:23,583 INFO L853 garLoopResultBuilder]: At program point L108-3(lines 1 946) the Hoare annotation is: false [2021-10-24 10:21:23,583 INFO L857 garLoopResultBuilder]: For program point L108-4(lines 108 125) no Hoare annotation was computed. [2021-10-24 10:21:23,583 INFO L853 garLoopResultBuilder]: At program point L108-5(lines 1 946) the Hoare annotation is: false [2021-10-24 10:21:23,583 INFO L857 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2021-10-24 10:21:23,583 INFO L853 garLoopResultBuilder]: At program point L901-1(lines 901 907) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:21:23,583 INFO L853 garLoopResultBuilder]: At program point L868(lines 853 871) the Hoare annotation is: false [2021-10-24 10:21:23,583 INFO L853 garLoopResultBuilder]: At program point L868-1(lines 853 871) the Hoare annotation is: false [2021-10-24 10:21:23,583 INFO L853 garLoopResultBuilder]: At program point L868-2(lines 853 871) the Hoare annotation is: false [2021-10-24 10:21:23,584 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 329) no Hoare annotation was computed. [2021-10-24 10:21:23,584 INFO L853 garLoopResultBuilder]: At program point L142-2(lines 142 156) the Hoare annotation is: false [2021-10-24 10:21:23,584 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 246) no Hoare annotation was computed. [2021-10-24 10:21:23,584 INFO L857 garLoopResultBuilder]: For program point L242-3(lines 242 246) no Hoare annotation was computed. [2021-10-24 10:21:23,584 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-24 10:21:23,584 INFO L857 garLoopResultBuilder]: For program point L242-6(lines 242 246) no Hoare annotation was computed. [2021-10-24 10:21:23,584 INFO L853 garLoopResultBuilder]: At program point L193(lines 189 195) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:21:23,585 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:21:23,585 INFO L860 garLoopResultBuilder]: At program point L227(lines 208 230) the Hoare annotation is: true [2021-10-24 10:21:23,585 INFO L857 garLoopResultBuilder]: For program point L921(lines 921 934) no Hoare annotation was computed. [2021-10-24 10:21:23,585 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 122) no Hoare annotation was computed. [2021-10-24 10:21:23,585 INFO L857 garLoopResultBuilder]: For program point L112-2(lines 112 122) no Hoare annotation was computed. [2021-10-24 10:21:23,585 INFO L857 garLoopResultBuilder]: For program point L112-4(lines 112 122) no Hoare annotation was computed. [2021-10-24 10:21:23,585 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 150) no Hoare annotation was computed. [2021-10-24 10:21:23,586 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2021-10-24 10:21:23,586 INFO L857 garLoopResultBuilder]: For program point L146-1(lines 710 716) no Hoare annotation was computed. [2021-10-24 10:21:23,586 INFO L857 garLoopResultBuilder]: For program point L113-2(lines 113 119) no Hoare annotation was computed. [2021-10-24 10:21:23,586 INFO L857 garLoopResultBuilder]: For program point L113-4(lines 113 119) no Hoare annotation was computed. [2021-10-24 10:21:23,586 INFO L853 garLoopResultBuilder]: At program point L939(lines 890 940) the Hoare annotation is: false [2021-10-24 10:21:23,586 INFO L853 garLoopResultBuilder]: At program point L97(lines 92 99) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:21:23,586 INFO L853 garLoopResultBuilder]: At program point L279(lines 274 282) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:21:23,587 INFO L853 garLoopResultBuilder]: At program point L279-1(lines 274 282) the Hoare annotation is: false [2021-10-24 10:21:23,587 INFO L853 garLoopResultBuilder]: At program point L279-2(lines 274 282) the Hoare annotation is: false [2021-10-24 10:21:23,587 INFO L857 garLoopResultBuilder]: For program point L329(line 329) no Hoare annotation was computed. [2021-10-24 10:21:23,587 INFO L857 garLoopResultBuilder]: For program point L329-1(line 329) no Hoare annotation was computed. [2021-10-24 10:21:23,587 INFO L857 garLoopResultBuilder]: For program point L329-2(line 329) no Hoare annotation was computed. [2021-10-24 10:21:23,587 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 759) no Hoare annotation was computed. [2021-10-24 10:21:23,587 INFO L857 garLoopResultBuilder]: For program point L742-1(lines 742 759) no Hoare annotation was computed. [2021-10-24 10:21:23,587 INFO L857 garLoopResultBuilder]: For program point L742-2(lines 742 759) no Hoare annotation was computed. [2021-10-24 10:21:23,588 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:21:23,588 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 329) no Hoare annotation was computed. [2021-10-24 10:21:23,588 INFO L853 garLoopResultBuilder]: At program point L710(lines 709 728) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:21:23,588 INFO L857 garLoopResultBuilder]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2021-10-24 10:21:23,588 INFO L853 garLoopResultBuilder]: At program point L710-2(lines 709 728) the Hoare annotation is: false [2021-10-24 10:21:23,588 INFO L853 garLoopResultBuilder]: At program point L710-3(lines 709 728) the Hoare annotation is: false [2021-10-24 10:21:23,589 INFO L857 garLoopResultBuilder]: For program point L892(lines 891 938) no Hoare annotation was computed. [2021-10-24 10:21:23,589 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:21:23,589 INFO L857 garLoopResultBuilder]: For program point L893(lines 893 897) no Hoare annotation was computed. [2021-10-24 10:21:23,589 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 270) no Hoare annotation was computed. [2021-10-24 10:21:23,596 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:21:23,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:21:23 BoogieIcfgContainer [2021-10-24 10:21:23,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:21:23,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:21:23,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:21:23,612 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:21:23,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:21:19" (3/4) ... [2021-10-24 10:21:23,615 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:21:23,631 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:21:23,632 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:21:23,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:21:23,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:21:23,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:21:23,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:21:23,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:21:23,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:21:23,711 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:21:23,713 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:21:23,715 INFO L168 Benchmark]: Toolchain (without parser) took 7268.35 ms. Allocated memory was 62.9 MB in the beginning and 111.1 MB in the end (delta: 48.2 MB). Free memory was 41.7 MB in the beginning and 74.2 MB in the end (delta: -32.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:23,716 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 62.9 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:21:23,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.25 ms. Allocated memory is still 62.9 MB. Free memory was 41.6 MB in the beginning and 35.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:23,717 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.60 ms. Allocated memory is still 62.9 MB. Free memory was 35.5 MB in the beginning and 32.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:23,717 INFO L168 Benchmark]: Boogie Preprocessor took 40.81 ms. Allocated memory is still 62.9 MB. Free memory was 32.6 MB in the beginning and 30.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:23,718 INFO L168 Benchmark]: RCFGBuilder took 2366.39 ms. Allocated memory was 62.9 MB in the beginning and 88.1 MB in the end (delta: 25.2 MB). Free memory was 30.3 MB in the beginning and 44.7 MB in the end (delta: -14.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:23,718 INFO L168 Benchmark]: TraceAbstraction took 4102.46 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 44.2 MB in the beginning and 81.0 MB in the end (delta: -36.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:23,718 INFO L168 Benchmark]: Witness Printer took 102.29 ms. Allocated memory is still 111.1 MB. Free memory was 80.5 MB in the beginning and 74.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:23,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 62.9 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 570.25 ms. Allocated memory is still 62.9 MB. Free memory was 41.6 MB in the beginning and 35.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.60 ms. Allocated memory is still 62.9 MB. Free memory was 35.5 MB in the beginning and 32.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.81 ms. Allocated memory is still 62.9 MB. Free memory was 32.6 MB in the beginning and 30.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2366.39 ms. Allocated memory was 62.9 MB in the beginning and 88.1 MB in the end (delta: 25.2 MB). Free memory was 30.3 MB in the beginning and 44.7 MB in the end (delta: -14.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4102.46 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 44.2 MB in the beginning and 81.0 MB in the end (delta: -36.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * Witness Printer took 102.29 ms. Allocated memory is still 111.1 MB. Free memory was 80.5 MB in the beginning and 74.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 329]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 329]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 329]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 79 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4008.3ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 16.2ms, AutomataDifference: 312.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 369.5ms, InitialAbstractionConstructionTime: 11.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 328 SDtfs, 312 SDslu, 300 SDs, 0 SdLazy, 41 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 92.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 94.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 73.3ms AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 143 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1295 FormulaSimplificationTreeSizeReduction, 256.5ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 103.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 131.3ms SsaConstructionTime, 608.6ms SatisfiabilityAnalysisTime, 977.2ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 SizeOfPredicates, 7 NumberOfNonLiveVariables, 991 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:21:23,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b005a03-e889-4ea7-b680-f898fc483068/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...