./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/simple_built_from_end.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_7144a932-1f15-48ad-8a83-a9484589f32e/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7144a932-1f15-48ad-8a83-a9484589f32e/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7144a932-1f15-48ad-8a83-a9484589f32e/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7144a932-1f15-48ad-8a83-a9484589f32e/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/list-properties/simple_built_from_end.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7144a932-1f15-48ad-8a83-a9484589f32e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7144a932-1f15-48ad-8a83-a9484589f32e/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0eb3d3e07cae1efa9dc9af5091aea6a309746434756c62bcf3ece83b84aec27a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:41:34,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:41:34,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:41:34,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:41:34,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:41:34,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:41:34,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:41:34,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:41:34,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:41:34,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:41:34,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:41:34,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:41:34,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:41:34,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:41:34,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:41:34,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:41:34,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:41:34,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:41:34,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:41:34,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:41:34,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:41:34,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:41:34,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:41:34,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:41:34,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:41:34,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:41:34,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:41:34,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:41:34,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:41:34,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:41:34,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:41:34,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:41:34,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:41:34,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:41:34,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:41:34,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:41:34,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:41:34,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:41:34,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:41:34,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:41:34,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:41:34,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7144a932-1f15-48ad-8a83-a9484589f32e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 16:41:34,585 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:41:34,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:41:34,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:41:34,588 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:41:34,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:41:34,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:41:34,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:41:34,589 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:41:34,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:41:34,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:41:34,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:41:34,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:41:34,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:41:34,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:41:34,592 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:41:34,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:41:34,592 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:41:34,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:41:34,593 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:41:34,593 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:41:34,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:41:34,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:41:34,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:41:34,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:41:34,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:41:34,595 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:41:34,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:41:34,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:41:34,596 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_7144a932-1f15-48ad-8a83-a9484589f32e/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7144a932-1f15-48ad-8a83-a9484589f32e/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0eb3d3e07cae1efa9dc9af5091aea6a309746434756c62bcf3ece83b84aec27a [2022-11-20 16:41:34,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:41:34,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:41:34,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:41:34,968 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:41:34,969 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:41:34,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7144a932-1f15-48ad-8a83-a9484589f32e/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/list-properties/simple_built_from_end.i [2022-11-20 16:41:37,990 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:41:38,311 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:41:38,315 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7144a932-1f15-48ad-8a83-a9484589f32e/sv-benchmarks/c/list-properties/simple_built_from_end.i [2022-11-20 16:41:38,329 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7144a932-1f15-48ad-8a83-a9484589f32e/bin/ukojak-pZX7IvK2PQ/data/bfcdcca51/7c1558332d2c4c94849de1d0bacc07fa/FLAGd453f8646 [2022-11-20 16:41:38,349 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7144a932-1f15-48ad-8a83-a9484589f32e/bin/ukojak-pZX7IvK2PQ/data/bfcdcca51/7c1558332d2c4c94849de1d0bacc07fa [2022-11-20 16:41:38,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:41:38,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:41:38,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:41:38,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:41:38,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:41:38,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:41:38" (1/1) ... [2022-11-20 16:41:38,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509deaec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:38, skipping insertion in model container [2022-11-20 16:41:38,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:41:38" (1/1) ... [2022-11-20 16:41:38,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:41:38,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:41:38,772 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_7144a932-1f15-48ad-8a83-a9484589f32e/sv-benchmarks/c/list-properties/simple_built_from_end.i[23125,23138] [2022-11-20 16:41:38,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:41:38,790 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:41:38,828 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_7144a932-1f15-48ad-8a83-a9484589f32e/sv-benchmarks/c/list-properties/simple_built_from_end.i[23125,23138] [2022-11-20 16:41:38,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:41:38,861 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:41:38,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:38 WrapperNode [2022-11-20 16:41:38,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:41:38,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:41:38,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:41:38,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:41:38,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:38" (1/1) ... [2022-11-20 16:41:38,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:38" (1/1) ... [2022-11-20 16:41:38,902 INFO L138 Inliner]: procedures = 124, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2022-11-20 16:41:38,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:41:38,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:41:38,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:41:38,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:41:38,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:38" (1/1) ... [2022-11-20 16:41:38,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:38" (1/1) ... [2022-11-20 16:41:38,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:38" (1/1) ... [2022-11-20 16:41:38,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:38" (1/1) ... [2022-11-20 16:41:38,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:38" (1/1) ... [2022-11-20 16:41:38,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:38" (1/1) ... [2022-11-20 16:41:38,926 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:38" (1/1) ... [2022-11-20 16:41:38,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:38" (1/1) ... [2022-11-20 16:41:38,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:41:38,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:41:38,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:41:38,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:41:38,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:38" (1/1) ... [2022-11-20 16:41:38,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:41:38,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7144a932-1f15-48ad-8a83-a9484589f32e/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:41:38,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7144a932-1f15-48ad-8a83-a9484589f32e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:41:39,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7144a932-1f15-48ad-8a83-a9484589f32e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:41:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:41:39,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:41:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 16:41:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:41:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 16:41:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 16:41:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:41:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:41:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:41:39,184 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:41:39,187 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:41:39,298 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:41:39,322 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:41:39,323 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:41:39,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:39 BoogieIcfgContainer [2022-11-20 16:41:39,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:41:39,327 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:41:39,327 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:41:39,338 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:41:39,338 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:39" (1/1) ... [2022-11-20 16:41:39,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:41:39,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:39,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-11-20 16:41:39,403 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-11-20 16:41:39,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:41:39,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:39,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:39,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:41:39,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:39,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-11-20 16:41:39,619 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-11-20 16:41:39,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:41:39,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:39,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:39,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:41:39,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:39,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-11-20 16:41:39,719 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-11-20 16:41:39,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:41:39,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:39,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:39,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:41:40,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-11-20 16:41:40,099 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-20 16:41:40,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:41:40,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:40,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:40,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:41:40,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:40,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-11-20 16:41:40,787 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-20 16:41:40,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:41:40,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:40,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:41,447 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:41:42,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:42,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2022-11-20 16:41:42,995 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2022-11-20 16:41:42,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:41:43,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:43,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:43,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:41:45,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:45,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2022-11-20 16:41:45,192 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2022-11-20 16:41:45,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:41:45,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:45,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:45,685 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:41:46,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:46,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2022-11-20 16:41:46,359 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2022-11-20 16:41:46,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:41:46,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:46,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:47,756 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:41:49,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:49,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2022-11-20 16:41:49,939 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2022-11-20 16:41:49,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:41:49,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:49,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:41:51,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:51,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2022-11-20 16:41:51,200 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2022-11-20 16:41:51,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:41:51,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:51,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:52,548 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:41:56,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:56,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2022-11-20 16:41:56,309 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2022-11-20 16:41:56,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:41:56,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:56,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:58,608 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:42:04,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:04,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2022-11-20 16:42:04,457 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2022-11-20 16:42:04,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 16:42:04,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:04,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:42:12,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:12,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 52 states and 77 transitions. [2022-11-20 16:42:12,631 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2022-11-20 16:42:12,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 16:42:12,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:12,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:13,904 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 31 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:42:15,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:15,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 52 states and 76 transitions. [2022-11-20 16:42:15,827 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2022-11-20 16:42:15,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 16:42:15,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:15,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:19,438 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 13 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:42:28,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:28,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 90 transitions. [2022-11-20 16:42:28,455 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 90 transitions. [2022-11-20 16:42:28,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 16:42:28,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:28,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:30,701 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 34 proven. 32 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:42:32,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:32,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 83 transitions. [2022-11-20 16:42:32,456 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2022-11-20 16:42:32,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 16:42:32,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:32,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:42:39,314 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:42:59,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:42:59,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 68 states and 105 transitions. [2022-11-20 16:42:59,141 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2022-11-20 16:42:59,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 16:42:59,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:42:59,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:42:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:01,220 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:43:04,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:04,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 71 states and 114 transitions. [2022-11-20 16:43:04,488 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 114 transitions. [2022-11-20 16:43:04,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 16:43:04,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:04,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 16 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:20,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:20,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 77 states and 126 transitions. [2022-11-20 16:43:20,928 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 126 transitions. [2022-11-20 16:43:20,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 16:43:20,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:20,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:24,431 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 43 proven. 54 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:43:33,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:33,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 75 states and 116 transitions. [2022-11-20 16:43:33,447 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 116 transitions. [2022-11-20 16:43:33,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 16:43:33,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:33,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:46,047 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:18,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:18,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 90 states and 146 transitions. [2022-11-20 16:44:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 146 transitions. [2022-11-20 16:44:18,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 16:44:18,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:18,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:26,931 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 19 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:53,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 102 states and 176 transitions. [2022-11-20 16:44:53,281 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 176 transitions. [2022-11-20 16:44:53,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 16:44:53,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:53,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:08,344 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:44,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:44,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 114 states and 204 transitions. [2022-11-20 16:45:44,509 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 204 transitions. [2022-11-20 16:45:44,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 16:45:44,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:44,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:05,808 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 40 proven. 115 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:46:28,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:28,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 117 states and 212 transitions. [2022-11-20 16:46:28,644 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 212 transitions. [2022-11-20 16:46:28,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 16:46:28,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:28,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:37,779 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 61 proven. 116 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:46:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:50,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 120 states and 224 transitions. [2022-11-20 16:46:50,473 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 224 transitions. [2022-11-20 16:46:50,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 16:46:50,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:50,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:13,629 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 22 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:47:55,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:55,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 129 states and 252 transitions. [2022-11-20 16:47:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 252 transitions. [2022-11-20 16:47:55,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 16:47:55,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:55,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:48:02,791 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 61 proven. 116 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:48:13,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:48:13,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 132 states and 266 transitions. [2022-11-20 16:48:13,740 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 266 transitions. [2022-11-20 16:48:13,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 16:48:13,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:48:13,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:48:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:48:20,244 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 61 proven. 116 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:48:26,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:48:26,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 133 states and 272 transitions. [2022-11-20 16:48:26,370 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 272 transitions. [2022-11-20 16:48:26,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 16:48:26,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:48:26,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:48:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:48:45,286 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 22 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:05,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:05,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 136 states and 279 transitions. [2022-11-20 16:49:05,280 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 279 transitions. [2022-11-20 16:49:05,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 16:49:05,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:05,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:18,582 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 8 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:49:58,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:58,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 147 states and 299 transitions. [2022-11-20 16:49:58,968 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 299 transitions. [2022-11-20 16:49:58,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 16:49:58,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:58,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:50:11,802 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 46 proven. 155 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:50:30,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:50:30,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 110 states and 168 transitions. [2022-11-20 16:50:30,096 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 168 transitions. [2022-11-20 16:50:30,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-20 16:50:30,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:50:30,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:50:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 25 proven. 201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:56,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:56,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 113 states and 172 transitions. [2022-11-20 16:51:56,902 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 172 transitions. [2022-11-20 16:51:56,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 16:51:56,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:56,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:32,868 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:53:57,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:53:57,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 130 states and 202 transitions. [2022-11-20 16:53:57,379 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 202 transitions. [2022-11-20 16:53:57,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 16:53:57,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:53:57,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:53:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:25,475 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:55:02,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:55:02,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 134 states and 212 transitions. [2022-11-20 16:55:02,439 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 212 transitions. [2022-11-20 16:55:02,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 16:55:02,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:55:02,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:55:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat