./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2n_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1fd0aba5d9be2820550e57012fb4e12f76fe291bb253443319d08539e5b2ba1a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 00:02:07,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:02:07,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:02:07,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:02:07,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:02:07,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:02:07,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:02:07,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:02:07,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:02:07,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:02:07,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:02:07,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:02:07,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:02:07,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:02:07,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:02:07,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:02:07,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:02:07,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:02:07,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:02:07,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:02:07,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:02:07,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:02:07,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:02:07,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:02:07,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:02:07,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:02:07,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:02:07,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:02:07,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:02:07,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:02:07,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:02:07,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:02:07,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:02:07,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:02:07,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:02:07,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:02:07,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:02:07,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:02:07,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:02:07,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:02:07,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:02:07,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 00:02:07,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:02:07,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:02:07,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:02:07,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:02:07,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:02:07,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:02:07,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:02:07,629 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:02:07,629 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:02:07,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:02:07,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:02:07,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:02:07,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:02:07,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:02:07,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:02:07,638 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:02:07,638 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:02:07,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:02:07,638 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:02:07,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:02:07,639 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:02:07,639 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:02:07,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:02:07,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:02:07,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:02:07,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:02:07,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:02:07,640 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:02:07,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:02:07,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:02:07,640 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_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fd0aba5d9be2820550e57012fb4e12f76fe291bb253443319d08539e5b2ba1a [2022-12-15 00:02:07,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:02:07,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:02:07,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:02:07,848 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:02:07,848 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:02:07,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-simple/sll2n_update_all.i [2022-12-15 00:02:10,468 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:02:10,659 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:02:10,660 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/sv-benchmarks/c/list-simple/sll2n_update_all.i [2022-12-15 00:02:10,667 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4/data/c04025823/4e0f413b841c4463ab629c999a6bfc73/FLAG2a77f64b6 [2022-12-15 00:02:10,677 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4/data/c04025823/4e0f413b841c4463ab629c999a6bfc73 [2022-12-15 00:02:10,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:02:10,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:02:10,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:02:10,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:02:10,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:02:10,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:02:10" (1/1) ... [2022-12-15 00:02:10,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@293abc7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:10, skipping insertion in model container [2022-12-15 00:02:10,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:02:10" (1/1) ... [2022-12-15 00:02:10,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:02:10,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:02:10,926 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_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/sv-benchmarks/c/list-simple/sll2n_update_all.i[24218,24231] [2022-12-15 00:02:10,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:02:10,934 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:02:10,970 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_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/sv-benchmarks/c/list-simple/sll2n_update_all.i[24218,24231] [2022-12-15 00:02:10,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:02:10,996 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:02:10,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:10 WrapperNode [2022-12-15 00:02:10,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:02:10,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:02:10,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:02:10,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:02:11,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:10" (1/1) ... [2022-12-15 00:02:11,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:10" (1/1) ... [2022-12-15 00:02:11,033 INFO L138 Inliner]: procedures = 126, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2022-12-15 00:02:11,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:02:11,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:02:11,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:02:11,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:02:11,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:10" (1/1) ... [2022-12-15 00:02:11,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:10" (1/1) ... [2022-12-15 00:02:11,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:10" (1/1) ... [2022-12-15 00:02:11,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:10" (1/1) ... [2022-12-15 00:02:11,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:10" (1/1) ... [2022-12-15 00:02:11,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:10" (1/1) ... [2022-12-15 00:02:11,055 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:10" (1/1) ... [2022-12-15 00:02:11,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:10" (1/1) ... [2022-12-15 00:02:11,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:02:11,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:02:11,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:02:11,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:02:11,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:02:10" (1/1) ... [2022-12-15 00:02:11,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:02:11,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:02:11,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:02:11,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:02:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 00:02:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 00:02:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 00:02:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:02:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 00:02:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-15 00:02:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:02:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:02:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:02:11,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:02:11,194 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:02:11,196 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:02:11,370 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:02:11,410 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:02:11,410 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-15 00:02:11,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:02:11 BoogieIcfgContainer [2022-12-15 00:02:11,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:02:11,413 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:02:11,413 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:02:11,420 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:02:11,421 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:02:11" (1/1) ... [2022-12-15 00:02:11,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:02:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:11,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2022-12-15 00:02:11,468 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2022-12-15 00:02:11,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 00:02:11,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:11,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:11,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:11,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:11,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2022-12-15 00:02:11,634 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2022-12-15 00:02:11,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 00:02:11,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:11,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:11,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:11,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:11,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2022-12-15 00:02:11,803 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2022-12-15 00:02:11,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:02:11,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:11,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:11,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:11,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:11,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 45 states and 55 transitions. [2022-12-15 00:02:11,950 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-12-15 00:02:11,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:02:11,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:11,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:12,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:12,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2022-12-15 00:02:12,086 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-12-15 00:02:12,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:02:12,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:12,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:02:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:12,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-12-15 00:02:12,194 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-12-15 00:02:12,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:02:12,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:12,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:12,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:12,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2022-12-15 00:02:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-12-15 00:02:12,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:02:12,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:12,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:02:12,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:12,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2022-12-15 00:02:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-12-15 00:02:12,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:02:12,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:12,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:12,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:02:13,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:13,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 48 states and 59 transitions. [2022-12-15 00:02:13,219 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2022-12-15 00:02:13,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:02:13,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:13,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:02:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2022-12-15 00:02:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-12-15 00:02:13,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:02:13,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:13,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:13,989 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:02:14,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:14,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2022-12-15 00:02:14,035 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2022-12-15 00:02:14,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:02:14,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:14,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:14,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:02:14,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2022-12-15 00:02:14,239 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2022-12-15 00:02:14,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:02:14,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:14,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:14,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:02:14,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:14,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2022-12-15 00:02:14,286 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2022-12-15 00:02:14,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 00:02:14,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:14,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:14,399 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:02:14,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:14,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 59 states and 79 transitions. [2022-12-15 00:02:14,925 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-12-15 00:02:14,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:02:14,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:14,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:02:15,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:15,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2022-12-15 00:02:15,631 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2022-12-15 00:02:15,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:02:15,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:15,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:15,733 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:02:15,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:15,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2022-12-15 00:02:15,933 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2022-12-15 00:02:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:02:15,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:15,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 00:02:16,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:16,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2022-12-15 00:02:16,193 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2022-12-15 00:02:16,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 00:02:16,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:16,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:16,345 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:02:16,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:16,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 75 states and 111 transitions. [2022-12-15 00:02:16,777 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2022-12-15 00:02:16,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 00:02:16,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:16,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:16,851 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 00:02:16,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:16,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 74 states and 110 transitions. [2022-12-15 00:02:16,908 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 110 transitions. [2022-12-15 00:02:16,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 00:02:16,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:16,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:17,102 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:02:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:17,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 79 states and 121 transitions. [2022-12-15 00:02:17,800 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 121 transitions. [2022-12-15 00:02:17,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 00:02:17,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:17,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:02:17,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:17,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 80 states and 124 transitions. [2022-12-15 00:02:17,965 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 124 transitions. [2022-12-15 00:02:17,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:02:17,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:17,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:02:18,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:18,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 128 transitions. [2022-12-15 00:02:18,267 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2022-12-15 00:02:18,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:02:18,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:18,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:18,430 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-15 00:02:19,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:19,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 87 states and 135 transitions. [2022-12-15 00:02:19,106 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 135 transitions. [2022-12-15 00:02:19,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:02:19,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:19,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:19,144 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:02:19,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:19,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 88 states and 136 transitions. [2022-12-15 00:02:19,156 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 136 transitions. [2022-12-15 00:02:19,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:02:19,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:19,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:19,350 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:02:20,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:20,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 93 states and 145 transitions. [2022-12-15 00:02:20,378 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2022-12-15 00:02:20,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:02:20,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:20,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:02:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:20,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 94 states and 145 transitions. [2022-12-15 00:02:20,689 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2022-12-15 00:02:20,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 00:02:20,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:20,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:02:21,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:21,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 101 states and 156 transitions. [2022-12-15 00:02:21,292 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 156 transitions. [2022-12-15 00:02:21,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 00:02:21,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:21,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:02:23,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:23,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 114 states and 172 transitions. [2022-12-15 00:02:23,787 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 172 transitions. [2022-12-15 00:02:23,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 00:02:23,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:23,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:24,170 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:02:26,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:26,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 120 states and 179 transitions. [2022-12-15 00:02:26,210 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 179 transitions. [2022-12-15 00:02:26,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 00:02:26,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:26,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:26,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:02:26,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:26,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2022-12-15 00:02:26,536 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2022-12-15 00:02:26,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 00:02:26,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:26,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:26,605 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 00:02:26,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:26,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 62 states and 78 transitions. [2022-12-15 00:02:26,881 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2022-12-15 00:02:26,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 00:02:26,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:26,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:26,934 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-15 00:02:27,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:27,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 62 states and 77 transitions. [2022-12-15 00:02:27,205 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2022-12-15 00:02:27,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 00:02:27,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:27,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-15 00:02:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:28,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 69 states and 90 transitions. [2022-12-15 00:02:28,083 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2022-12-15 00:02:28,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 00:02:28,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:28,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:28,209 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-15 00:02:28,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2022-12-15 00:02:28,319 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2022-12-15 00:02:28,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 00:02:28,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:28,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:28,470 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 00:02:28,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:28,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 72 states and 97 transitions. [2022-12-15 00:02:28,761 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2022-12-15 00:02:28,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 00:02:28,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:28,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:28,960 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 00:02:29,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:29,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 106 transitions. [2022-12-15 00:02:29,674 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2022-12-15 00:02:29,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 00:02:29,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:29,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-15 00:02:31,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:31,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 82 states and 114 transitions. [2022-12-15 00:02:31,022 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2022-12-15 00:02:31,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 00:02:31,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:31,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:31,065 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-15 00:02:31,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:31,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 116 transitions. [2022-12-15 00:02:31,391 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2022-12-15 00:02:31,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 00:02:31,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:31,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:31,555 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 00:02:32,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:32,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 84 states and 116 transitions. [2022-12-15 00:02:32,005 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2022-12-15 00:02:32,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-15 00:02:32,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:32,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:32,257 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 00:02:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:33,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 90 states and 126 transitions. [2022-12-15 00:02:33,835 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2022-12-15 00:02:33,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-15 00:02:33,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:33,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 00:02:34,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:34,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 91 states and 126 transitions. [2022-12-15 00:02:34,156 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 126 transitions. [2022-12-15 00:02:34,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-15 00:02:34,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:34,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:34,420 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 00:02:38,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:38,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 107 states and 148 transitions. [2022-12-15 00:02:38,022 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 148 transitions. [2022-12-15 00:02:38,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-15 00:02:38,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:38,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:38,142 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 00:02:38,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:38,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 108 states and 148 transitions. [2022-12-15 00:02:38,432 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 148 transitions. [2022-12-15 00:02:38,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 00:02:38,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:38,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 00:02:41,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:41,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 115 states and 158 transitions. [2022-12-15 00:02:41,522 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2022-12-15 00:02:41,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 00:02:41,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:41,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:41,609 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 00:02:41,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:41,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 49 states and 52 transitions. [2022-12-15 00:02:41,993 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2022-12-15 00:02:41,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 00:02:41,993 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 45 iterations. [2022-12-15 00:02:42,000 INFO L754 CodeCheckObserver]: All specifications hold 14 specifications checked. All of them hold [2022-12-15 00:02:42,243 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2022-12-15 00:02:42,250 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:02:42,250 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2022-12-15 00:02:42,250 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-12-15 00:02:42,251 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:02:42,251 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-12-15 00:02:42,251 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-12-15 00:02:42,252 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2022-12-15 00:02:42,252 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2022-12-15 00:02:42,252 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:02:42,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:02:42 ImpRootNode [2022-12-15 00:02:42,253 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:02:42,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:02:42,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:02:42,253 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:02:42,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:02:11" (3/4) ... [2022-12-15 00:02:42,255 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 00:02:42,262 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-12-15 00:02:42,262 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-15 00:02:42,262 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 00:02:42,262 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 00:02:42,294 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:02:42,294 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:02:42,295 INFO L158 Benchmark]: Toolchain (without parser) took 31614.98ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 108.8MB in the beginning and 108.4MB in the end (delta: 413.4kB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2022-12-15 00:02:42,295 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:02:42,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.51ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 91.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 00:02:42,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.78ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:02:42,295 INFO L158 Benchmark]: Boogie Preprocessor took 24.66ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 87.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:02:42,296 INFO L158 Benchmark]: RCFGBuilder took 353.14ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 67.9MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 00:02:42,296 INFO L158 Benchmark]: CodeCheck took 30839.98ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 67.9MB in the beginning and 112.5MB in the end (delta: -44.7MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-12-15 00:02:42,296 INFO L158 Benchmark]: Witness Printer took 41.13ms. Allocated memory is still 211.8MB. Free memory was 112.5MB in the beginning and 108.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 00:02:42,297 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 40 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 30.6s, OverallIterations: 45, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6228 SdHoareTripleChecker+Valid, 20.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4943 mSDsluCounter, 1042 SdHoareTripleChecker+Invalid, 18.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 4621 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20450 IncrementalHoareTripleChecker+Invalid, 25071 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4621 mSolverCounterUnsat, 972 mSDtfsCounter, 20450 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8265 GetRequests, 7644 SyntacticMatches, 139 SemanticMatches, 482 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117864 ImplicationChecksByTransitivity, 26.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 1117 NumberOfCodeBlocks, 1117 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 1073 ConstructedInterpolants, 0 QuantifiedInterpolants, 2825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 44 InterpolantComputations, 13 PerfectInterpolantSequences, 423/590 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: (2 <= len && len <= 2) && 2 <= len + i - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: ((((index <= 0 && len <= i + 1) && 3 <= len + i) && i <= 1) || ((((2 <= len && 1 <= i) && index <= 1) && len <= 2) && index == i)) || (((2 <= len && i == 0) && len <= 2) && index == 0) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: ((2 <= len && len <= 2) && 2 <= len + i) && i <= 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((2 <= len && len <= 2) && len <= 1) || (2 == len && len == len) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: (!(len + i <= 3) && len <= i) || ((2 <= len && len <= 2) && 2 <= len + i) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (((2 <= len && 1 <= len) && len <= 2) && len <= 1) || (2 == len && len == len) - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (((((2 <= len && 1 <= i) && len <= 2) && index <= 1) && index == i) || (((2 <= len && i == 0) && len <= 2) && index == 0)) || (((len <= i + 1 && 3 <= len + i) && index <= 0) && i <= 1) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.51ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 91.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.78ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.66ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 87.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.14ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 67.9MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 30839.98ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 67.9MB in the beginning and 112.5MB in the end (delta: -44.7MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Witness Printer took 41.13ms. Allocated memory is still 211.8MB. Free memory was 112.5MB in the beginning and 108.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 00:02:42,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf18d5-1a7e-44d8-b7b0-618320dd8f76/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE