./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 345f2c82068eea48aca6314e15d35413af585b08222f0693277bcfbc8625f6ae --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:55:00,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:55:00,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:55:00,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:55:00,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:55:00,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:55:00,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:55:00,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:55:00,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:55:00,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:55:00,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:55:00,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:55:00,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:55:00,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:55:00,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:55:00,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:55:00,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:55:00,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:55:00,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:55:00,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:55:00,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:55:00,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:55:00,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:55:00,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:55:00,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:55:00,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:55:00,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:55:00,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:55:00,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:55:00,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:55:00,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:55:00,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:55:00,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:55:00,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:55:00,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:55:00,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:55:00,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:55:00,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:55:00,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:55:00,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:55:00,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:55:00,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-07 01:55:00,275 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:55:00,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:55:00,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:55:00,285 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:55:00,285 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:55:00,286 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:55:00,286 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:55:00,286 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:55:00,287 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:55:00,287 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:55:00,288 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:55:00,289 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:55:00,289 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:55:00,289 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:55:00,290 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:55:00,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:55:00,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:55:00,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:55:00,292 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:55:00,292 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:55:00,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:55:00,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:55:00,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:55:00,293 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:55:00,293 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:55:00,294 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:55:00,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:55:00,296 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:55:00,297 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:55:00,297 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:55:00,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:55:00,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:55:00,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:55:00,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:55:00,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:55:00,299 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:55:00,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:55:00,300 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:55:00,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:55:00,300 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_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 345f2c82068eea48aca6314e15d35413af585b08222f0693277bcfbc8625f6ae [2021-11-07 01:55:00,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:55:00,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:55:00,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:55:00,650 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:55:00,651 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:55:00,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2021-11-07 01:55:00,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/data/99adab557/e773da717bc147a48ac0e7e87bd2d7c0/FLAGfc6738b4a [2021-11-07 01:55:01,550 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:55:01,551 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2021-11-07 01:55:01,594 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/data/99adab557/e773da717bc147a48ac0e7e87bd2d7c0/FLAGfc6738b4a [2021-11-07 01:55:01,646 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/data/99adab557/e773da717bc147a48ac0e7e87bd2d7c0 [2021-11-07 01:55:01,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:55:01,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:55:01,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:55:01,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:55:01,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:55:01,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:55:01" (1/1) ... [2021-11-07 01:55:01,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b4cef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:01, skipping insertion in model container [2021-11-07 01:55:01,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:55:01" (1/1) ... [2021-11-07 01:55:01,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:55:01,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:55:02,020 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_832000d6-2480-46d3-8ae9-518ad2eb0f73/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i[456,469] [2021-11-07 01:55:03,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:55:03,722 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:55:03,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7cff632e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:03, skipping insertion in model container [2021-11-07 01:55:03,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:55:03,723 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:55:03,726 INFO L168 Benchmark]: Toolchain (without parser) took 2071.28 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 52.7 MB in the beginning and 63.1 MB in the end (delta: -10.4 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:55:03,727 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:55:03,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2066.33 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 52.5 MB in the beginning and 63.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:55:03,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2066.33 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 52.5 MB in the beginning and 63.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2975]: 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_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 345f2c82068eea48aca6314e15d35413af585b08222f0693277bcfbc8625f6ae --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:55:06,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:55:06,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:55:06,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:55:06,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:55:06,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:55:06,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:55:06,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:55:06,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:55:06,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:55:06,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:55:06,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:55:06,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:55:06,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:55:06,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:55:06,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:55:06,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:55:06,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:55:06,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:55:06,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:55:06,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:55:06,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:55:06,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:55:06,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:55:06,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:55:06,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:55:06,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:55:06,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:55:06,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:55:06,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:55:06,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:55:06,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:55:06,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:55:06,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:55:06,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:55:06,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:55:06,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:55:06,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:55:06,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:55:06,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:55:06,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:55:06,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-07 01:55:06,682 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:55:06,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:55:06,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:55:06,684 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:55:06,684 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:55:06,685 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:55:06,685 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:55:06,685 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:55:06,685 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:55:06,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:55:06,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:55:06,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:55:06,689 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:55:06,689 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:55:06,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:55:06,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:55:06,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:55:06,690 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:55:06,691 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:55:06,691 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:55:06,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:55:06,691 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:55:06,692 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:55:06,692 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:55:06,692 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:55:06,692 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:55:06,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:55:06,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:55:06,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:55:06,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:55:06,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:55:06,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:55:06,695 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:55:06,695 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:55:06,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:55:06,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:55:06,696 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_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 345f2c82068eea48aca6314e15d35413af585b08222f0693277bcfbc8625f6ae [2021-11-07 01:55:07,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:55:07,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:55:07,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:55:07,220 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:55:07,221 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:55:07,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2021-11-07 01:55:07,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/data/93504026c/b81e2d4202c6480f963e3be98801669e/FLAGe78df48aa [2021-11-07 01:55:08,317 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:55:08,317 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2021-11-07 01:55:08,364 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/data/93504026c/b81e2d4202c6480f963e3be98801669e/FLAGe78df48aa [2021-11-07 01:55:08,863 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/data/93504026c/b81e2d4202c6480f963e3be98801669e [2021-11-07 01:55:08,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:55:08,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:55:08,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:55:08,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:55:08,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:55:08,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:55:08" (1/1) ... [2021-11-07 01:55:08,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@173b0a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:08, skipping insertion in model container [2021-11-07 01:55:08,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:55:08" (1/1) ... [2021-11-07 01:55:08,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:55:08,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:55:09,222 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_832000d6-2480-46d3-8ae9-518ad2eb0f73/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i[456,469] [2021-11-07 01:55:11,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:55:11,331 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:55:11,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:55:11,359 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_832000d6-2480-46d3-8ae9-518ad2eb0f73/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i[456,469] [2021-11-07 01:55:11,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:55:11,675 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:55:11,688 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_832000d6-2480-46d3-8ae9-518ad2eb0f73/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i[456,469] [2021-11-07 01:55:11,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:55:12,182 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:55:12,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:12 WrapperNode [2021-11-07 01:55:12,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:55:12,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:55:12,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:55:12,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:55:12,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:12" (1/1) ... [2021-11-07 01:55:12,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:12" (1/1) ... [2021-11-07 01:55:12,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:55:12,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:55:12,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:55:12,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:55:12,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:12" (1/1) ... [2021-11-07 01:55:12,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:12" (1/1) ... [2021-11-07 01:55:12,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:12" (1/1) ... [2021-11-07 01:55:12,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:12" (1/1) ... [2021-11-07 01:55:12,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:12" (1/1) ... [2021-11-07 01:55:12,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:12" (1/1) ... [2021-11-07 01:55:12,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:12" (1/1) ... [2021-11-07 01:55:12,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:55:12,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:55:12,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:55:12,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:55:12,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:12" (1/1) ... [2021-11-07 01:55:12,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:55:12,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:55:12,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:55:12,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:55:12,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:55:12,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 01:55:12,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:55:12,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:55:12,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:55:12,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:55:12,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:55:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:55:12,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:55:12,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:55:12,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 01:55:12,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 01:55:12,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:55:12,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:55:12,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:55:12,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:55:12,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 01:55:12,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:55:12,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:55:12,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 01:55:22,169 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:55:22,174 INFO L299 CfgBuilder]: Removed 497 assume(true) statements. [2021-11-07 01:55:22,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:55:22 BoogieIcfgContainer [2021-11-07 01:55:22,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:55:22,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:55:22,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:55:22,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:55:22,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:55:08" (1/3) ... [2021-11-07 01:55:22,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e82441e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:55:22, skipping insertion in model container [2021-11-07 01:55:22,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:55:12" (2/3) ... [2021-11-07 01:55:22,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e82441e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:55:22, skipping insertion in model container [2021-11-07 01:55:22,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:55:22" (3/3) ... [2021-11-07 01:55:22,192 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outl.i [2021-11-07 01:55:22,198 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:55:22,199 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 287 error locations. [2021-11-07 01:55:22,273 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:55:22,282 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:55:22,283 INFO L340 AbstractCegarLoop]: Starting to check reachability of 287 error locations. [2021-11-07 01:55:22,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 781 states, 493 states have (on average 1.8012170385395538) internal successors, (888), 780 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:55:22,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 01:55:22,337 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:55:22,337 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 01:55:22,338 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 283 more)] === [2021-11-07 01:55:22,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:55:22,349 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2021-11-07 01:55:22,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:55:22,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772696995] [2021-11-07 01:55:22,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:55:22,372 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:55:22,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:55:22,378 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:55:22,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832000d6-2480-46d3-8ae9-518ad2eb0f73/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:55:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:55:23,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:55:23,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:57:15,202 WARN L207 SmtUtils]: Spent 1.85 m on a formula simplification. DAG size of input: 3433 DAG size of output: 190 [2021-11-07 01:57:15,216 INFO L354 Elim1Store]: treesize reduction 62478, result has 0.8 percent of original size [2021-11-07 01:57:15,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 47 case distinctions, treesize of input 2150 treesize of output 2491