./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.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_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/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_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/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_2bdd7e9d-148d-4ce0-af92-ebe220bba908/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 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 ............................................................................................................................................ 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_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/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_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/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_2bdd7e9d-148d-4ce0-af92-ebe220bba908/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 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:01:56,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:01:56,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:01:56,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:01:56,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:01:56,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:01:56,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:01:56,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:01:56,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:01:56,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:01:56,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:01:56,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:01:56,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:01:56,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:01:56,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:01:56,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:01:56,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:01:56,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:01:56,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:01:56,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:01:56,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:01:56,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:01:56,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:01:56,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:01:56,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:01:56,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:01:56,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:01:56,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:01:56,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:01:56,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:01:56,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:01:56,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:01:56,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:01:56,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:01:56,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:01:56,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:01:56,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:01:56,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:01:56,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:01:56,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:01:56,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:01:56,680 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:01:56,728 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:01:56,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:01:56,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:01:56,731 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:01:56,731 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:01:56,731 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:01:56,732 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:01:56,738 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:01:56,738 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:01:56,738 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:01:56,739 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:01:56,740 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:01:56,740 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:01:56,740 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:01:56,740 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:01:56,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:01:56,742 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:01:56,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:01:56,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:01:56,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:01:56,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:01:56,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:01:56,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:01:56,743 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:01:56,744 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:01:56,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:01:56,744 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:01:56,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:01:56,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:01:56,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:01:56,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:01:56,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:01:56,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:01:56,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:01:56,748 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:01:56,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:01:56,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:01:56,748 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:01:56,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:01:56,749 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_2bdd7e9d-148d-4ce0-af92-ebe220bba908/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 [2021-10-24 11:01:57,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:01:57,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:01:57,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:01:57,042 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:01:57,043 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:01:57,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2021-10-24 11:01:57,102 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/data/da2ea25e1/b26922ba6a47424fac3cdb7b4227aed5/FLAG285d59b71 [2021-10-24 11:01:57,684 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:01:57,684 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2021-10-24 11:01:57,696 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/data/da2ea25e1/b26922ba6a47424fac3cdb7b4227aed5/FLAG285d59b71 [2021-10-24 11:01:57,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/data/da2ea25e1/b26922ba6a47424fac3cdb7b4227aed5 [2021-10-24 11:01:57,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:01:57,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:01:57,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:01:57,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:01:57,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:01:57,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:57" (1/1) ... [2021-10-24 11:01:58,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38135d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:58, skipping insertion in model container [2021-10-24 11:01:58,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:57" (1/1) ... [2021-10-24 11:01:58,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:01:58,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:01:58,357 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_2bdd7e9d-148d-4ce0-af92-ebe220bba908/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14638,14651] [2021-10-24 11:01:58,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:01:58,399 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 11:01:58,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18520523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:58, skipping insertion in model container [2021-10-24 11:01:58,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:01:58,400 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:01:58,403 INFO L168 Benchmark]: Toolchain (without parser) took 408.17 ms. Allocated memory is still 134.2 MB. Free memory was 109.8 MB in the beginning and 106.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:58,405 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 134.2 MB. Free memory was 88.9 MB in the beginning and 88.9 MB in the end (delta: 68.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:01:58,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.67 ms. Allocated memory is still 134.2 MB. Free memory was 109.5 MB in the beginning and 106.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:58,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 134.2 MB. Free memory was 88.9 MB in the beginning and 88.9 MB in the end (delta: 68.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 405.67 ms. Allocated memory is still 134.2 MB. Free memory was 109.5 MB in the beginning and 106.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 116]: 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 11:02:00,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:02:00,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:02:00,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:02:00,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:02:00,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:02:00,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:02:00,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:02:00,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:02:00,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:02:00,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:02:00,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:02:00,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:02:00,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:02:00,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:02:00,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:02:00,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:02:00,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:02:00,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:02:00,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:02:00,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:02:00,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:02:00,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:02:00,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:02:00,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:02:00,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:02:00,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:02:00,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:02:00,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:02:00,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:02:00,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:02:00,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:02:00,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:02:00,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:02:00,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:02:00,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:02:00,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:02:00,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:02:00,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:02:00,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:02:00,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:02:00,957 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 11:02:00,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:02:00,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:02:01,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:02:01,001 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:02:01,001 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:02:01,001 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:02:01,002 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:02:01,002 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:02:01,002 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:02:01,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:02:01,005 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:02:01,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:02:01,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:02:01,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:02:01,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:02:01,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:02:01,008 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:02:01,008 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:02:01,008 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:02:01,009 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:02:01,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:02:01,009 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:02:01,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:02:01,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:02:01,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:02:01,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:02:01,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:02:01,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:02:01,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:02:01,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:02:01,012 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:02:01,012 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:02:01,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:02:01,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:02:01,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:02:01,013 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_2bdd7e9d-148d-4ce0-af92-ebe220bba908/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 [2021-10-24 11:02:01,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:02:01,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:02:01,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:02:01,427 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:02:01,428 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:02:01,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2021-10-24 11:02:01,508 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/data/0eb6c07a3/fd9bcd1668c5409592d4efe2d6fce25c/FLAGac4aa51c3 [2021-10-24 11:02:02,112 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:02:02,112 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2021-10-24 11:02:02,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/data/0eb6c07a3/fd9bcd1668c5409592d4efe2d6fce25c/FLAGac4aa51c3 [2021-10-24 11:02:02,434 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/data/0eb6c07a3/fd9bcd1668c5409592d4efe2d6fce25c [2021-10-24 11:02:02,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:02:02,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:02:02,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:02:02,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:02:02,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:02:02,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:02:02" (1/1) ... [2021-10-24 11:02:02,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e18b0c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:02, skipping insertion in model container [2021-10-24 11:02:02,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:02:02" (1/1) ... [2021-10-24 11:02:02,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:02:02,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:02:02,922 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_2bdd7e9d-148d-4ce0-af92-ebe220bba908/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14638,14651] [2021-10-24 11:02:02,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:02:02,954 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 11:02:02,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:02:03,016 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_2bdd7e9d-148d-4ce0-af92-ebe220bba908/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14638,14651] [2021-10-24 11:02:03,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:02:03,037 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:02:03,126 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_2bdd7e9d-148d-4ce0-af92-ebe220bba908/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14638,14651] [2021-10-24 11:02:03,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:02:03,154 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:02:03,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:03 WrapperNode [2021-10-24 11:02:03,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:02:03,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:02:03,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:02:03,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:02:03,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:03" (1/1) ... [2021-10-24 11:02:03,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:03" (1/1) ... [2021-10-24 11:02:03,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:02:03,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:02:03,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:02:03,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:02:03,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:03" (1/1) ... [2021-10-24 11:02:03,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:03" (1/1) ... [2021-10-24 11:02:03,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:03" (1/1) ... [2021-10-24 11:02:03,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:03" (1/1) ... [2021-10-24 11:02:03,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:03" (1/1) ... [2021-10-24 11:02:03,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:03" (1/1) ... [2021-10-24 11:02:03,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:03" (1/1) ... [2021-10-24 11:02:03,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:02:03,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:02:03,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:02:03,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:02:03,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:03" (1/1) ... [2021-10-24 11:02:03,325 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:02:03,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:02:03,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:02:03,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:02:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:02:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 11:02:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:02:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:02:05,518 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:02:05,519 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-24 11:02:05,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:02:05 BoogieIcfgContainer [2021-10-24 11:02:05,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:02:05,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:02:05,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:02:05,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:02:05,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:02:02" (1/3) ... [2021-10-24 11:02:05,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c136873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:02:05, skipping insertion in model container [2021-10-24 11:02:05,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:03" (2/3) ... [2021-10-24 11:02:05,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c136873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:02:05, skipping insertion in model container [2021-10-24 11:02:05,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:02:05" (3/3) ... [2021-10-24 11:02:05,530 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2021-10-24 11:02:05,535 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:02:05,536 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 11:02:05,600 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:02:05,609 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 11:02:05,609 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 11:02:05,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 62 states have internal predecessors, (94), 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 11:02:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 11:02:05,639 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:02:05,640 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 11:02:05,641 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 11:02:05,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:02:05,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1847613332, now seen corresponding path program 1 times [2021-10-24 11:02:05,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:02:05,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1313130869] [2021-10-24 11:02:05,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:02:05,665 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:02:05,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:02:05,668 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:02:05,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 11:02:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:02:05,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 11:02:05,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:02:06,008 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 11:02:06,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:02:06,061 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 11:02:06,062 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:02:06,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1313130869] [2021-10-24 11:02:06,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1313130869] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:02:06,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:02:06,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:02:06,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676169755] [2021-10-24 11:02:06,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 11:02:06,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:02:06,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 11:02:06,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:02:06,086 INFO L87 Difference]: Start difference. First operand has 63 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 62 states have internal predecessors, (94), 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 11:02:06,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:02:06,109 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2021-10-24 11:02:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 11:02:06,110 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 11:02:06,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:02:06,119 INFO L225 Difference]: With dead ends: 119 [2021-10-24 11:02:06,120 INFO L226 Difference]: Without dead ends: 59 [2021-10-24 11:02:06,122 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:02:06,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-24 11:02:06,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-10-24 11:02:06,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 58 states have internal predecessors, (82), 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 11:02:06,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2021-10-24 11:02:06,159 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2021-10-24 11:02:06,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:02:06,160 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2021-10-24 11:02:06,160 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 11:02:06,160 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2021-10-24 11:02:06,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 11:02:06,161 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:02:06,161 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 11:02:06,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 11:02:06,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:02:06,379 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 11:02:06,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:02:06,380 INFO L82 PathProgramCache]: Analyzing trace with hash -72020122, now seen corresponding path program 1 times [2021-10-24 11:02:06,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:02:06,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296899506] [2021-10-24 11:02:06,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:02:06,382 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:02:06,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:02:06,383 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:02:06,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 11:02:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:02:06,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:02:06,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:02:06,725 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 11:02:06,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:02:06,790 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 11:02:06,790 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:02:06,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296899506] [2021-10-24 11:02:06,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296899506] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:02:06,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:02:06,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:02:06,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446411691] [2021-10-24 11:02:06,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:02:06,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:02:06,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:02:06,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:02:06,798 INFO L87 Difference]: Start difference. First operand 59 states and 82 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 11:02:06,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:02:06,820 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2021-10-24 11:02:06,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:02:06,821 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 11:02:06,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:02:06,823 INFO L225 Difference]: With dead ends: 59 [2021-10-24 11:02:06,823 INFO L226 Difference]: Without dead ends: 31 [2021-10-24 11:02:06,824 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:02:06,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-24 11:02:06,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-24 11:02:06,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 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 11:02:06,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-24 11:02:06,845 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2021-10-24 11:02:06,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:02:06,845 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-24 11:02:06,846 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 11:02:06,846 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-24 11:02:06,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 11:02:06,847 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:02:06,851 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 11:02:06,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 11:02:07,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:02:07,064 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 11:02:07,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:02:07,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1370675903, now seen corresponding path program 1 times [2021-10-24 11:02:07,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:02:07,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529923777] [2021-10-24 11:02:07,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:02:07,066 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:02:07,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:02:07,067 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:02:07,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 11:02:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:02:07,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:02:07,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:02:07,391 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 11:02:07,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:02:07,498 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 11:02:07,499 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:02:07,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529923777] [2021-10-24 11:02:07,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [529923777] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:02:07,499 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:02:07,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 11:02:07,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600057238] [2021-10-24 11:02:07,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:02:07,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:02:07,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:02:07,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:02:07,501 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 11:02:07,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:02:07,542 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2021-10-24 11:02:07,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:02:07,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 11:02:07,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:02:07,545 INFO L225 Difference]: With dead ends: 103 [2021-10-24 11:02:07,545 INFO L226 Difference]: Without dead ends: 79 [2021-10-24 11:02:07,545 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:02:07,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-10-24 11:02:07,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 51. [2021-10-24 11:02:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.48) internal successors, (74), 50 states have internal predecessors, (74), 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 11:02:07,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2021-10-24 11:02:07,561 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 24 [2021-10-24 11:02:07,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:02:07,561 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2021-10-24 11:02:07,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 11:02:07,562 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2021-10-24 11:02:07,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 11:02:07,564 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:02:07,564 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 11:02:07,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 11:02:07,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:02:07,781 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 11:02:07,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:02:07,782 INFO L82 PathProgramCache]: Analyzing trace with hash 437212194, now seen corresponding path program 1 times [2021-10-24 11:02:07,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:02:07,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889094133] [2021-10-24 11:02:07,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:02:07,783 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:02:07,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:02:07,784 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:02:07,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 11:02:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:02:07,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:02:07,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:02:08,111 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 11:02:08,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:02:08,200 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 11:02:08,200 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:02:08,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889094133] [2021-10-24 11:02:08,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1889094133] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:02:08,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:02:08,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 11:02:08,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290980514] [2021-10-24 11:02:08,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:02:08,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:02:08,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:02:08,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:02:08,202 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:02:08,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:02:08,300 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2021-10-24 11:02:08,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 11:02:08,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 11:02:08,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:02:08,303 INFO L225 Difference]: With dead ends: 219 [2021-10-24 11:02:08,304 INFO L226 Difference]: Without dead ends: 175 [2021-10-24 11:02:08,305 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 49.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:02:08,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-24 11:02:08,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 87. [2021-10-24 11:02:08,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.4651162790697674) internal successors, (126), 86 states have internal predecessors, (126), 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 11:02:08,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2021-10-24 11:02:08,320 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 24 [2021-10-24 11:02:08,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:02:08,321 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2021-10-24 11:02:08,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:02:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2021-10-24 11:02:08,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 11:02:08,326 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:02:08,326 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 11:02:08,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 11:02:08,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:02:08,540 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 11:02:08,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:02:08,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1687550122, now seen corresponding path program 1 times [2021-10-24 11:02:08,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:02:08,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1736601523] [2021-10-24 11:02:08,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:02:08,541 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:02:08,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:02:08,542 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:02:08,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 11:02:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:02:08,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:02:08,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:02:08,868 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 11:02:08,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:02:08,932 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 11:02:08,932 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:02:08,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1736601523] [2021-10-24 11:02:08,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1736601523] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:02:08,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:02:08,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:02:08,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115090465] [2021-10-24 11:02:08,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:02:08,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:02:08,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:02:08,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:02:08,934 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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 11:02:09,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:02:09,024 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2021-10-24 11:02:09,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:02:09,024 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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 11:02:09,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:02:09,025 INFO L225 Difference]: With dead ends: 271 [2021-10-24 11:02:09,025 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 11:02:09,026 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:02:09,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 11:02:09,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 11:02:09,027 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 11:02:09,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 11:02:09,027 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-24 11:02:09,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:02:09,027 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 11:02:09,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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 11:02:09,028 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 11:02:09,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 11:02:09,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:02:09,030 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:02:09,031 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:02:09,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 11:02:09,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:02:09,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 11:02:09,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:02:09,650 INFO L857 garLoopResultBuilder]: For program point L729(lines 729 733) no Hoare annotation was computed. [2021-10-24 11:02:09,650 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 678) no Hoare annotation was computed. [2021-10-24 11:02:09,650 INFO L857 garLoopResultBuilder]: For program point L729-3(lines 729 733) no Hoare annotation was computed. [2021-10-24 11:02:09,650 INFO L857 garLoopResultBuilder]: For program point L729-6(lines 729 733) no Hoare annotation was computed. [2021-10-24 11:02:09,650 INFO L857 garLoopResultBuilder]: For program point L647(lines 647 660) no Hoare annotation was computed. [2021-10-24 11:02:09,651 INFO L853 garLoopResultBuilder]: At program point L548(lines 543 551) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:02:09,651 INFO L853 garLoopResultBuilder]: At program point L548-1(lines 543 551) the Hoare annotation is: false [2021-10-24 11:02:09,651 INFO L853 garLoopResultBuilder]: At program point L548-2(lines 543 551) the Hoare annotation is: false [2021-10-24 11:02:09,651 INFO L860 garLoopResultBuilder]: At program point L895(lines 876 898) the Hoare annotation is: true [2021-10-24 11:02:09,651 INFO L853 garLoopResultBuilder]: At program point L862(lines 858 864) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:02:09,651 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 11:02:09,651 INFO L853 garLoopResultBuilder]: At program point L665(lines 616 666) the Hoare annotation is: false [2021-10-24 11:02:09,652 INFO L853 garLoopResultBuilder]: At program point L814-2(lines 814 828) the Hoare annotation is: false [2021-10-24 11:02:09,652 INFO L857 garLoopResultBuilder]: For program point L815(line 815) no Hoare annotation was computed. [2021-10-24 11:02:09,652 INFO L853 garLoopResultBuilder]: At program point L766(lines 761 769) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:02:09,652 INFO L853 garLoopResultBuilder]: At program point L766-1(lines 761 769) the Hoare annotation is: false [2021-10-24 11:02:09,652 INFO L857 garLoopResultBuilder]: For program point L700(lines 700 717) no Hoare annotation was computed. [2021-10-24 11:02:09,652 INFO L853 garLoopResultBuilder]: At program point L766-2(lines 761 769) the Hoare annotation is: false [2021-10-24 11:02:09,652 INFO L853 garLoopResultBuilder]: At program point L700-1(lines 1 898) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:02:09,653 INFO L857 garLoopResultBuilder]: For program point L700-2(lines 700 717) no Hoare annotation was computed. [2021-10-24 11:02:09,653 INFO L853 garLoopResultBuilder]: At program point L700-3(lines 1 898) the Hoare annotation is: false [2021-10-24 11:02:09,653 INFO L857 garLoopResultBuilder]: For program point L700-4(lines 700 717) no Hoare annotation was computed. [2021-10-24 11:02:09,653 INFO L853 garLoopResultBuilder]: At program point L700-5(lines 1 898) the Hoare annotation is: false [2021-10-24 11:02:09,653 INFO L857 garLoopResultBuilder]: For program point L618(lines 617 664) no Hoare annotation was computed. [2021-10-24 11:02:09,653 INFO L857 garLoopResultBuilder]: For program point L619(lines 619 623) no Hoare annotation was computed. [2021-10-24 11:02:09,653 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 11:02:09,653 INFO L853 garLoopResultBuilder]: At program point L471(lines 470 489) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:02:09,654 INFO L857 garLoopResultBuilder]: For program point L471-1(lines 471 477) no Hoare annotation was computed. [2021-10-24 11:02:09,654 INFO L853 garLoopResultBuilder]: At program point L471-2(lines 470 489) the Hoare annotation is: false [2021-10-24 11:02:09,654 INFO L853 garLoopResultBuilder]: At program point L471-3(lines 470 489) the Hoare annotation is: false [2021-10-24 11:02:09,654 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2021-10-24 11:02:09,654 INFO L857 garLoopResultBuilder]: For program point L818-1(lines 471 477) no Hoare annotation was computed. [2021-10-24 11:02:09,654 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 659) no Hoare annotation was computed. [2021-10-24 11:02:09,654 INFO L853 garLoopResultBuilder]: At program point L653-1(lines 471 477) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:02:09,654 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 898) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:02:09,655 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 643) no Hoare annotation was computed. [2021-10-24 11:02:09,655 INFO L853 garLoopResultBuilder]: At program point L637-1(lines 637 643) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:02:09,655 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 678) no Hoare annotation was computed. [2021-10-24 11:02:09,655 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 757) no Hoare annotation was computed. [2021-10-24 11:02:09,655 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 714) no Hoare annotation was computed. [2021-10-24 11:02:09,655 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 714) no Hoare annotation was computed. [2021-10-24 11:02:09,655 INFO L857 garLoopResultBuilder]: For program point L704-4(lines 704 714) no Hoare annotation was computed. [2021-10-24 11:02:09,656 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 893) no Hoare annotation was computed. [2021-10-24 11:02:09,656 INFO L860 garLoopResultBuilder]: At program point L886-1(lines 886 893) the Hoare annotation is: true [2021-10-24 11:02:09,656 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 711) no Hoare annotation was computed. [2021-10-24 11:02:09,656 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 711) no Hoare annotation was computed. [2021-10-24 11:02:09,656 INFO L857 garLoopResultBuilder]: For program point L705-4(lines 705 711) no Hoare annotation was computed. [2021-10-24 11:02:09,656 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 11:02:09,656 INFO L853 garLoopResultBuilder]: At program point L689(lines 684 691) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:02:09,656 INFO L857 garLoopResultBuilder]: For program point L592(lines 592 598) no Hoare annotation was computed. [2021-10-24 11:02:09,657 INFO L853 garLoopResultBuilder]: At program point L592-1(lines 592 598) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:02:09,657 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 745) no Hoare annotation was computed. [2021-10-24 11:02:09,657 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 11:02:09,657 INFO L853 garLoopResultBuilder]: At program point L478(lines 478 484) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:02:09,657 INFO L853 garLoopResultBuilder]: At program point L478-1(lines 478 484) the Hoare annotation is: false [2021-10-24 11:02:09,657 INFO L853 garLoopResultBuilder]: At program point L478-2(lines 478 484) the Hoare annotation is: false [2021-10-24 11:02:09,657 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 678) no Hoare annotation was computed. [2021-10-24 11:02:09,657 INFO L857 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2021-10-24 11:02:09,658 INFO L853 garLoopResultBuilder]: At program point L627-1(lines 627 633) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:02:09,658 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 11:02:09,658 INFO L857 garLoopResultBuilder]: For program point L678(line 678) no Hoare annotation was computed. [2021-10-24 11:02:09,658 INFO L857 garLoopResultBuilder]: For program point L678-1(line 678) no Hoare annotation was computed. [2021-10-24 11:02:09,658 INFO L857 garLoopResultBuilder]: For program point L678-2(line 678) no Hoare annotation was computed. [2021-10-24 11:02:09,662 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:02:09,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:02:09 BoogieIcfgContainer [2021-10-24 11:02:09,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:02:09,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:02:09,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:02:09,678 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:02:09,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:02:05" (3/4) ... [2021-10-24 11:02:09,681 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 11:02:09,695 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 11:02:09,695 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 11:02:09,696 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 11:02:09,696 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 11:02:09,697 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 11:02:09,697 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:02:09,698 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:02:09,723 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-24 11:02:09,745 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:02:09,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:02:09,747 INFO L168 Benchmark]: Toolchain (without parser) took 7306.58 ms. Allocated memory was 79.7 MB in the beginning and 113.2 MB in the end (delta: 33.6 MB). Free memory was 43.8 MB in the beginning and 71.1 MB in the end (delta: -27.4 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-24 11:02:09,747 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 60.8 MB in the beginning and 60.7 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:02:09,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.62 ms. Allocated memory is still 79.7 MB. Free memory was 43.5 MB in the beginning and 49.2 MB in the end (delta: -5.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-10-24 11:02:09,748 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.17 ms. Allocated memory is still 79.7 MB. Free memory was 49.2 MB in the beginning and 46.5 MB in the end (delta: 2.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:02:09,748 INFO L168 Benchmark]: Boogie Preprocessor took 70.22 ms. Allocated memory is still 79.7 MB. Free memory was 46.5 MB in the beginning and 44.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:02:09,748 INFO L168 Benchmark]: RCFGBuilder took 2204.80 ms. Allocated memory was 79.7 MB in the beginning and 113.2 MB in the end (delta: 33.6 MB). Free memory was 44.5 MB in the beginning and 85.3 MB in the end (delta: -40.8 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:02:09,749 INFO L168 Benchmark]: TraceAbstraction took 4154.11 ms. Allocated memory is still 113.2 MB. Free memory was 85.3 MB in the beginning and 76.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 53.8 MB. Max. memory is 16.1 GB. [2021-10-24 11:02:09,749 INFO L168 Benchmark]: Witness Printer took 67.58 ms. Allocated memory is still 113.2 MB. Free memory was 76.4 MB in the beginning and 71.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:02:09,751 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 60.8 MB in the beginning and 60.7 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 711.62 ms. Allocated memory is still 79.7 MB. Free memory was 43.5 MB in the beginning and 49.2 MB in the end (delta: -5.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.17 ms. Allocated memory is still 79.7 MB. Free memory was 49.2 MB in the beginning and 46.5 MB in the end (delta: 2.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.22 ms. Allocated memory is still 79.7 MB. Free memory was 46.5 MB in the beginning and 44.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2204.80 ms. Allocated memory was 79.7 MB in the beginning and 113.2 MB in the end (delta: 33.6 MB). Free memory was 44.5 MB in the beginning and 85.3 MB in the end (delta: -40.8 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4154.11 ms. Allocated memory is still 113.2 MB. Free memory was 85.3 MB in the beginning and 76.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 53.8 MB. Max. memory is 16.1 GB. * Witness Printer took 67.58 ms. Allocated memory is still 113.2 MB. Free memory was 76.4 MB in the beginning and 71.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 678]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 678]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 678]: 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, 63 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4063.7ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 23.9ms, AutomataDifference: 321.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 399.6ms, InitialAbstractionConstructionTime: 14.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 287 SDtfs, 355 SDslu, 331 SDs, 0 SdLazy, 45 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 82.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 101.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 73.5ms AutomataMinimizationTime, 5 MinimizatonAttempts, 116 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 113 NumberOfFragments, 120 HoareAnnotationTreeSize, 27 FomulaSimplifications, 3757 FormulaSimplificationTreeSizeReduction, 302.6ms HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 88.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 118.3ms SsaConstructionTime, 603.3ms SatisfiabilityAnalysisTime, 931.1ms InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 398 SizeOfPredicates, 7 NumberOfNonLiveVariables, 986 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: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 11:02:09,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd7e9d-148d-4ce0-af92-ebe220bba908/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...