./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/dll-sorted-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-sorted-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b55b51cb0b3b4f908f36b1c6f95a18eadc174b8702aa08ef4d6f9775df6bb52 --- 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 [2022-12-15 01:57:27,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:57:27,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:57:27,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:57:27,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:57:27,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:57:27,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:57:27,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:57:27,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:57:27,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:57:27,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:57:27,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:57:27,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:57:27,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:57:27,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:57:27,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:57:27,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:57:27,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:57:27,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:57:27,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:57:27,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:57:27,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:57:27,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:57:27,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:57:27,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:57:27,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:57:27,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:57:27,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:57:27,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:57:27,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:57:27,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:57:27,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:57:27,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:57:27,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:57:27,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:57:27,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:57:27,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:57:27,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:57:27,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:57:27,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:57:27,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:57:27,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2022-12-15 01:57:27,509 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:57:27,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:57:27,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:57:27,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:57:27,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:57:27,510 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:57:27,510 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:57:27,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:57:27,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:57:27,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:57:27,511 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 01:57:27,511 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 01:57:27,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:57:27,511 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:57:27,511 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:57:27,511 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:57:27,511 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:57:27,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:57:27,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:57:27,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:57:27,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:57:27,512 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:57:27,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:57:27,512 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_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b55b51cb0b3b4f908f36b1c6f95a18eadc174b8702aa08ef4d6f9775df6bb52 [2022-12-15 01:57:27,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:57:27,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:57:27,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:57:27,692 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:57:27,692 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:57:27,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/forester-heap/dll-sorted-1.i [2022-12-15 01:57:30,384 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:57:30,580 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:57:30,580 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/sv-benchmarks/c/forester-heap/dll-sorted-1.i [2022-12-15 01:57:30,587 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4/data/f9f7f78bd/10b731c647de4ca8935285e82aedb493/FLAGd3f4039ba [2022-12-15 01:57:30,598 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4/data/f9f7f78bd/10b731c647de4ca8935285e82aedb493 [2022-12-15 01:57:30,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:57:30,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:57:30,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:57:30,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:57:30,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:57:30,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:57:30" (1/1) ... [2022-12-15 01:57:30,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6391e234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:30, skipping insertion in model container [2022-12-15 01:57:30,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:57:30" (1/1) ... [2022-12-15 01:57:30,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:57:30,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:57:30,869 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/sv-benchmarks/c/forester-heap/dll-sorted-1.i[22384,22397] [2022-12-15 01:57:30,875 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/sv-benchmarks/c/forester-heap/dll-sorted-1.i[22614,22627] [2022-12-15 01:57:30,879 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/sv-benchmarks/c/forester-heap/dll-sorted-1.i[22989,23002] [2022-12-15 01:57:30,880 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/sv-benchmarks/c/forester-heap/dll-sorted-1.i[23053,23066] [2022-12-15 01:57:30,882 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/sv-benchmarks/c/forester-heap/dll-sorted-1.i[23184,23197] [2022-12-15 01:57:30,882 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/sv-benchmarks/c/forester-heap/dll-sorted-1.i[23248,23261] [2022-12-15 01:57:30,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:57:30,896 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:57:30,928 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/sv-benchmarks/c/forester-heap/dll-sorted-1.i[22384,22397] [2022-12-15 01:57:30,930 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/sv-benchmarks/c/forester-heap/dll-sorted-1.i[22614,22627] [2022-12-15 01:57:30,934 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/sv-benchmarks/c/forester-heap/dll-sorted-1.i[22989,23002] [2022-12-15 01:57:30,934 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/sv-benchmarks/c/forester-heap/dll-sorted-1.i[23053,23066] [2022-12-15 01:57:30,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/sv-benchmarks/c/forester-heap/dll-sorted-1.i[23184,23197] [2022-12-15 01:57:30,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/sv-benchmarks/c/forester-heap/dll-sorted-1.i[23248,23261] [2022-12-15 01:57:30,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:57:30,961 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:57:30,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:30 WrapperNode [2022-12-15 01:57:30,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:57:30,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:57:30,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:57:30,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:57:30,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:30" (1/1) ... [2022-12-15 01:57:30,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:30" (1/1) ... [2022-12-15 01:57:31,003 INFO L138 Inliner]: procedures = 119, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 197 [2022-12-15 01:57:31,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:57:31,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:57:31,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:57:31,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:57:31,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:30" (1/1) ... [2022-12-15 01:57:31,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:30" (1/1) ... [2022-12-15 01:57:31,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:30" (1/1) ... [2022-12-15 01:57:31,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:30" (1/1) ... [2022-12-15 01:57:31,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:30" (1/1) ... [2022-12-15 01:57:31,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:30" (1/1) ... [2022-12-15 01:57:31,031 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:30" (1/1) ... [2022-12-15 01:57:31,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:30" (1/1) ... [2022-12-15 01:57:31,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:57:31,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:57:31,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:57:31,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:57:31,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:30" (1/1) ... [2022-12-15 01:57:31,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:57:31,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:57:31,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:57:31,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:57:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:57:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:57:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 01:57:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:57:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 01:57:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-15 01:57:31,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:57:31,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:57:31,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:57:31,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:57:31,207 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:57:31,209 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:57:31,582 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:57:31,633 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:57:31,633 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-12-15 01:57:31,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:57:31 BoogieIcfgContainer [2022-12-15 01:57:31,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:57:31,637 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:57:31,637 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:57:31,646 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:57:31,646 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:57:31" (1/1) ... [2022-12-15 01:57:31,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:57:31,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 155 states and 186 transitions. [2022-12-15 01:57:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 186 transitions. [2022-12-15 01:57:31,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-15 01:57:31,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:31,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:31,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:31,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:31,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 154 states and 185 transitions. [2022-12-15 01:57:31,895 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 185 transitions. [2022-12-15 01:57:31,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-15 01:57:31,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:31,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:31,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:32,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:32,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 153 states and 184 transitions. [2022-12-15 01:57:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 184 transitions. [2022-12-15 01:57:32,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 01:57:32,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:32,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:32,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:32,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 152 states and 183 transitions. [2022-12-15 01:57:32,082 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 183 transitions. [2022-12-15 01:57:32,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 01:57:32,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:32,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:32,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:32,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:32,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 151 states and 182 transitions. [2022-12-15 01:57:32,165 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 182 transitions. [2022-12-15 01:57:32,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 01:57:32,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:32,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:32,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:32,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:32,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 150 states and 181 transitions. [2022-12-15 01:57:32,207 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 181 transitions. [2022-12-15 01:57:32,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 01:57:32,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:32,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:32,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:32,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:32,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 149 states and 180 transitions. [2022-12-15 01:57:32,286 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 180 transitions. [2022-12-15 01:57:32,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:57:32,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:32,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:32,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:32,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:32,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 148 states and 178 transitions. [2022-12-15 01:57:32,422 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 178 transitions. [2022-12-15 01:57:32,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:57:32,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:32,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 151 states and 184 transitions. [2022-12-15 01:57:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2022-12-15 01:57:32,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:57:32,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:32,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:32,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:32,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:32,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 150 states and 183 transitions. [2022-12-15 01:57:32,727 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 183 transitions. [2022-12-15 01:57:32,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:57:32,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:32,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:32,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:32,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 151 states and 185 transitions. [2022-12-15 01:57:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2022-12-15 01:57:32,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:57:32,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:32,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:32,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:33,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:33,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 153 states and 186 transitions. [2022-12-15 01:57:33,036 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 186 transitions. [2022-12-15 01:57:33,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:57:33,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:33,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:33,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:33,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:33,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 155 states and 191 transitions. [2022-12-15 01:57:33,547 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 191 transitions. [2022-12-15 01:57:33,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:57:33,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:33,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:33,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:34,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:34,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 157 states and 194 transitions. [2022-12-15 01:57:34,197 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 194 transitions. [2022-12-15 01:57:34,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:57:34,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:34,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:34,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:34,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:34,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 158 states and 196 transitions. [2022-12-15 01:57:34,353 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 196 transitions. [2022-12-15 01:57:34,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:57:34,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:34,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:34,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:34,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:34,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 160 states and 199 transitions. [2022-12-15 01:57:34,554 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 199 transitions. [2022-12-15 01:57:34,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:57:34,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:34,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:34,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:35,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:35,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 162 states and 203 transitions. [2022-12-15 01:57:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 203 transitions. [2022-12-15 01:57:35,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:57:35,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:35,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:36,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:36,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:36,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 164 states and 207 transitions. [2022-12-15 01:57:36,847 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 207 transitions. [2022-12-15 01:57:36,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:57:36,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:36,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 163 states and 206 transitions. [2022-12-15 01:57:36,882 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 206 transitions. [2022-12-15 01:57:36,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:57:36,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:36,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:37,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:38,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:38,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 167 states and 215 transitions. [2022-12-15 01:57:38,577 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 215 transitions. [2022-12-15 01:57:38,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:57:38,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:38,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:38,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 166 states and 214 transitions. [2022-12-15 01:57:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 214 transitions. [2022-12-15 01:57:38,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:57:38,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:38,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:38,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:39,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:39,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 137 states and 166 transitions. [2022-12-15 01:57:39,098 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 166 transitions. [2022-12-15 01:57:39,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 01:57:39,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:39,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:39,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:57:41,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:41,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 150 states and 184 transitions. [2022-12-15 01:57:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2022-12-15 01:57:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 01:57:41,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:41,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:41,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:41,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 150 states and 182 transitions. [2022-12-15 01:57:41,695 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 182 transitions. [2022-12-15 01:57:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:57:41,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:41,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:41,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:44,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 166 states and 206 transitions. [2022-12-15 01:57:44,645 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 206 transitions. [2022-12-15 01:57:44,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:57:44,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:44,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:45,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:48,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:48,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 182 states and 230 transitions. [2022-12-15 01:57:48,823 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 230 transitions. [2022-12-15 01:57:48,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:57:48,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:48,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:48,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:57:48,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:48,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 184 states and 234 transitions. [2022-12-15 01:57:48,880 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 234 transitions. [2022-12-15 01:57:48,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:57:48,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:48,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:48,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:57:49,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:49,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 184 states and 233 transitions. [2022-12-15 01:57:49,050 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 233 transitions. [2022-12-15 01:57:49,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:57:49,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:49,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:49,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:57:49,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:49,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 186 states and 237 transitions. [2022-12-15 01:57:49,087 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 237 transitions. [2022-12-15 01:57:49,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:57:49,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:49,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:49,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:57:49,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:49,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 188 states and 242 transitions. [2022-12-15 01:57:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 242 transitions. [2022-12-15 01:57:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:57:49,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:49,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:49,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:57:49,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:49,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 189 states and 243 transitions. [2022-12-15 01:57:49,783 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 243 transitions. [2022-12-15 01:57:49,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:57:49,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:49,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:51,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:55,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:55,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 202 states and 265 transitions. [2022-12-15 01:57:55,007 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 265 transitions. [2022-12-15 01:57:55,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:57:55,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:55,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:03,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:03,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 219 states and 298 transitions. [2022-12-15 01:58:03,925 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 298 transitions. [2022-12-15 01:58:03,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:58:03,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:03,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:03,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:03,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:03,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 218 states and 297 transitions. [2022-12-15 01:58:03,968 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 297 transitions. [2022-12-15 01:58:03,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:58:03,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:03,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:04,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:04,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:04,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 220 states and 300 transitions. [2022-12-15 01:58:04,039 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 300 transitions. [2022-12-15 01:58:04,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:58:04,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:04,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:04,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:04,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:04,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 220 states and 299 transitions. [2022-12-15 01:58:04,517 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 299 transitions. [2022-12-15 01:58:04,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:58:04,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:04,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:04,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:05,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:05,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 221 states and 299 transitions. [2022-12-15 01:58:05,032 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 299 transitions. [2022-12-15 01:58:05,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:58:05,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:05,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:05,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:05,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:05,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 222 states and 300 transitions. [2022-12-15 01:58:05,069 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 300 transitions. [2022-12-15 01:58:05,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:58:05,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:05,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:05,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:05,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:05,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 223 states and 305 transitions. [2022-12-15 01:58:05,140 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 305 transitions. [2022-12-15 01:58:05,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 01:58:05,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:05,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:05,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:05,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 222 states and 304 transitions. [2022-12-15 01:58:05,496 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 304 transitions. [2022-12-15 01:58:05,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 01:58:05,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:05,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:05,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:06,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:06,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 221 states and 303 transitions. [2022-12-15 01:58:06,360 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 303 transitions. [2022-12-15 01:58:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 01:58:06,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:06,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:06,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:09,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:09,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 224 states and 310 transitions. [2022-12-15 01:58:09,609 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 310 transitions. [2022-12-15 01:58:09,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 01:58:09,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:09,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:09,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:11,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:11,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 226 states and 312 transitions. [2022-12-15 01:58:11,096 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 312 transitions. [2022-12-15 01:58:11,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 01:58:11,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:11,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:12,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:16,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:16,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 229 states and 321 transitions. [2022-12-15 01:58:16,901 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 321 transitions. [2022-12-15 01:58:16,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 01:58:16,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:16,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:16,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:16,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:16,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 228 states and 320 transitions. [2022-12-15 01:58:16,946 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 320 transitions. [2022-12-15 01:58:16,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 01:58:16,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:16,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:17,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:18,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:18,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 227 states and 319 transitions. [2022-12-15 01:58:18,252 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 319 transitions. [2022-12-15 01:58:18,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 01:58:18,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:18,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 01:58:18,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:18,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 212 states and 299 transitions. [2022-12-15 01:58:18,820 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 299 transitions. [2022-12-15 01:58:18,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:58:18,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:18,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:18,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:18,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 211 states and 298 transitions. [2022-12-15 01:58:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 298 transitions. [2022-12-15 01:58:18,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:58:18,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:18,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:18,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:18,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:18,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 210 states and 297 transitions. [2022-12-15 01:58:18,930 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 297 transitions. [2022-12-15 01:58:18,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:58:18,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:18,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:18,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:21,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:21,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 215 states and 306 transitions. [2022-12-15 01:58:21,175 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 306 transitions. [2022-12-15 01:58:21,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:58:21,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:21,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:21,369 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:58:21,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:21,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 214 states and 305 transitions. [2022-12-15 01:58:21,818 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 305 transitions. [2022-12-15 01:58:21,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:58:21,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:21,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:22,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:25,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:25,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 219 states and 315 transitions. [2022-12-15 01:58:25,322 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 315 transitions. [2022-12-15 01:58:25,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:58:25,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:25,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:25,342 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:58:25,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 218 states and 313 transitions. [2022-12-15 01:58:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 313 transitions. [2022-12-15 01:58:25,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:58:25,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:25,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:27,222 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:36,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:36,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 231 states and 345 transitions. [2022-12-15 01:58:36,267 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 345 transitions. [2022-12-15 01:58:36,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:58:36,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:36,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:36,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:37,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:37,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 230 states and 344 transitions. [2022-12-15 01:58:37,791 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 344 transitions. [2022-12-15 01:58:37,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:58:37,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:37,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:37,855 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 01:58:41,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:41,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 236 states and 352 transitions. [2022-12-15 01:58:41,393 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 352 transitions. [2022-12-15 01:58:41,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:58:41,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:41,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:43,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:53,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 247 states and 377 transitions. [2022-12-15 01:58:53,507 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 377 transitions. [2022-12-15 01:58:53,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:58:53,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:53,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:53,528 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:58:54,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:54,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 249 states and 382 transitions. [2022-12-15 01:58:54,017 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 382 transitions. [2022-12-15 01:58:54,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:58:54,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:54,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:56,409 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:59:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 266 states and 422 transitions. [2022-12-15 01:59:13,144 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 422 transitions. [2022-12-15 01:59:13,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:59:13,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:13,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:13,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:59:14,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:14,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 268 states and 426 transitions. [2022-12-15 01:59:14,215 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 426 transitions. [2022-12-15 01:59:14,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:59:14,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:14,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:14,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:59:14,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:14,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 269 states and 428 transitions. [2022-12-15 01:59:14,860 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 428 transitions. [2022-12-15 01:59:14,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:59:14,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:14,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:15,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:59:15,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:15,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 271 states and 432 transitions. [2022-12-15 01:59:15,760 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 432 transitions. [2022-12-15 01:59:15,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:59:15,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:15,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:59:22,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:22,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 275 states and 437 transitions. [2022-12-15 01:59:22,146 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 437 transitions. [2022-12-15 01:59:22,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:59:22,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:22,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:23,671 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:59:29,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:29,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 279 states and 445 transitions. [2022-12-15 01:59:29,803 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 445 transitions. [2022-12-15 01:59:29,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:59:29,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:29,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:31,078 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:59:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:33,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 281 states and 448 transitions. [2022-12-15 01:59:33,396 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 448 transitions. [2022-12-15 01:59:33,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:59:33,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:33,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:33,459 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:59:34,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:34,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 283 states and 451 transitions. [2022-12-15 01:59:34,401 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 451 transitions. [2022-12-15 01:59:34,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:59:34,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:34,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:34,522 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:59:39,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:39,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 245 states and 391 transitions. [2022-12-15 01:59:39,419 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 391 transitions. [2022-12-15 01:59:39,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 01:59:39,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:39,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:59:39,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 01:59:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:59:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:59:39,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 01:59:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:59:39,702 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 67 iterations. [2022-12-15 01:59:39,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:59:39 ImpRootNode [2022-12-15 01:59:39,726 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:59:39,726 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:59:39,726 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:59:39,726 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:59:39,727 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:57:31" (3/4) ... [2022-12-15 01:59:39,728 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 01:59:39,759 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:59:39,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:59:39,760 INFO L158 Benchmark]: Toolchain (without parser) took 129158.46ms. Allocated memory was 142.6MB in the beginning and 664.8MB in the end (delta: 522.2MB). Free memory was 111.6MB in the beginning and 275.7MB in the end (delta: -164.1MB). Peak memory consumption was 360.6MB. Max. memory is 16.1GB. [2022-12-15 01:59:39,760 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:59:39,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.04ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 92.9MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 01:59:39,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.38ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 90.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:59:39,762 INFO L158 Benchmark]: Boogie Preprocessor took 31.62ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 88.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:59:39,762 INFO L158 Benchmark]: RCFGBuilder took 600.37ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 53.7MB in the end (delta: 35.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-15 01:59:39,763 INFO L158 Benchmark]: CodeCheck took 128088.61ms. Allocated memory was 142.6MB in the beginning and 664.8MB in the end (delta: 522.2MB). Free memory was 53.7MB in the beginning and 277.8MB in the end (delta: -224.1MB). Peak memory consumption was 299.8MB. Max. memory is 16.1GB. [2022-12-15 01:59:39,763 INFO L158 Benchmark]: Witness Printer took 33.19ms. Allocated memory is still 664.8MB. Free memory was 277.8MB in the beginning and 275.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:59:39,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 155 locations, 80 error locations. Started 1 CEGAR loops. OverallTime: 128.0s, OverallIterations: 67, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12944 SdHoareTripleChecker+Valid, 52.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10706 mSDsluCounter, 9058 SdHoareTripleChecker+Invalid, 46.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7250 mSDsCounter, 9860 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42600 IncrementalHoareTripleChecker+Invalid, 52460 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9860 mSolverCounterUnsat, 1808 mSDtfsCounter, 42600 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11789 GetRequests, 10750 SyntacticMatches, 209 SemanticMatches, 830 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340845 ImplicationChecksByTransitivity, 119.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 20.0s InterpolantComputationTime, 1369 NumberOfCodeBlocks, 1369 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 1273 ConstructedInterpolants, 0 QuantifiedInterpolants, 7952 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 48 PerfectInterpolantSequences, 96/201 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1038]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L997] SLL* head = malloc(sizeof(SLL)); [L998] head->next = ((void*)0) VAL [head={-1:0}] [L999] head->prev = ((void*)0) VAL [head={-1:0}] [L1000] head->data = 0 [L1002] SLL* x = head; [L1003] int marked = 0; VAL [head={-1:0}, marked=0, x={-1:0}] [L1006] COND TRUE __VERIFIER_nondet_int() || !marked [L1009] x->next = malloc(sizeof(SLL)) [L1010] EXPR x->next VAL [head={-1:0}, marked=0, x={-1:0}, x->next={12638:0}] [L1010] x->next->prev = x [L1011] EXPR x->next [L1011] x = x->next [L1012] x->next = ((void*)0) [L1014] COND TRUE __VERIFIER_nondet_int() [L1016] marked = 1 VAL [head={-1:0}, marked=1, x={12638:0}] [L1019] COND TRUE \read(marked) VAL [head={-1:0}, marked=1, x={12638:0}] [L1020] x->data = 1 VAL [head={-1:0}, marked=1, x={12638:0}] [L1006] COND FALSE !(__VERIFIER_nondet_int() || !marked) [L1025] x = head VAL [head={-1:0}, marked=1, x={-1:0}] [L1027] COND FALSE !(!(((void*)0) != x)) VAL [head={-1:0}, marked=1, x={-1:0}] [L1028] marked = 0 VAL [head={-1:0}, marked=0, x={-1:0}] [L1030] EXPR x->next [L1030] x->next != ((void*)0) && x->next->data == 0 VAL [head={-1:0}, marked=0, x={-1:0}, x->next={12638:0}, x->next != ((void*)0) && x->next->data == 0=1] [L1030] EXPR x->next VAL [head={-1:0}, marked=0, x={-1:0}, x->next={12638:0}, x->next={12638:0}, x->next != ((void*)0) && x->next->data == 0=1] [L1030] EXPR x->next->data [L1030] x->next != ((void*)0) && x->next->data == 0 VAL [head={-1:0}, marked=0, x={-1:0}, x->next={12638:0}, x->next={12638:0}, x->next != ((void*)0) && x->next->data == 0=0, x->next->data=1] [L1030] COND FALSE !(x->next != ((void*)0) && x->next->data == 0) [L1035] EXPR x->next [L1035] x->next != ((void*)0) && __VERIFIER_nondet_int() [L1035] x->next != ((void*)0) && __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, head={-1:0}, marked=0, x={-1:0}, x->next={12638:0}, x->next != ((void*)0) && __VERIFIER_nondet_int()=1] [L1035] COND TRUE x->next != ((void*)0) && __VERIFIER_nondet_int() [L1037] EXPR x->next [L1037] x = x->next [L1038] EXPR x->data VAL [head={-1:0}, marked=0, x={12638:0}, x->data=1] [L1038] COND TRUE !(x->data != 1) [L1038] reach_error() VAL [head={-1:0}, marked=0, x={12638:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.04ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 92.9MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.38ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 90.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.62ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 88.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 600.37ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 53.7MB in the end (delta: 35.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 128088.61ms. Allocated memory was 142.6MB in the beginning and 664.8MB in the end (delta: 522.2MB). Free memory was 53.7MB in the beginning and 277.8MB in the end (delta: -224.1MB). Peak memory consumption was 299.8MB. Max. memory is 16.1GB. * Witness Printer took 33.19ms. Allocated memory is still 664.8MB. Free memory was 277.8MB in the beginning and 275.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 01:59:39,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d3ec23-9c0f-40b4-9acc-a992dba9734b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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-memcleanup)