./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.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_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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 fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db --- 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 04:50:23,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:50:23,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:50:23,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:50:23,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:50:23,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:50:23,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:50:23,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:50:23,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:50:23,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:50:23,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:50:23,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:50:23,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:50:23,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:50:23,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:50:23,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:50:23,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:50:23,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:50:23,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:50:23,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:50:23,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:50:23,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:50:23,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:50:23,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:50:23,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:50:23,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:50:23,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:50:23,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:50:23,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:50:23,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:50:23,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:50:23,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:50:23,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:50:23,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:50:23,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:50:23,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:50:23,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:50:23,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:50:23,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:50:23,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:50:23,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:50:23,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 04:50:23,853 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:50:23,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:50:23,853 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:50:23,853 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:50:23,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:50:23,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:50:23,854 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:50:23,855 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:50:23,855 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:50:23,855 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:50:23,855 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:50:23,855 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:50:23,856 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:50:23,856 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:50:23,856 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:50:23,856 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:50:23,856 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:50:23,857 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:50:23,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 04:50:23,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 04:50:23,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:50:23,858 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 04:50:23,858 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 04:50:23,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:50:23,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 04:50:23,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:50:23,859 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 04:50:23,859 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 04:50:23,859 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 04:50:23,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:50:23,859 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 04:50:23,860 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 04:50:23,860 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:50:23,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:50:23,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:50:23,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:50:23,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:50:23,861 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:50:23,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:50:23,861 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:50:23,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:50:23,862 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:50:23,862 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_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db [2022-12-14 04:50:24,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:50:24,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:50:24,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:50:24,087 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:50:24,087 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:50:24,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2022-12-14 04:50:26,680 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:50:26,953 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:50:26,954 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2022-12-14 04:50:26,978 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/data/32108478b/ecdd2fd95c664edc97b084f037b09a0d/FLAG5eb94a70c [2022-12-14 04:50:26,991 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/data/32108478b/ecdd2fd95c664edc97b084f037b09a0d [2022-12-14 04:50:26,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:50:26,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:50:26,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:50:26,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:50:26,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:50:27,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:50:26" (1/1) ... [2022-12-14 04:50:27,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708f8ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:27, skipping insertion in model container [2022-12-14 04:50:27,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:50:26" (1/1) ... [2022-12-14 04:50:27,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:50:27,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:50:27,526 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/sv-benchmarks/c/ldv-races/race-2_1-container_of.i[76077,76090] [2022-12-14 04:50:27,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:50:27,564 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 04:50:27,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1fd53359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:27, skipping insertion in model container [2022-12-14 04:50:27,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:50:27,565 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 04:50:27,566 INFO L158 Benchmark]: Toolchain (without parser) took 570.65ms. Allocated memory is still 130.0MB. Free memory was 71.4MB in the beginning and 98.0MB in the end (delta: -26.6MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-12-14 04:50:27,566 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 130.0MB. Free memory was 85.2MB in the beginning and 85.0MB in the end (delta: 180.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 04:50:27,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.31ms. Allocated memory is still 130.0MB. Free memory was 71.1MB in the beginning and 98.4MB in the end (delta: -27.3MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-12-14 04:50:27,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 130.0MB. Free memory was 85.2MB in the beginning and 85.0MB in the end (delta: 180.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.31ms. Allocated memory is still 130.0MB. Free memory was 71.1MB in the beginning and 98.4MB in the end (delta: -27.3MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1709]: 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_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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 fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db --- 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 04:50:29,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:50:29,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:50:29,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:50:29,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:50:29,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:50:29,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:50:29,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:50:29,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:50:29,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:50:29,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:50:29,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:50:29,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:50:29,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:50:29,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:50:29,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:50:29,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:50:29,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:50:29,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:50:29,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:50:29,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:50:29,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:50:29,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:50:29,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:50:29,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:50:29,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:50:29,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:50:29,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:50:29,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:50:29,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:50:29,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:50:29,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:50:29,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:50:29,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:50:29,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:50:29,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:50:29,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:50:29,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:50:29,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:50:29,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:50:29,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:50:29,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-12-14 04:50:29,201 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:50:29,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:50:29,202 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:50:29,202 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:50:29,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:50:29,202 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:50:29,202 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:50:29,202 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:50:29,203 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:50:29,203 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:50:29,203 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:50:29,203 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:50:29,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 04:50:29,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 04:50:29,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:50:29,204 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 04:50:29,204 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 04:50:29,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:50:29,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 04:50:29,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:50:29,204 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 04:50:29,204 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 04:50:29,204 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 04:50:29,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:50:29,204 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 04:50:29,205 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 04:50:29,205 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 04:50:29,205 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 04:50:29,205 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:50:29,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:50:29,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 04:50:29,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:50:29,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:50:29,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:50:29,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:50:29,210 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 04:50:29,210 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 04:50:29,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:50:29,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 04:50:29,210 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_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db [2022-12-14 04:50:29,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:50:29,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:50:29,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:50:29,441 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:50:29,442 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:50:29,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2022-12-14 04:50:32,029 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:50:32,243 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:50:32,244 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2022-12-14 04:50:32,256 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/data/68bbbb7a6/6f2a45600b244086b19763d7f0c8cbbe/FLAG1a05da82f [2022-12-14 04:50:32,267 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/data/68bbbb7a6/6f2a45600b244086b19763d7f0c8cbbe [2022-12-14 04:50:32,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:50:32,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:50:32,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:50:32,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:50:32,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:50:32,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:50:32" (1/1) ... [2022-12-14 04:50:32,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20927779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:32, skipping insertion in model container [2022-12-14 04:50:32,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:50:32" (1/1) ... [2022-12-14 04:50:32,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:50:32,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:50:32,868 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/sv-benchmarks/c/ldv-races/race-2_1-container_of.i[76077,76090] [2022-12-14 04:50:32,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:50:32,921 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 04:50:32,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:50:32,969 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/sv-benchmarks/c/ldv-races/race-2_1-container_of.i[76077,76090] [2022-12-14 04:50:32,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:50:32,984 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:50:33,025 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/sv-benchmarks/c/ldv-races/race-2_1-container_of.i[76077,76090] [2022-12-14 04:50:33,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:50:33,162 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:50:33,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:33 WrapperNode [2022-12-14 04:50:33,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:50:33,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:50:33,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:50:33,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:50:33,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:33" (1/1) ... [2022-12-14 04:50:33,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:33" (1/1) ... [2022-12-14 04:50:33,219 INFO L138 Inliner]: procedures = 486, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 131 [2022-12-14 04:50:33,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:50:33,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:50:33,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:50:33,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:50:33,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:33" (1/1) ... [2022-12-14 04:50:33,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:33" (1/1) ... [2022-12-14 04:50:33,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:33" (1/1) ... [2022-12-14 04:50:33,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:33" (1/1) ... [2022-12-14 04:50:33,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:33" (1/1) ... [2022-12-14 04:50:33,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:33" (1/1) ... [2022-12-14 04:50:33,253 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:33" (1/1) ... [2022-12-14 04:50:33,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:33" (1/1) ... [2022-12-14 04:50:33,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:50:33,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:50:33,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:50:33,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:50:33,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:33" (1/1) ... [2022-12-14 04:50:33,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:50:33,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:50:33,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:50:33,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:50:33,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:50:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 04:50:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 04:50:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 04:50:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:50:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 04:50:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:50:33,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:50:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 04:50:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-12-14 04:50:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-12-14 04:50:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:50:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 04:50:33,327 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 04:50:33,600 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:50:33,602 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:50:34,059 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:50:34,067 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:50:34,067 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 04:50:34,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:50:34 BoogieIcfgContainer [2022-12-14 04:50:34,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:50:34,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:50:34,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:50:34,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:50:34,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:50:32" (1/3) ... [2022-12-14 04:50:34,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dca47ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:50:34, skipping insertion in model container [2022-12-14 04:50:34,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:33" (2/3) ... [2022-12-14 04:50:34,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dca47ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:50:34, skipping insertion in model container [2022-12-14 04:50:34,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:50:34" (3/3) ... [2022-12-14 04:50:34,078 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2022-12-14 04:50:34,091 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:50:34,092 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2022-12-14 04:50:34,092 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 04:50:34,171 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-14 04:50:34,204 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 04:50:34,215 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 241 transitions, 498 flow [2022-12-14 04:50:34,218 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 241 transitions, 498 flow [2022-12-14 04:50:34,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 239 places, 241 transitions, 498 flow [2022-12-14 04:50:34,314 INFO L130 PetriNetUnfolder]: 10/298 cut-off events. [2022-12-14 04:50:34,314 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 04:50:34,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 298 events. 10/298 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 726 event pairs, 0 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 171. Up to 4 conditions per place. [2022-12-14 04:50:34,323 INFO L119 LiptonReduction]: Number of co-enabled transitions 6440 [2022-12-14 04:51:23,658 WARN L233 SmtUtils]: Spent 6.62s on a formula simplification. DAG size of input: 137 DAG size of output: 134 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 04:51:32,469 WARN L233 SmtUtils]: Spent 6.46s on a formula simplification. DAG size of input: 137 DAG size of output: 134 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 04:51:59,556 WARN L233 SmtUtils]: Spent 7.05s on a formula simplification. DAG size of input: 160 DAG size of output: 158 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 04:52:11,411 WARN L233 SmtUtils]: Spent 8.59s on a formula simplification. DAG size of input: 169 DAG size of output: 165 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 04:53:31,874 WARN L233 SmtUtils]: Spent 1.27m on a formula simplification. DAG size of input: 208 DAG size of output: 206 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 04:54:04,294 WARN L233 SmtUtils]: Spent 32.42s on a formula simplification that was a NOOP. DAG size: 184 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 04:55:35,540 WARN L233 SmtUtils]: Spent 1.52m on a formula simplification. DAG size of input: 217 DAG size of output: 213 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 04:56:17,842 WARN L233 SmtUtils]: Spent 42.30s on a formula simplification that was a NOOP. DAG size: 190 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 04:56:24,709 WARN L233 SmtUtils]: Spent 6.86s on a formula simplification. DAG size of input: 157 DAG size of output: 155 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 04:56:34,956 WARN L233 SmtUtils]: Spent 7.65s on a formula simplification. DAG size of input: 166 DAG size of output: 162 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 04:56:45,693 WARN L233 SmtUtils]: Spent 7.52s on a formula simplification. DAG size of input: 165 DAG size of output: 163 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 04:56:58,224 WARN L233 SmtUtils]: Spent 9.31s on a formula simplification. DAG size of input: 174 DAG size of output: 170 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 04:57:30,863 WARN L233 SmtUtils]: Spent 28.26s on a formula simplification. DAG size of input: 236 DAG size of output: 228 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 04:57:43,452 WARN L233 SmtUtils]: Spent 12.59s on a formula simplification that was a NOOP. DAG size: 222 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 04:57:58,442 WARN L233 SmtUtils]: Spent 14.99s on a formula simplification. DAG size of input: 242 DAG size of output: 234 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 04:58:05,849 WARN L233 SmtUtils]: Spent 7.40s on a formula simplification that was a NOOP. DAG size: 228 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:00:42,307 WARN L233 SmtUtils]: Spent 2.61m on a formula simplification. DAG size of input: 272 DAG size of output: 260 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:02:03,332 WARN L233 SmtUtils]: Spent 1.35m on a formula simplification that was a NOOP. DAG size: 254 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:04:33,829 WARN L233 SmtUtils]: Spent 2.51m on a formula simplification. DAG size of input: 278 DAG size of output: 263 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:05:43,075 WARN L233 SmtUtils]: Spent 1.15m on a formula simplification that was a NOOP. DAG size: 257 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:05:43,106 INFO L134 LiptonReduction]: Checked pairs total: 25904 [2022-12-14 05:05:43,106 INFO L136 LiptonReduction]: Total number of compositions: 284 [2022-12-14 05:05:43,111 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 88 places, 85 transitions, 186 flow [2022-12-14 05:05:43,194 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3633 states, 2823 states have (on average 3.575274530641162) internal successors, (10093), 3632 states have internal predecessors, (10093), 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 05:05:43,208 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:05:43,211 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;@6f187e5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:05:43,212 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2022-12-14 05:05:43,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 3633 states, 2823 states have (on average 3.575274530641162) internal successors, (10093), 3632 states have internal predecessors, (10093), 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 05:05:43,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 05:05:43,222 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:05:43,223 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 05:05:43,223 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 56 more)] === [2022-12-14 05:05:43,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:05:43,227 INFO L85 PathProgramCache]: Analyzing trace with hash 839, now seen corresponding path program 1 times [2022-12-14 05:05:43,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:05:43,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455529968] [2022-12-14 05:05:43,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:05:43,240 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 05:05:43,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:05:43,242 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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 05:05:43,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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 05:05:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:05:43,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 05:05:43,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:05:43,333 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 05:05:43,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:05:43,334 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:05:43,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455529968] [2022-12-14 05:05:43,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455529968] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:05:43,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:05:43,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 05:05:43,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154758823] [2022-12-14 05:05:43,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:05:43,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 05:05:43,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:05:43,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 05:05:43,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:05:43,369 INFO L87 Difference]: Start difference. First operand has 3633 states, 2823 states have (on average 3.575274530641162) internal successors, (10093), 3632 states have internal predecessors, (10093), 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 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 05:05:44,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:05:44,145 INFO L93 Difference]: Finished difference Result 3185 states and 8707 transitions. [2022-12-14 05:05:44,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 05:05:44,148 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2022-12-14 05:05:44,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:05:44,169 INFO L225 Difference]: With dead ends: 3185 [2022-12-14 05:05:44,169 INFO L226 Difference]: Without dead ends: 3179 [2022-12-14 05:05:44,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:05:44,177 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:05:44,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 05:05:44,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3179 states. [2022-12-14 05:05:44,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3179 to 3179. [2022-12-14 05:05:44,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3179 states, 2534 states have (on average 3.430544593528019) internal successors, (8693), 3178 states have internal predecessors, (8693), 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 05:05:44,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 3179 states and 8693 transitions. [2022-12-14 05:05:44,332 INFO L78 Accepts]: Start accepts. Automaton has 3179 states and 8693 transitions. Word has length 1 [2022-12-14 05:05:44,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:05:44,333 INFO L495 AbstractCegarLoop]: Abstraction has 3179 states and 8693 transitions. [2022-12-14 05:05:44,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 05:05:44,333 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 8693 transitions. [2022-12-14 05:05:44,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 05:05:44,333 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:05:44,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-12-14 05:05:44,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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 05:05:44,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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 05:05:44,534 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 56 more)] === [2022-12-14 05:05:44,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:05:44,535 INFO L85 PathProgramCache]: Analyzing trace with hash 26988, now seen corresponding path program 1 times [2022-12-14 05:05:44,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:05:44,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738847548] [2022-12-14 05:05:44,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:05:44,536 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 05:05:44,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:05:44,537 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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 05:05:44,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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 05:05:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:05:44,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:05:44,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:05:44,689 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 05:05:44,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:05:44,689 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:05:44,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738847548] [2022-12-14 05:05:44,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738847548] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:05:44,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:05:44,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 05:05:44,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244634708] [2022-12-14 05:05:44,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:05:44,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:05:44,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:05:44,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:05:44,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:05:44,693 INFO L87 Difference]: Start difference. First operand 3179 states and 8693 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 05:05:46,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:05:46,447 INFO L93 Difference]: Finished difference Result 3191 states and 8704 transitions. [2022-12-14 05:05:46,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:05:46,448 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 05:05:46,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:05:46,459 INFO L225 Difference]: With dead ends: 3191 [2022-12-14 05:05:46,459 INFO L226 Difference]: Without dead ends: 3191 [2022-12-14 05:05:46,459 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 05:05:46,460 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 14 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:05:46,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 40 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 05:05:46,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3191 states. [2022-12-14 05:05:46,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3191 to 3177. [2022-12-14 05:05:46,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 2534 states have (on average 3.429755327545383) internal successors, (8691), 3176 states have internal predecessors, (8691), 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 05:05:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 8691 transitions. [2022-12-14 05:05:46,576 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 8691 transitions. Word has length 2 [2022-12-14 05:05:46,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:05:46,576 INFO L495 AbstractCegarLoop]: Abstraction has 3177 states and 8691 transitions. [2022-12-14 05:05:46,576 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 05:05:46,576 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 8691 transitions. [2022-12-14 05:05:46,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 05:05:46,577 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:05:46,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 05:05:46,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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 05:05:46,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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 05:05:46,779 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 56 more)] === [2022-12-14 05:05:46,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:05:46,782 INFO L85 PathProgramCache]: Analyzing trace with hash 832175, now seen corresponding path program 1 times [2022-12-14 05:05:46,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:05:46,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317364275] [2022-12-14 05:05:46,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:05:46,788 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 05:05:46,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:05:46,792 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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 05:05:46,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12162a1f-fa77-42f5-9ebc-d7dd917753ee/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 05:05:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:05:47,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 05:05:47,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:05:47,199 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:05:47,200 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 19 treesize of output 27 [2022-12-14 05:05:47,235 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 05:05:47,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:05:47,235 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:05:47,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317364275] [2022-12-14 05:05:47,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317364275] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:05:47,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:05:47,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 05:05:47,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867040798] [2022-12-14 05:05:47,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:05:47,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:05:47,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:05:47,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:05:47,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:05:47,237 INFO L87 Difference]: Start difference. First operand 3177 states and 8691 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 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)