./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:01:07,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:07,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:07,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:07,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:07,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:07,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:07,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:07,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:07,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:07,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:07,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:07,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:07,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:07,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:07,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:07,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:07,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:07,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:07,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:07,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:07,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:07,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:07,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:07,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:07,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:07,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:07,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:07,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:07,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:07,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:07,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:07,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:07,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:07,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:07,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:07,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:07,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:07,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:07,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:07,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:07,445 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:01:07,478 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:07,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:07,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:07,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:07,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:07,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:07,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:07,482 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:07,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:07,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:07,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:07,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:07,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:07,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:07,484 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:07,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:07,484 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:07,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:07,484 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:07,485 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:07,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:07,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:07,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:07,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:07,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:07,486 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:07,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:07,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:07,487 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_d1aeff52-999c-48b8-bb31-0b71423a67ab/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3 [2022-10-17 17:01:07,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:07,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:07,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:07,772 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:07,773 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:07,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i [2022-10-17 17:01:07,859 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/bin/ukojak-92XMlrwhuB/data/ef5653afd/55da5bbff4934034a426bdcaac77d847/FLAGec76516b1 [2022-10-17 17:01:08,581 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:08,583 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i [2022-10-17 17:01:08,610 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/bin/ukojak-92XMlrwhuB/data/ef5653afd/55da5bbff4934034a426bdcaac77d847/FLAGec76516b1 [2022-10-17 17:01:08,738 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/bin/ukojak-92XMlrwhuB/data/ef5653afd/55da5bbff4934034a426bdcaac77d847 [2022-10-17 17:01:08,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:08,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:08,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:08,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:08,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:08,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:08" (1/1) ... [2022-10-17 17:01:08,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d8d1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:08, skipping insertion in model container [2022-10-17 17:01:08,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:08" (1/1) ... [2022-10-17 17:01:08,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:08,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:09,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i[44118,44131] [2022-10-17 17:01:09,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i[44660,44673] [2022-10-17 17:01:09,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i[56247,56260] [2022-10-17 17:01:09,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i[56368,56381] [2022-10-17 17:01:09,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:09,677 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:09,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i[44118,44131] [2022-10-17 17:01:09,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i[44660,44673] [2022-10-17 17:01:09,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i[56247,56260] [2022-10-17 17:01:09,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i[56368,56381] [2022-10-17 17:01:09,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:09,917 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:09,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:09 WrapperNode [2022-10-17 17:01:09,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:09,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:09,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:09,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:09,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:09" (1/1) ... [2022-10-17 17:01:09,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:09" (1/1) ... [2022-10-17 17:01:10,077 INFO L138 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1040 [2022-10-17 17:01:10,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:10,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:10,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:10,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:10,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:09" (1/1) ... [2022-10-17 17:01:10,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:09" (1/1) ... [2022-10-17 17:01:10,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:09" (1/1) ... [2022-10-17 17:01:10,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:09" (1/1) ... [2022-10-17 17:01:10,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:09" (1/1) ... [2022-10-17 17:01:10,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:09" (1/1) ... [2022-10-17 17:01:10,183 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:09" (1/1) ... [2022-10-17 17:01:10,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:09" (1/1) ... [2022-10-17 17:01:10,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:10,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:10,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:10,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:10,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:09" (1/1) ... [2022-10-17 17:01:10,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:10,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:10,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:10,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1aeff52-999c-48b8-bb31-0b71423a67ab/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:01:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 17:01:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:01:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:01:10,324 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2022-10-17 17:01:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2022-10-17 17:01:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:01:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:01:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:01:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:01:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:01:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2022-10-17 17:01:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2022-10-17 17:01:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:01:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2022-10-17 17:01:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2022-10-17 17:01:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:10,594 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:10,601 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:12,270 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:12,741 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:12,741 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-10-17 17:01:12,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:12 BoogieIcfgContainer [2022-10-17 17:01:12,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:12,750 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:12,751 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:12,761 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:12,762 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:12" (1/1) ... [2022-10-17 17:01:12,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:12,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:12,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 142 states and 234 transitions. [2022-10-17 17:01:12,862 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 234 transitions. [2022-10-17 17:01:12,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:01:12,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:12,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:13,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:13,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:13,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 142 states and 231 transitions. [2022-10-17 17:01:13,134 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 231 transitions. [2022-10-17 17:01:13,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:01:13,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:13,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:13,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:13,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:13,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 144 states and 234 transitions. [2022-10-17 17:01:13,410 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 234 transitions. [2022-10-17 17:01:13,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:01:13,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:13,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:13,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:01:13,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:13,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:13,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:13,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 144 states and 225 transitions. [2022-10-17 17:01:13,634 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 225 transitions. [2022-10-17 17:01:13,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:01:13,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:13,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:13,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:01:13,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:13,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:13,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:13,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 144 states and 223 transitions. [2022-10-17 17:01:13,801 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 223 transitions. [2022-10-17 17:01:13,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:01:13,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:13,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:13,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:01:13,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:13,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:13,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:13,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 144 states and 221 transitions. [2022-10-17 17:01:13,956 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 221 transitions. [2022-10-17 17:01:13,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:01:13,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:13,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:14,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:14,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:14,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:14,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:14,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 149 states and 232 transitions. [2022-10-17 17:01:14,973 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 232 transitions. [2022-10-17 17:01:14,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:01:14,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:14,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:15,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:01:15,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:15,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:15,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:15,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 149 states and 222 transitions. [2022-10-17 17:01:15,286 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 222 transitions. [2022-10-17 17:01:15,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:01:15,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:15,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:16,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 1647 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:01:16,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:16,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 161 states and 237 transitions. [2022-10-17 17:01:16,476 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 237 transitions. [2022-10-17 17:01:16,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:01:16,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:16,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:16,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 17:01:16,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:16,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:18,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:18,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 186 states and 283 transitions. [2022-10-17 17:01:18,250 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 283 transitions. [2022-10-17 17:01:18,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:01:18,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:18,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:18,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 1661 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:01:18,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:18,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:18,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:18,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 186 states and 281 transitions. [2022-10-17 17:01:18,937 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 281 transitions. [2022-10-17 17:01:18,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:01:18,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:18,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:19,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 1667 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:01:19,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:19,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:01:19,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:19,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 189 states and 283 transitions. [2022-10-17 17:01:19,707 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 283 transitions. [2022-10-17 17:01:19,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:01:19,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:19,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:19,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 17:01:19,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:19,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:01:20,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:20,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 192 states and 285 transitions. [2022-10-17 17:01:20,014 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 285 transitions. [2022-10-17 17:01:20,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:01:20,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:20,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:20,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:01:20,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:20,291 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:21,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:21,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 198 states and 297 transitions. [2022-10-17 17:01:21,168 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 297 transitions. [2022-10-17 17:01:21,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:01:21,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:21,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:21,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:01:21,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:21,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:01:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:21,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 196 states and 292 transitions. [2022-10-17 17:01:21,436 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 292 transitions. [2022-10-17 17:01:21,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 17:01:21,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:21,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:21,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:21,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:21,929 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:01:22,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:22,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 209 states and 308 transitions. [2022-10-17 17:01:22,717 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 308 transitions. [2022-10-17 17:01:22,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:01:22,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:22,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:23,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:01:23,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:23,042 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 17:01:23,102 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-10-17 17:01:23,171 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:01:23,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:23,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 211 states and 311 transitions. [2022-10-17 17:01:23,308 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 311 transitions. [2022-10-17 17:01:23,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:01:23,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:23,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:23,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:01:23,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:01:23,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:23,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 211 states and 308 transitions. [2022-10-17 17:01:23,616 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 308 transitions. [2022-10-17 17:01:23,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:01:23,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:23,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:23,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:01:23,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 17:01:23,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:23,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 211 states and 306 transitions. [2022-10-17 17:01:23,970 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 306 transitions. [2022-10-17 17:01:23,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 17:01:23,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:23,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:24,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:01:24,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:01:24,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:24,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 211 states and 302 transitions. [2022-10-17 17:01:24,301 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 302 transitions. [2022-10-17 17:01:24,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 17:01:24,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:24,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:24,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:01:24,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:24,962 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 17:01:26,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:26,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 226 states and 332 transitions. [2022-10-17 17:01:26,743 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 332 transitions. [2022-10-17 17:01:26,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 17:01:26,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:26,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:27,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:01:27,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:01:27,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:27,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 229 states and 334 transitions. [2022-10-17 17:01:27,172 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 334 transitions. [2022-10-17 17:01:27,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 17:01:27,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:27,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:27,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 17:01:27,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:28,532 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:01:31,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:31,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 235 states and 351 transitions. [2022-10-17 17:01:31,923 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 351 transitions. [2022-10-17 17:01:31,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 17:01:31,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:31,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:33,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 17:01:33,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:33,526 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:01:35,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:35,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 237 states and 355 transitions. [2022-10-17 17:01:35,386 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 355 transitions. [2022-10-17 17:01:35,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-17 17:01:35,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:35,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms