./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cd79fa-a3d3-4a83-b824-a012d4820224/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cd79fa-a3d3-4a83-b824-a012d4820224/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cd79fa-a3d3-4a83-b824-a012d4820224/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cd79fa-a3d3-4a83-b824-a012d4820224/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-01-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cd79fa-a3d3-4a83-b824-a012d4820224/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cd79fa-a3d3-4a83-b824-a012d4820224/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14067621d9a8f66625f13d1d9faf9b421dec38bd60b4ac0ad734bd36e2df123a --- 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-dbf71c6-m [2022-10-17 16:46:28,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:28,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:28,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:28,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:28,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:28,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:28,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:28,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:28,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:28,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:28,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:28,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:28,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:28,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:28,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:28,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:28,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:28,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:28,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:28,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:28,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:28,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:28,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:28,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:28,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:28,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:28,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:28,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:28,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:28,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:28,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:28,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:28,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:28,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:28,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:28,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:28,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:28,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:28,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:28,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:28,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cd79fa-a3d3-4a83-b824-a012d4820224/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:46:28,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:28,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:28,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:46:28,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:46:28,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:28,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:28,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:28,442 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:46:28,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:46:28,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:46:28,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:28,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:46:28,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:28,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:46:28,444 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:46:28,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:46:28,445 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:28,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:46:28,445 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:28,445 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:28,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:28,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:28,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:28,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:28,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:46:28,447 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:46:28,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:46:28,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:46:28,447 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cd79fa-a3d3-4a83-b824-a012d4820224/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14067621d9a8f66625f13d1d9faf9b421dec38bd60b4ac0ad734bd36e2df123a [2022-10-17 16:46:28,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:28,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:28,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:28,815 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:28,817 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:28,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cd79fa-a3d3-4a83-b824-a012d4820224/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/sll-01-2.i [2022-10-17 16:46:28,904 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cd79fa-a3d3-4a83-b824-a012d4820224/bin/ukojak-92XMlrwhuB/data/aef5e69c5/ebbfef61e6b0494a9a1beb5ec5777710/FLAG7d92c03a9 [2022-10-17 16:46:29,402 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:29,403 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i [2022-10-17 16:46:29,421 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cd79fa-a3d3-4a83-b824-a012d4820224/bin/ukojak-92XMlrwhuB/data/aef5e69c5/ebbfef61e6b0494a9a1beb5ec5777710/FLAG7d92c03a9 [2022-10-17 16:46:29,723 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cd79fa-a3d3-4a83-b824-a012d4820224/bin/ukojak-92XMlrwhuB/data/aef5e69c5/ebbfef61e6b0494a9a1beb5ec5777710 [2022-10-17 16:46:29,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:29,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:29,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:29,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:29,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:29,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:29" (1/1) ... [2022-10-17 16:46:29,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e4e1ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:29, skipping insertion in model container [2022-10-17 16:46:29,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:29" (1/1) ... [2022-10-17 16:46:29,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:29,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:46:30,072 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[22034,22047] [2022-10-17 16:46:30,086 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[22307,22320] [2022-10-17 16:46:30,089 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[22516,22529] [2022-10-17 16:46:30,092 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[22586,22599] [2022-10-17 16:46:30,095 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[22853,22866] [2022-10-17 16:46:30,100 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[22961,22974] [2022-10-17 16:46:30,105 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[23192,23205] [2022-10-17 16:46:30,108 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[23272,23285] [2022-10-17 16:46:30,110 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[23351,23364] [2022-10-17 16:46:30,112 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[23484,23497] [2022-10-17 16:46:30,115 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[23662,23675] [2022-10-17 16:46:30,118 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[23740,23753] [2022-10-17 16:46:30,119 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[23817,23830] [2022-10-17 16:46:30,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:30,141 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:46:30,204 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[22034,22047] [2022-10-17 16:46:30,207 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[22307,22320] [2022-10-17 16:46:30,208 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[22516,22529] [2022-10-17 16:46:30,214 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[22586,22599] [2022-10-17 16:46:30,217 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[22853,22866] [2022-10-17 16:46:30,218 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[22961,22974] [2022-10-17 16:46:30,223 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[23192,23205] [2022-10-17 16:46:30,226 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[23272,23285] [2022-10-17 16:46:30,227 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[23351,23364] [2022-10-17 16:46:30,228 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[23484,23497] [2022-10-17 16:46:30,231 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[23662,23675] [2022-10-17 16:46:30,233 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[23740,23753] [2022-10-17 16:46:30,234 WARN L230 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_e7cd79fa-a3d3-4a83-b824-a012d4820224/sv-benchmarks/c/forester-heap/sll-01-2.i[23817,23830] [2022-10-17 16:46:30,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:30,274 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:46:30,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30 WrapperNode [2022-10-17 16:46:30,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:30,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:30,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:46:30,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:46:30,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,360 INFO L138 Inliner]: procedures = 119, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 225 [2022-10-17 16:46:30,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:30,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:46:30,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:46:30,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:46:30,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,417 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:46:30,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:46:30,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:46:30,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:46:30,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:30" (1/1) ... [2022-10-17 16:46:30,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:30,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cd79fa-a3d3-4a83-b824-a012d4820224/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:46:30,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cd79fa-a3d3-4a83-b824-a012d4820224/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:46:30,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7cd79fa-a3d3-4a83-b824-a012d4820224/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:46:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:46:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:46:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:46:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:46:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:46:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:46:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:46:30,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:46:30,598 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:46:30,600 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:46:31,134 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:46:31,250 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:46:31,250 INFO L300 CfgBuilder]: Removed 30 assume(true) statements. [2022-10-17 16:46:31,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:31 BoogieIcfgContainer [2022-10-17 16:46:31,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:46:31,254 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:46:31,254 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:46:31,261 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:46:31,262 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:31" (1/1) ... [2022-10-17 16:46:31,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:46:31,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:31,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 74 states and 118 transitions. [2022-10-17 16:46:31,328 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 118 transitions. [2022-10-17 16:46:31,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:46:31,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:31,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:31,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:31,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:31,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2022-10-17 16:46:31,516 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2022-10-17 16:46:31,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:46:31,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:31,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:32,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:32,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:32,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 108 transitions. [2022-10-17 16:46:32,122 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2022-10-17 16:46:32,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:46:32,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:32,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:32,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2022-10-17 16:46:32,217 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2022-10-17 16:46:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:46:32,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:32,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:32,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:32,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 68 states and 98 transitions. [2022-10-17 16:46:32,376 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 98 transitions. [2022-10-17 16:46:32,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:46:32,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:32,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:32,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:32,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:32,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2022-10-17 16:46:32,725 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2022-10-17 16:46:32,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:46:32,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:32,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:32,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:32,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:32,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2022-10-17 16:46:32,811 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2022-10-17 16:46:32,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:46:32,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:32,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:32,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:32,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:32,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2022-10-17 16:46:32,942 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2022-10-17 16:46:32,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:46:32,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:32,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:33,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:33,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 70 states and 95 transitions. [2022-10-17 16:46:33,096 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 95 transitions. [2022-10-17 16:46:33,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:46:33,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:33,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:33,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:33,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:33,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 76 states and 101 transitions. [2022-10-17 16:46:33,577 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2022-10-17 16:46:33,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:46:33,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:33,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:34,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:34,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:34,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 74 states and 97 transitions. [2022-10-17 16:46:34,087 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2022-10-17 16:46:34,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:46:34,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:34,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:37,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:40,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:40,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 85 states and 112 transitions. [2022-10-17 16:46:40,603 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2022-10-17 16:46:40,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:46:40,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:40,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:40,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:46:40,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:40,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 83 states and 110 transitions. [2022-10-17 16:46:40,833 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 110 transitions. [2022-10-17 16:46:40,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:46:40,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:40,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:48,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:48,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 97 states and 128 transitions. [2022-10-17 16:46:48,659 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 128 transitions. [2022-10-17 16:46:48,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:46:48,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:48,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:48,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:46:49,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:49,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 90 states and 119 transitions. [2022-10-17 16:46:49,289 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 119 transitions. [2022-10-17 16:46:49,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:46:49,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:49,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:50,103 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception null [2022-10-17 16:46:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:50,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 16:46:50,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:50,356 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 16:46:50,363 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 16:46:50,383 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-17 16:46:50,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:46:50,735 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 220 treesize of output 226 [2022-10-17 16:46:50,916 INFO L356 Elim1Store]: treesize reduction 126, result has 43.0 percent of original size [2022-10-17 16:46:50,917 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 274 treesize of output 505 [2022-10-17 16:46:50,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 218 treesize of output 214 [2022-10-17 16:46:50,981 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 214 treesize of output 210 [2022-10-17 16:46:51,013 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:46:51,019 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 432 [2022-10-17 16:46:51,063 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 205 [2022-10-17 16:46:51,118 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 161 treesize of output 133 [2022-10-17 16:46:51,122 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-10-17 16:46:51,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 149 treesize of output 121 [2022-10-17 16:46:51,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:46:51,211 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2022-10-17 16:46:51,360 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:46:51,361 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-10-17 16:46:51,417 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:46:51,418 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 71 [2022-10-17 16:46:51,439 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:46:51,444 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 245 [2022-10-17 16:46:51,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:46:51,644 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-17 16:46:51,655 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2022-10-17 16:46:51,730 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:46:51,732 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 274 [2022-10-17 16:46:51,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:46:51,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:46:51,864 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-10-17 16:46:51,865 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 165 treesize of output 151 [2022-10-17 16:46:51,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:46:51,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-10-17 16:46:51,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:46:51,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:46:51,981 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-10-17 16:46:51,982 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 171 treesize of output 161 [2022-10-17 16:46:52,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:46:52,094 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-10-17 16:46:52,145 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-10-17 16:46:52,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:46:52,159 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2022-10-17 16:46:52,989 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-10-17 16:46:52,995 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:46:52,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2022-10-17 16:46:53,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.