./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/lis_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/lis_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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 302a384d858b88c7c93de8a2b1030a1c448a13b5bf510dfc42e11e1c01d4bd66 --- 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 06:06:49,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:06:49,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:06:49,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:06:49,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:06:49,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:06:49,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:06:49,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:06:49,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:06:49,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:06:49,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:06:49,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:06:49,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:06:49,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:06:49,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:06:49,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:06:49,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:06:49,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:06:49,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:06:49,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:06:49,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:06:49,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:06:49,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:06:49,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:06:49,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:06:49,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:06:49,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:06:49,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:06:49,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:06:49,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:06:49,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:06:49,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:06:49,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:06:49,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:06:49,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:06:49,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:06:49,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:06:49,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:06:49,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:06:49,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:06:49,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:06:49,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 06:06:49,573 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:06:49,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:06:49,574 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:06:49,574 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:06:49,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:06:49,575 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:06:49,575 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:06:49,575 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:06:49,575 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:06:49,576 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:06:49,576 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:06:49,576 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:06:49,576 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:06:49,576 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:06:49,576 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:06:49,577 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:06:49,577 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:06:49,577 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:06:49,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 06:06:49,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 06:06:49,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:06:49,578 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:06:49,578 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:06:49,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:06:49,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:06:49,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:06:49,579 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 06:06:49,579 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 06:06:49,579 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 06:06:49,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:06:49,579 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 06:06:49,580 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:06:49,580 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:06:49,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:06:49,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:06:49,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:06:49,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:06:49,581 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:06:49,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:06:49,581 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:06:49,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:06:49,581 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:06:49,582 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_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 302a384d858b88c7c93de8a2b1030a1c448a13b5bf510dfc42e11e1c01d4bd66 [2022-12-14 06:06:49,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:06:49,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:06:49,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:06:49,779 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:06:49,780 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:06:49,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/array-memsafety/lis_unsafe.i [2022-12-14 06:06:52,455 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:06:52,650 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:06:52,651 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/sv-benchmarks/c/array-memsafety/lis_unsafe.i [2022-12-14 06:06:52,659 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/data/8919c66f7/3017ce109f554e16b5c932c6a8d994ee/FLAG2b0386d5f [2022-12-14 06:06:52,669 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/data/8919c66f7/3017ce109f554e16b5c932c6a8d994ee [2022-12-14 06:06:52,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:06:52,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:06:52,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:06:52,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:06:52,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:06:52,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:06:52" (1/1) ... [2022-12-14 06:06:52,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2198ec3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:52, skipping insertion in model container [2022-12-14 06:06:52,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:06:52" (1/1) ... [2022-12-14 06:06:52,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:06:52,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:06:52,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:06:52,940 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 06:06:52,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64556708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:52, skipping insertion in model container [2022-12-14 06:06:52,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:06:52,941 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 06:06:52,942 INFO L158 Benchmark]: Toolchain (without parser) took 269.68ms. Allocated memory is still 132.1MB. Free memory was 98.1MB in the beginning and 86.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 06:06:52,943 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 132.1MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:06:52,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.01ms. Allocated memory is still 132.1MB. Free memory was 98.1MB in the beginning and 86.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 06:06:52,944 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 132.1MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.01ms. Allocated memory is still 132.1MB. Free memory was 98.1MB in the beginning and 86.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 515]: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/lis_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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 302a384d858b88c7c93de8a2b1030a1c448a13b5bf510dfc42e11e1c01d4bd66 --- 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 06:06:54,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:06:54,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:06:54,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:06:54,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:06:54,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:06:54,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:06:54,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:06:54,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:06:54,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:06:54,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:06:54,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:06:54,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:06:54,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:06:54,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:06:54,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:06:54,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:06:54,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:06:54,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:06:54,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:06:54,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:06:54,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:06:54,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:06:54,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:06:54,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:06:54,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:06:54,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:06:54,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:06:54,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:06:54,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:06:54,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:06:54,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:06:54,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:06:54,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:06:54,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:06:54,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:06:54,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:06:54,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:06:54,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:06:54,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:06:54,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:06:54,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-12-14 06:06:54,489 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:06:54,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:06:54,490 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:06:54,490 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:06:54,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:06:54,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:06:54,491 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:06:54,491 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:06:54,491 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:06:54,491 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:06:54,491 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:06:54,491 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:06:54,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 06:06:54,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 06:06:54,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:06:54,493 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:06:54,493 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:06:54,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:06:54,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:06:54,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:06:54,493 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 06:06:54,493 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 06:06:54,494 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 06:06:54,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:06:54,494 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 06:06:54,494 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 06:06:54,494 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 06:06:54,494 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:06:54,494 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:06:54,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:06:54,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 06:06:54,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:06:54,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:06:54,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:06:54,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:06:54,496 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 06:06:54,496 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 06:06:54,496 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:06:54,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 06:06:54,496 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_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 302a384d858b88c7c93de8a2b1030a1c448a13b5bf510dfc42e11e1c01d4bd66 [2022-12-14 06:06:54,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:06:54,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:06:54,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:06:54,748 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:06:54,749 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:06:54,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/array-memsafety/lis_unsafe.i [2022-12-14 06:06:57,330 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:06:57,518 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:06:57,519 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/sv-benchmarks/c/array-memsafety/lis_unsafe.i [2022-12-14 06:06:57,526 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/data/654c3e448/ed7739788905414394700c07feabd330/FLAG58c4099c0 [2022-12-14 06:06:57,540 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/data/654c3e448/ed7739788905414394700c07feabd330 [2022-12-14 06:06:57,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:06:57,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:06:57,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:06:57,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:06:57,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:06:57,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:06:57" (1/1) ... [2022-12-14 06:06:57,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31aad7bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:57, skipping insertion in model container [2022-12-14 06:06:57,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:06:57" (1/1) ... [2022-12-14 06:06:57,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:06:57,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:06:57,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:06:57,770 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 06:06:57,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:06:57,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:06:57,797 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:06:57,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:06:57,836 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:06:57,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:57 WrapperNode [2022-12-14 06:06:57,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:06:57,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:06:57,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:06:57,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:06:57,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:57" (1/1) ... [2022-12-14 06:06:57,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:57" (1/1) ... [2022-12-14 06:06:57,868 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2022-12-14 06:06:57,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:06:57,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:06:57,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:06:57,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:06:57,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:57" (1/1) ... [2022-12-14 06:06:57,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:57" (1/1) ... [2022-12-14 06:06:57,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:57" (1/1) ... [2022-12-14 06:06:57,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:57" (1/1) ... [2022-12-14 06:06:57,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:57" (1/1) ... [2022-12-14 06:06:57,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:57" (1/1) ... [2022-12-14 06:06:57,887 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:57" (1/1) ... [2022-12-14 06:06:57,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:57" (1/1) ... [2022-12-14 06:06:57,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:06:57,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:06:57,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:06:57,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:06:57,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:57" (1/1) ... [2022-12-14 06:06:57,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:06:57,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:06:57,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:06:57,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:06:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 06:06:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 06:06:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:06:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 06:06:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:06:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:06:58,053 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:06:58,054 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:06:58,400 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:06:58,406 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:06:58,406 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 06:06:58,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:06:58 BoogieIcfgContainer [2022-12-14 06:06:58,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:06:58,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:06:58,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:06:58,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:06:58,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:06:57" (1/3) ... [2022-12-14 06:06:58,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed567d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:06:58, skipping insertion in model container [2022-12-14 06:06:58,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:57" (2/3) ... [2022-12-14 06:06:58,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed567d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:06:58, skipping insertion in model container [2022-12-14 06:06:58,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:06:58" (3/3) ... [2022-12-14 06:06:58,418 INFO L112 eAbstractionObserver]: Analyzing ICFG lis_unsafe.i [2022-12-14 06:06:58,432 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:06:58,432 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-12-14 06:06:58,462 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:06:58,466 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;@2acd1638, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:06:58,467 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-12-14 06:06:58,470 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 41 states have (on average 2.0) internal successors, (82), 70 states have internal predecessors, (82), 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 06:06:58,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 06:06:58,474 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:06:58,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 06:06:58,474 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 26 more)] === [2022-12-14 06:06:58,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:06:58,478 INFO L85 PathProgramCache]: Analyzing trace with hash 889508873, now seen corresponding path program 1 times [2022-12-14 06:06:58,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:06:58,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856248277] [2022-12-14 06:06:58,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:06:58,487 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 06:06:58,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:06:58,489 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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 06:06:58,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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 06:06:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:06:58,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 06:06:58,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:06:58,650 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 06:06:58,651 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 06:06:58,673 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 06:06:58,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:06:58,674 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:06:58,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856248277] [2022-12-14 06:06:58,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1856248277] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:06:58,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:06:58,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:06:58,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387037360] [2022-12-14 06:06:58,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:06:58,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:06:58,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:06:58,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:06:58,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:06:58,711 INFO L87 Difference]: Start difference. First operand has 71 states, 41 states have (on average 2.0) internal successors, (82), 70 states have internal predecessors, (82), 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 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 06:06:58,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:06:58,857 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions. [2022-12-14 06:06:58,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:06:58,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-12-14 06:06:58,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:06:58,867 INFO L225 Difference]: With dead ends: 63 [2022-12-14 06:06:58,867 INFO L226 Difference]: Without dead ends: 61 [2022-12-14 06:06:58,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 06:06:58,872 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 53 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:06:58,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 53 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:06:58,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-12-14 06:06:58,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-12-14 06:06:58,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 40 states have (on average 1.7) internal successors, (68), 60 states have internal predecessors, (68), 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 06:06:58,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 68 transitions. [2022-12-14 06:06:58,904 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 68 transitions. Word has length 6 [2022-12-14 06:06:58,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:06:58,905 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 68 transitions. [2022-12-14 06:06:58,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 06:06:58,905 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2022-12-14 06:06:58,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 06:06:58,905 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:06:58,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 06:06:58,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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 06:06:59,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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 06:06:59,107 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 26 more)] === [2022-12-14 06:06:59,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:06:59,108 INFO L85 PathProgramCache]: Analyzing trace with hash 889508874, now seen corresponding path program 1 times [2022-12-14 06:06:59,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:06:59,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773265746] [2022-12-14 06:06:59,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:06:59,108 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 06:06:59,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:06:59,109 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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 06:06:59,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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 06:06:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:06:59,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 06:06:59,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:06:59,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:06:59,251 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 9 treesize of output 11 [2022-12-14 06:06:59,260 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 10 treesize of output 8 [2022-12-14 06:06:59,291 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 06:06:59,292 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:06:59,292 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:06:59,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1773265746] [2022-12-14 06:06:59,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1773265746] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:06:59,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:06:59,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:06:59,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151330465] [2022-12-14 06:06:59,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:06:59,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:06:59,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:06:59,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:06:59,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:06:59,295 INFO L87 Difference]: Start difference. First operand 61 states and 68 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 06:06:59,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:06:59,516 INFO L93 Difference]: Finished difference Result 126 states and 140 transitions. [2022-12-14 06:06:59,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:06:59,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2022-12-14 06:06:59,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:06:59,519 INFO L225 Difference]: With dead ends: 126 [2022-12-14 06:06:59,519 INFO L226 Difference]: Without dead ends: 126 [2022-12-14 06:06:59,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:06:59,520 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 77 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:06:59,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 154 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:06:59,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-12-14 06:06:59,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 64. [2022-12-14 06:06:59,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 43 states have (on average 1.6744186046511629) internal successors, (72), 63 states have internal predecessors, (72), 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 06:06:59,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 72 transitions. [2022-12-14 06:06:59,528 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 72 transitions. Word has length 6 [2022-12-14 06:06:59,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:06:59,529 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 72 transitions. [2022-12-14 06:06:59,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 06:06:59,529 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2022-12-14 06:06:59,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 06:06:59,530 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:06:59,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 06:06:59,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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 06:06:59,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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 06:06:59,731 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 26 more)] === [2022-12-14 06:06:59,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:06:59,733 INFO L85 PathProgramCache]: Analyzing trace with hash 889568456, now seen corresponding path program 1 times [2022-12-14 06:06:59,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:06:59,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241848590] [2022-12-14 06:06:59,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:06:59,735 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 06:06:59,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:06:59,737 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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 06:06:59,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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 06:06:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:06:59,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 06:06:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:06:59,931 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 06:06:59,931 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 06:06:59,932 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 29 remaining) [2022-12-14 06:06:59,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 29 remaining) [2022-12-14 06:06:59,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 29 remaining) [2022-12-14 06:06:59,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 29 remaining) [2022-12-14 06:06:59,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 29 remaining) [2022-12-14 06:06:59,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 29 remaining) [2022-12-14 06:06:59,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 29 remaining) [2022-12-14 06:06:59,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 29 remaining) [2022-12-14 06:06:59,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 29 remaining) [2022-12-14 06:06:59,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 29 remaining) [2022-12-14 06:06:59,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 29 remaining) [2022-12-14 06:06:59,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 29 remaining) [2022-12-14 06:06:59,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 29 remaining) [2022-12-14 06:06:59,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 29 remaining) [2022-12-14 06:06:59,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 29 remaining) [2022-12-14 06:06:59,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 29 remaining) [2022-12-14 06:06:59,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 29 remaining) [2022-12-14 06:06:59,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 29 remaining) [2022-12-14 06:06:59,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 29 remaining) [2022-12-14 06:06:59,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 29 remaining) [2022-12-14 06:06:59,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 29 remaining) [2022-12-14 06:06:59,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 29 remaining) [2022-12-14 06:06:59,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_FREE (6 of 29 remaining) [2022-12-14 06:06:59,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_FREE (5 of 29 remaining) [2022-12-14 06:06:59,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_FREE (4 of 29 remaining) [2022-12-14 06:06:59,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_FREE (3 of 29 remaining) [2022-12-14 06:06:59,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_FREE (2 of 29 remaining) [2022-12-14 06:06:59,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_FREE (1 of 29 remaining) [2022-12-14 06:06:59,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK (0 of 29 remaining) [2022-12-14 06:06:59,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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)] Ended with exit code 0 [2022-12-14 06:07:00,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/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 06:07:00,151 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 06:07:00,167 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:07:00,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:07:00 BoogieIcfgContainer [2022-12-14 06:07:00,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:07:00,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:07:00,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:07:00,197 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:07:00,198 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:06:58" (3/4) ... [2022-12-14 06:07:00,200 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 06:07:00,227 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 06:07:00,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:07:00,228 INFO L158 Benchmark]: Toolchain (without parser) took 2684.37ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 78.0MB in the beginning and 87.5MB in the end (delta: -9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 06:07:00,228 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:07:00,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.40ms. Allocated memory is still 100.7MB. Free memory was 78.0MB in the beginning and 57.4MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 06:07:00,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.31ms. Allocated memory is still 100.7MB. Free memory was 57.4MB in the beginning and 55.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:07:00,229 INFO L158 Benchmark]: Boogie Preprocessor took 21.30ms. Allocated memory is still 100.7MB. Free memory was 55.4MB in the beginning and 53.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:07:00,229 INFO L158 Benchmark]: RCFGBuilder took 518.15ms. Allocated memory is still 100.7MB. Free memory was 53.4MB in the beginning and 65.8MB in the end (delta: -12.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-12-14 06:07:00,229 INFO L158 Benchmark]: TraceAbstraction took 1785.11ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 65.1MB in the beginning and 89.6MB in the end (delta: -24.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:07:00,230 INFO L158 Benchmark]: Witness Printer took 30.29ms. Allocated memory is still 121.6MB. Free memory was 89.6MB in the beginning and 87.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:07:00,231 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.40ms. Allocated memory is still 100.7MB. Free memory was 78.0MB in the beginning and 57.4MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.31ms. Allocated memory is still 100.7MB. Free memory was 57.4MB in the beginning and 55.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.30ms. Allocated memory is still 100.7MB. Free memory was 55.4MB in the beginning and 53.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 518.15ms. Allocated memory is still 100.7MB. Free memory was 53.4MB in the beginning and 65.8MB in the end (delta: -12.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1785.11ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 65.1MB in the beginning and 89.6MB in the end (delta: -24.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 30.29ms. Allocated memory is still 121.6MB. Free memory was 89.6MB in the beginning and 87.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L531] int *a; [L532] int N = __VERIFIER_nondet_int(); [L533] COND FALSE !(N < 1) VAL [N=1073741824] [L535] CALL lis(a, N) [L514] int *best, *prev, i, j, max = 0; [L515] best = (int*) malloc(sizeof(int) * N) [L516] prev = (int*) malloc(sizeof(int) * N) [L517] i = 0 VAL [\old(N)=1073741824, a={6:5}, a={6:5}, best={1:0}, i=0, max=0, N=1073741824, prev={2:0}] [L517] COND TRUE i < N VAL [\old(N)=1073741824, a={6:5}, a={6:5}, best={1:0}, i=0, max=0, N=1073741824, prev={2:0}] [L518] best[i] = 1 - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 526]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 526]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 526]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 530]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 29 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 130 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 207 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 100 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 107 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 62 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 5 NumberOfNonLiveVariables, 70 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 06:07:00,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793ba01b-aac8-49cc-9a9c-bf26d3e5eb67/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)