./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-max-array.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_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/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_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/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_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/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 a87860dbf851812846995aa918799e2b576306268e8c461660702f868d3b2804 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:39:06,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:39:06,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:39:06,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:39:06,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:39:06,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:39:06,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:39:06,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:39:06,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:39:06,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:39:06,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:39:06,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:39:06,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:39:06,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:39:06,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:39:06,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:39:06,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:39:06,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:39:06,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:39:06,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:39:06,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:39:06,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:39:06,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:39:06,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:39:06,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:39:06,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:39:06,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:39:06,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:39:06,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:39:06,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:39:06,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:39:06,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:39:06,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:39:06,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:39:06,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:39:06,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:39:06,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:39:06,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:39:06,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:39:06,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:39:06,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:39:06,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:39:06,903 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:39:06,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:39:06,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:39:06,905 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:39:06,905 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:39:06,905 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:39:06,906 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:39:06,906 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:39:06,906 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:39:06,907 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:39:06,907 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:39:06,908 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:39:06,908 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:39:06,908 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:39:06,909 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:39:06,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:39:06,910 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:39:06,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:39:06,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:39:06,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:39:06,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:39:06,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:39:06,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:39:06,913 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:39:06,913 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:39:06,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:39:06,914 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:39:06,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:39:06,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:39:06,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:39:06,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:39:06,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:39:06,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:39:06,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:39:06,917 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:39:06,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:39:06,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:39:06,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:39:06,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:39:06,919 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_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a87860dbf851812846995aa918799e2b576306268e8c461660702f868d3b2804 [2021-11-03 04:39:07,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:39:07,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:39:07,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:39:07,256 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:39:07,257 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:39:07,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c [2021-11-03 04:39:07,320 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/data/dc2fa350a/830e29b08c1b41ea88de0e074f9567e1/FLAG00d70af57 [2021-11-03 04:39:07,838 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:39:07,839 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c [2021-11-03 04:39:07,849 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/data/dc2fa350a/830e29b08c1b41ea88de0e074f9567e1/FLAG00d70af57 [2021-11-03 04:39:08,204 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/data/dc2fa350a/830e29b08c1b41ea88de0e074f9567e1 [2021-11-03 04:39:08,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:39:08,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:39:08,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:39:08,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:39:08,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:39:08,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:39:08" (1/1) ... [2021-11-03 04:39:08,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20822377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:08, skipping insertion in model container [2021-11-03 04:39:08,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:39:08" (1/1) ... [2021-11-03 04:39:08,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:39:08,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:39:08,445 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_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c[2553,2566] [2021-11-03 04:39:08,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:39:08,460 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 04:39:08,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2aff059f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:08, skipping insertion in model container [2021-11-03 04:39:08,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:39:08,461 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 04:39:08,464 INFO L168 Benchmark]: Toolchain (without parser) took 254.60 ms. Allocated memory is still 117.4 MB. Free memory was 79.1 MB in the beginning and 93.0 MB in the end (delta: -14.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:39:08,465 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 117.4 MB. Free memory was 96.0 MB in the beginning and 96.0 MB in the end (delta: 58.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:39:08,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.72 ms. Allocated memory is still 117.4 MB. Free memory was 78.9 MB in the beginning and 93.0 MB in the end (delta: -14.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:39:08,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 117.4 MB. Free memory was 96.0 MB in the beginning and 96.0 MB in the end (delta: 58.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 235.72 ms. Allocated memory is still 117.4 MB. Free memory was 78.9 MB in the beginning and 93.0 MB in the end (delta: -14.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 109]: 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_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/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_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/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_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/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 a87860dbf851812846995aa918799e2b576306268e8c461660702f868d3b2804 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:39:10,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:39:10,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:39:10,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:39:10,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:39:10,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:39:10,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:39:10,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:39:10,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:39:10,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:39:10,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:39:10,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:39:10,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:39:10,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:39:10,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:39:10,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:39:10,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:39:10,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:39:10,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:39:10,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:39:10,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:39:10,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:39:10,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:39:10,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:39:10,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:39:10,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:39:10,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:39:10,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:39:10,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:39:10,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:39:10,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:39:10,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:39:10,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:39:10,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:39:10,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:39:10,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:39:10,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:39:10,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:39:10,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:39:10,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:39:10,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:39:10,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 04:39:10,847 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:39:10,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:39:10,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:39:10,848 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:39:10,848 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:39:10,848 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:39:10,849 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:39:10,849 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:39:10,849 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:39:10,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:39:10,850 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:39:10,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:39:10,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:39:10,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:39:10,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:39:10,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:39:10,851 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:39:10,851 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:39:10,851 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:39:10,852 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:39:10,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:39:10,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:39:10,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:39:10,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:39:10,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:39:10,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:39:10,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:39:10,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:39:10,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:39:10,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:39:10,854 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:39:10,854 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:39:10,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:39:10,854 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:39:10,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:39:10,855 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_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a87860dbf851812846995aa918799e2b576306268e8c461660702f868d3b2804 [2021-11-03 04:39:11,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:39:11,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:39:11,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:39:11,246 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:39:11,247 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:39:11,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c [2021-11-03 04:39:11,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/data/46573fa62/d08895b0692942a4bc8aaaa0ce6e126c/FLAGaca385bec [2021-11-03 04:39:11,919 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:39:11,920 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c [2021-11-03 04:39:11,934 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/data/46573fa62/d08895b0692942a4bc8aaaa0ce6e126c/FLAGaca385bec [2021-11-03 04:39:12,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/data/46573fa62/d08895b0692942a4bc8aaaa0ce6e126c [2021-11-03 04:39:12,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:39:12,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:39:12,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:39:12,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:39:12,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:39:12,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:39:12" (1/1) ... [2021-11-03 04:39:12,268 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 04:39:12, skipping insertion in model container [2021-11-03 04:39:12,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:39:12" (1/1) ... [2021-11-03 04:39:12,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:39:12,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:39:12,556 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_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c[2553,2566] [2021-11-03 04:39:12,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:39:12,581 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:39:12,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:39:12,607 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_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c[2553,2566] [2021-11-03 04:39:12,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:39:12,626 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:39:12,683 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_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c[2553,2566] [2021-11-03 04:39:12,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:39:12,723 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:39:12,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:12 WrapperNode [2021-11-03 04:39:12,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:39:12,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:39:12,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:39:12,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:39:12,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:12" (1/1) ... [2021-11-03 04:39:12,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:12" (1/1) ... [2021-11-03 04:39:12,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:39:12,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:39:12,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:39:12,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:39:12,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:12" (1/1) ... [2021-11-03 04:39:12,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:12" (1/1) ... [2021-11-03 04:39:12,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:12" (1/1) ... [2021-11-03 04:39:12,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:12" (1/1) ... [2021-11-03 04:39:12,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:12" (1/1) ... [2021-11-03 04:39:12,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:12" (1/1) ... [2021-11-03 04:39:12,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:12" (1/1) ... [2021-11-03 04:39:12,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:39:12,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:39:12,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:39:12,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:39:12,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:12" (1/1) ... [2021-11-03 04:39:12,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:39:12,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:39:12,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:39:12,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:39:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-03 04:39:13,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-03 04:39:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-03 04:39:13,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-03 04:39:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-03 04:39:13,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-03 04:39:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:39:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:39:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-03 04:39:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-03 04:39:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:39:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 04:39:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:39:13,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:39:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:39:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 04:39:13,030 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 04:39:13,844 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:39:13,844 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-11-03 04:39:13,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:39:13 BoogieIcfgContainer [2021-11-03 04:39:13,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:39:13,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:39:13,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:39:13,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:39:13,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:39:12" (1/3) ... [2021-11-03 04:39:13,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd8f2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:39:13, skipping insertion in model container [2021-11-03 04:39:13,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:12" (2/3) ... [2021-11-03 04:39:13,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd8f2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:39:13, skipping insertion in model container [2021-11-03 04:39:13,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:39:13" (3/3) ... [2021-11-03 04:39:13,854 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-max-array.wvr.c [2021-11-03 04:39:13,859 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-03 04:39:13,859 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:39:13,859 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 04:39:13,859 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-03 04:39:13,903 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,903 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,903 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,904 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,904 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,904 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,905 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,905 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,905 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,905 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,905 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,906 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,906 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,906 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,906 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,906 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,907 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,907 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,908 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,909 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,909 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,909 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,909 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,910 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,910 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,910 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,911 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,911 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,911 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,912 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,912 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,912 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,913 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,913 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,914 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,915 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,916 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,916 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,917 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,918 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,919 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,919 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,920 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,920 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,920 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,921 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,921 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,921 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,921 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,922 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,922 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,922 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,923 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,923 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,923 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,923 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,923 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,924 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,924 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,924 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,925 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,926 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,928 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,929 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,929 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,929 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,929 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,930 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,939 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,939 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,940 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,944 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,944 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,944 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,948 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,948 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,949 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,949 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,949 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,949 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,958 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,959 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 04:39:13,970 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-03 04:39:14,005 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:39:14,012 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 04:39:14,012 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-03 04:39:14,028 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-03 04:39:14,038 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 136 transitions, 296 flow [2021-11-03 04:39:14,041 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 136 transitions, 296 flow [2021-11-03 04:39:14,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 136 transitions, 296 flow [2021-11-03 04:39:14,123 INFO L129 PetriNetUnfolder]: 12/133 cut-off events. [2021-11-03 04:39:14,123 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-03 04:39:14,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 133 events. 12/133 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 88 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2021-11-03 04:39:14,132 INFO L116 LiptonReduction]: Number of co-enabled transitions 1320 [2021-11-03 04:39:28,676 INFO L131 LiptonReduction]: Checked pairs total: 1504 [2021-11-03 04:39:28,676 INFO L133 LiptonReduction]: Total number of compositions: 127 [2021-11-03 04:39:28,683 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 28 transitions, 80 flow [2021-11-03 04:39:28,700 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 107 states, 106 states have (on average 3.0849056603773586) internal successors, (327), 106 states have internal predecessors, (327), 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 04:39:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 106 states have (on average 3.0849056603773586) internal successors, (327), 106 states have internal predecessors, (327), 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 04:39:28,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-03 04:39:28,710 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:39:28,711 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:39:28,711 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-03 04:39:28,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:39:28,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1569669511, now seen corresponding path program 1 times [2021-11-03 04:39:28,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:39:28,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165922168] [2021-11-03 04:39:28,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:39:28,728 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:39:28,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:39:28,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:39:28,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:39:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:39:28,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 04:39:28,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:39:29,166 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 04:39:29,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:39:29,273 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 04:39:29,275 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:39:29,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165922168] [2021-11-03 04:39:29,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [165922168] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:39:29,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:39:29,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-03 04:39:29,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233847493] [2021-11-03 04:39:29,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:39:29,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:39:29,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:39:29,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:39:29,308 INFO L87 Difference]: Start difference. First operand has 107 states, 106 states have (on average 3.0849056603773586) internal successors, (327), 106 states have internal predecessors, (327), 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 4 states, 4 states have (on average 5.5) internal successors, (22), 3 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) [2021-11-03 04:39:29,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:39:29,320 INFO L93 Difference]: Finished difference Result 2 states and 2 transitions. [2021-11-03 04:39:29,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:39:29,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 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 20 [2021-11-03 04:39:29,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:39:29,328 INFO L225 Difference]: With dead ends: 2 [2021-11-03 04:39:29,329 INFO L226 Difference]: Without dead ends: 0 [2021-11-03 04:39:29,329 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:39:29,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-03 04:39:29,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-03 04:39:29,344 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 04:39:29,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-03 04:39:29,345 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-11-03 04:39:29,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:39:29,345 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-03 04:39:29,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 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) [2021-11-03 04:39:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-03 04:39:29,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-03 04:39:29,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:39:29,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-03 04:39:29,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-11-03 04:39:29,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-11-03 04:39:29,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:39:29,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:39:29,552 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-03 04:39:29,553 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-03 04:39:29,553 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 04:39:29,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:39:29 BasicIcfg [2021-11-03 04:39:29,555 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 04:39:29,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 04:39:29,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 04:39:29,556 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 04:39:29,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:39:13" (3/4) ... [2021-11-03 04:39:29,558 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-03 04:39:29,562 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-11-03 04:39:29,562 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-11-03 04:39:29,562 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-11-03 04:39:29,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-11-03 04:39:29,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-03 04:39:29,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 04:39:29,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 04:39:29,619 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 04:39:29,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 04:39:29,626 INFO L168 Benchmark]: Toolchain (without parser) took 17363.88 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 42.1 MB in the beginning and 29.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:39:29,627 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 62.9 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:39:29,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.35 ms. Allocated memory is still 62.9 MB. Free memory was 42.0 MB in the beginning and 29.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-03 04:39:29,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.45 ms. Allocated memory is still 62.9 MB. Free memory was 28.9 MB in the beginning and 44.9 MB in the end (delta: -16.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-11-03 04:39:29,629 INFO L168 Benchmark]: Boogie Preprocessor took 77.25 ms. Allocated memory is still 62.9 MB. Free memory was 44.9 MB in the beginning and 43.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:39:29,630 INFO L168 Benchmark]: RCFGBuilder took 945.09 ms. Allocated memory is still 62.9 MB. Free memory was 43.2 MB in the beginning and 41.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:39:29,630 INFO L168 Benchmark]: TraceAbstraction took 15707.24 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 41.0 MB in the beginning and 33.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-11-03 04:39:29,631 INFO L168 Benchmark]: Witness Printer took 63.99 ms. Allocated memory is still 77.6 MB. Free memory was 33.0 MB in the beginning and 29.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 04:39:29,634 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 62.9 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 464.35 ms. Allocated memory is still 62.9 MB. Free memory was 42.0 MB in the beginning and 29.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.45 ms. Allocated memory is still 62.9 MB. Free memory was 28.9 MB in the beginning and 44.9 MB in the end (delta: -16.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.25 ms. Allocated memory is still 62.9 MB. Free memory was 44.9 MB in the beginning and 43.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 945.09 ms. Allocated memory is still 62.9 MB. Free memory was 43.2 MB in the beginning and 41.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15707.24 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 41.0 MB in the beginning and 33.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. * Witness Printer took 63.99 ms. Allocated memory is still 77.6 MB. Free memory was 33.0 MB in the beginning and 29.7 MB in the end (delta: 3.3 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: 14.6s, 134 PlacesBefore, 34 PlacesAfterwards, 136 TransitionsBefore, 28 TransitionsAfterwards, 1320 CoEnabledTransitionPairs, 6 FixpointIterations, 73 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 13 TrivialYvCompositions, 6 ConcurrentYvCompositions, 8 ChoiceCompositions, 127 TotalNumberOfCompositions, 1504 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1392, positive: 1362, positive conditional: 0, positive unconditional: 1362, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 880, positive: 870, positive conditional: 0, positive unconditional: 870, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 880, positive: 870, positive conditional: 0, positive unconditional: 870, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 427, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 427, negative conditional: 0, negative unconditional: 427, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1392, positive: 492, positive conditional: 0, positive unconditional: 492, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 880, unknown conditional: 0, unknown unconditional: 880] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - 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: 100]: 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 7 procedures, 155 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 15.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.6s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 9 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 9 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 04:39:29,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff5c39a-3f57-4dc1-8321-0f41afb2d30f/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