./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/bin/ukojak-rkRKPMF4O4/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_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/bin/ukojak-rkRKPMF4O4 --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-2329fc7 [2022-12-15 02:46:55,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:46:55,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:46:55,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:46:55,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:46:55,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:46:55,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:46:55,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:46:55,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:46:55,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:46:55,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:46:55,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:46:55,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:46:55,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:46:55,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:46:55,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:46:55,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:46:55,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:46:55,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:46:55,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:46:55,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:46:55,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:46:55,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:46:55,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:46:55,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:46:55,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:46:55,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:46:55,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:46:55,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:46:55,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:46:55,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:46:55,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:46:55,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:46:55,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:46:55,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:46:55,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:46:55,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:46:55,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:46:55,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:46:55,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:46:55,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:46:55,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 02:46:55,343 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:46:55,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:46:55,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:46:55,343 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:46:55,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:46:55,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:46:55,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:46:55,344 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:46:55,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:46:55,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:46:55,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:46:55,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:46:55,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:46:55,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:46:55,345 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:46:55,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:46:55,345 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:46:55,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:46:55,345 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:46:55,346 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:46:55,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:46:55,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:46:55,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:46:55,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:46:55,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:46:55,346 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:46:55,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:46:55,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:46:55,347 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_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0eb3d3e07cae1efa9dc9af5091aea6a309746434756c62bcf3ece83b84aec27a [2022-12-15 02:46:55,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:46:55,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:46:55,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:46:55,536 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:46:55,536 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:46:55,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-properties/simple_built_from_end.i [2022-12-15 02:46:58,092 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:46:58,274 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:46:58,275 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/sv-benchmarks/c/list-properties/simple_built_from_end.i [2022-12-15 02:46:58,284 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/bin/ukojak-rkRKPMF4O4/data/cc7f44618/933a86b3495e4f95a7124f62938a5556/FLAG282a97ad0 [2022-12-15 02:46:58,294 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/bin/ukojak-rkRKPMF4O4/data/cc7f44618/933a86b3495e4f95a7124f62938a5556 [2022-12-15 02:46:58,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:46:58,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:46:58,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:46:58,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:46:58,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:46:58,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:46:58" (1/1) ... [2022-12-15 02:46:58,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c828c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:46:58, skipping insertion in model container [2022-12-15 02:46:58,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:46:58" (1/1) ... [2022-12-15 02:46:58,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:46:58,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:46:58,497 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_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/sv-benchmarks/c/list-properties/simple_built_from_end.i[23125,23138] [2022-12-15 02:46:58,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:46:58,508 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:46:58,535 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_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/sv-benchmarks/c/list-properties/simple_built_from_end.i[23125,23138] [2022-12-15 02:46:58,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:46:58,552 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:46:58,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:46:58 WrapperNode [2022-12-15 02:46:58,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:46:58,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:46:58,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:46:58,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:46:58,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:46:58" (1/1) ... [2022-12-15 02:46:58,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:46:58" (1/1) ... [2022-12-15 02:46:58,581 INFO L138 Inliner]: procedures = 124, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2022-12-15 02:46:58,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:46:58,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:46:58,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:46:58,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:46:58,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:46:58" (1/1) ... [2022-12-15 02:46:58,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:46:58" (1/1) ... [2022-12-15 02:46:58,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:46:58" (1/1) ... [2022-12-15 02:46:58,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:46:58" (1/1) ... [2022-12-15 02:46:58,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:46:58" (1/1) ... [2022-12-15 02:46:58,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:46:58" (1/1) ... [2022-12-15 02:46:58,598 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:46:58" (1/1) ... [2022-12-15 02:46:58,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:46:58" (1/1) ... [2022-12-15 02:46:58,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:46:58,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:46:58,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:46:58,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:46:58,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:46:58" (1/1) ... [2022-12-15 02:46:58,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:46:58,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:46:58,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:46:58,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a987d7c3-d9ed-4ab1-8e19-520a8c995e90/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:46:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 02:46:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:46:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 02:46:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:46:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 02:46:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-15 02:46:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:46:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:46:58,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:46:58,767 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:46:58,770 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:46:58,873 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:46:58,899 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:46:58,899 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 02:46:58,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:46:58 BoogieIcfgContainer [2022-12-15 02:46:58,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:46:58,902 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:46:58,902 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:46:58,919 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:46:58,919 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:46:58" (1/1) ... [2022-12-15 02:46:58,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:46:58,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:46:58,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-12-15 02:46:58,972 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-12-15 02:46:58,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 02:46:58,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:46:58,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:46:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:46:59,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:46:59,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:46:59,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-12-15 02:46:59,088 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-12-15 02:46:59,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 02:46:59,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:46:59,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:46:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:46:59,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:46:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:46:59,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-12-15 02:46:59,174 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-12-15 02:46:59,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 02:46:59,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:46:59,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:46:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:46:59,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:46:59,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:46:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-12-15 02:46:59,418 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-12-15 02:46:59,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 02:46:59,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:46:59,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:46:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:46:59,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:46:59,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:46:59,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-12-15 02:46:59,864 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-12-15 02:46:59,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 02:46:59,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:46:59,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:46:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:00,263 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:47:01,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:01,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2022-12-15 02:47:01,298 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2022-12-15 02:47:01,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 02:47:01,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:01,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:01,751 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:47:02,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:02,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2022-12-15 02:47:02,655 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2022-12-15 02:47:02,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 02:47:02,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:02,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:02,954 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:47:03,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:03,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2022-12-15 02:47:03,382 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2022-12-15 02:47:03,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 02:47:03,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:03,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:04,135 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:47:05,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:05,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2022-12-15 02:47:05,578 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2022-12-15 02:47:05,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 02:47:05,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:05,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:05,782 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:47:06,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:06,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2022-12-15 02:47:06,417 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2022-12-15 02:47:06,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 02:47:06,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:06,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:07,279 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:47:09,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:09,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2022-12-15 02:47:09,845 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2022-12-15 02:47:09,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 02:47:09,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:09,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:11,438 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:47:14,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:14,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2022-12-15 02:47:14,839 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2022-12-15 02:47:14,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:47:14,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:14,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:47:20,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:20,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 52 states and 77 transitions. [2022-12-15 02:47:20,361 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2022-12-15 02:47:20,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:47:20,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:20,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:21,004 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 31 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:47:22,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:22,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 52 states and 76 transitions. [2022-12-15 02:47:22,298 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2022-12-15 02:47:22,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 02:47:22,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:22,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:24,558 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 13 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:47:31,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:31,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 90 transitions. [2022-12-15 02:47:31,226 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 90 transitions. [2022-12-15 02:47:31,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 02:47:31,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:31,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:32,486 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 34 proven. 32 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:47:33,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:33,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 83 transitions. [2022-12-15 02:47:33,577 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2022-12-15 02:47:33,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 02:47:33,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:33,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:47:50,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:50,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 68 states and 105 transitions. [2022-12-15 02:47:50,733 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2022-12-15 02:47:50,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 02:47:50,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:50,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:51,840 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:47:54,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:54,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 71 states and 114 transitions. [2022-12-15 02:47:54,302 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 114 transitions. [2022-12-15 02:47:54,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 02:47:54,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:54,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:58,279 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 16 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:48:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:06,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 77 states and 126 transitions. [2022-12-15 02:48:06,027 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 126 transitions. [2022-12-15 02:48:06,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 02:48:06,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:06,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:08,686 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 43 proven. 54 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:48:15,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:15,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 75 states and 116 transitions. [2022-12-15 02:48:15,708 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 116 transitions. [2022-12-15 02:48:15,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 02:48:15,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:15,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:24,835 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:48:50,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:50,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 90 states and 146 transitions. [2022-12-15 02:48:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 146 transitions. [2022-12-15 02:48:50,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-15 02:48:50,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:50,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:56,764 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 19 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:49:15,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:49:15,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 102 states and 176 transitions. [2022-12-15 02:49:15,412 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 176 transitions. [2022-12-15 02:49:15,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-15 02:49:15,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:49:15,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:49:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:49:26,050 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:49:53,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:49:53,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 114 states and 204 transitions. [2022-12-15 02:49:53,987 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 204 transitions. [2022-12-15 02:49:53,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-15 02:49:53,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:49:53,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:49:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 40 proven. 115 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:50:25,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:25,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 117 states and 212 transitions. [2022-12-15 02:50:25,059 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 212 transitions. [2022-12-15 02:50:25,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-15 02:50:25,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:25,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 61 proven. 116 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:50:41,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:41,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 120 states and 224 transitions. [2022-12-15 02:50:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 224 transitions. [2022-12-15 02:50:41,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-15 02:50:41,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:41,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:50:58,115 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 22 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:51:29,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:29,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 129 states and 252 transitions. [2022-12-15 02:51:29,553 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 252 transitions. [2022-12-15 02:51:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-15 02:51:29,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:29,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:34,437 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 61 proven. 116 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:51:42,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 132 states and 267 transitions. [2022-12-15 02:51:42,911 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 267 transitions. [2022-12-15 02:51:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-15 02:51:42,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:42,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 61 proven. 116 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:51:51,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:51,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 133 states and 272 transitions. [2022-12-15 02:51:51,524 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 272 transitions. [2022-12-15 02:51:51,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-15 02:51:51,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:51,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:04,909 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 22 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:52:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 136 states and 279 transitions. [2022-12-15 02:52:21,747 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 279 transitions. [2022-12-15 02:52:21,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-15 02:52:21,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:21,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:30,771 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 8 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:53:04,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:53:04,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 147 states and 299 transitions. [2022-12-15 02:53:04,026 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 299 transitions. [2022-12-15 02:53:04,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-15 02:53:04,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:53:04,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:53:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:53:12,998 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 46 proven. 155 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:53:23,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:53:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 110 states and 168 transitions. [2022-12-15 02:53:23,976 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 168 transitions. [2022-12-15 02:53:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-15 02:53:23,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:53:23,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:53:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:53:52,585 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 25 proven. 201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:54:30,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:54:30,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 113 states and 172 transitions. [2022-12-15 02:54:30,566 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 172 transitions. [2022-12-15 02:54:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 02:54:30,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:54:30,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:54:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:54:59,750 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:07,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 130 states and 202 transitions. [2022-12-15 02:56:07,475 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 202 transitions. [2022-12-15 02:56:07,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 02:56:07,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:07,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:55,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:55,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 134 states and 212 transitions. [2022-12-15 02:56:55,914 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 212 transitions. [2022-12-15 02:56:55,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-15 02:56:55,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:55,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:57:38,009 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 28 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:58:47,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:58:47,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 146 states and 244 transitions. [2022-12-15 02:58:47,213 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 244 transitions. [2022-12-15 02:58:47,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-15 02:58:47,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:58:47,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:58:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:59:10,962 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:00:02,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:00:02,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 155 states and 267 transitions. [2022-12-15 03:00:02,607 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 267 transitions. [2022-12-15 03:00:02,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-15 03:00:02,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:00:02,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:00:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:00:44,851 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 58 proven. 253 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:01:25,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:01:25,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 156 states and 271 transitions. [2022-12-15 03:01:25,175 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 271 transitions. [2022-12-15 03:01:25,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-15 03:01:25,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:01:25,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:01:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:49,315 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 58 proven. 253 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.