./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/dll2n_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_876ae304-e190-49bc-9531-954a4ec9f0bd/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876ae304-e190-49bc-9531-954a4ec9f0bd/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_876ae304-e190-49bc-9531-954a4ec9f0bd/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876ae304-e190-49bc-9531-954a4ec9f0bd/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876ae304-e190-49bc-9531-954a4ec9f0bd/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876ae304-e190-49bc-9531-954a4ec9f0bd/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c46cc56772f2c3f0b073640343b328fb3b128ed13803ffe5a04f6290fe624494 --- 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 [2022-12-14 22:08:49,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:08:49,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:08:49,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:08:49,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:08:49,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:08:49,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:08:49,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:08:49,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:08:49,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:08:49,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:08:49,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:08:49,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:08:49,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:08:49,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:08:49,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:08:49,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:08:49,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:08:49,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:08:49,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:08:49,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:08:49,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:08:49,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:08:49,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:08:49,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:08:49,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:08:49,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:08:49,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:08:49,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:08:49,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:08:49,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:08:49,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:08:49,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:08:49,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:08:49,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:08:49,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:08:49,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:08:49,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:08:49,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:08:49,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:08:49,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:08:49,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876ae304-e190-49bc-9531-954a4ec9f0bd/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 22:08:49,404 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:08:49,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:08:49,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:08:49,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:08:49,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:08:49,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:08:49,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:08:49,405 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:08:49,405 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:08:49,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:08:49,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:08:49,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:08:49,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:08:49,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:08:49,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:08:49,406 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 22:08:49,406 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:08:49,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:08:49,407 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:08:49,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:08:49,407 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:08:49,407 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:08:49,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:08:49,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:08:49,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:08:49,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:08:49,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:08:49,408 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:08:49,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:08:49,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:08:49,408 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_876ae304-e190-49bc-9531-954a4ec9f0bd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876ae304-e190-49bc-9531-954a4ec9f0bd/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c46cc56772f2c3f0b073640343b328fb3b128ed13803ffe5a04f6290fe624494 [2022-12-14 22:08:49,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:08:49,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:08:49,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:08:49,589 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:08:49,589 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:08:49,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876ae304-e190-49bc-9531-954a4ec9f0bd/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-simple/dll2n_update_all.i [2022-12-14 22:08:52,155 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:08:52,324 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:08:52,324 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876ae304-e190-49bc-9531-954a4ec9f0bd/sv-benchmarks/c/list-simple/dll2n_update_all.i [2022-12-14 22:08:52,331 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876ae304-e190-49bc-9531-954a4ec9f0bd/bin/ukojak-rkRKPMF4O4/data/6837c2fe3/1474e8b06a574bcbba3e98c886f26925/FLAG480ba636b [2022-12-14 22:08:52,341 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876ae304-e190-49bc-9531-954a4ec9f0bd/bin/ukojak-rkRKPMF4O4/data/6837c2fe3/1474e8b06a574bcbba3e98c886f26925 [2022-12-14 22:08:52,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:08:52,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:08:52,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:08:52,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:08:52,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:08:52,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:08:52" (1/1) ... [2022-12-14 22:08:52,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca9d299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:52, skipping insertion in model container [2022-12-14 22:08:52,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:08:52" (1/1) ... [2022-12-14 22:08:52,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:08:52,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:08:52,560 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_876ae304-e190-49bc-9531-954a4ec9f0bd/sv-benchmarks/c/list-simple/dll2n_update_all.i[24455,24468] [2022-12-14 22:08:52,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:08:52,568 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:08:52,596 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_876ae304-e190-49bc-9531-954a4ec9f0bd/sv-benchmarks/c/list-simple/dll2n_update_all.i[24455,24468] [2022-12-14 22:08:52,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:08:52,612 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:08:52,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:52 WrapperNode [2022-12-14 22:08:52,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:08:52,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:08:52,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:08:52,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:08:52,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:52" (1/1) ... [2022-12-14 22:08:52,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:52" (1/1) ... [2022-12-14 22:08:52,643 INFO L138 Inliner]: procedures = 126, calls = 27, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 125 [2022-12-14 22:08:52,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:08:52,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:08:52,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:08:52,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:08:52,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:52" (1/1) ... [2022-12-14 22:08:52,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:52" (1/1) ... [2022-12-14 22:08:52,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:52" (1/1) ... [2022-12-14 22:08:52,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:52" (1/1) ... [2022-12-14 22:08:52,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:52" (1/1) ... [2022-12-14 22:08:52,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:52" (1/1) ... [2022-12-14 22:08:52,663 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:52" (1/1) ... [2022-12-14 22:08:52,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:52" (1/1) ... [2022-12-14 22:08:52,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:08:52,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:08:52,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:08:52,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:08:52,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:52" (1/1) ... [2022-12-14 22:08:52,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:08:52,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876ae304-e190-49bc-9531-954a4ec9f0bd/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:08:52,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876ae304-e190-49bc-9531-954a4ec9f0bd/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:08:52,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876ae304-e190-49bc-9531-954a4ec9f0bd/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:08:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-12-14 22:08:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-12-14 22:08:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 22:08:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 22:08:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 22:08:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:08:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 22:08:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 22:08:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 22:08:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:08:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:08:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:08:52,834 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:08:52,835 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:08:52,854 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-12-14 22:08:53,019 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:08:53,059 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:08:53,059 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 22:08:53,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:08:53 BoogieIcfgContainer [2022-12-14 22:08:53,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:08:53,063 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:08:53,063 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:08:53,077 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:08:53,077 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:08:53" (1/1) ... [2022-12-14 22:08:53,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:08:53,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:53,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2022-12-14 22:08:53,131 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-12-14 22:08:53,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:08:53,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:53,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:53,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:53,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:53,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2022-12-14 22:08:53,288 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-12-14 22:08:53,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 22:08:53,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:53,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:53,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:53,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 47 states and 57 transitions. [2022-12-14 22:08:53,459 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-12-14 22:08:53,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:08:53,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:53,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:53,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:53,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2022-12-14 22:08:53,593 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-12-14 22:08:53,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 22:08:53,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:53,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:53,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:53,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2022-12-14 22:08:53,728 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2022-12-14 22:08:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 22:08:53,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:53,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:53,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:08:53,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:53,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2022-12-14 22:08:53,866 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2022-12-14 22:08:53,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 22:08:53,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:53,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:54,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:54,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2022-12-14 22:08:54,071 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2022-12-14 22:08:54,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:08:54,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:54,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:54,139 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 22:08:54,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:54,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 49 states and 58 transitions. [2022-12-14 22:08:54,177 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2022-12-14 22:08:54,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 22:08:54,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:54,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:54,297 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 22:08:54,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 52 states and 63 transitions. [2022-12-14 22:08:54,893 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2022-12-14 22:08:54,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 22:08:54,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:54,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 22:08:55,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:55,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2022-12-14 22:08:55,674 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2022-12-14 22:08:55,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 22:08:55,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:55,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 22:08:55,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:55,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2022-12-14 22:08:55,794 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-12-14 22:08:55,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 22:08:55,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:55,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:55,881 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 22:08:56,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:56,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2022-12-14 22:08:56,030 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-12-14 22:08:56,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 22:08:56,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:56,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:56,086 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 22:08:56,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2022-12-14 22:08:56,101 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2022-12-14 22:08:56,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:08:56,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:56,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:56,227 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 22:08:56,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:56,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2022-12-14 22:08:56,770 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-12-14 22:08:56,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 22:08:56,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:56,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:56,922 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 22:08:57,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:57,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 95 transitions. [2022-12-14 22:08:57,436 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2022-12-14 22:08:57,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 22:08:57,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:57,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:57,533 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 22:08:57,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:57,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 72 states and 101 transitions. [2022-12-14 22:08:57,761 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2022-12-14 22:08:57,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:08:57,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:57,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:57,924 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 22:08:58,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:58,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 78 states and 109 transitions. [2022-12-14 22:08:58,521 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2022-12-14 22:08:58,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:08:58,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:58,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:58,678 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 22:08:59,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:59,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 116 transitions. [2022-12-14 22:08:59,159 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2022-12-14 22:08:59,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:08:59,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:59,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:59,252 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 22:08:59,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:59,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 81 states and 115 transitions. [2022-12-14 22:08:59,300 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2022-12-14 22:08:59,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:08:59,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:59,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:59,524 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 22:09:00,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:00,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 85 states and 125 transitions. [2022-12-14 22:09:00,111 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 125 transitions. [2022-12-14 22:09:00,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:09:00,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:00,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:00,303 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 22:09:00,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:00,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 89 states and 132 transitions. [2022-12-14 22:09:00,957 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 132 transitions. [2022-12-14 22:09:00,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 22:09:00,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:00,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 22:09:01,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:01,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 94 states and 141 transitions. [2022-12-14 22:09:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 141 transitions. [2022-12-14 22:09:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 22:09:01,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:01,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:02,099 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 22:09:02,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:02,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 95 states and 141 transitions. [2022-12-14 22:09:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2022-12-14 22:09:02,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 22:09:02,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:02,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:02,669 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:09:04,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:04,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 102 states and 150 transitions. [2022-12-14 22:09:04,094 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 150 transitions. [2022-12-14 22:09:04,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 22:09:04,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:04,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:04,456 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:09:05,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:05,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 108 states and 157 transitions. [2022-12-14 22:09:05,928 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2022-12-14 22:09:05,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 22:09:05,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:05,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:06,065 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:09:06,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:06,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2022-12-14 22:09:06,350 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2022-12-14 22:09:06,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 22:09:06,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:06,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:06,424 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 22:09:06,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 51 states and 57 transitions. [2022-12-14 22:09:06,621 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2022-12-14 22:09:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 22:09:06,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:06,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:06,685 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 22:09:06,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:06,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 54 states and 62 transitions. [2022-12-14 22:09:06,949 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2022-12-14 22:09:06,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 22:09:06,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:06,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:07,048 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 22:09:07,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:07,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 55 states and 65 transitions. [2022-12-14 22:09:07,148 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2022-12-14 22:09:07,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 22:09:07,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:07,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:07,272 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 22:09:07,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:07,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 58 states and 69 transitions. [2022-12-14 22:09:07,531 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2022-12-14 22:09:07,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 22:09:07,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:07,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:07,575 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 22:09:07,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:07,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 59 states and 70 transitions. [2022-12-14 22:09:07,591 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions. [2022-12-14 22:09:07,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 22:09:07,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:07,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:07,759 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 22:09:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:08,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 68 states and 84 transitions. [2022-12-14 22:09:08,904 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 84 transitions. [2022-12-14 22:09:08,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 22:09:08,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:08,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:09,079 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 22:09:09,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:09,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 75 states and 97 transitions. [2022-12-14 22:09:09,966 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2022-12-14 22:09:09,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 22:09:09,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:09,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:10,097 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 22:09:10,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:10,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 74 states and 96 transitions. [2022-12-14 22:09:10,212 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2022-12-14 22:09:10,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 22:09:10,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:10,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:10,372 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 22:09:10,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:10,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 78 states and 104 transitions. [2022-12-14 22:09:10,976 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2022-12-14 22:09:10,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 22:09:10,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:10,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:11,237 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 22:09:12,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:12,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 83 states and 112 transitions. [2022-12-14 22:09:12,131 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2022-12-14 22:09:12,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 22:09:12,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:12,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:12,387 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 22:09:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:13,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 88 states and 122 transitions. [2022-12-14 22:09:13,752 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 122 transitions. [2022-12-14 22:09:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 22:09:13,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:13,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 22:09:14,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:14,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 89 states and 122 transitions. [2022-12-14 22:09:14,099 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2022-12-14 22:09:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 22:09:14,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:14,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:14,267 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 22:09:14,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:14,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 90 states and 122 transitions. [2022-12-14 22:09:14,730 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2022-12-14 22:09:14,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 22:09:14,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:14,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:15,003 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 22:09:16,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 96 states and 132 transitions. [2022-12-14 22:09:16,458 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 132 transitions. [2022-12-14 22:09:16,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 22:09:16,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:16,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 22:09:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:16,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 97 states and 132 transitions. [2022-12-14 22:09:16,858 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 132 transitions. [2022-12-14 22:09:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 22:09:16,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:16,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:17,210 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-14 22:09:19,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:19,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 105 states and 144 transitions. [2022-12-14 22:09:19,623 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2022-12-14 22:09:19,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 22:09:19,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:19,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:19,739 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-14 22:09:20,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 106 states and 144 transitions. [2022-12-14 22:09:20,049 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2022-12-14 22:09:20,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 22:09:20,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:20,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:20,343 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-14 22:09:22,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:22,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 113 states and 154 transitions. [2022-12-14 22:09:22,457 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 154 transitions. [2022-12-14 22:09:22,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 22:09:22,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:22,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:22,574 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-14 22:09:22,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:22,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 53 states and 56 transitions. [2022-12-14 22:09:22,917 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2022-12-14 22:09:22,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:09:22,917 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 45 iterations. [2022-12-14 22:09:22,923 INFO L754 CodeCheckObserver]: All specifications hold 14 specifications checked. All of them hold [2022-12-14 22:09:23,104 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2022-12-14 22:09:23,110 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2022-12-14 22:09:23,110 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2022-12-14 22:09:23,111 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:09:23,111 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-12-14 22:09:23,111 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2022-12-14 22:09:23,111 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:09:23,111 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:09:23,111 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2022-12-14 22:09:23,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:09:23 ImpRootNode [2022-12-14 22:09:23,112 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:09:23,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:09:23,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:09:23,113 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:09:23,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:08:53" (3/4) ... [2022-12-14 22:09:23,115 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:09:23,118 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure myexit [2022-12-14 22:09:23,121 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 22:09:23,121 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-14 22:09:23,121 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 22:09:23,122 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:09:23,160 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876ae304-e190-49bc-9531-954a4ec9f0bd/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:09:23,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:09:23,160 INFO L158 Benchmark]: Toolchain (without parser) took 30816.23ms. Allocated memory was 136.3MB in the beginning and 237.0MB in the end (delta: 100.7MB). Free memory was 103.7MB in the beginning and 171.7MB in the end (delta: -68.1MB). Peak memory consumption was 164.6MB. Max. memory is 16.1GB. [2022-12-14 22:09:23,160 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:09:23,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.81ms. Allocated memory is still 136.3MB. Free memory was 103.7MB in the beginning and 86.1MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 22:09:23,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.83ms. Allocated memory is still 136.3MB. Free memory was 86.1MB in the beginning and 84.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:09:23,161 INFO L158 Benchmark]: Boogie Preprocessor took 22.00ms. Allocated memory is still 136.3MB. Free memory was 84.0MB in the beginning and 82.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:09:23,161 INFO L158 Benchmark]: RCFGBuilder took 395.98ms. Allocated memory is still 136.3MB. Free memory was 82.3MB in the beginning and 62.6MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 22:09:23,162 INFO L158 Benchmark]: CodeCheck took 30049.72ms. Allocated memory was 136.3MB in the beginning and 237.0MB in the end (delta: 100.7MB). Free memory was 62.6MB in the beginning and 45.1MB in the end (delta: 17.5MB). Peak memory consumption was 120.3MB. Max. memory is 16.1GB. [2022-12-14 22:09:23,162 INFO L158 Benchmark]: Witness Printer took 47.37ms. Allocated memory is still 237.0MB. Free memory was 45.1MB in the beginning and 171.7MB in the end (delta: -126.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-12-14 22:09:23,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 44 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 29.8s, OverallIterations: 45, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6780 SdHoareTripleChecker+Valid, 24.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5498 mSDsluCounter, 2012 SdHoareTripleChecker+Invalid, 21.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 912 mSDsCounter, 4675 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20599 IncrementalHoareTripleChecker+Invalid, 25274 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4675 mSolverCounterUnsat, 1100 mSDtfsCounter, 20599 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8816 GetRequests, 8130 SyntacticMatches, 198 SemanticMatches, 488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124039 ImplicationChecksByTransitivity, 25.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1236 NumberOfCodeBlocks, 1236 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 1192 ConstructedInterpolants, 0 QuantifiedInterpolants, 3104 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 44 InterpolantComputations, 13 PerfectInterpolantSequences, 481/666 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 620]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 620]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: ((2 <= len && i == 0) && len <= 2) || ((1 <= i && len + i <= 3) && i + 1 <= len) - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: (((2 <= len && i == 0) && len <= 2) || ((!(len + i <= 3) && 2 <= len) && len <= 2)) || ((1 <= i && len + i <= 3) && i + 1 <= len) - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: ((((len <= i + 1 && index <= 0) && 3 <= len + i) && i <= 1) || (((2 <= len && i == 0) && len <= 2) && index == 0)) || ((((2 <= len && 1 <= i) && i == index) && len <= 2) && index <= 1) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((2 <= len && len <= 2) && len <= 1) || (2 == len && len == len) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: (((2 <= len && i == 0) && len <= 2) || ((1 <= i && len + i <= 3) && i + 1 <= len)) || (!(len + i <= 3) && !(i + 1 <= len)) - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: ((((len <= i + 1 && 3 <= len + i) && index <= 0) && i <= 1) || ((((2 <= len && index == i) && 1 <= i) && index <= 1) && len <= 2)) || (((2 <= len && i == 0) && len <= 2) && index == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.81ms. Allocated memory is still 136.3MB. Free memory was 103.7MB in the beginning and 86.1MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.83ms. Allocated memory is still 136.3MB. Free memory was 86.1MB in the beginning and 84.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.00ms. Allocated memory is still 136.3MB. Free memory was 84.0MB in the beginning and 82.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 395.98ms. Allocated memory is still 136.3MB. Free memory was 82.3MB in the beginning and 62.6MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 30049.72ms. Allocated memory was 136.3MB in the beginning and 237.0MB in the end (delta: 100.7MB). Free memory was 62.6MB in the beginning and 45.1MB in the end (delta: 17.5MB). Peak memory consumption was 120.3MB. Max. memory is 16.1GB. * Witness Printer took 47.37ms. Allocated memory is still 237.0MB. Free memory was 45.1MB in the beginning and 171.7MB in the end (delta: -126.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:09:23,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876ae304-e190-49bc-9531-954a4ec9f0bd/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE