./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg --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 60a477b5dcc7be77af17ce3cc379f1876781ed95f896fb2ca2dbb7ba91ecb849 --- 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-b5237d8 [2022-11-21 23:04:33,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:04:33,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:04:33,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:04:33,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:04:33,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:04:33,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:04:33,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:04:33,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:04:33,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:04:33,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:04:33,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:04:33,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:04:33,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:04:33,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:04:33,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:04:33,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:04:33,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:04:33,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:04:33,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:04:33,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:04:33,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:04:33,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:04:33,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:04:33,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:04:33,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:04:33,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:04:33,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:04:33,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:04:33,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:04:33,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:04:33,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:04:33,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:04:33,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:04:33,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:04:33,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:04:33,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:04:33,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:04:33,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:04:33,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:04:33,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:04:33,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:04:33,720 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:04:33,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:04:33,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:04:33,721 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:04:33,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:04:33,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:04:33,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:04:33,723 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:04:33,723 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:04:33,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:04:33,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:04:33,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:04:33,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:04:33,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:04:33,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:04:33,725 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:04:33,725 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:04:33,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:04:33,726 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:04:33,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:04:33,726 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:04:33,726 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:04:33,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:04:33,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:04:33,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:04:33,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:04:33,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:04:33,728 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:04:33,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:04:33,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:04:33,729 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_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60a477b5dcc7be77af17ce3cc379f1876781ed95f896fb2ca2dbb7ba91ecb849 [2022-11-21 23:04:34,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:04:34,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:04:34,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:04:34,053 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:04:34,054 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:04:34,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2022-11-21 23:04:37,213 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:04:37,437 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:04:37,438 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2022-11-21 23:04:37,449 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg/data/ff2ffb18c/bbd8892961c541c6934d0b4fa1891c03/FLAGe481ce311 [2022-11-21 23:04:37,464 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg/data/ff2ffb18c/bbd8892961c541c6934d0b4fa1891c03 [2022-11-21 23:04:37,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:04:37,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:04:37,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:04:37,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:04:37,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:04:37,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:04:37" (1/1) ... [2022-11-21 23:04:37,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b968d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:37, skipping insertion in model container [2022-11-21 23:04:37,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:04:37" (1/1) ... [2022-11-21 23:04:37,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:04:37,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:04:37,806 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_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i[24236,24249] [2022-11-21 23:04:37,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:04:37,830 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:04:37,913 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_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i[24236,24249] [2022-11-21 23:04:37,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:04:37,954 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:04:37,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:37 WrapperNode [2022-11-21 23:04:37,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:04:37,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:04:37,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:04:37,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:04:37,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:37" (1/1) ... [2022-11-21 23:04:38,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:37" (1/1) ... [2022-11-21 23:04:38,038 INFO L138 Inliner]: procedures = 126, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2022-11-21 23:04:38,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:04:38,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:04:38,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:04:38,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:04:38,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:37" (1/1) ... [2022-11-21 23:04:38,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:37" (1/1) ... [2022-11-21 23:04:38,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:37" (1/1) ... [2022-11-21 23:04:38,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:37" (1/1) ... [2022-11-21 23:04:38,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:37" (1/1) ... [2022-11-21 23:04:38,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:37" (1/1) ... [2022-11-21 23:04:38,096 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:37" (1/1) ... [2022-11-21 23:04:38,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:37" (1/1) ... [2022-11-21 23:04:38,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:04:38,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:04:38,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:04:38,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:04:38,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:37" (1/1) ... [2022-11-21 23:04:38,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:04:38,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:04:38,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:04:38,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:04:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:04:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:04:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:04:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:04:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 23:04:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 23:04:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:04:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:04:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:04:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:04:38,312 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:04:38,314 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:04:38,714 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:04:38,771 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:04:38,772 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-21 23:04:38,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:04:38 BoogieIcfgContainer [2022-11-21 23:04:38,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:04:38,775 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:04:38,776 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:04:38,785 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:04:38,786 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:04:38" (1/1) ... [2022-11-21 23:04:38,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:04:38,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:38,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2022-11-21 23:04:38,855 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2022-11-21 23:04:38,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 23:04:38,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:38,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:39,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:39,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 49 states and 57 transitions. [2022-11-21 23:04:39,151 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2022-11-21 23:04:39,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:04:39,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:39,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:39,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:39,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 52 states and 63 transitions. [2022-11-21 23:04:39,558 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2022-11-21 23:04:39,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:04:39,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:39,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:39,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:39,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 51 states and 62 transitions. [2022-11-21 23:04:39,835 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2022-11-21 23:04:39,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:04:39,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:39,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:39,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:04:40,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:40,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 56 states and 71 transitions. [2022-11-21 23:04:40,415 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-11-21 23:04:40,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:04:40,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:40,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:40,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:04:41,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2022-11-21 23:04:41,014 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2022-11-21 23:04:41,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:04:41,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:41,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:41,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:41,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:41,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2022-11-21 23:04:41,451 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-11-21 23:04:41,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:04:41,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:41,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:41,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:04:41,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:41,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2022-11-21 23:04:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-11-21 23:04:41,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:04:41,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:41,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:41,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:04:41,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:41,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 60 transitions. [2022-11-21 23:04:41,809 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-11-21 23:04:41,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:04:41,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:41,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:41,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:04:42,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:42,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 52 states and 65 transitions. [2022-11-21 23:04:42,003 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2022-11-21 23:04:42,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:04:42,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:42,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:42,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:04:42,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:42,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2022-11-21 23:04:42,190 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2022-11-21 23:04:42,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:04:42,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:42,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:04:42,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:42,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2022-11-21 23:04:42,461 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-11-21 23:04:42,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:04:42,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:42,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:04:42,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:42,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2022-11-21 23:04:42,712 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2022-11-21 23:04:42,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:04:42,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:42,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:43,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:43,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2022-11-21 23:04:43,303 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2022-11-21 23:04:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:04:43,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:43,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:43,511 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:44,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:44,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 65 states and 88 transitions. [2022-11-21 23:04:44,224 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2022-11-21 23:04:44,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:04:44,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:44,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:44,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:45,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:45,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 68 states and 93 transitions. [2022-11-21 23:04:45,041 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2022-11-21 23:04:45,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:04:45,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:45,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:45,173 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:45,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:45,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2022-11-21 23:04:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2022-11-21 23:04:45,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:04:45,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:45,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:46,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:46,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2022-11-21 23:04:46,447 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2022-11-21 23:04:46,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:04:46,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:46,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:47,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:47,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2022-11-21 23:04:47,091 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2022-11-21 23:04:47,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:04:47,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:47,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:47,207 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:47,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:47,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 76 states and 105 transitions. [2022-11-21 23:04:47,492 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2022-11-21 23:04:47,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:04:47,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:47,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:47,626 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2022-11-21 23:04:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2022-11-21 23:04:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:04:47,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:47,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:47,968 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 23:04:49,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 84 states and 113 transitions. [2022-11-21 23:04:49,421 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2022-11-21 23:04:49,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:04:49,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:49,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:49,765 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 85 states and 115 transitions. [2022-11-21 23:04:50,322 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2022-11-21 23:04:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:04:50,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:50,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:50,382 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 23:04:51,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:51,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 93 states and 123 transitions. [2022-11-21 23:04:51,909 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 123 transitions. [2022-11-21 23:04:51,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:04:51,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:51,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:51,995 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 23:04:52,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:52,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 96 states and 128 transitions. [2022-11-21 23:04:52,027 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 128 transitions. [2022-11-21 23:04:52,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:04:52,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:52,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:52,088 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 23:04:52,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:52,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 99 states and 134 transitions. [2022-11-21 23:04:52,255 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 134 transitions. [2022-11-21 23:04:52,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:04:52,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:52,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:52,606 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 23:04:53,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:53,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 103 states and 143 transitions. [2022-11-21 23:04:53,859 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 143 transitions. [2022-11-21 23:04:53,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:04:53,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:53,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:54,000 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:04:54,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:54,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 104 states and 143 transitions. [2022-11-21 23:04:54,294 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions. [2022-11-21 23:04:54,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:04:54,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:54,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:54,349 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 23:04:55,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:55,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 109 states and 149 transitions. [2022-11-21 23:04:55,325 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions. [2022-11-21 23:04:55,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:04:55,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:55,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:55,374 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 23:04:56,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:56,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 54 states and 64 transitions. [2022-11-21 23:04:56,009 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2022-11-21 23:04:56,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 23:04:56,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:56,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:56,316 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 23:04:56,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:56,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 58 states and 72 transitions. [2022-11-21 23:04:56,578 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-11-21 23:04:56,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 23:04:56,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:56,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 23:04:57,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:57,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 77 transitions. [2022-11-21 23:04:57,551 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2022-11-21 23:04:57,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 23:04:57,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:57,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:57,734 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 23:04:58,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:58,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2022-11-21 23:04:58,045 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2022-11-21 23:04:58,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 23:04:58,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:58,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:58,243 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 23:04:58,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:58,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 64 states and 83 transitions. [2022-11-21 23:04:58,936 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2022-11-21 23:04:58,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 23:04:58,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:58,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:59,165 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 23:04:59,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 65 states and 84 transitions. [2022-11-21 23:04:59,301 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2022-11-21 23:04:59,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 23:04:59,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:59,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:59,640 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 23:05:00,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:00,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 70 states and 91 transitions. [2022-11-21 23:05:00,925 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2022-11-21 23:05:00,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 23:05:00,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:00,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 23:05:01,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:01,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2022-11-21 23:05:01,573 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2022-11-21 23:05:01,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 23:05:01,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:01,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:01,775 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 23:05:02,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:02,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 74 states and 96 transitions. [2022-11-21 23:05:02,250 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2022-11-21 23:05:02,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 23:05:02,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:02,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:02,635 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 23:05:05,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:05,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 82 states and 107 transitions. [2022-11-21 23:05:05,334 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 107 transitions. [2022-11-21 23:05:05,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-21 23:05:05,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:05,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:05,421 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-21 23:05:07,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:07,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 91 states and 116 transitions. [2022-11-21 23:05:07,894 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 116 transitions. [2022-11-21 23:05:07,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-21 23:05:07,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:07,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:08,290 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-21 23:05:09,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:09,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 96 states and 126 transitions. [2022-11-21 23:05:09,447 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 126 transitions. [2022-11-21 23:05:09,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-21 23:05:09,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:09,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:09,659 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 23:05:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:10,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 97 states and 126 transitions. [2022-11-21 23:05:10,086 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 126 transitions. [2022-11-21 23:05:10,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-21 23:05:10,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:10,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:10,150 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 23:05:11,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2022-11-21 23:05:11,346 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2022-11-21 23:05:11,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:05:11,346 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 43 iterations. [2022-11-21 23:05:11,355 INFO L754 CodeCheckObserver]: All specifications hold 18 specifications checked. All of them hold [2022-11-21 23:05:11,742 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:05:11,747 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:05:11,748 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2022-11-21 23:05:11,756 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2022-11-21 23:05:11,758 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:05:11,758 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-11-21 23:05:11,759 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-11-21 23:05:11,760 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2022-11-21 23:05:11,766 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-11-21 23:05:11,775 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-11-21 23:05:11,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:05:11 ImpRootNode [2022-11-21 23:05:11,777 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:05:11,777 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:05:11,777 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:05:11,777 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:05:11,778 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:04:38" (3/4) ... [2022-11-21 23:05:11,781 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:05:11,795 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-11-21 23:05:11,802 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-21 23:05:11,802 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:05:11,805 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:05:11,880 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:05:11,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:05:11,881 INFO L158 Benchmark]: Toolchain (without parser) took 34413.16ms. Allocated memory was 178.3MB in the beginning and 373.3MB in the end (delta: 195.0MB). Free memory was 132.6MB in the beginning and 280.1MB in the end (delta: -147.5MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2022-11-21 23:05:11,882 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory was 86.1MB in the beginning and 86.0MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:05:11,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.02ms. Allocated memory is still 178.3MB. Free memory was 132.0MB in the beginning and 114.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:05:11,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.15ms. Allocated memory is still 178.3MB. Free memory was 114.8MB in the beginning and 112.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:05:11,883 INFO L158 Benchmark]: Boogie Preprocessor took 66.99ms. Allocated memory is still 178.3MB. Free memory was 112.7MB in the beginning and 111.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:05:11,883 INFO L158 Benchmark]: RCFGBuilder took 667.47ms. Allocated memory is still 178.3MB. Free memory was 111.0MB in the beginning and 136.2MB in the end (delta: -25.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-11-21 23:05:11,884 INFO L158 Benchmark]: CodeCheck took 33001.19ms. Allocated memory was 178.3MB in the beginning and 373.3MB in the end (delta: 195.0MB). Free memory was 136.2MB in the beginning and 283.2MB in the end (delta: -147.0MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2022-11-21 23:05:11,884 INFO L158 Benchmark]: Witness Printer took 103.72ms. Allocated memory is still 373.3MB. Free memory was 283.2MB in the beginning and 280.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:05:11,886 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, 48 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 32.5s, OverallIterations: 43, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5881 SdHoareTripleChecker+Valid, 27.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4578 mSDsluCounter, 894 SdHoareTripleChecker+Invalid, 22.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 3672 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16960 IncrementalHoareTripleChecker+Invalid, 20632 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3672 mSolverCounterUnsat, 822 mSDtfsCounter, 16960 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7428 GetRequests, 6953 SyntacticMatches, 93 SemanticMatches, 382 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73077 ImplicationChecksByTransitivity, 26.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 1021 NumberOfCodeBlocks, 1021 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 979 ConstructedInterpolants, 0 QuantifiedInterpolants, 2412 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 42 InterpolantComputations, 30 PerfectInterpolantSequences, 395/411 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: 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: 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: 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 - 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 18 specifications checked. All of them hold - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (((2 <= len && 1 <= i) && len + i <= 3) && index <= 1) || (((2 <= len && !(1 <= i)) && 0 <= i) && index == i) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: ((!(1 <= i) && 0 <= i) && 2 <= len + i) || ((2 <= len && 1 <= i) && len + i <= 3) - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (2 <= len && len <= 2) && len <= 2 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((2 <= len && 1 <= len) && len <= 2) && len <= 2 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (((((2 <= len && 1 <= i) && len <= 2) && index <= 1) && index == i) || ((((2 <= len && !(1 <= i)) && len <= 2) && 0 <= i) && index == i)) || ((((2 <= len && 1 <= i) && len <= 2) && index <= 0) && i <= 1) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: (!(len + i <= 3) && !(0 <= i)) || (2 <= len && len + i <= 3) - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: ((2 <= len && !(1 <= i)) && len <= 2) || ((2 <= len && 1 <= i) && len + i <= 3) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory was 86.1MB in the beginning and 86.0MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.02ms. Allocated memory is still 178.3MB. Free memory was 132.0MB in the beginning and 114.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.15ms. Allocated memory is still 178.3MB. Free memory was 114.8MB in the beginning and 112.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.99ms. Allocated memory is still 178.3MB. Free memory was 112.7MB in the beginning and 111.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 667.47ms. Allocated memory is still 178.3MB. Free memory was 111.0MB in the beginning and 136.2MB in the end (delta: -25.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * CodeCheck took 33001.19ms. Allocated memory was 178.3MB in the beginning and 373.3MB in the end (delta: 195.0MB). Free memory was 136.2MB in the beginning and 283.2MB in the end (delta: -147.0MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Witness Printer took 103.72ms. Allocated memory is still 373.3MB. Free memory was 283.2MB in the beginning and 280.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:05:11,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed51985-5f6e-4dbd-b9da-c8c37c0504e2/bin/ukojak-jW3SillKbg/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