./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d5c55d9a4a2ded389ff7ce077afdc88fb2d2855921e5fd1e3b93fbba7e140e8 --- 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-6b4ec56 [2022-11-20 17:34:24,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:34:24,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:34:24,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:34:24,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:34:24,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:34:24,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:34:24,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:34:24,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:34:24,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:34:24,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:34:24,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:34:24,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:34:24,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:34:24,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:34:24,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:34:24,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:34:24,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:34:24,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:34:24,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:34:24,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:34:24,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:34:24,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:34:24,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:34:24,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:34:24,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:34:24,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:34:24,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:34:24,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:34:24,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:34:24,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:34:24,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:34:24,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:34:24,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:34:24,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:34:24,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:34:24,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:34:24,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:34:24,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:34:24,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:34:24,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:34:24,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 17:34:24,828 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:34:24,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:34:24,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:34:24,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:34:24,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:34:24,830 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:34:24,831 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:34:24,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:34:24,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:34:24,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:34:24,831 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:34:24,832 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:34:24,832 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:34:24,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:34:24,832 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:34:24,833 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:34:24,833 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:34:24,833 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:34:24,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:34:24,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:34:24,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:34:24,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:34:24,834 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:34:24,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:34:24,835 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_c2a8d564-2b75-410f-a40b-fc89cca86560/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d5c55d9a4a2ded389ff7ce077afdc88fb2d2855921e5fd1e3b93fbba7e140e8 [2022-11-20 17:34:25,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:34:25,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:34:25,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:34:25,180 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:34:25,181 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:34:25,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2022-11-20 17:34:28,433 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:34:28,670 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:34:28,671 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2022-11-20 17:34:28,683 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/bin/ukojak-pZX7IvK2PQ/data/776f47f72/5913a944e44b4442b8639193db12b2c5/FLAG7c4799486 [2022-11-20 17:34:28,698 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/bin/ukojak-pZX7IvK2PQ/data/776f47f72/5913a944e44b4442b8639193db12b2c5 [2022-11-20 17:34:28,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:34:28,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:34:28,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:34:28,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:34:28,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:34:28,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:34:28" (1/1) ... [2022-11-20 17:34:28,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c6fb62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:28, skipping insertion in model container [2022-11-20 17:34:28,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:34:28" (1/1) ... [2022-11-20 17:34:28,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:34:28,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:34:29,075 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i[24275,24288] [2022-11-20 17:34:29,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:34:29,090 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:34:29,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i[24275,24288] [2022-11-20 17:34:29,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:34:29,202 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:34:29,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:29 WrapperNode [2022-11-20 17:34:29,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:34:29,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:34:29,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:34:29,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:34:29,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:29" (1/1) ... [2022-11-20 17:34:29,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:29" (1/1) ... [2022-11-20 17:34:29,284 INFO L138 Inliner]: procedures = 126, calls = 35, calls flagged for inlining = 6, calls inlined = 5, statements flattened = 104 [2022-11-20 17:34:29,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:34:29,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:34:29,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:34:29,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:34:29,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:29" (1/1) ... [2022-11-20 17:34:29,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:29" (1/1) ... [2022-11-20 17:34:29,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:29" (1/1) ... [2022-11-20 17:34:29,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:29" (1/1) ... [2022-11-20 17:34:29,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:29" (1/1) ... [2022-11-20 17:34:29,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:29" (1/1) ... [2022-11-20 17:34:29,343 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:29" (1/1) ... [2022-11-20 17:34:29,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:29" (1/1) ... [2022-11-20 17:34:29,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:34:29,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:34:29,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:34:29,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:34:29,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:29" (1/1) ... [2022-11-20 17:34:29,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:34:29,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:34:29,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:34:29,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a8d564-2b75-410f-a40b-fc89cca86560/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:34:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:34:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:34:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:34:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:34:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:34:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:34:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:34:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 17:34:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:34:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:34:29,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:34:29,571 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:34:29,574 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:34:29,935 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:34:29,982 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:34:29,982 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:34:29,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:34:29 BoogieIcfgContainer [2022-11-20 17:34:29,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:34:29,986 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:34:29,986 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:34:29,997 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:34:29,997 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:34:29" (1/1) ... [2022-11-20 17:34:30,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:34:30,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:30,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2022-11-20 17:34:30,069 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2022-11-20 17:34:30,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:34:30,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:30,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:30,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:30,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:30,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2022-11-20 17:34:30,416 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2022-11-20 17:34:30,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:34:30,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:30,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:30,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:30,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2022-11-20 17:34:30,528 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2022-11-20 17:34:30,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:34:30,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:30,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:30,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:30,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:30,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2022-11-20 17:34:30,775 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2022-11-20 17:34:30,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:34:30,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:30,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:30,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:30,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2022-11-20 17:34:30,867 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2022-11-20 17:34:30,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:34:30,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:30,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:30,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:31,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:31,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2022-11-20 17:34:31,076 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2022-11-20 17:34:31,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:34:31,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:31,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:31,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:31,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:31,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2022-11-20 17:34:31,130 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2022-11-20 17:34:31,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:34:31,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:31,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:31,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:31,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:31,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2022-11-20 17:34:31,262 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2022-11-20 17:34:31,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:34:31,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:31,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:31,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:31,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 68 states and 78 transitions. [2022-11-20 17:34:31,709 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2022-11-20 17:34:31,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:34:31,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:31,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:31,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:32,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:32,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2022-11-20 17:34:32,241 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2022-11-20 17:34:32,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:34:32,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:32,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:32,572 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:33,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:33,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 83 states and 101 transitions. [2022-11-20 17:34:33,540 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2022-11-20 17:34:33,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:34:33,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:33,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:35,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:35,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 91 states and 118 transitions. [2022-11-20 17:34:35,275 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2022-11-20 17:34:35,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:34:35,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:35,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:35,446 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:36,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:36,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 93 states and 121 transitions. [2022-11-20 17:34:36,332 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2022-11-20 17:34:36,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:34:36,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:36,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:36,716 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:34:39,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:39,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 111 states and 160 transitions. [2022-11-20 17:34:39,739 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2022-11-20 17:34:39,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:34:39,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:39,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:45,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:45,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 129 states and 204 transitions. [2022-11-20 17:34:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 204 transitions. [2022-11-20 17:34:45,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:34:45,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:45,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:46,064 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:34:51,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:51,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 146 states and 246 transitions. [2022-11-20 17:34:51,399 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 246 transitions. [2022-11-20 17:34:51,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:34:51,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:51,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:51,908 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:34:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 151 states and 258 transitions. [2022-11-20 17:34:55,089 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 258 transitions. [2022-11-20 17:34:55,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:34:55,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:55,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:35:01,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:01,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 156 states and 274 transitions. [2022-11-20 17:35:01,120 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 274 transitions. [2022-11-20 17:35:01,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:35:01,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:01,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:01,159 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:35:01,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:01,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 158 states and 278 transitions. [2022-11-20 17:35:01,778 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 278 transitions. [2022-11-20 17:35:01,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:35:01,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:01,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:35:03,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:03,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 161 states and 283 transitions. [2022-11-20 17:35:03,193 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 283 transitions. [2022-11-20 17:35:03,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:35:03,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:03,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:03,267 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:35:03,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:03,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 162 states and 284 transitions. [2022-11-20 17:35:03,291 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 284 transitions. [2022-11-20 17:35:03,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:35:03,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:03,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:03,455 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:35:03,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:03,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 163 states and 285 transitions. [2022-11-20 17:35:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 285 transitions. [2022-11-20 17:35:03,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:35:03,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:03,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:03,726 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:35:06,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 85 states and 105 transitions. [2022-11-20 17:35:06,791 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 105 transitions. [2022-11-20 17:35:06,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:35:06,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:06,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:35:08,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:08,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 88 states and 111 transitions. [2022-11-20 17:35:08,424 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 111 transitions. [2022-11-20 17:35:08,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:35:08,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:08,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:09,305 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:35:11,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:11,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 91 states and 118 transitions. [2022-11-20 17:35:11,329 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2022-11-20 17:35:11,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:35:11,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:11,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:12,324 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:35:13,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 93 states and 122 transitions. [2022-11-20 17:35:13,931 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 122 transitions. [2022-11-20 17:35:13,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:35:13,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:13,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:15,065 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:35:24,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:24,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 100 states and 135 transitions. [2022-11-20 17:35:24,088 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 135 transitions. [2022-11-20 17:35:24,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:35:24,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:24,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:35:30,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:30,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 104 states and 145 transitions. [2022-11-20 17:35:30,718 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 145 transitions. [2022-11-20 17:35:30,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:35:30,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:30,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:35:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:31,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 103 states and 144 transitions. [2022-11-20 17:35:31,624 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2022-11-20 17:35:31,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:35:31,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:31,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:35:34,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 102 states and 143 transitions. [2022-11-20 17:35:34,199 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 143 transitions. [2022-11-20 17:35:34,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:35:34,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:34,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:34,567 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:35:37,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:37,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 106 states and 148 transitions. [2022-11-20 17:35:37,560 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 148 transitions. [2022-11-20 17:35:37,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:35:37,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:37,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:42,038 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:36:07,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:07,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 114 states and 166 transitions. [2022-11-20 17:36:07,568 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 166 transitions. [2022-11-20 17:36:07,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:36:07,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:07,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:10,820 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:36:29,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 122 states and 183 transitions. [2022-11-20 17:36:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 183 transitions. [2022-11-20 17:36:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:36:29,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:29,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:32,465 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:36:49,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 131 states and 202 transitions. [2022-11-20 17:36:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 202 transitions. [2022-11-20 17:36:49,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:36:49,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:49,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:50,011 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:36:54,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:54,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 135 states and 207 transitions. [2022-11-20 17:36:54,121 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 207 transitions. [2022-11-20 17:36:54,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:36:54,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:54,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:54,571 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:36:59,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:59,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 138 states and 213 transitions. [2022-11-20 17:36:59,672 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 213 transitions. [2022-11-20 17:36:59,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:36:59,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:59,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:00,977 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:37:10,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:10,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 143 states and 226 transitions. [2022-11-20 17:37:10,880 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 226 transitions. [2022-11-20 17:37:10,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:37:10,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:10,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:16,765 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:25,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:25,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 146 states and 230 transitions. [2022-11-20 17:37:25,533 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 230 transitions. [2022-11-20 17:37:25,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:37:25,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:25,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:35,653 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:27,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:27,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 154 states and 248 transitions. [2022-11-20 17:38:27,294 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 248 transitions. [2022-11-20 17:38:27,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:38:27,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:27,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:27,835 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:38:47,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 164 states and 270 transitions. [2022-11-20 17:38:47,852 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 270 transitions. [2022-11-20 17:38:47,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:38:47,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:47,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:48,426 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:39:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:09,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 171 states and 287 transitions. [2022-11-20 17:39:09,227 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 287 transitions. [2022-11-20 17:39:09,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:39:09,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:09,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:10,494 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:39:31,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:31,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 178 states and 304 transitions. [2022-11-20 17:39:31,487 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 304 transitions. [2022-11-20 17:39:31,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:39:31,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:31,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:52,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:52,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 191 states and 334 transitions. [2022-11-20 17:40:52,251 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 334 transitions. [2022-11-20 17:40:52,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:40:52,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:52,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:59,477 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:41:31,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:31,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 195 states and 339 transitions. [2022-11-20 17:41:31,119 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 339 transitions. [2022-11-20 17:41:31,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:41:31,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:31,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:31,160 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:41:40,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:40,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 198 states and 346 transitions. [2022-11-20 17:41:40,807 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 346 transitions. [2022-11-20 17:41:40,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:41:40,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:40,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:40,977 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 17:42:10,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:10,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 208 states and 371 transitions. [2022-11-20 17:42:10,135 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 371 transitions. [2022-11-20 17:42:10,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:42:10,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:10,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:14,095 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:43:26,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:26,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 223 states and 405 transitions. [2022-11-20 17:43:26,726 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 405 transitions. [2022-11-20 17:43:26,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:43:26,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:26,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:26,871 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 17:43:27,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:27,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 224 states and 408 transitions. [2022-11-20 17:43:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 408 transitions. [2022-11-20 17:43:27,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:43:27,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:27,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:28,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 17:44:02,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:02,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 234 states and 430 transitions. [2022-11-20 17:44:02,162 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 430 transitions. [2022-11-20 17:44:02,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:44:02,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:02,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:08,132 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:45:00,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:00,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 246 states and 460 transitions. [2022-11-20 17:45:00,039 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 460 transitions. [2022-11-20 17:45:00,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:45:00,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:00,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:13,711 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:46:11,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:11,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 257 states and 487 transitions. [2022-11-20 17:46:11,105 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 487 transitions. [2022-11-20 17:46:11,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 17:46:11,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:11,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:17,108 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:47:10,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:10,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 269 states and 515 transitions. [2022-11-20 17:47:10,998 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 515 transitions. [2022-11-20 17:47:10,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:47:10,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:10,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:14,081 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:47:50,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 277 states and 537 transitions. [2022-11-20 17:47:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 537 transitions. [2022-11-20 17:47:50,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:47:50,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:50,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:59,308 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.