./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh --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 a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 08:41:27,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:41:27,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:41:27,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:41:27,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:41:27,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:41:27,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:41:27,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:41:27,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:41:27,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:41:27,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:41:27,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:41:27,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:41:27,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:41:27,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:41:27,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:41:27,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:41:27,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:41:27,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:41:27,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:41:27,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:41:27,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:41:27,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:41:27,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:41:27,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:41:27,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:41:27,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:41:27,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:41:27,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:41:27,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:41:27,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:41:27,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:41:27,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:41:27,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:41:27,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:41:27,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:41:27,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:41:27,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:41:27,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:41:27,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:41:27,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:41:27,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 08:41:27,978 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:41:27,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:41:27,978 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:41:27,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:41:27,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:41:27,979 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:41:27,980 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:41:27,980 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:41:27,980 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:41:27,980 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:41:27,980 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:41:27,981 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:41:27,981 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:41:27,981 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:41:27,981 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:41:27,981 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:41:27,981 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:41:27,982 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:41:27,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 08:41:27,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 08:41:27,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:41:27,983 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:41:27,983 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:41:27,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:41:27,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:41:27,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:41:27,984 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 08:41:27,984 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 08:41:27,984 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 08:41:27,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:41:27,984 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 08:41:27,985 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:41:27,985 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:41:27,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:41:27,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:41:27,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:41:27,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:41:27,986 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:41:27,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:41:27,986 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:41:27,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:41:27,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:41:27,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df [2022-12-14 08:41:28,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:41:28,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:41:28,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:41:28,198 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:41:28,198 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:41:28,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-12-14 08:41:30,759 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:41:30,969 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:41:30,970 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-12-14 08:41:30,983 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/data/be9f05200/8ecac7156b9f44d481a861bbf9ac0cb7/FLAGda9448878 [2022-12-14 08:41:30,997 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/data/be9f05200/8ecac7156b9f44d481a861bbf9ac0cb7 [2022-12-14 08:41:31,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:41:31,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:41:31,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:41:31,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:41:31,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:41:31,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:41:30" (1/1) ... [2022-12-14 08:41:31,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a27740d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:31, skipping insertion in model container [2022-12-14 08:41:31,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:41:30" (1/1) ... [2022-12-14 08:41:31,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:41:31,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:41:31,445 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 08:41:31,445 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 08:41:31,446 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 08:41:31,446 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 08:41:31,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:41:31,475 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-12-14 08:41:31,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ca70ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:31, skipping insertion in model container [2022-12-14 08:41:31,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:41:31,476 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 08:41:31,478 INFO L158 Benchmark]: Toolchain (without parser) took 475.65ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 76.8MB in the beginning and 127.0MB in the end (delta: -50.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2022-12-14 08:41:31,478 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 130.0MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:41:31,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.36ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 76.5MB in the beginning and 127.0MB in the end (delta: -50.5MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-12-14 08:41:31,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 130.0MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.36ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 76.5MB in the beginning and 127.0MB in the end (delta: -50.5MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1038]: Unsupported Syntax Found a cast between two array/pointer types of different sizes 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh --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 a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 08:41:32,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:41:32,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:41:32,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:41:32,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:41:32,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:41:32,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:41:32,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:41:32,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:41:32,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:41:32,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:41:32,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:41:32,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:41:32,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:41:32,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:41:32,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:41:32,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:41:32,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:41:32,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:41:32,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:41:32,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:41:32,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:41:32,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:41:32,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:41:32,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:41:32,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:41:32,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:41:32,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:41:32,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:41:32,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:41:32,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:41:32,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:41:32,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:41:32,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:41:32,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:41:32,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:41:32,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:41:32,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:41:32,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:41:32,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:41:32,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:41:32,919 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-12-14 08:41:32,941 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:41:32,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:41:32,941 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:41:32,941 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:41:32,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:41:32,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:41:32,942 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:41:32,942 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:41:32,942 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:41:32,942 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:41:32,943 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:41:32,943 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:41:32,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 08:41:32,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 08:41:32,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:41:32,944 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:41:32,944 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:41:32,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:41:32,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:41:32,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:41:32,945 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 08:41:32,945 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 08:41:32,945 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 08:41:32,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:41:32,945 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 08:41:32,945 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 08:41:32,946 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 08:41:32,946 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:41:32,946 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:41:32,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:41:32,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 08:41:32,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:41:32,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:41:32,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:41:32,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:41:32,947 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 08:41:32,947 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 08:41:32,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:41:32,947 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 08:41:32,947 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_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df [2022-12-14 08:41:33,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:41:33,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:41:33,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:41:33,205 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:41:33,206 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:41:33,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-12-14 08:41:35,768 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:41:35,938 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:41:35,939 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-12-14 08:41:35,950 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/data/444a853e5/2cc51d5b3b564f489f37e4b4396d2550/FLAG6248f7a56 [2022-12-14 08:41:35,963 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/data/444a853e5/2cc51d5b3b564f489f37e4b4396d2550 [2022-12-14 08:41:35,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:41:35,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:41:35,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:41:35,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:41:35,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:41:35,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:41:35" (1/1) ... [2022-12-14 08:41:35,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c85a5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:35, skipping insertion in model container [2022-12-14 08:41:35,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:41:35" (1/1) ... [2022-12-14 08:41:35,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:41:36,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:41:36,300 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 08:41:36,301 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 08:41:36,301 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 08:41:36,301 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 08:41:36,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:41:36,332 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 08:41:36,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:41:36,353 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 08:41:36,353 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 08:41:36,354 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 08:41:36,354 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 08:41:36,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:41:36,366 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:41:36,387 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 08:41:36,387 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 08:41:36,388 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 08:41:36,388 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 08:41:36,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:41:36,439 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:41:36,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:36 WrapperNode [2022-12-14 08:41:36,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:41:36,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:41:36,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:41:36,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:41:36,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:36" (1/1) ... [2022-12-14 08:41:36,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:36" (1/1) ... [2022-12-14 08:41:36,475 INFO L138 Inliner]: procedures = 275, calls = 35, calls flagged for inlining = 9, calls inlined = 8, statements flattened = 126 [2022-12-14 08:41:36,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:41:36,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:41:36,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:41:36,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:41:36,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:36" (1/1) ... [2022-12-14 08:41:36,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:36" (1/1) ... [2022-12-14 08:41:36,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:36" (1/1) ... [2022-12-14 08:41:36,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:36" (1/1) ... [2022-12-14 08:41:36,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:36" (1/1) ... [2022-12-14 08:41:36,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:36" (1/1) ... [2022-12-14 08:41:36,497 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:36" (1/1) ... [2022-12-14 08:41:36,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:36" (1/1) ... [2022-12-14 08:41:36,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:41:36,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:41:36,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:41:36,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:41:36,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:36" (1/1) ... [2022-12-14 08:41:36,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:41:36,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:41:36,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:41:36,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:41:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 08:41:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-12-14 08:41:36,563 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-12-14 08:41:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:41:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:41:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:41:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 08:41:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 08:41:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:41:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:41:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:41:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:41:36,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:41:36,566 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 08:41:36,698 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:41:36,700 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:41:37,146 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:41:37,154 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:41:37,155 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 08:41:37,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:41:37 BoogieIcfgContainer [2022-12-14 08:41:37,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:41:37,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:41:37,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:41:37,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:41:37,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:41:35" (1/3) ... [2022-12-14 08:41:37,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fef64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:41:37, skipping insertion in model container [2022-12-14 08:41:37,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:41:36" (2/3) ... [2022-12-14 08:41:37,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fef64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:41:37, skipping insertion in model container [2022-12-14 08:41:37,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:41:37" (3/3) ... [2022-12-14 08:41:37,167 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_22-nocollapse.i [2022-12-14 08:41:37,185 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:41:37,185 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-12-14 08:41:37,186 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 08:41:37,300 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 08:41:37,331 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 08:41:37,347 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 231 transitions, 472 flow [2022-12-14 08:41:37,350 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 231 transitions, 472 flow [2022-12-14 08:41:37,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 223 places, 231 transitions, 472 flow [2022-12-14 08:41:37,418 INFO L130 PetriNetUnfolder]: 15/229 cut-off events. [2022-12-14 08:41:37,418 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 08:41:37,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 229 events. 15/229 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 662 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 168. Up to 2 conditions per place. [2022-12-14 08:41:37,427 INFO L119 LiptonReduction]: Number of co-enabled transitions 8134 [2022-12-14 08:43:14,411 WARN L233 SmtUtils]: Spent 7.99s on a formula simplification. DAG size of input: 144 DAG size of output: 136 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:43:26,435 WARN L233 SmtUtils]: Spent 7.92s on a formula simplification. DAG size of input: 144 DAG size of output: 136 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:43:37,346 WARN L233 SmtUtils]: Spent 6.10s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:43:43,902 WARN L233 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:43:49,271 WARN L233 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:43:54,845 WARN L233 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:44:00,601 WARN L233 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:44:06,552 WARN L233 SmtUtils]: Spent 5.95s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:47:11,338 WARN L233 SmtUtils]: Spent 2.90m on a formula simplification. DAG size of input: 228 DAG size of output: 220 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:48:34,304 WARN L233 SmtUtils]: Spent 1.38m on a formula simplification that was a NOOP. DAG size: 212 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:51:54,642 WARN L233 SmtUtils]: Spent 3.34m on a formula simplification. DAG size of input: 228 DAG size of output: 220 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:53:17,684 WARN L233 SmtUtils]: Spent 1.38m on a formula simplification that was a NOOP. DAG size: 212 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:53:22,830 WARN L233 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 08:53:55,479 INFO L134 LiptonReduction]: Checked pairs total: 11916 [2022-12-14 08:53:55,479 INFO L136 LiptonReduction]: Total number of compositions: 264 [2022-12-14 08:53:55,484 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 70 places, 69 transitions, 148 flow [2022-12-14 08:53:55,522 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 985 states, 784 states have (on average 3.5) internal successors, (2744), 984 states have internal predecessors, (2744), 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) [2022-12-14 08:53:55,535 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:53:55,538 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6b6eebe5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:53:55,538 INFO L358 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2022-12-14 08:53:55,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 985 states, 784 states have (on average 3.5) internal successors, (2744), 984 states have internal predecessors, (2744), 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) [2022-12-14 08:53:55,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 08:53:55,544 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:53:55,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-12-14 08:53:55,545 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [fErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 48 more)] === [2022-12-14 08:53:55,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:53:55,549 INFO L85 PathProgramCache]: Analyzing trace with hash 25350, now seen corresponding path program 1 times [2022-12-14 08:53:55,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:53:55,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653865550] [2022-12-14 08:53:55,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:53:55,558 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:53:55,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:53:55,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 08:53:55,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 08:53:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:53:55,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 08:53:55,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:53:55,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:53:55,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:53:55,761 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 08:53:55,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 23 [2022-12-14 08:53:55,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:53:55,819 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:53:55,820 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:53:55,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653865550] [2022-12-14 08:53:55,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [653865550] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:53:55,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:53:55,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:53:55,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266532299] [2022-12-14 08:53:55,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:53:55,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:53:55,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:53:55,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:53:55,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:53:55,846 INFO L87 Difference]: Start difference. First operand has 985 states, 784 states have (on average 3.5) internal successors, (2744), 984 states have internal predecessors, (2744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 08:53:57,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:53:57,523 INFO L93 Difference]: Finished difference Result 856 states and 2403 transitions. [2022-12-14 08:53:57,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:53:57,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2022-12-14 08:53:57,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:53:57,543 INFO L225 Difference]: With dead ends: 856 [2022-12-14 08:53:57,543 INFO L226 Difference]: Without dead ends: 856 [2022-12-14 08:53:57,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:53:57,547 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 2 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-14 08:53:57,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-14 08:53:57,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2022-12-14 08:53:57,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 854. [2022-12-14 08:53:57,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 702 states have (on average 3.423076923076923) internal successors, (2403), 853 states have internal predecessors, (2403), 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) [2022-12-14 08:53:57,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 2403 transitions. [2022-12-14 08:53:57,607 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 2403 transitions. Word has length 2 [2022-12-14 08:53:57,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:53:57,607 INFO L495 AbstractCegarLoop]: Abstraction has 854 states and 2403 transitions. [2022-12-14 08:53:57,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 08:53:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 2403 transitions. [2022-12-14 08:53:57,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 08:53:57,607 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:53:57,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-12-14 08:53:57,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:53:57,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:53:57,810 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [fErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 48 more)] === [2022-12-14 08:53:57,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:53:57,811 INFO L85 PathProgramCache]: Analyzing trace with hash 25349, now seen corresponding path program 1 times [2022-12-14 08:53:57,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:53:57,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1949888602] [2022-12-14 08:53:57,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:53:57,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:53:57,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:53:57,817 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 08:53:57,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 08:53:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:53:57,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 08:53:57,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:53:57,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:53:57,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:53:58,014 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 08:53:58,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 31 [2022-12-14 08:53:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:53:58,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:53:58,043 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:53:58,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1949888602] [2022-12-14 08:53:58,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1949888602] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:53:58,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:53:58,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:53:58,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852977674] [2022-12-14 08:53:58,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:53:58,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:53:58,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:53:58,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:53:58,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:53:58,045 INFO L87 Difference]: Start difference. First operand 854 states and 2403 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 08:53:59,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:53:59,584 INFO L93 Difference]: Finished difference Result 821 states and 2308 transitions. [2022-12-14 08:53:59,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:53:59,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2022-12-14 08:53:59,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:53:59,588 INFO L225 Difference]: With dead ends: 821 [2022-12-14 08:53:59,588 INFO L226 Difference]: Without dead ends: 821 [2022-12-14 08:53:59,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:53:59,589 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 40 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 08:53:59,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 0 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 08:53:59,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2022-12-14 08:53:59,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2022-12-14 08:53:59,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 673 states have (on average 3.429420505200594) internal successors, (2308), 820 states have internal predecessors, (2308), 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) [2022-12-14 08:53:59,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 2308 transitions. [2022-12-14 08:53:59,607 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 2308 transitions. Word has length 2 [2022-12-14 08:53:59,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:53:59,607 INFO L495 AbstractCegarLoop]: Abstraction has 821 states and 2308 transitions. [2022-12-14 08:53:59,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-12-14 08:53:59,607 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 2308 transitions. [2022-12-14 08:53:59,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 08:53:59,607 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:53:59,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 08:53:59,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 08:53:59,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:53:59,810 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [fErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 48 more)] === [2022-12-14 08:53:59,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:53:59,811 INFO L85 PathProgramCache]: Analyzing trace with hash 786707, now seen corresponding path program 1 times [2022-12-14 08:53:59,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:53:59,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [93548167] [2022-12-14 08:53:59,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:53:59,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:53:59,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:53:59,816 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 08:53:59,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 08:53:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:53:59,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-14 08:53:59,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:54:00,005 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 08:54:00,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-12-14 08:54:00,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2022-12-14 08:54:00,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2022-12-14 08:54:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:00,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:54:00,128 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:54:00,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [93548167] [2022-12-14 08:54:00,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [93548167] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:54:00,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:54:00,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:54:00,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331550355] [2022-12-14 08:54:00,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:54:00,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:54:00,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:54:00,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:54:00,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:54:00,130 INFO L87 Difference]: Start difference. First operand 821 states and 2308 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2022-12-14 08:54:02,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:54:02,953 INFO L93 Difference]: Finished difference Result 825 states and 2311 transitions. [2022-12-14 08:54:02,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:54:02,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-12-14 08:54:02,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:54:02,957 INFO L225 Difference]: With dead ends: 825 [2022-12-14 08:54:02,957 INFO L226 Difference]: Without dead ends: 825 [2022-12-14 08:54:02,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:54:02,958 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 5 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:54:02,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-14 08:54:02,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2022-12-14 08:54:02,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 821. [2022-12-14 08:54:02,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 673 states have (on average 3.426448736998514) internal successors, (2306), 820 states have internal predecessors, (2306), 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) [2022-12-14 08:54:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 2306 transitions. [2022-12-14 08:54:02,974 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 2306 transitions. Word has length 3 [2022-12-14 08:54:02,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:54:02,974 INFO L495 AbstractCegarLoop]: Abstraction has 821 states and 2306 transitions. [2022-12-14 08:54:02,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2022-12-14 08:54:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 2306 transitions. [2022-12-14 08:54:02,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 08:54:02,975 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:54:02,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 08:54:02,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-12-14 08:54:03,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:54:03,175 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [fErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 48 more)] === [2022-12-14 08:54:03,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:54:03,176 INFO L85 PathProgramCache]: Analyzing trace with hash 24388811, now seen corresponding path program 1 times [2022-12-14 08:54:03,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:54:03,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627072721] [2022-12-14 08:54:03,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:54:03,176 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:54:03,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:54:03,177 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 08:54:03,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-14 08:54:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:54:03,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 08:54:03,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:54:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:03,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:54:03,550 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:54:03,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627072721] [2022-12-14 08:54:03,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1627072721] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:54:03,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:54:03,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:54:03,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887215820] [2022-12-14 08:54:03,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:54:03,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:54:03,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:54:03,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:54:03,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:54:03,551 INFO L87 Difference]: Start difference. First operand 821 states and 2306 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-14 08:54:06,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:54:06,354 INFO L93 Difference]: Finished difference Result 824 states and 2310 transitions. [2022-12-14 08:54:06,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:54:06,355 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 08:54:06,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:54:06,358 INFO L225 Difference]: With dead ends: 824 [2022-12-14 08:54:06,358 INFO L226 Difference]: Without dead ends: 824 [2022-12-14 08:54:06,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:54:06,359 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:54:06,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-14 08:54:06,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2022-12-14 08:54:06,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 822. [2022-12-14 08:54:06,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 674 states have (on average 3.427299703264095) internal successors, (2310), 821 states have internal predecessors, (2310), 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) [2022-12-14 08:54:06,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 2310 transitions. [2022-12-14 08:54:06,374 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 2310 transitions. Word has length 4 [2022-12-14 08:54:06,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:54:06,375 INFO L495 AbstractCegarLoop]: Abstraction has 822 states and 2310 transitions. [2022-12-14 08:54:06,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-14 08:54:06,375 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 2310 transitions. [2022-12-14 08:54:06,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 08:54:06,375 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:54:06,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 08:54:06,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-14 08:54:06,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:54:06,577 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [fErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 48 more)] === [2022-12-14 08:54:06,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:54:06,579 INFO L85 PathProgramCache]: Analyzing trace with hash 24388805, now seen corresponding path program 1 times [2022-12-14 08:54:06,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:54:06,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100623301] [2022-12-14 08:54:06,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:54:06,581 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:54:06,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:54:06,584 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 08:54:06,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-14 08:54:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:54:06,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 60 conjunts are in the unsatisfiable core [2022-12-14 08:54:06,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:54:06,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2022-12-14 08:54:07,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 139 [2022-12-14 08:54:07,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:54:07,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:54:07,106 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-12-14 08:54:07,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 238 [2022-12-14 08:54:07,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:54:07,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:07,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:54:07,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-12-14 08:54:07,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 111 [2022-12-14 08:54:07,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 08:54:07,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-12-14 08:54:07,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 101 [2022-12-14 08:54:07,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:07,237 INFO L321 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2022-12-14 08:54:07,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 36 [2022-12-14 08:54:07,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-12-14 08:54:07,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:07,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:54:07,590 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:54:07,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 370 treesize of output 328 [2022-12-14 08:54:07,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1076 treesize of output 997 [2022-12-14 08:54:07,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 631 treesize of output 607 [2022-12-14 08:54:07,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 607 treesize of output 595 [2022-12-14 08:54:07,754 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_4 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select v_arrayElimArr_4 (_ bv4 32)))) (let ((.cse0 (store |c_#valid| .cse1 (_ bv1 1)))) (or (not (= (select .cse0 |c_~#c~0.base|) (_ bv0 1))) (not (= (_ bv0 1) (select |c_#valid| .cse1))) (not (= .cse1 (select v_arrayElimArr_4 (_ bv8 32)))) (not (= (bvadd (select .cse0 (select (select (store |c_#memory_$Pointer$.base| .cse1 v_arrayElimArr_4) |c_~#c~0.base|) (bvadd |c_~#c~0.offset| (bvmul (_ bv8 32) |c_ULTIMATE.start_main_~i~0#1|)))) (_ bv1 1)) (_ bv0 1))))))) is different from false [2022-12-14 08:54:07,771 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-12-14 08:54:07,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-12-14 08:54:07,771 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:54:07,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2100623301] [2022-12-14 08:54:07,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2100623301] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:54:07,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2105611325] [2022-12-14 08:54:07,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:54:07,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 08:54:07,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 08:54:07,773 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 08:54:07,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-12-14 08:54:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:54:09,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-14 08:54:09,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:54:11,542 INFO L321 Elim1Store]: treesize reduction 188, result has 31.1 percent of original size [2022-12-14 08:54:11,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 4118 treesize of output 2045 [2022-12-14 08:54:15,861 INFO L321 Elim1Store]: treesize reduction 188, result has 31.1 percent of original size [2022-12-14 08:54:15,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 506 treesize of output 589 [2022-12-14 08:54:16,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 08:54:16,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 08:54:16,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 08:54:16,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-12-14 08:54:17,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-12-14 08:54:17,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-12-14 08:54:17,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-12-14 08:54:17,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 08:54:17,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 08:54:18,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2022-12-14 08:54:19,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:19,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:19,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:19,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:19,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:19,817 INFO L217 Elim1Store]: Index analysis took 139 ms [2022-12-14 08:54:19,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 340 treesize of output 648 [2022-12-14 08:54:19,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 08:54:20,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:20,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:20,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:20,290 INFO L217 Elim1Store]: Index analysis took 275 ms [2022-12-14 08:54:20,382 INFO L321 Elim1Store]: treesize reduction 85, result has 15.8 percent of original size [2022-12-14 08:54:20,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 415 treesize of output 731 [2022-12-14 08:54:20,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 08:54:20,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 08:54:26,263 INFO L321 Elim1Store]: treesize reduction 564, result has 46.0 percent of original size [2022-12-14 08:54:26,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 3335 treesize of output 3625 [2022-12-14 08:54:26,580 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:54:26,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 08:54:27,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 08:54:28,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 08:54:28,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 08:54:29,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 08:54:31,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:31,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:31,661 INFO L321 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2022-12-14 08:54:31,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 506 treesize of output 489 [2022-12-14 08:54:31,989 INFO L321 Elim1Store]: treesize reduction 110, result has 0.9 percent of original size [2022-12-14 08:54:31,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 573 treesize of output 550 [2022-12-14 08:54:32,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:32,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 69 [2022-12-14 08:54:32,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:32,552 INFO L321 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2022-12-14 08:54:32,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 831 treesize of output 606 [2022-12-14 08:54:32,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:32,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:32,697 INFO L321 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2022-12-14 08:54:32,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 2588 treesize of output 195 [2022-12-14 08:54:34,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 08:54:34,913 INFO L321 Elim1Store]: treesize reduction 105, result has 31.4 percent of original size [2022-12-14 08:54:34,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 4938 treesize of output 3547 [2022-12-14 08:54:35,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2022-12-14 08:54:35,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2022-12-14 08:54:35,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2022-12-14 08:54:35,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2022-12-14 08:54:35,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2022-12-14 08:54:37,651 INFO L321 Elim1Store]: treesize reduction 142, result has 0.7 percent of original size [2022-12-14 08:54:37,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1174 treesize of output 25 [2022-12-14 08:54:37,982 INFO L321 Elim1Store]: treesize reduction 142, result has 0.7 percent of original size [2022-12-14 08:54:37,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1169 treesize of output 22 [2022-12-14 08:54:38,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 215 treesize of output 107 [2022-12-14 08:54:38,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 184 [2022-12-14 08:54:38,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2026 treesize of output 1066 [2022-12-14 08:54:39,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 533 treesize of output 281 [2022-12-14 08:54:39,208 INFO L321 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2022-12-14 08:54:39,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 328 treesize of output 158 [2022-12-14 08:54:39,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 86 [2022-12-14 08:54:39,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 37 [2022-12-14 08:54:39,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 08:54:39,714 WARN L859 $PredicateComparison]: unable to prove that (and (let ((.cse22 (select |c_#memory_$Pointer$.base| |c_~#c~0.base|)) (.cse9 (bvadd |c_~#c~0.offset| (bvmul (_ bv8 32) |c_ULTIMATE.start_main_~i~0#1|)))) (let ((.cse17 (select |c_#memory_$Pointer$.offset| |c_~#c~0.base|)) (.cse6 (select .cse22 .cse9))) (let ((.cse19 (exists ((v_DerPreprocessor_18 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_20 (Array (_ BitVec 32) (_ BitVec 32)))) (and (= v_DerPreprocessor_18 (select (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.base| .cse6 v_DerPreprocessor_18) |c_~#c~0.base| v_DerPreprocessor_20) .cse6 v_DerPreprocessor_18) |c_~#c~0.base| v_DerPreprocessor_20) .cse6 v_DerPreprocessor_18) |c_~#c~0.base| v_DerPreprocessor_20) .cse6 v_DerPreprocessor_18) |c_~#c~0.base| v_DerPreprocessor_20) .cse6)) (= (select v_DerPreprocessor_20 .cse9) .cse6)))) (.cse3 (exists ((v_DerPreprocessor_47 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_49 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_172 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_174 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse6 v_DerPreprocessor_47) |c_~#c~0.base| v_DerPreprocessor_49) .cse6 v_DerPreprocessor_47) |c_~#c~0.base| v_DerPreprocessor_49) .cse6 v_DerPreprocessor_47) |c_~#c~0.base| v_DerPreprocessor_49) .cse6 v_DerPreprocessor_47) |c_~#c~0.base| v_DerPreprocessor_49) .cse6 v_DerPreprocessor_47) |c_~#c~0.base| v_DerPreprocessor_49) .cse6 v_DerPreprocessor_47) |c_~#c~0.base| v_DerPreprocessor_49) .cse6 v_DerPreprocessor_47) |c_~#c~0.base| v_DerPreprocessor_49) .cse6 v_DerPreprocessor_47) |c_~#c~0.base| v_DerPreprocessor_49) .cse6) (select (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse6 v_prenex_172) |c_~#c~0.base| v_prenex_174) .cse6 v_prenex_172) |c_~#c~0.base| v_DerPreprocessor_49) .cse6 v_prenex_172) |c_~#c~0.base| v_prenex_174) .cse6 v_prenex_172) |c_~#c~0.base| v_DerPreprocessor_49) .cse6)))) (.cse0 (not (= |c_~#c~0.base| .cse6))) (.cse1 (= (_ bv12 32) (select |c_#length| .cse6))) (.cse2 (= (_ bv4 32) (select .cse17 .cse9))) (.cse4 (= (_ bv0 1) (bvadd (select |c_#valid| .cse6) (_ bv1 1)))) (.cse34 (exists ((v_DerPreprocessor_44 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_46 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_15 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_9 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_39 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_10 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse51 (select |c_#memory_$Pointer$.offset| .cse6)) (.cse50 (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse6 v_DerPreprocessor_15) |c_~#c~0.base| .cse17) .cse6 v_DerPreprocessor_15) |c_~#c~0.base| .cse17) .cse6 v_DerPreprocessor_15) |c_~#c~0.base| .cse17) .cse6 v_DerPreprocessor_15) |c_~#c~0.base| .cse17))) (and (= (select (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store .cse50 .cse6 v_DerPreprocessor_39) |c_~#c~0.base| .cse17) .cse6 v_DerPreprocessor_39) |c_~#c~0.base| .cse17) .cse6 v_DerPreprocessor_39) |c_~#c~0.base| .cse17) .cse6 v_DerPreprocessor_39) |c_~#c~0.base| .cse17) .cse6 v_DerPreprocessor_39) |c_~#c~0.base| .cse17) .cse6 v_DerPreprocessor_39) |c_~#c~0.base| .cse17) .cse6 v_DerPreprocessor_39) |c_~#c~0.base| .cse17) .cse6 v_DerPreprocessor_39) |c_~#c~0.base| .cse17) .cse6) .cse51) (= (select .cse50 .cse6) .cse51) (= (select (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store .cse50 .cse6 v_DerPreprocessor_44) |c_~#c~0.base| v_DerPreprocessor_46) .cse6 v_DerPreprocessor_44) |c_~#c~0.base| v_DerPreprocessor_46) .cse6 v_DerPreprocessor_44) |c_~#c~0.base| v_DerPreprocessor_46) .cse6 v_DerPreprocessor_44) |c_~#c~0.base| v_DerPreprocessor_46) .cse6 v_DerPreprocessor_44) |c_~#c~0.base| v_DerPreprocessor_46) .cse6 v_DerPreprocessor_44) |c_~#c~0.base| v_DerPreprocessor_46) .cse6 v_DerPreprocessor_44) |c_~#c~0.base| v_DerPreprocessor_46) .cse6 v_DerPreprocessor_44) |c_~#c~0.base| v_DerPreprocessor_46) .cse6) (select (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse6 v_DerPreprocessor_9) |c_~#c~0.base| v_DerPreprocessor_10) .cse6 v_DerPreprocessor_9) |c_~#c~0.base| v_DerPreprocessor_46) .cse6 v_DerPreprocessor_9) |c_~#c~0.base| v_DerPreprocessor_10) .cse6 v_DerPreprocessor_9) |c_~#c~0.base| v_DerPreprocessor_46) .cse6))))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (or (exists ((v_DerPreprocessor_42 (Array (_ BitVec 32) (_ BitVec 32)))) (and (exists ((v_DerPreprocessor_12 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_56 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_55 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_13 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_9 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_list_add_~next~0#1.base| (_ BitVec 32)) (v_DerPreprocessor_54 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_10 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse15 (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse6 v_DerPreprocessor_12) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_13) .cse6 v_DerPreprocessor_12) |c_~#c~0.base| v_DerPreprocessor_42) .cse6 v_DerPreprocessor_12) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_13) .cse6 v_DerPreprocessor_12) |c_~#c~0.base| v_DerPreprocessor_42))) (let ((.cse5 (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store .cse15 .cse6 v_DerPreprocessor_54) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_55) .cse6 v_DerPreprocessor_54) |c_~#c~0.base| v_DerPreprocessor_56) .cse6 v_DerPreprocessor_54) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_55) .cse6 v_DerPreprocessor_54) |c_~#c~0.base| v_DerPreprocessor_56) .cse6 v_DerPreprocessor_54) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_55) .cse6 v_DerPreprocessor_54) |c_~#c~0.base| v_DerPreprocessor_56) .cse6 v_DerPreprocessor_54) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_55) .cse6 v_DerPreprocessor_54) |c_~#c~0.base| v_DerPreprocessor_56))) (let ((.cse7 (select .cse5 |ULTIMATE.start_list_add_~next~0#1.base|))) (and (= v_DerPreprocessor_54 (select .cse5 .cse6)) (= v_DerPreprocessor_55 .cse7) (exists ((v_DerPreprocessor_32 (Array (_ BitVec 32) (_ BitVec 32)))) (and (exists ((v_DerPreprocessor_30 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_31 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.base| .cse6 v_DerPreprocessor_30) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_31) .cse6 v_DerPreprocessor_30) |c_~#c~0.base| v_DerPreprocessor_32) .cse6 v_DerPreprocessor_30) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_31) .cse6 v_DerPreprocessor_30) |c_~#c~0.base| v_DerPreprocessor_32))) (let ((.cse14 (select .cse8 |ULTIMATE.start_list_add_~next~0#1.base|))) (and (= v_DerPreprocessor_30 (select .cse8 .cse6)) (exists ((v_prenex_17 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_25 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_24 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_26 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse13 (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.base| .cse6 v_prenex_16) |ULTIMATE.start_list_add_~next~0#1.base| v_prenex_17) .cse6 v_prenex_16) |c_~#c~0.base| v_prenex_18) .cse6 v_prenex_16) |ULTIMATE.start_list_add_~next~0#1.base| v_prenex_17) .cse6 v_prenex_16) |c_~#c~0.base| v_prenex_18)) (.cse10 (store (store (store (store (store (store (store (store .cse8 .cse6 v_DerPreprocessor_24) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_25) .cse6 v_DerPreprocessor_24) |c_~#c~0.base| v_DerPreprocessor_26) .cse6 v_DerPreprocessor_24) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_25) .cse6 v_DerPreprocessor_24) |c_~#c~0.base| v_DerPreprocessor_26))) (let ((.cse12 (select .cse10 |ULTIMATE.start_list_add_~next~0#1.base|)) (.cse11 (select .cse13 |ULTIMATE.start_list_add_~next~0#1.base|))) (and (= (select v_DerPreprocessor_26 .cse9) .cse6) (= v_DerPreprocessor_24 (select .cse10 .cse6)) (= (select |c_#memory_$Pointer$.base| |ULTIMATE.start_list_add_~next~0#1.base|) .cse11) (= .cse12 v_DerPreprocessor_25) (= v_prenex_16 (select .cse13 .cse6)) (= (select v_prenex_18 .cse9) .cse6) (= .cse11 v_prenex_17) (= .cse11 .cse12) (= .cse11 .cse14))))) (= v_DerPreprocessor_31 .cse14))))) (= .cse6 (select v_DerPreprocessor_32 .cse9)))) (= (select (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse6 v_DerPreprocessor_9) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_10) .cse6 v_DerPreprocessor_9) |c_~#c~0.base| v_DerPreprocessor_56) .cse6 v_DerPreprocessor_9) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_10) .cse6 v_DerPreprocessor_9) |c_~#c~0.base| v_DerPreprocessor_56) |ULTIMATE.start_list_add_~next~0#1.base|) .cse7) (= (select .cse15 .cse6) v_DerPreprocessor_12) (= (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_list_add_~next~0#1.base|) (select .cse15 |ULTIMATE.start_list_add_~next~0#1.base|))))))) (= (_ bv4 32) (select v_DerPreprocessor_42 .cse9)))) (and (exists ((v_DerPreprocessor_12 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_56 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_13 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_54 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse16 (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse6 v_DerPreprocessor_12) |c_~#c~0.base| v_DerPreprocessor_13) .cse6 v_DerPreprocessor_12) |c_~#c~0.base| .cse17) .cse6 v_DerPreprocessor_12) |c_~#c~0.base| v_DerPreprocessor_13) .cse6 v_DerPreprocessor_12) |c_~#c~0.base| .cse17))) (and (= v_DerPreprocessor_54 (select (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store .cse16 .cse6 v_DerPreprocessor_54) |c_~#c~0.base| v_DerPreprocessor_56) .cse6 v_DerPreprocessor_54) |c_~#c~0.base| v_DerPreprocessor_56) .cse6 v_DerPreprocessor_54) |c_~#c~0.base| v_DerPreprocessor_56) .cse6 v_DerPreprocessor_54) |c_~#c~0.base| v_DerPreprocessor_56) .cse6 v_DerPreprocessor_54) |c_~#c~0.base| v_DerPreprocessor_56) .cse6 v_DerPreprocessor_54) |c_~#c~0.base| v_DerPreprocessor_56) .cse6 v_DerPreprocessor_54) |c_~#c~0.base| v_DerPreprocessor_56) .cse6 v_DerPreprocessor_54) |c_~#c~0.base| v_DerPreprocessor_56) .cse6)) (= (select .cse16 .cse6) v_DerPreprocessor_12)))) (exists ((v_prenex_22 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_21 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_30 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_32 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse18 (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.base| .cse6 v_DerPreprocessor_30) |c_~#c~0.base| v_DerPreprocessor_32) .cse6 v_DerPreprocessor_30) |c_~#c~0.base| v_DerPreprocessor_32) .cse6 v_DerPreprocessor_30) |c_~#c~0.base| v_DerPreprocessor_32) .cse6 v_DerPreprocessor_30) |c_~#c~0.base| v_DerPreprocessor_32))) (and (= .cse6 (select v_prenex_21 .cse9)) (= v_prenex_22 (select (store (store (store (store (store (store (store (store .cse18 .cse6 v_prenex_22) |c_~#c~0.base| v_prenex_21) .cse6 v_prenex_22) |c_~#c~0.base| v_prenex_21) .cse6 v_prenex_22) |c_~#c~0.base| v_prenex_21) .cse6 v_prenex_22) |c_~#c~0.base| v_prenex_21) .cse6)) (= v_DerPreprocessor_30 (select .cse18 .cse6)) (= .cse6 (select v_DerPreprocessor_32 .cse9))))) .cse19)) .cse2 .cse4) (and (or (and .cse0 .cse1 .cse4) (and .cse1 .cse4 (or (and .cse19 (exists ((v_prenex_22 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_23 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_30 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_32 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse20 (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.base| .cse6 v_DerPreprocessor_30) |c_~#c~0.base| v_DerPreprocessor_32) .cse6 v_DerPreprocessor_30) |c_~#c~0.base| v_DerPreprocessor_32) .cse6 v_DerPreprocessor_30) |c_~#c~0.base| v_DerPreprocessor_32) .cse6 v_DerPreprocessor_30) |c_~#c~0.base| v_DerPreprocessor_32))) (and (= (select v_prenex_23 .cse9) .cse6) (= v_DerPreprocessor_30 (select .cse20 .cse6)) (= (select (store (store (store (store (store (store (store (store .cse20 .cse6 v_prenex_22) |c_~#c~0.base| v_prenex_23) .cse6 v_prenex_22) |c_~#c~0.base| v_prenex_23) .cse6 v_prenex_22) |c_~#c~0.base| v_prenex_23) .cse6 v_prenex_22) |c_~#c~0.base| v_prenex_23) .cse6) v_prenex_22) (= .cse6 (select v_DerPreprocessor_32 .cse9)))))) (and (exists ((v_DerPreprocessor_24 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_30 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse21 (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.base| .cse6 v_DerPreprocessor_30) |c_~#c~0.base| .cse22) .cse6 v_DerPreprocessor_30) |c_~#c~0.base| .cse22) .cse6 v_DerPreprocessor_30) |c_~#c~0.base| .cse22) .cse6 v_DerPreprocessor_30) |c_~#c~0.base| .cse22))) (and (= v_DerPreprocessor_30 (select .cse21 .cse6)) (= (select (store (store (store (store (store (store (store (store .cse21 .cse6 v_DerPreprocessor_24) |c_~#c~0.base| .cse22) .cse6 v_DerPreprocessor_24) |c_~#c~0.base| .cse22) .cse6 v_DerPreprocessor_24) |c_~#c~0.base| .cse22) .cse6 v_DerPreprocessor_24) |c_~#c~0.base| .cse22) .cse6) v_DerPreprocessor_24)))) (exists ((v_prenex_16 (Array (_ BitVec 32) (_ BitVec 32)))) (= v_prenex_16 (select (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.base| .cse6 v_prenex_16) |c_~#c~0.base| .cse22) .cse6 v_prenex_16) |c_~#c~0.base| .cse22) .cse6 v_prenex_16) |c_~#c~0.base| .cse22) .cse6 v_prenex_16) |c_~#c~0.base| .cse22) .cse6))))))) .cse2) (and (or (exists ((v_DerPreprocessor_45 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_16 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_63 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_40 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_62 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_43 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_276 (_ BitVec 32)) (v_prenex_169 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_166 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_165 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_167 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_164 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_171 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse23 (select v_DerPreprocessor_63 .cse9))) (let ((.cse28 (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse23 v_prenex_166) v_prenex_276 v_DerPreprocessor_16) .cse23 v_prenex_166) |c_~#c~0.base| v_DerPreprocessor_43) .cse23 v_prenex_166) v_prenex_276 v_DerPreprocessor_16) .cse23 v_prenex_166) |c_~#c~0.base| v_DerPreprocessor_43))) (let ((.cse24 (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store .cse28 .cse23 v_prenex_167) v_prenex_276 v_DerPreprocessor_40) .cse23 v_prenex_167) |c_~#c~0.base| .cse17) .cse23 v_prenex_167) v_prenex_276 v_DerPreprocessor_40) .cse23 v_prenex_167) |c_~#c~0.base| .cse17) .cse23 v_prenex_167) v_prenex_276 v_DerPreprocessor_40) .cse23 v_prenex_167) |c_~#c~0.base| .cse17) .cse23 v_prenex_167) v_prenex_276 v_DerPreprocessor_40) .cse23 v_prenex_167) |c_~#c~0.base| .cse17)) (.cse32 (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store .cse28 .cse23 v_prenex_164) v_prenex_276 v_DerPreprocessor_45) .cse23 v_prenex_164) |c_~#c~0.base| v_prenex_165) .cse23 v_prenex_164) v_prenex_276 v_DerPreprocessor_45) .cse23 v_prenex_164) |c_~#c~0.base| v_prenex_165) .cse23 v_prenex_164) v_prenex_276 v_DerPreprocessor_45) .cse23 v_prenex_164) |c_~#c~0.base| v_prenex_165) .cse23 v_prenex_164) v_prenex_276 v_DerPreprocessor_45) .cse23 v_prenex_164) |c_~#c~0.base| v_prenex_165))) (let ((.cse25 (select |c_#memory_$Pointer$.offset| .cse23)) (.cse27 (select |c_#memory_$Pointer$.offset| v_prenex_276)) (.cse26 (select .cse28 v_prenex_276)) (.cse31 (select .cse32 v_prenex_276)) (.cse30 (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse23 v_prenex_171) v_prenex_276 v_prenex_169) .cse23 v_prenex_171) |c_~#c~0.base| v_prenex_165) .cse23 v_prenex_171) v_prenex_276 v_prenex_169) .cse23 v_prenex_171) |c_~#c~0.base| v_prenex_165)) (.cse29 (select .cse24 v_prenex_276))) (and (= .cse23 .cse6) (= (select v_DerPreprocessor_43 .cse9) (_ bv4 32)) (= (select .cse24 .cse23) .cse25) (= .cse26 .cse27) (= (select .cse28 .cse23) .cse25) (= (bvadd (select |c_#valid| .cse23) (_ bv1 1)) (_ bv0 1)) (= .cse27 .cse29) (= .cse26 v_DerPreprocessor_16) (not (= .cse23 |c_~#c~0.base|)) (= (select .cse30 v_prenex_276) .cse31) (= v_DerPreprocessor_45 .cse31) (= (select .cse30 .cse23) (select .cse32 .cse23)) (= (select (store (store (let ((.cse33 (select |c_#memory_$Pointer$.base| v_prenex_276))) (store (store (store (store (store (store |c_#memory_$Pointer$.base| .cse23 v_DerPreprocessor_62) v_prenex_276 .cse33) .cse23 v_DerPreprocessor_62) |c_~#c~0.base| v_DerPreprocessor_63) .cse23 v_DerPreprocessor_62) v_prenex_276 .cse33)) .cse23 v_DerPreprocessor_62) |c_~#c~0.base| v_DerPreprocessor_63) .cse23) (select |c_#memory_$Pointer$.base| .cse23)) (not (= v_prenex_276 |c_~#c~0.base|)) (= v_DerPreprocessor_40 .cse29) (= (select |c_#length| .cse23) (_ bv12 32)))))))) (and .cse0 .cse1 (exists ((v_DerPreprocessor_66 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_list_add_~next~0#1.base| (_ BitVec 32)) (v_DerPreprocessor_65 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_64 (Array (_ BitVec 32) (_ BitVec 32)))) (and (= v_DerPreprocessor_66 (select (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.base| .cse6 v_DerPreprocessor_64) |c_~#c~0.base| v_DerPreprocessor_65) .cse6 v_DerPreprocessor_64) |c_~#c~0.base| v_DerPreprocessor_65) .cse6 v_DerPreprocessor_64) |c_~#c~0.base| v_DerPreprocessor_65) .cse6 v_DerPreprocessor_64) |c_~#c~0.base| v_DerPreprocessor_65) .cse6 v_DerPreprocessor_64) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_66) .cse6 v_DerPreprocessor_64) |c_~#c~0.base| v_DerPreprocessor_65) .cse6 v_DerPreprocessor_64) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_66) .cse6 v_DerPreprocessor_64) |c_~#c~0.base| v_DerPreprocessor_65) .cse6 v_DerPreprocessor_64) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_66) .cse6 v_DerPreprocessor_64) |c_~#c~0.base| v_DerPreprocessor_65) .cse6 v_DerPreprocessor_64) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_66) .cse6 v_DerPreprocessor_64) |c_~#c~0.base| v_DerPreprocessor_65) |ULTIMATE.start_list_add_~next~0#1.base|)) (not (= |ULTIMATE.start_list_add_~next~0#1.base| |c_~#c~0.base|)))) .cse4 .cse34)) .cse2) (and .cse0 .cse1 (exists ((v_DerPreprocessor_59 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_list_add_~next~0#1.base| (_ BitVec 32)) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_60 (Array (_ BitVec 32) (_ BitVec 32)))) (and (not (= |ULTIMATE.start_list_add_~next~0#1.base| |c_~#c~0.base|)) (= (select (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.base| .cse6 v_DerPreprocessor_59) |c_~#c~0.base| v_DerPreprocessor_60) .cse6 v_DerPreprocessor_59) |c_~#c~0.base| v_DerPreprocessor_60) .cse6 v_DerPreprocessor_59) |c_~#c~0.base| v_DerPreprocessor_60) .cse6 v_DerPreprocessor_59) |c_~#c~0.base| v_DerPreprocessor_60) .cse6 v_DerPreprocessor_59) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_61) .cse6 v_DerPreprocessor_59) |c_~#c~0.base| v_DerPreprocessor_60) .cse6 v_DerPreprocessor_59) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_61) .cse6 v_DerPreprocessor_59) |c_~#c~0.base| v_DerPreprocessor_60) .cse6 v_DerPreprocessor_59) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_61) .cse6 v_DerPreprocessor_59) |c_~#c~0.base| v_DerPreprocessor_60) .cse6 v_DerPreprocessor_59) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_61) .cse6 v_DerPreprocessor_59) |c_~#c~0.base| v_DerPreprocessor_60) |ULTIMATE.start_list_add_~next~0#1.base|) v_DerPreprocessor_61))) .cse2 .cse3 .cse4) (and .cse2 (exists ((v_DerPreprocessor_47 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_49 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_59 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_list_add_~next~0#1.base| (_ BitVec 32)) (v_prenex_172 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_61 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_174 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_60 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse35 (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_list_add_~next~0#1.base|) .cse9))) (and (= .cse35 .cse6) (= (bvadd (select |c_#valid| .cse35) (_ bv1 1)) (_ bv0 1)) (not (= .cse35 |c_~#c~0.base|)) (= (select |c_#length| .cse35) (_ bv12 32)) (= (select (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse35 v_DerPreprocessor_47) |c_~#c~0.base| v_DerPreprocessor_49) .cse35 v_DerPreprocessor_47) |c_~#c~0.base| v_DerPreprocessor_49) .cse35 v_DerPreprocessor_47) |c_~#c~0.base| v_DerPreprocessor_49) .cse35 v_DerPreprocessor_47) |c_~#c~0.base| v_DerPreprocessor_49) .cse35 v_DerPreprocessor_47) |c_~#c~0.base| v_DerPreprocessor_49) .cse35 v_DerPreprocessor_47) |c_~#c~0.base| v_DerPreprocessor_49) .cse35 v_DerPreprocessor_47) |c_~#c~0.base| v_DerPreprocessor_49) .cse35 v_DerPreprocessor_47) |c_~#c~0.base| v_DerPreprocessor_49) .cse35) (select (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse35 v_prenex_172) |c_~#c~0.base| v_prenex_174) .cse35 v_prenex_172) |c_~#c~0.base| v_DerPreprocessor_49) .cse35 v_prenex_172) |c_~#c~0.base| v_prenex_174) .cse35 v_prenex_172) |c_~#c~0.base| v_DerPreprocessor_49) .cse35)) (= (select (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.base| .cse35 v_DerPreprocessor_59) |c_~#c~0.base| v_DerPreprocessor_60) .cse35 v_DerPreprocessor_59) |c_~#c~0.base| v_DerPreprocessor_60) .cse35 v_DerPreprocessor_59) |c_~#c~0.base| v_DerPreprocessor_60) .cse35 v_DerPreprocessor_59) |c_~#c~0.base| v_DerPreprocessor_60) .cse35 v_DerPreprocessor_59) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_61) .cse35 v_DerPreprocessor_59) |c_~#c~0.base| v_DerPreprocessor_60) .cse35 v_DerPreprocessor_59) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_61) .cse35 v_DerPreprocessor_59) |c_~#c~0.base| v_DerPreprocessor_60) .cse35 v_DerPreprocessor_59) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_61) .cse35 v_DerPreprocessor_59) |c_~#c~0.base| v_DerPreprocessor_60) .cse35 v_DerPreprocessor_59) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_61) .cse35 v_DerPreprocessor_59) |c_~#c~0.base| v_DerPreprocessor_60) |ULTIMATE.start_list_add_~next~0#1.base|) v_DerPreprocessor_61))))) (and (or (exists ((v_DerPreprocessor_44 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_66 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_46 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_9 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_15 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_39 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_list_add_~next~0#1.base| (_ BitVec 32)) (v_DerPreprocessor_10 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_65 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_64 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse38 (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_list_add_~next~0#1.base|) .cse9))) (let ((.cse37 (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse38 v_DerPreprocessor_15) |c_~#c~0.base| .cse17) .cse38 v_DerPreprocessor_15) |c_~#c~0.base| .cse17) .cse38 v_DerPreprocessor_15) |c_~#c~0.base| .cse17) .cse38 v_DerPreprocessor_15) |c_~#c~0.base| .cse17)) (.cse36 (select |c_#memory_$Pointer$.offset| .cse38))) (and (= .cse36 (select (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store .cse37 .cse38 v_DerPreprocessor_39) |c_~#c~0.base| .cse17) .cse38 v_DerPreprocessor_39) |c_~#c~0.base| .cse17) .cse38 v_DerPreprocessor_39) |c_~#c~0.base| .cse17) .cse38 v_DerPreprocessor_39) |c_~#c~0.base| .cse17) .cse38 v_DerPreprocessor_39) |c_~#c~0.base| .cse17) .cse38 v_DerPreprocessor_39) |c_~#c~0.base| .cse17) .cse38 v_DerPreprocessor_39) |c_~#c~0.base| .cse17) .cse38 v_DerPreprocessor_39) |c_~#c~0.base| .cse17) .cse38)) (= .cse38 .cse6) (= (bvadd (select |c_#valid| .cse38) (_ bv1 1)) (_ bv0 1)) (= (select (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.base| .cse38 v_DerPreprocessor_64) |c_~#c~0.base| v_DerPreprocessor_65) .cse38 v_DerPreprocessor_64) |c_~#c~0.base| v_DerPreprocessor_65) .cse38 v_DerPreprocessor_64) |c_~#c~0.base| v_DerPreprocessor_65) .cse38 v_DerPreprocessor_64) |c_~#c~0.base| v_DerPreprocessor_65) .cse38 v_DerPreprocessor_64) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_66) .cse38 v_DerPreprocessor_64) |c_~#c~0.base| v_DerPreprocessor_65) .cse38 v_DerPreprocessor_64) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_66) .cse38 v_DerPreprocessor_64) |c_~#c~0.base| v_DerPreprocessor_65) .cse38 v_DerPreprocessor_64) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_66) .cse38 v_DerPreprocessor_64) |c_~#c~0.base| v_DerPreprocessor_65) .cse38 v_DerPreprocessor_64) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_66) .cse38 v_DerPreprocessor_64) |c_~#c~0.base| v_DerPreprocessor_65) |ULTIMATE.start_list_add_~next~0#1.base|) v_DerPreprocessor_66) (not (= .cse38 |c_~#c~0.base|)) (= (select |c_#length| .cse38) (_ bv12 32)) (= (select (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse38 v_DerPreprocessor_9) |c_~#c~0.base| v_DerPreprocessor_10) .cse38 v_DerPreprocessor_9) |c_~#c~0.base| v_DerPreprocessor_46) .cse38 v_DerPreprocessor_9) |c_~#c~0.base| v_DerPreprocessor_10) .cse38 v_DerPreprocessor_9) |c_~#c~0.base| v_DerPreprocessor_46) .cse38) (select (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store .cse37 .cse38 v_DerPreprocessor_44) |c_~#c~0.base| v_DerPreprocessor_46) .cse38 v_DerPreprocessor_44) |c_~#c~0.base| v_DerPreprocessor_46) .cse38 v_DerPreprocessor_44) |c_~#c~0.base| v_DerPreprocessor_46) .cse38 v_DerPreprocessor_44) |c_~#c~0.base| v_DerPreprocessor_46) .cse38 v_DerPreprocessor_44) |c_~#c~0.base| v_DerPreprocessor_46) .cse38 v_DerPreprocessor_44) |c_~#c~0.base| v_DerPreprocessor_46) .cse38 v_DerPreprocessor_44) |c_~#c~0.base| v_DerPreprocessor_46) .cse38 v_DerPreprocessor_44) |c_~#c~0.base| v_DerPreprocessor_46) .cse38)) (= (select .cse37 .cse38) .cse36))))) (exists ((v_DerPreprocessor_45 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_16 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_63 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_40 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_62 (Array (_ BitVec 32) (_ BitVec 32))) (v_DerPreprocessor_43 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_169 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_166 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_165 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_167 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_list_add_~next~0#1.base| (_ BitVec 32)) (v_prenex_164 (Array (_ BitVec 32) (_ BitVec 32))) (v_prenex_171 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse49 (select |c_#memory_$Pointer$.base| |ULTIMATE.start_list_add_~next~0#1.base|))) (let ((.cse44 (select .cse49 .cse9))) (let ((.cse45 (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse44 v_prenex_166) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_16) .cse44 v_prenex_166) |c_~#c~0.base| v_DerPreprocessor_43) .cse44 v_prenex_166) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_16) .cse44 v_prenex_166) |c_~#c~0.base| v_DerPreprocessor_43))) (let ((.cse47 (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store .cse45 .cse44 v_prenex_167) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_40) .cse44 v_prenex_167) |c_~#c~0.base| .cse17) .cse44 v_prenex_167) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_40) .cse44 v_prenex_167) |c_~#c~0.base| .cse17) .cse44 v_prenex_167) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_40) .cse44 v_prenex_167) |c_~#c~0.base| .cse17) .cse44 v_prenex_167) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_40) .cse44 v_prenex_167) |c_~#c~0.base| .cse17)) (.cse48 (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store .cse45 .cse44 v_prenex_164) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_45) .cse44 v_prenex_164) |c_~#c~0.base| v_prenex_165) .cse44 v_prenex_164) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_45) .cse44 v_prenex_164) |c_~#c~0.base| v_prenex_165) .cse44 v_prenex_164) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_45) .cse44 v_prenex_164) |c_~#c~0.base| v_prenex_165) .cse44 v_prenex_164) |ULTIMATE.start_list_add_~next~0#1.base| v_DerPreprocessor_45) .cse44 v_prenex_164) |c_~#c~0.base| v_prenex_165))) (let ((.cse40 (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_list_add_~next~0#1.base|)) (.cse43 (select .cse48 |ULTIMATE.start_list_add_~next~0#1.base|)) (.cse41 (select .cse47 |ULTIMATE.start_list_add_~next~0#1.base|)) (.cse39 (select .cse45 |ULTIMATE.start_list_add_~next~0#1.base|)) (.cse46 (select |c_#memory_$Pointer$.offset| .cse44)) (.cse42 (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.offset| .cse44 v_prenex_171) |ULTIMATE.start_list_add_~next~0#1.base| v_prenex_169) .cse44 v_prenex_171) |c_~#c~0.base| v_prenex_165) .cse44 v_prenex_171) |ULTIMATE.start_list_add_~next~0#1.base| v_prenex_169) .cse44 v_prenex_171) |c_~#c~0.base| v_prenex_165))) (and (= .cse39 .cse40) (= .cse41 .cse40) (= (select v_DerPreprocessor_43 .cse9) (_ bv4 32)) (= (select .cse42 |ULTIMATE.start_list_add_~next~0#1.base|) .cse43) (= (select v_DerPreprocessor_63 .cse9) .cse44) (= .cse44 .cse6) (= v_DerPreprocessor_45 .cse43) (= (bvadd (select |c_#valid| .cse44) (_ bv1 1)) (_ bv0 1)) (= (select .cse45 .cse44) .cse46) (not (= |ULTIMATE.start_list_add_~next~0#1.base| |c_~#c~0.base|)) (= .cse41 v_DerPreprocessor_40) (= .cse39 v_DerPreprocessor_16) (= .cse46 (select .cse47 .cse44)) (not (= .cse44 |c_~#c~0.base|)) (= (select |c_#length| .cse44) (_ bv12 32)) (= (select .cse42 .cse44) (select .cse48 .cse44)) (= (select |c_#memory_$Pointer$.base| .cse44) (select (store (store (store (store (store (store (store (store |c_#memory_$Pointer$.base| .cse44 v_DerPreprocessor_62) |ULTIMATE.start_list_add_~next~0#1.base| .cse49) .cse44 v_DerPreprocessor_62) |c_~#c~0.base| v_DerPreprocessor_63) .cse44 v_DerPreprocessor_62) |ULTIMATE.start_list_add_~next~0#1.base| .cse49) .cse44 v_DerPreprocessor_62) |c_~#c~0.base| v_DerPreprocessor_63) .cse44)))))))))) .cse2) (and .cse0 .cse1 .cse2 .cse4 .cse34))))) (= |c_~#c~0.offset| (_ bv0 32)) (= (_ bv0 1) (bvadd (select |c_#valid| |c_~#c~0.base|) (_ bv1 1))) (= (_ bv0 32) |c_ULTIMATE.start_main_~i~0#1|) (= |c_~#c~0.base| (_ bv1 32))) is different from true [2022-12-14 08:54:39,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-12-14 08:54:39,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:54:39,793 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd |c_~#c~0.offset| (bvmul (_ bv8 32) |c_ULTIMATE.start_main_~i~0#1|)))) (and (forall ((|v_ULTIMATE.start_INIT_LIST_HEAD_~list#1.base_104| (_ BitVec 32))) (or (forall ((v_ArrVal_660 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_INIT_LIST_HEAD_~list#1.base_104| v_ArrVal_660) |c_~#c~0.base|) .cse1))) (bvule (bvadd (_ bv4 32) .cse0) (bvadd (_ bv8 32) .cse0)))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_INIT_LIST_HEAD_~list#1.base_104|))))) (forall ((|v_ULTIMATE.start_INIT_LIST_HEAD_~list#1.base_104| (_ BitVec 32))) (or (forall ((v_ArrVal_660 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_659 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_661 (_ BitVec 32))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_INIT_LIST_HEAD_~list#1.base_104| v_ArrVal_660) |c_~#c~0.base|) .cse1)) (select (store |c_#length| |v_ULTIMATE.start_INIT_LIST_HEAD_~list#1.base_104| v_ArrVal_661) (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_INIT_LIST_HEAD_~list#1.base_104| v_ArrVal_659) |c_~#c~0.base|) .cse1)))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_INIT_LIST_HEAD_~list#1.base_104|))))))) is different from false [2022-12-14 08:54:39,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 317 treesize of output 301 [2022-12-14 08:54:39,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 287 treesize of output 251 [2022-12-14 08:54:39,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 185 [2022-12-14 08:54:39,866 INFO L321 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2022-12-14 08:54:39,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 203 treesize of output 1 [2022-12-14 08:54:39,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:39,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2105611325] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 08:54:39,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:54:39,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3, 3, 2] total 9 [2022-12-14 08:54:39,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501676160] [2022-12-14 08:54:39,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:54:39,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:54:39,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:54:39,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:54:39,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=30, Unknown=3, NotChecked=36, Total=90 [2022-12-14 08:54:39,868 INFO L87 Difference]: Start difference. First operand 822 states and 2310 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-14 08:54:41,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:54:41,018 INFO L93 Difference]: Finished difference Result 823 states and 2313 transitions. [2022-12-14 08:54:41,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:54:41,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 08:54:41,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:54:41,021 INFO L225 Difference]: With dead ends: 823 [2022-12-14 08:54:41,021 INFO L226 Difference]: Without dead ends: 823 [2022-12-14 08:54:41,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=30, Unknown=3, NotChecked=36, Total=90 [2022-12-14 08:54:41,022 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 52 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:54:41,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 52 Unchecked, 1.1s Time] [2022-12-14 08:54:41,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2022-12-14 08:54:41,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 823. [2022-12-14 08:54:41,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 675 states have (on average 3.4266666666666667) internal successors, (2313), 822 states have internal predecessors, (2313), 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) [2022-12-14 08:54:41,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 2313 transitions. [2022-12-14 08:54:41,035 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 2313 transitions. Word has length 4 [2022-12-14 08:54:41,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:54:41,036 INFO L495 AbstractCegarLoop]: Abstraction has 823 states and 2313 transitions. [2022-12-14 08:54:41,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-14 08:54:41,036 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 2313 transitions. [2022-12-14 08:54:41,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 08:54:41,036 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:54:41,036 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 08:54:41,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-14 08:54:41,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2022-12-14 08:54:41,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 08:54:41,438 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [fErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 48 more)] === [2022-12-14 08:54:41,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:54:41,439 INFO L85 PathProgramCache]: Analyzing trace with hash 24388806, now seen corresponding path program 1 times [2022-12-14 08:54:41,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:54:41,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076673054] [2022-12-14 08:54:41,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:54:41,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:54:41,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:54:41,444 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 08:54:41,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-14 08:54:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:54:41,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-14 08:54:41,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:54:42,824 INFO L321 Elim1Store]: treesize reduction 188, result has 31.1 percent of original size [2022-12-14 08:54:42,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 506 treesize of output 589 [2022-12-14 08:54:42,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 08:54:42,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-12-14 08:54:42,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-12-14 08:54:42,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-12-14 08:54:43,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2022-12-14 08:54:44,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:54:44,708 INFO L321 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2022-12-14 08:54:44,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 422 treesize of output 385 [2022-12-14 08:54:44,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 08:54:44,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:54:44,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 119 [2022-12-14 08:54:44,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 08:54:44,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 08:54:44,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 08:54:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:45,815 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:54:45,815 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:54:45,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076673054] [2022-12-14 08:54:45,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076673054] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:54:45,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:54:45,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:54:45,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806248437] [2022-12-14 08:54:45,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:54:45,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:54:45,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:54:45,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:54:45,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:54:45,816 INFO L87 Difference]: Start difference. First operand 823 states and 2313 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-14 08:54:47,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:54:49,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:54:49,227 INFO L93 Difference]: Finished difference Result 823 states and 2311 transitions. [2022-12-14 08:54:49,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:54:49,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 08:54:49,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:54:49,231 INFO L225 Difference]: With dead ends: 823 [2022-12-14 08:54:49,231 INFO L226 Difference]: Without dead ends: 823 [2022-12-14 08:54:49,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:54:49,232 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 47 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 08:54:49,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 1 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 3 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 08:54:49,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2022-12-14 08:54:49,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 822. [2022-12-14 08:54:49,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 674 states have (on average 3.4258160237388724) internal successors, (2309), 821 states have internal predecessors, (2309), 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) [2022-12-14 08:54:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 2309 transitions. [2022-12-14 08:54:49,247 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 2309 transitions. Word has length 4 [2022-12-14 08:54:49,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:54:49,247 INFO L495 AbstractCegarLoop]: Abstraction has 822 states and 2309 transitions. [2022-12-14 08:54:49,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-14 08:54:49,248 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 2309 transitions. [2022-12-14 08:54:49,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 08:54:49,248 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:54:49,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 08:54:49,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-14 08:54:49,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:54:49,449 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [fErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 48 more)] === [2022-12-14 08:54:49,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:54:49,450 INFO L85 PathProgramCache]: Analyzing trace with hash 24386204, now seen corresponding path program 1 times [2022-12-14 08:54:49,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:54:49,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575384922] [2022-12-14 08:54:49,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:54:49,450 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:54:49,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:54:49,451 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 08:54:49,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-14 08:54:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:54:49,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 08:54:49,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:54:49,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:49,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:54:49,566 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:54:49,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575384922] [2022-12-14 08:54:49,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1575384922] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:54:49,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:54:49,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:54:49,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098879757] [2022-12-14 08:54:49,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:54:49,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:54:49,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:54:49,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:54:49,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:54:49,568 INFO L87 Difference]: Start difference. First operand 822 states and 2309 transitions. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-14 08:54:51,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:54:51,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:54:51,820 INFO L93 Difference]: Finished difference Result 824 states and 2309 transitions. [2022-12-14 08:54:51,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:54:51,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 08:54:51,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:54:51,823 INFO L225 Difference]: With dead ends: 824 [2022-12-14 08:54:51,823 INFO L226 Difference]: Without dead ends: 824 [2022-12-14 08:54:51,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:54:51,824 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 3 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:54:51,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-14 08:54:51,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2022-12-14 08:54:51,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 823. [2022-12-14 08:54:51,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 675 states have (on average 3.4207407407407406) internal successors, (2309), 822 states have internal predecessors, (2309), 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) [2022-12-14 08:54:51,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 2309 transitions. [2022-12-14 08:54:51,835 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 2309 transitions. Word has length 4 [2022-12-14 08:54:51,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:54:51,836 INFO L495 AbstractCegarLoop]: Abstraction has 823 states and 2309 transitions. [2022-12-14 08:54:51,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-14 08:54:51,836 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 2309 transitions. [2022-12-14 08:54:51,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 08:54:51,836 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:54:51,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 08:54:51,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-14 08:54:52,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:54:52,038 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [fErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 48 more)] === [2022-12-14 08:54:52,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:54:52,040 INFO L85 PathProgramCache]: Analyzing trace with hash 756051242, now seen corresponding path program 1 times [2022-12-14 08:54:52,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:54:52,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805853139] [2022-12-14 08:54:52,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:54:52,043 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:54:52,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:54:52,046 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 08:54:52,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-12-14 08:54:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:54:52,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:54:52,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:54:52,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:52,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:54:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:52,320 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:54:52,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805853139] [2022-12-14 08:54:52,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1805853139] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:54:52,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1379479344] [2022-12-14 08:54:52,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:54:52,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 08:54:52,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 08:54:52,321 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 08:54:52,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2022-12-14 08:54:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:54:52,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:54:52,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:54:52,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:52,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:54:52,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:52,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1379479344] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:54:52,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515073851] [2022-12-14 08:54:52,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:54:52,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:54:52,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:54:52,609 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:54:52,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 08:54:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:54:52,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:54:52,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:54:52,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:52,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:54:52,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:52,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515073851] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:54:52,761 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 08:54:52,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 6 [2022-12-14 08:54:52,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274977097] [2022-12-14 08:54:52,761 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 08:54:52,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:54:52,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:54:52,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:54:52,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:54:52,762 INFO L87 Difference]: Start difference. First operand 823 states and 2309 transitions. Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2022-12-14 08:54:54,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:54:55,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:54:55,898 INFO L93 Difference]: Finished difference Result 832 states and 2318 transitions. [2022-12-14 08:54:55,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:54:55,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 08:54:55,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:54:55,901 INFO L225 Difference]: With dead ends: 832 [2022-12-14 08:54:55,902 INFO L226 Difference]: Without dead ends: 832 [2022-12-14 08:54:55,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-12-14 08:54:55,902 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 9 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:54:55,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 4 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 08:54:55,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2022-12-14 08:54:55,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 829. [2022-12-14 08:54:55,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 681 states have (on average 3.4038179148311305) internal successors, (2318), 828 states have internal predecessors, (2318), 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) [2022-12-14 08:54:55,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 2318 transitions. [2022-12-14 08:54:55,914 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 2318 transitions. Word has length 5 [2022-12-14 08:54:55,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:54:55,914 INFO L495 AbstractCegarLoop]: Abstraction has 829 states and 2318 transitions. [2022-12-14 08:54:55,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2022-12-14 08:54:55,914 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 2318 transitions. [2022-12-14 08:54:55,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 08:54:55,914 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:54:55,914 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1] [2022-12-14 08:54:55,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2022-12-14 08:54:56,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-14 08:54:56,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-12-14 08:54:56,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:54:56,518 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [fErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 48 more)] === [2022-12-14 08:54:56,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:54:56,519 INFO L85 PathProgramCache]: Analyzing trace with hash 792415772, now seen corresponding path program 2 times [2022-12-14 08:54:56,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:54:56,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [587154596] [2022-12-14 08:54:56,521 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 08:54:56,521 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:54:56,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:54:56,523 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 08:54:56,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-12-14 08:54:57,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 08:54:57,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 08:54:57,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 08:54:57,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:54:57,163 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:57,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:54:57,284 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:57,284 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:54:57,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [587154596] [2022-12-14 08:54:57,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [587154596] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:54:57,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2061428711] [2022-12-14 08:54:57,285 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 08:54:57,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 08:54:57,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 08:54:57,286 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 08:54:57,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2022-12-14 08:54:58,191 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 08:54:58,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 08:54:58,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 08:54:58,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:54:58,218 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:58,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:54:58,239 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:58,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2061428711] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:54:58,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680752119] [2022-12-14 08:54:58,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 08:54:58,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:54:58,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:54:58,241 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:54:58,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-14 08:54:58,531 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 08:54:58,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 08:54:58,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 08:54:58,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:54:58,568 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:58,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:54:58,590 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:54:58,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680752119] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:54:58,590 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 08:54:58,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7, 7, 7] total 12 [2022-12-14 08:54:58,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898806436] [2022-12-14 08:54:58,590 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 08:54:58,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 08:54:58,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:54:58,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 08:54:58,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-14 08:54:58,592 INFO L87 Difference]: Start difference. First operand 829 states and 2318 transitions. Second operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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) [2022-12-14 08:55:05,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:55:07,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:55:08,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:55:12,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:55:14,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:55:16,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:55:17,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:55:18,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:55:21,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:55:23,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:55:26,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:55:26,204 INFO L93 Difference]: Finished difference Result 850 states and 2336 transitions. [2022-12-14 08:55:26,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 08:55:26,208 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 08:55:26,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:55:26,211 INFO L225 Difference]: With dead ends: 850 [2022-12-14 08:55:26,211 INFO L226 Difference]: Without dead ends: 850 [2022-12-14 08:55:26,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-12-14 08:55:26,211 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 29 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-12-14 08:55:26,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 6 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 27.4s Time] [2022-12-14 08:55:26,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2022-12-14 08:55:26,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 841. [2022-12-14 08:55:26,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 693 states have (on average 3.370851370851371) internal successors, (2336), 840 states have internal predecessors, (2336), 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) [2022-12-14 08:55:26,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 2336 transitions. [2022-12-14 08:55:26,223 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 2336 transitions. Word has length 8 [2022-12-14 08:55:26,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:55:26,223 INFO L495 AbstractCegarLoop]: Abstraction has 841 states and 2336 transitions. [2022-12-14 08:55:26,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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) [2022-12-14 08:55:26,224 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 2336 transitions. [2022-12-14 08:55:26,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 08:55:26,224 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:55:26,224 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1] [2022-12-14 08:55:26,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2022-12-14 08:55:26,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-12-14 08:55:26,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-12-14 08:55:26,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:55:26,827 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [fErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, fErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 48 more)] === [2022-12-14 08:55:26,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:55:26,828 INFO L85 PathProgramCache]: Analyzing trace with hash 456741724, now seen corresponding path program 3 times [2022-12-14 08:55:26,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:55:26,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1342707708] [2022-12-14 08:55:26,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 08:55:26,829 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:55:26,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:55:26,830 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 08:55:26,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-12-14 08:55:31,617 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-12-14 08:55:31,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 08:55:31,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 1690 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 08:55:31,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:55:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:55:31,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:55:32,525 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:55:32,526 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:55:32,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1342707708] [2022-12-14 08:55:32,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1342707708] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:55:32,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [287153480] [2022-12-14 08:55:32,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 08:55:32,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 08:55:32,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 08:55:32,527 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 08:55:32,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c6c109-8a85-443c-828e-3b53d1587d57/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process