./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH --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 2bf204635285748ea2bd88f763410b9afff54eeccde3aa0a970ff723633af9c2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:39:59,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:39:59,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:39:59,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:39:59,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:39:59,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:39:59,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:39:59,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:39:59,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:39:59,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:39:59,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:39:59,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:39:59,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:39:59,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:39:59,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:39:59,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:39:59,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:39:59,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:39:59,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:39:59,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:39:59,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:39:59,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:40:00,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:40:00,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:40:00,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:40:00,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:40:00,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:40:00,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:40:00,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:40:00,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:40:00,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:40:00,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:40:00,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:40:00,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:40:00,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:40:00,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:40:00,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:40:00,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:40:00,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:40:00,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:40:00,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:40:00,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 03:40:00,062 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:40:00,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:40:00,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:40:00,066 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:40:00,066 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:40:00,066 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:40:00,067 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:40:00,067 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:40:00,067 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:40:00,067 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:40:00,068 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:40:00,069 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:40:00,069 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:40:00,069 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:40:00,070 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:40:00,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:40:00,071 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:40:00,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:40:00,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:40:00,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:40:00,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:40:00,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:40:00,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:40:00,073 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:40:00,073 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:40:00,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:40:00,073 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:40:00,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:40:00,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:40:00,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:40:00,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:40:00,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:40:00,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:40:00,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:40:00,077 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:40:00,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:40:00,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:40:00,078 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:40:00,078 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:40:00,078 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_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf204635285748ea2bd88f763410b9afff54eeccde3aa0a970ff723633af9c2 [2021-11-03 03:40:00,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:40:00,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:40:00,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:40:00,350 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:40:00,351 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:40:00,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2021-11-03 03:40:00,432 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/data/30b488cb1/460535a0e0ca414b88ab4d0253f28f75/FLAG3fe92b175 [2021-11-03 03:40:00,893 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:40:00,894 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2021-11-03 03:40:00,901 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/data/30b488cb1/460535a0e0ca414b88ab4d0253f28f75/FLAG3fe92b175 [2021-11-03 03:40:01,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/data/30b488cb1/460535a0e0ca414b88ab4d0253f28f75 [2021-11-03 03:40:01,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:40:01,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:40:01,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:01,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:40:01,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:40:01,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:01" (1/1) ... [2021-11-03 03:40:01,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b920a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:01, skipping insertion in model container [2021-11-03 03:40:01,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:01" (1/1) ... [2021-11-03 03:40:01,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:40:01,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:40:01,503 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_18028cf5-db8b-4e6b-b632-49b154ff55be/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2618,2631] [2021-11-03 03:40:01,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:01,520 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-03 03:40:01,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70a9e4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:01, skipping insertion in model container [2021-11-03 03:40:01,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:01,522 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 03:40:01,524 INFO L168 Benchmark]: Toolchain (without parser) took 260.89 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 62.3 MB in the beginning and 92.7 MB in the end (delta: -30.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:01,525 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory is still 51.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:40:01,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.56 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 62.1 MB in the beginning and 92.7 MB in the end (delta: -30.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:01,528 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 96.5 MB. Free memory is still 51.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 255.56 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 62.1 MB in the beginning and 92.7 MB in the end (delta: -30.6 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: 79]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH --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 2bf204635285748ea2bd88f763410b9afff54eeccde3aa0a970ff723633af9c2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:40:03,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:40:03,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:40:03,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:40:03,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:40:03,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:40:03,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:40:03,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:40:03,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:40:03,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:40:03,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:40:03,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:40:03,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:40:03,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:40:03,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:40:03,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:40:03,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:40:03,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:40:03,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:40:03,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:40:03,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:40:03,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:40:03,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:40:03,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:40:03,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:40:03,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:40:03,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:40:03,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:40:03,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:40:03,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:40:03,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:40:03,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:40:03,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:40:03,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:40:03,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:40:03,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:40:03,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:40:03,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:40:03,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:40:03,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:40:03,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:40:03,920 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 03:40:03,964 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:40:03,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:40:03,966 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:40:03,966 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:40:03,966 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:40:03,967 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:40:03,967 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:40:03,967 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:40:03,967 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:40:03,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:40:03,970 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:40:03,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:40:03,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:40:03,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:40:03,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:40:03,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:40:03,971 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:40:03,972 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:40:03,972 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:40:03,972 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:40:03,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:40:03,973 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:40:03,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:40:03,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:40:03,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:40:03,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:40:03,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:40:03,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:40:03,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:40:03,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:40:03,975 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:40:03,975 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:40:03,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:40:03,975 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:40:03,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:40:03,976 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_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf204635285748ea2bd88f763410b9afff54eeccde3aa0a970ff723633af9c2 [2021-11-03 03:40:04,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:40:04,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:40:04,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:40:04,390 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:40:04,391 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:40:04,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2021-11-03 03:40:04,468 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/data/2f2737d11/e7a1b27491df4c6f9d81a67682570cd7/FLAG9cf74b7c7 [2021-11-03 03:40:05,014 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:40:05,015 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2021-11-03 03:40:05,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/data/2f2737d11/e7a1b27491df4c6f9d81a67682570cd7/FLAG9cf74b7c7 [2021-11-03 03:40:05,388 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/data/2f2737d11/e7a1b27491df4c6f9d81a67682570cd7 [2021-11-03 03:40:05,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:40:05,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:40:05,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:05,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:40:05,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:40:05,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e4986a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05, skipping insertion in model container [2021-11-03 03:40:05,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:40:05,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:40:05,668 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_18028cf5-db8b-4e6b-b632-49b154ff55be/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2618,2631] [2021-11-03 03:40:05,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:05,686 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:40:05,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:40:05,727 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_18028cf5-db8b-4e6b-b632-49b154ff55be/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2618,2631] [2021-11-03 03:40:05,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:05,772 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:40:05,817 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_18028cf5-db8b-4e6b-b632-49b154ff55be/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2618,2631] [2021-11-03 03:40:05,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:05,857 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:40:05,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05 WrapperNode [2021-11-03 03:40:05,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:05,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:40:05,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:40:05,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:40:05,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:40:05,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:40:05,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:40:05,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:40:05,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:40:05,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:40:05,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:40:05,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:40:05,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (1/1) ... [2021-11-03 03:40:05,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:40:06,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:40:06,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:40:06,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:40:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:40:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 03:40:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:40:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 03:40:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 03:40:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-03 03:40:06,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-03 03:40:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-03 03:40:06,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-03 03:40:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:40:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:40:06,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:40:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:40:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 03:40:06,075 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-03 03:40:06,850 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:40:06,853 INFO L299 CfgBuilder]: Removed 41 assume(true) statements. [2021-11-03 03:40:06,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:40:06 BoogieIcfgContainer [2021-11-03 03:40:06,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:40:06,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:40:06,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:40:06,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:40:06,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:40:05" (1/3) ... [2021-11-03 03:40:06,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3beb6161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:40:06, skipping insertion in model container [2021-11-03 03:40:06,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:05" (2/3) ... [2021-11-03 03:40:06,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3beb6161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:40:06, skipping insertion in model container [2021-11-03 03:40:06,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:40:06" (3/3) ... [2021-11-03 03:40:06,869 INFO L111 eAbstractionObserver]: Analyzing ICFG loop-tiling-eq.wvr.c [2021-11-03 03:40:06,875 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-03 03:40:06,875 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:40:06,876 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 03:40:06,876 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-03 03:40:06,927 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,927 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,927 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,927 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,928 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,928 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,928 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,928 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,928 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,929 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,929 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,929 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,929 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,929 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,930 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,930 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,930 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,930 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,931 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,931 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,931 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,931 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,932 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,932 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,932 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,932 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,932 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,933 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,933 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,933 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,933 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,934 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,934 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,934 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,934 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,935 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,935 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,935 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,935 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,935 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,935 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,936 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,936 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,936 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,936 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,937 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,937 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,937 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,937 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,937 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,937 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,938 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,938 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,938 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,938 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,938 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,939 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,939 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,939 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,939 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,939 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,939 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,940 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,940 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,940 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,940 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,940 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,941 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,941 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,941 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,941 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,941 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,941 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,942 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,942 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,942 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,942 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,942 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,942 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,942 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,943 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,943 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,943 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,943 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,943 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,944 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,948 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,948 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,948 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,952 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,953 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,953 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,957 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,957 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,958 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,963 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,963 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,964 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,965 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,965 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,965 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,965 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,966 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,966 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:40:06,978 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-03 03:40:07,016 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:40:07,021 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 03:40:07,021 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-03 03:40:07,040 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-03 03:40:07,049 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 219 places, 238 transitions, 492 flow [2021-11-03 03:40:07,052 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 219 places, 238 transitions, 492 flow [2021-11-03 03:40:07,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 219 places, 238 transitions, 492 flow [2021-11-03 03:40:07,143 INFO L129 PetriNetUnfolder]: 26/236 cut-off events. [2021-11-03 03:40:07,144 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-03 03:40:07,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 245 conditions, 236 events. 26/236 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 266 event pairs, 0 based on Foata normal form. 0/209 useless extension candidates. Maximal degree in co-relation 177. Up to 2 conditions per place. [2021-11-03 03:40:07,152 INFO L116 LiptonReduction]: Number of co-enabled transitions 972 [2021-11-03 03:41:36,201 WARN L207 SmtUtils]: Spent 6.47 s on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-11-03 03:41:53,850 WARN L207 SmtUtils]: Spent 13.82 s on a formula simplification. DAG size of input: 147 DAG size of output: 146 [2021-11-03 03:41:59,984 WARN L207 SmtUtils]: Spent 6.13 s on a formula simplification that was a NOOP. DAG size: 137 [2021-11-03 03:42:14,515 WARN L207 SmtUtils]: Spent 14.53 s on a formula simplification. DAG size of input: 158 DAG size of output: 157 [2021-11-03 03:42:20,962 WARN L207 SmtUtils]: Spent 6.44 s on a formula simplification that was a NOOP. DAG size: 147 [2021-11-03 03:42:22,815 INFO L131 LiptonReduction]: Checked pairs total: 1590 [2021-11-03 03:42:22,815 INFO L133 LiptonReduction]: Total number of compositions: 266 [2021-11-03 03:42:22,826 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 31 transitions, 78 flow [2021-11-03 03:42:22,845 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 76 states, 75 states have (on average 2.4266666666666667) internal successors, (182), 75 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:42:22,848 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 75 states have (on average 2.4266666666666667) internal successors, (182), 75 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:42:22,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-03 03:42:22,857 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:42:22,858 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:42:22,858 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-03 03:42:22,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:42:22,865 INFO L85 PathProgramCache]: Analyzing trace with hash -426178360, now seen corresponding path program 1 times [2021-11-03 03:42:22,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:42:22,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649758231] [2021-11-03 03:42:22,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:42:22,882 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:42:22,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:42:22,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:42:22,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:42:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:42:23,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:42:23,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:42:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:42:23,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:42:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:42:23,681 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:42:23,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649758231] [2021-11-03 03:42:23,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1649758231] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:42:23,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:42:23,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-11-03 03:42:23,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013885374] [2021-11-03 03:42:23,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 03:42:23,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:42:23,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 03:42:23,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:42:23,711 INFO L87 Difference]: Start difference. First operand has 76 states, 75 states have (on average 2.4266666666666667) internal successors, (182), 75 states have internal predecessors, (182), 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 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:42:23,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:42:23,868 INFO L93 Difference]: Finished difference Result 75 states and 181 transitions. [2021-11-03 03:42:23,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:42:23,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-03 03:42:23,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:42:23,877 INFO L225 Difference]: With dead ends: 75 [2021-11-03 03:42:23,878 INFO L226 Difference]: Without dead ends: 0 [2021-11-03 03:42:23,879 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:42:23,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-03 03:42:23,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-03 03:42:23,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:42:23,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-03 03:42:23,907 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-11-03 03:42:23,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:42:23,908 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-03 03:42:23,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:42:23,908 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-03 03:42:23,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-03 03:42:23,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:42:23,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-03 03:42:23,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-11-03 03:42:23,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:42:24,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:42:24,132 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-03 03:42:24,134 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-03 03:42:24,134 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 03:42:24,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:42:24 BasicIcfg [2021-11-03 03:42:24,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 03:42:24,142 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 03:42:24,143 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 03:42:24,143 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 03:42:24,144 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:40:06" (3/4) ... [2021-11-03 03:42:24,147 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-03 03:42:24,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-11-03 03:42:24,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-11-03 03:42:24,167 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-03 03:42:24,168 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-03 03:42:24,169 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 03:42:24,170 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 03:42:24,269 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 03:42:24,269 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 03:42:24,270 INFO L168 Benchmark]: Toolchain (without parser) took 138872.44 ms. Allocated memory was 69.2 MB in the beginning and 94.4 MB in the end (delta: 25.2 MB). Free memory was 50.0 MB in the beginning and 43.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2021-11-03 03:42:24,275 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 69.2 MB. Free memory was 49.8 MB in the beginning and 49.8 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:42:24,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.82 ms. Allocated memory is still 69.2 MB. Free memory was 49.9 MB in the beginning and 49.7 MB in the end (delta: 174.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-03 03:42:24,277 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.61 ms. Allocated memory is still 69.2 MB. Free memory was 49.7 MB in the beginning and 47.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:42:24,277 INFO L168 Benchmark]: Boogie Preprocessor took 38.99 ms. Allocated memory is still 69.2 MB. Free memory was 47.5 MB in the beginning and 45.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:42:24,278 INFO L168 Benchmark]: RCFGBuilder took 892.83 ms. Allocated memory was 69.2 MB in the beginning and 94.4 MB in the end (delta: 25.2 MB). Free memory was 45.4 MB in the beginning and 69.6 MB in the end (delta: -24.2 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. [2021-11-03 03:42:24,278 INFO L168 Benchmark]: TraceAbstraction took 137280.21 ms. Allocated memory is still 94.4 MB. Free memory was 69.0 MB in the beginning and 47.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2021-11-03 03:42:24,280 INFO L168 Benchmark]: Witness Printer took 127.89 ms. Allocated memory is still 94.4 MB. Free memory was 47.5 MB in the beginning and 43.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 03:42:24,283 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 69.2 MB. Free memory was 49.8 MB in the beginning and 49.8 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 459.82 ms. Allocated memory is still 69.2 MB. Free memory was 49.9 MB in the beginning and 49.7 MB in the end (delta: 174.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.61 ms. Allocated memory is still 69.2 MB. Free memory was 49.7 MB in the beginning and 47.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.99 ms. Allocated memory is still 69.2 MB. Free memory was 47.5 MB in the beginning and 45.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 892.83 ms. Allocated memory was 69.2 MB in the beginning and 94.4 MB in the end (delta: 25.2 MB). Free memory was 45.4 MB in the beginning and 69.6 MB in the end (delta: -24.2 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 137280.21 ms. Allocated memory is still 94.4 MB. Free memory was 69.0 MB in the beginning and 47.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * Witness Printer took 127.89 ms. Allocated memory is still 94.4 MB. Free memory was 47.5 MB in the beginning and 43.3 MB in the end (delta: 4.2 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: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 135.7s, 219 PlacesBefore, 31 PlacesAfterwards, 238 TransitionsBefore, 31 TransitionsAfterwards, 972 CoEnabledTransitionPairs, 8 FixpointIterations, 168 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 50 TrivialYvCompositions, 6 ConcurrentYvCompositions, 19 ChoiceCompositions, 266 TotalNumberOfCompositions, 1590 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1062, positive: 979, positive conditional: 0, positive unconditional: 979, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 669, positive: 647, positive conditional: 0, positive unconditional: 647, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 669, positive: 647, positive conditional: 0, positive unconditional: 647, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49330, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1165, negative conditional: 0, negative unconditional: 1165, unknown: 48166, unknown conditional: 0, unknown unconditional: 48166] ], Cache Queries: [ total: 1062, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 669, unknown conditional: 0, unknown unconditional: 669] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 94]: 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 with 1 thread instances CFG has 5 procedures, 244 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 137.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 135.8s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 22 SDtfs, 25 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 138 SizeOfPredicates, 3 NumberOfNonLiveVariables, 111 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-03 03:42:24,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18028cf5-db8b-4e6b-b632-49b154ff55be/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE