./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.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_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/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_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/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_a8425c22-9533-40a2-bf56-5cbd00230fa2/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 a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:47:51,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:47:51,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:47:51,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:47:51,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:47:51,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:47:51,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:47:51,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:47:51,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:47:51,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:47:51,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:47:51,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:47:51,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:47:51,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:47:51,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:47:51,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:47:51,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:47:51,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:47:51,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:47:51,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:47:51,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:47:51,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:47:51,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:47:51,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:47:51,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:47:51,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:47:51,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:47:51,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:47:51,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:47:51,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:47:51,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:47:51,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:47:51,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:47:51,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:47:51,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:47:51,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:47:51,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:47:51,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:47:51,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:47:51,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:47:51,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:47:51,691 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-07 01:47:51,737 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:47:51,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:47:51,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:47:51,745 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:47:51,746 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:47:51,746 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:47:51,746 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:47:51,746 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:47:51,746 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:47:51,747 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:47:51,748 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:47:51,748 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:47:51,748 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:47:51,748 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:47:51,749 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:47:51,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:47:51,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:47:51,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:47:51,750 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:47:51,750 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:47:51,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:47:51,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:47:51,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:47:51,751 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:47:51,751 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:47:51,752 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:47:51,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:47:51,753 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:47:51,754 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:47:51,754 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:47:51,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:47:51,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:47:51,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:47:51,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:47:51,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:47:51,755 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:47:51,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:47:51,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:47:51,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:47:51,756 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_a8425c22-9533-40a2-bf56-5cbd00230fa2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2021-11-07 01:47:52,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:47:52,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:47:52,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:47:52,074 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:47:52,075 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:47:52,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-11-07 01:47:52,157 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/data/1635a8794/903c7029a8d24f64992093ca1731ffd5/FLAG410d1a8b4 [2021-11-07 01:47:52,946 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:47:52,947 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-11-07 01:47:53,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/data/1635a8794/903c7029a8d24f64992093ca1731ffd5/FLAG410d1a8b4 [2021-11-07 01:47:53,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/data/1635a8794/903c7029a8d24f64992093ca1731ffd5 [2021-11-07 01:47:53,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:47:53,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:47:53,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:47:53,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:47:53,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:47:53,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:47:53" (1/1) ... [2021-11-07 01:47:53,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728d2504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:53, skipping insertion in model container [2021-11-07 01:47:53,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:47:53" (1/1) ... [2021-11-07 01:47:53,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:47:53,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:47:53,408 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_a8425c22-9533-40a2-bf56-5cbd00230fa2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-11-07 01:47:55,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:47:55,169 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 01:47:55,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e311656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:55, skipping insertion in model container [2021-11-07 01:47:55,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:47:55,170 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:47:55,173 INFO L168 Benchmark]: Toolchain (without parser) took 2117.75 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 52.2 MB in the beginning and 81.1 MB in the end (delta: -28.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:47:55,175 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 92.3 MB. Free memory was 66.0 MB in the beginning and 66.0 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:47:55,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2112.88 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 51.9 MB in the beginning and 81.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:47:55,178 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 92.3 MB. Free memory was 66.0 MB in the beginning and 66.0 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2112.88 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 51.9 MB in the beginning and 81.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2992]: 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_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/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_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/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_a8425c22-9533-40a2-bf56-5cbd00230fa2/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 a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:47:57,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:47:57,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:47:57,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:47:57,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:47:57,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:47:57,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:47:57,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:47:57,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:47:57,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:47:57,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:47:57,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:47:57,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:47:57,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:47:57,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:47:57,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:47:57,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:47:57,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:47:57,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:47:57,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:47:57,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:47:57,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:47:57,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:47:57,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:47:57,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:47:57,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:47:57,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:47:57,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:47:57,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:47:57,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:47:57,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:47:57,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:47:57,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:47:57,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:47:57,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:47:57,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:47:57,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:47:57,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:47:57,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:47:57,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:47:57,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:47:57,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-07 01:47:57,631 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:47:57,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:47:57,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:47:57,633 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:47:57,633 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:47:57,634 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:47:57,634 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:47:57,634 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:47:57,634 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:47:57,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:47:57,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:47:57,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:47:57,636 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:47:57,636 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:47:57,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:47:57,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:47:57,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:47:57,637 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:47:57,637 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:47:57,638 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:47:57,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:47:57,638 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:47:57,638 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:47:57,638 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:47:57,639 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:47:57,639 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:47:57,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:47:57,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:47:57,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:47:57,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:47:57,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:47:57,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:47:57,641 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:47:57,641 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:47:57,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:47:57,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:47:57,642 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_a8425c22-9533-40a2-bf56-5cbd00230fa2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2021-11-07 01:47:58,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:47:58,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:47:58,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:47:58,060 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:47:58,061 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:47:58,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-11-07 01:47:58,134 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/data/cb5a2e759/499d29ed7ff14daab9352793a18fe14d/FLAG8555fe9bd [2021-11-07 01:47:58,918 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:47:58,919 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-11-07 01:47:58,960 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/data/cb5a2e759/499d29ed7ff14daab9352793a18fe14d/FLAG8555fe9bd [2021-11-07 01:47:59,014 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/data/cb5a2e759/499d29ed7ff14daab9352793a18fe14d [2021-11-07 01:47:59,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:47:59,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:47:59,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:47:59,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:47:59,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:47:59,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:47:59" (1/1) ... [2021-11-07 01:47:59,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6291f37d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:59, skipping insertion in model container [2021-11-07 01:47:59,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:47:59" (1/1) ... [2021-11-07 01:47:59,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:47:59,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:47:59,420 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_a8425c22-9533-40a2-bf56-5cbd00230fa2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-11-07 01:48:00,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:48:00,792 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:48:00,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:48:00,818 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_a8425c22-9533-40a2-bf56-5cbd00230fa2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-11-07 01:48:01,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:48:01,105 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:48:01,118 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_a8425c22-9533-40a2-bf56-5cbd00230fa2/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-11-07 01:48:01,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:48:01,558 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:48:01,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:01 WrapperNode [2021-11-07 01:48:01,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:48:01,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:48:01,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:48:01,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:48:01,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:01" (1/1) ... [2021-11-07 01:48:01,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:01" (1/1) ... [2021-11-07 01:48:01,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:48:01,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:48:01,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:48:01,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:48:01,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:01" (1/1) ... [2021-11-07 01:48:01,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:01" (1/1) ... [2021-11-07 01:48:01,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:01" (1/1) ... [2021-11-07 01:48:01,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:01" (1/1) ... [2021-11-07 01:48:02,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:01" (1/1) ... [2021-11-07 01:48:02,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:01" (1/1) ... [2021-11-07 01:48:02,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:01" (1/1) ... [2021-11-07 01:48:02,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:48:02,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:48:02,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:48:02,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:48:02,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:01" (1/1) ... [2021-11-07 01:48:02,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:48:02,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:48:02,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:48:02,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:48:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:48:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 01:48:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:48:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:48:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:48:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:48:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:48:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:48:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:48:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:48:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 01:48:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 01:48:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:48:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:48:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:48:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:48:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 01:48:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:48:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:48:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 01:48:11,497 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:48:11,497 INFO L299 CfgBuilder]: Removed 621 assume(true) statements. [2021-11-07 01:48:11,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:48:11 BoogieIcfgContainer [2021-11-07 01:48:11,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:48:11,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:48:11,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:48:11,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:48:11,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:47:59" (1/3) ... [2021-11-07 01:48:11,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c30760f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:48:11, skipping insertion in model container [2021-11-07 01:48:11,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:01" (2/3) ... [2021-11-07 01:48:11,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c30760f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:48:11, skipping insertion in model container [2021-11-07 01:48:11,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:48:11" (3/3) ... [2021-11-07 01:48:11,516 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2021-11-07 01:48:11,521 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:48:11,522 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 349 error locations. [2021-11-07 01:48:11,576 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:48:11,582 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 01:48:11,583 INFO L340 AbstractCegarLoop]: Starting to check reachability of 349 error locations. [2021-11-07 01:48:11,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 1038 states, 688 states have (on average 1.754360465116279) internal successors, (1207), 1037 states have internal predecessors, (1207), 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 01:48:11,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 01:48:11,633 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:11,633 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 01:48:11,634 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 345 more)] === [2021-11-07 01:48:11,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:11,638 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2021-11-07 01:48:11,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:48:11,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1033253415] [2021-11-07 01:48:11,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:11,652 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:48:11,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:48:11,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:48:11,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8425c22-9533-40a2-bf56-5cbd00230fa2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:48:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:12,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:48:12,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:52:19,193 WARN L207 SmtUtils]: Spent 4.09 m on a formula simplification. DAG size of input: 5371 DAG size of output: 238 [2021-11-07 01:52:19,199 INFO L354 Elim1Store]: treesize reduction 119493, result has 0.5 percent of original size [2021-11-07 01:52:19,201 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 59 case distinctions, treesize of input 6657440 treesize of output 6625122 [2021-11-07 01:53:03,725 WARN L207 SmtUtils]: Spent 44.52 s on a formula simplification that was a NOOP. DAG size: 620