./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5f619-f0a4-4725-94e0-d567915d5ce0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5f619-f0a4-4725-94e0-d567915d5ce0/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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5f619-f0a4-4725-94e0-d567915d5ce0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-01-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5f619-f0a4-4725-94e0-d567915d5ce0/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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/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 652acbc8fb2d659424086f7ee4bd5fc2f45ff1d49f46cde68db4fdee1ed0638e --- 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 17:06:32,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:06:32,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:06:32,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:06:32,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:06:32,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:06:32,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:06:32,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:06:32,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:06:32,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:06:32,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:06:32,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:06:32,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:06:32,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:06:32,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:06:32,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:06:32,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:06:32,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:06:32,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:06:32,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:06:32,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:06:32,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:06:32,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:06:32,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:06:32,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:06:32,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:06:32,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:06:32,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:06:32,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:06:32,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:06:32,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:06:32,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:06:32,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:06:32,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:06:32,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:06:32,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:06:32,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:06:32,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:06:32,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:06:32,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:06:32,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:06:32,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5f619-f0a4-4725-94e0-d567915d5ce0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:06:32,878 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:06:32,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:06:32,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:06:32,880 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:06:32,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:06:32,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:06:32,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:06:32,882 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:06:32,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:06:32,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:06:32,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:06:32,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:06:32,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:06:32,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:06:32,883 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:06:32,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:06:32,884 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:06:32,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:06:32,884 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:06:32,884 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:06:32,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:06:32,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:32,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:06:32,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:06:32,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:06:32,886 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:06:32,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:06:32,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:06:32,894 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5f619-f0a4-4725-94e0-d567915d5ce0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 652acbc8fb2d659424086f7ee4bd5fc2f45ff1d49f46cde68db4fdee1ed0638e [2022-10-17 17:06:33,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:06:33,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:06:33,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:06:33,180 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:06:33,181 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:06:33,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5f619-f0a4-4725-94e0-d567915d5ce0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/dll-01-2.i [2022-10-17 17:06:33,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5f619-f0a4-4725-94e0-d567915d5ce0/bin/ukojak-92XMlrwhuB/data/8cadc1bf3/2fe28c39f2d246f78c343374fe918d50/FLAG6f8de1273 [2022-10-17 17:06:33,747 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:06:33,748 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i [2022-10-17 17:06:33,766 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5f619-f0a4-4725-94e0-d567915d5ce0/bin/ukojak-92XMlrwhuB/data/8cadc1bf3/2fe28c39f2d246f78c343374fe918d50/FLAG6f8de1273 [2022-10-17 17:06:34,065 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5f619-f0a4-4725-94e0-d567915d5ce0/bin/ukojak-92XMlrwhuB/data/8cadc1bf3/2fe28c39f2d246f78c343374fe918d50 [2022-10-17 17:06:34,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:06:34,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:06:34,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:34,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:06:34,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:06:34,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:34" (1/1) ... [2022-10-17 17:06:34,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c624e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:34, skipping insertion in model container [2022-10-17 17:06:34,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:34" (1/1) ... [2022-10-17 17:06:34,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:06:34,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:06:34,573 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[22080,22093] [2022-10-17 17:06:34,588 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[22353,22366] [2022-10-17 17:06:34,592 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[22587,22600] [2022-10-17 17:06:34,594 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[22657,22670] [2022-10-17 17:06:34,601 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[22924,22937] [2022-10-17 17:06:34,603 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[23032,23045] [2022-10-17 17:06:34,606 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[23263,23276] [2022-10-17 17:06:34,609 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[23343,23356] [2022-10-17 17:06:34,610 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[23422,23435] [2022-10-17 17:06:34,612 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[23512,23525] [2022-10-17 17:06:34,615 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[23690,23703] [2022-10-17 17:06:34,616 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[23768,23781] [2022-10-17 17:06:34,617 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[23845,23858] [2022-10-17 17:06:34,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:34,628 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:06:34,667 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[22080,22093] [2022-10-17 17:06:34,669 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[22353,22366] [2022-10-17 17:06:34,671 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[22587,22600] [2022-10-17 17:06:34,672 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[22657,22670] [2022-10-17 17:06:34,674 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[22924,22937] [2022-10-17 17:06:34,675 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[23032,23045] [2022-10-17 17:06:34,676 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[23263,23276] [2022-10-17 17:06:34,677 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[23343,23356] [2022-10-17 17:06:34,678 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[23422,23435] [2022-10-17 17:06:34,679 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[23512,23525] [2022-10-17 17:06:34,686 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[23690,23703] [2022-10-17 17:06:34,687 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[23768,23781] [2022-10-17 17:06:34,689 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_b1e5f619-f0a4-4725-94e0-d567915d5ce0/sv-benchmarks/c/forester-heap/dll-01-2.i[23845,23858] [2022-10-17 17:06:34,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:34,732 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:06:34,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:34 WrapperNode [2022-10-17 17:06:34,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:34,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:34,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:06:34,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:06:34,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:34" (1/1) ... [2022-10-17 17:06:34,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:34" (1/1) ... [2022-10-17 17:06:34,807 INFO L138 Inliner]: procedures = 119, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 225 [2022-10-17 17:06:34,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:34,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:06:34,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:06:34,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:06:34,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:34" (1/1) ... [2022-10-17 17:06:34,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:34" (1/1) ... [2022-10-17 17:06:34,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:34" (1/1) ... [2022-10-17 17:06:34,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:34" (1/1) ... [2022-10-17 17:06:34,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:34" (1/1) ... [2022-10-17 17:06:34,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:34" (1/1) ... [2022-10-17 17:06:34,857 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:34" (1/1) ... [2022-10-17 17:06:34,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:34" (1/1) ... [2022-10-17 17:06:34,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:06:34,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:06:34,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:06:34,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:06:34,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:34" (1/1) ... [2022-10-17 17:06:34,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:34,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5f619-f0a4-4725-94e0-d567915d5ce0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:06:34,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5f619-f0a4-4725-94e0-d567915d5ce0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:06:34,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5f619-f0a4-4725-94e0-d567915d5ce0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:06:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:06:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:06:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:06:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:06:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:06:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:06:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:06:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:06:35,101 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:06:35,103 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:06:35,561 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:06:35,661 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:06:35,661 INFO L300 CfgBuilder]: Removed 30 assume(true) statements. [2022-10-17 17:06:35,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:35 BoogieIcfgContainer [2022-10-17 17:06:35,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:06:35,665 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:06:35,665 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:06:35,680 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:06:35,680 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:35" (1/1) ... [2022-10-17 17:06:35,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:06:35,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:35,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 74 states and 118 transitions. [2022-10-17 17:06:35,802 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 118 transitions. [2022-10-17 17:06:35,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:06:35,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:35,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:35,981 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 17:06:36,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:36,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2022-10-17 17:06:36,009 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2022-10-17 17:06:36,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:06:36,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:36,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:36,618 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 17:06:36,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:36,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 108 transitions. [2022-10-17 17:06:36,661 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2022-10-17 17:06:36,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:06:36,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:36,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:36,790 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 17:06:36,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:36,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2022-10-17 17:06:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2022-10-17 17:06:36,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:06:36,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:36,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:38,098 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 17:06:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2022-10-17 17:06:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2022-10-17 17:06:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:06:38,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:38,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:38,465 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 17:06:38,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:38,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 74 states and 109 transitions. [2022-10-17 17:06:38,739 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2022-10-17 17:06:38,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:06:38,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:38,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:38,888 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 17:06:38,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:38,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2022-10-17 17:06:38,936 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2022-10-17 17:06:38,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:06:38,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:38,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:39,054 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 17:06:39,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:39,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2022-10-17 17:06:39,103 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2022-10-17 17:06:39,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:06:39,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:39,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:39,212 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 17:06:39,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:39,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2022-10-17 17:06:39,255 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2022-10-17 17:06:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:06:39,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:39,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:39,370 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 17:06:39,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:39,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2022-10-17 17:06:39,480 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2022-10-17 17:06:39,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:06:39,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:39,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:39,843 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 17:06:39,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:39,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 72 states and 96 transitions. [2022-10-17 17:06:39,901 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2022-10-17 17:06:39,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:06:39,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:39,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:43,331 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 17:06:46,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:46,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 83 states and 112 transitions. [2022-10-17 17:06:46,115 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2022-10-17 17:06:46,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:06:46,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:46,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:49,471 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 17:06:53,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:53,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 97 states and 131 transitions. [2022-10-17 17:06:53,688 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 131 transitions. [2022-10-17 17:06:53,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:06:53,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:53,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:53,755 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 17:06:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 95 states and 129 transitions. [2022-10-17 17:06:53,773 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions. [2022-10-17 17:06:53,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:06:53,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:53,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:54,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:54,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 103 states and 138 transitions. [2022-10-17 17:06:54,853 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 138 transitions. [2022-10-17 17:06:54,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:06:54,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:54,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:55,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:55,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:55,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 88 states and 119 transitions. [2022-10-17 17:06:55,300 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2022-10-17 17:06:55,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:06:55,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:55,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:02,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:02,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 98 states and 138 transitions. [2022-10-17 17:07:02,850 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 138 transitions. [2022-10-17 17:07:02,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:07:02,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:02,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat