./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/test24-2.c --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_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/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_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test24-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/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_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/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 ba9918f9236391a08a9d6d8a63aa823d4042d99b397d7843518d83dccab2fbf8 --- 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 21:36:44,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:36:44,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:36:44,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:36:44,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:36:44,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:36:44,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:36:44,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:36:44,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:36:44,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:36:44,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:36:44,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:36:44,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:36:44,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:36:44,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:36:44,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:36:44,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:36:44,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:36:44,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:36:44,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:36:44,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:36:44,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:36:44,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:36:44,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:36:44,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:36:44,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:36:44,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:36:44,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:36:44,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:36:44,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:36:44,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:36:44,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:36:44,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:36:44,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:36:44,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:36:44,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:36:44,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:36:44,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:36:44,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:36:44,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:36:44,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:36:44,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 21:36:44,507 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:36:44,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:36:44,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:36:44,508 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:36:44,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:36:44,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:36:44,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:36:44,509 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:36:44,509 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:36:44,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:36:44,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:36:44,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:36:44,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:36:44,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:36:44,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:36:44,510 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 21:36:44,510 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:36:44,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:36:44,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:36:44,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:36:44,510 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:36:44,510 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:36:44,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:36:44,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:36:44,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:36:44,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:36:44,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:36:44,511 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:36:44,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:36:44,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:36:44,511 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_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba9918f9236391a08a9d6d8a63aa823d4042d99b397d7843518d83dccab2fbf8 [2022-12-14 21:36:44,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:36:44,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:36:44,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:36:44,697 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:36:44,698 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:36:44,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/ldv-regression/test24-2.c [2022-12-14 21:36:47,275 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:36:47,409 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:36:47,410 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/sv-benchmarks/c/ldv-regression/test24-2.c [2022-12-14 21:36:47,415 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/bin/ukojak-rkRKPMF4O4/data/844e0ede9/4b6ba8bb25e14c7ab80f36559b8843fc/FLAG7fbeccd2f [2022-12-14 21:36:47,427 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/bin/ukojak-rkRKPMF4O4/data/844e0ede9/4b6ba8bb25e14c7ab80f36559b8843fc [2022-12-14 21:36:47,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:36:47,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:36:47,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:36:47,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:36:47,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:36:47,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:36:47" (1/1) ... [2022-12-14 21:36:47,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9eff5c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:36:47, skipping insertion in model container [2022-12-14 21:36:47,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:36:47" (1/1) ... [2022-12-14 21:36:47,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:36:47,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:36:47,575 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_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/sv-benchmarks/c/ldv-regression/test24-2.c[807,820] [2022-12-14 21:36:47,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:36:47,583 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:36:47,598 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_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/sv-benchmarks/c/ldv-regression/test24-2.c[807,820] [2022-12-14 21:36:47,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:36:47,611 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:36:47,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:36:47 WrapperNode [2022-12-14 21:36:47,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:36:47,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:36:47,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:36:47,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:36:47,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:36:47" (1/1) ... [2022-12-14 21:36:47,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:36:47" (1/1) ... [2022-12-14 21:36:47,643 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2022-12-14 21:36:47,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:36:47,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:36:47,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:36:47,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:36:47,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:36:47" (1/1) ... [2022-12-14 21:36:47,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:36:47" (1/1) ... [2022-12-14 21:36:47,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:36:47" (1/1) ... [2022-12-14 21:36:47,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:36:47" (1/1) ... [2022-12-14 21:36:47,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:36:47" (1/1) ... [2022-12-14 21:36:47,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:36:47" (1/1) ... [2022-12-14 21:36:47,662 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:36:47" (1/1) ... [2022-12-14 21:36:47,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:36:47" (1/1) ... [2022-12-14 21:36:47,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:36:47,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:36:47,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:36:47,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:36:47,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:36:47" (1/1) ... [2022-12-14 21:36:47,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:36:47,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:36:47,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:36:47,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:36:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:36:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:36:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:36:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 21:36:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:36:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:36:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 21:36:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:36:47,782 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:36:47,783 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:36:47,897 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:36:47,920 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:36:47,920 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 21:36:47,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:36:47 BoogieIcfgContainer [2022-12-14 21:36:47,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:36:47,923 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:36:47,923 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:36:47,931 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:36:47,931 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:36:47" (1/1) ... [2022-12-14 21:36:47,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:36:47,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:47,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-12-14 21:36:47,980 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-12-14 21:36:47,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 21:36:47,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:47,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:48,184 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 21:36:48,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:48,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-12-14 21:36:48,235 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-12-14 21:36:48,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 21:36:48,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:48,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:48,281 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 21:36:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:48,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-12-14 21:36:48,298 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-12-14 21:36:48,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 21:36:48,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:48,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:48,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:48,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:48,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-12-14 21:36:48,475 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-12-14 21:36:48,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 21:36:48,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:48,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:48,540 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 21:36:48,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:48,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2022-12-14 21:36:48,574 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-12-14 21:36:48,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 21:36:48,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:48,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:48,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 21:36:48,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:48,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-12-14 21:36:48,688 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-12-14 21:36:48,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:36:48,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:48,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:48,788 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:48,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2022-12-14 21:36:48,824 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-12-14 21:36:48,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 21:36:48,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:48,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:49,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:49,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2022-12-14 21:36:49,014 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-12-14 21:36:49,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 21:36:49,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:49,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:49,110 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:49,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:49,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2022-12-14 21:36:49,248 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-12-14 21:36:49,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 21:36:49,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:49,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:49,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:49,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 33 states and 37 transitions. [2022-12-14 21:36:49,497 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-12-14 21:36:49,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 21:36:49,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:49,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:49,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:49,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2022-12-14 21:36:49,796 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-12-14 21:36:49,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 21:36:49,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:49,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:50,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:50,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2022-12-14 21:36:50,113 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-12-14 21:36:50,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 21:36:50,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:50,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:50,252 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:50,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:50,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 42 states and 46 transitions. [2022-12-14 21:36:50,455 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2022-12-14 21:36:50,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:36:50,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:50,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:50,647 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:50,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:50,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2022-12-14 21:36:50,869 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-12-14 21:36:50,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 21:36:50,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:50,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:51,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2022-12-14 21:36:51,244 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2022-12-14 21:36:51,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 21:36:51,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:51,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:51,440 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:51,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 51 states and 55 transitions. [2022-12-14 21:36:51,668 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2022-12-14 21:36:51,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 21:36:51,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:51,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:51,863 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:52,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:52,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2022-12-14 21:36:52,127 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2022-12-14 21:36:52,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 21:36:52,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:52,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:52,366 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:52,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:52,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 57 states and 61 transitions. [2022-12-14 21:36:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2022-12-14 21:36:52,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 21:36:52,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:52,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:52,881 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:53,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:53,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 60 states and 64 transitions. [2022-12-14 21:36:53,197 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2022-12-14 21:36:53,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 21:36:53,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:53,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:53,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:53,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 63 states and 67 transitions. [2022-12-14 21:36:53,767 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-12-14 21:36:53,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 21:36:53,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:53,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:54,023 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:54,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:54,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 66 states and 70 transitions. [2022-12-14 21:36:54,378 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2022-12-14 21:36:54,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 21:36:54,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:54,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:54,697 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:55,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:55,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 69 states and 73 transitions. [2022-12-14 21:36:55,085 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2022-12-14 21:36:55,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 21:36:55,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:55,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:55,392 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:55,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:55,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 72 states and 76 transitions. [2022-12-14 21:36:55,727 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2022-12-14 21:36:55,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 21:36:55,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:55,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:56,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:56,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 75 states and 79 transitions. [2022-12-14 21:36:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2022-12-14 21:36:56,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 21:36:56,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:56,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:36:56,749 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:36:57,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:36:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 78 states and 81 transitions. [2022-12-14 21:36:57,131 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2022-12-14 21:36:57,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 21:36:57,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:36:57,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:36:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:37:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-12-14 21:37:09,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:37:09,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 77 states and 80 transitions. [2022-12-14 21:37:09,514 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2022-12-14 21:37:09,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 21:37:09,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:37:09,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:37:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:37:11,985 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-12-14 21:37:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:37:12,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 76 states and 79 transitions. [2022-12-14 21:37:12,333 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2022-12-14 21:37:12,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-14 21:37:12,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:37:12,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:37:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:37:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-12-14 21:37:12,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:37:12,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 79 states and 83 transitions. [2022-12-14 21:37:12,587 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2022-12-14 21:37:12,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 21:37:12,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:37:12,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:37:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:37:15,181 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-12-14 21:37:16,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:37:16,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 83 states and 89 transitions. [2022-12-14 21:37:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2022-12-14 21:37:16,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-14 21:37:16,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:37:16,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:37:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:37:16,835 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-12-14 21:37:17,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:37:17,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 79 states and 83 transitions. [2022-12-14 21:37:17,150 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2022-12-14 21:37:17,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 21:37:17,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:37:17,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:37:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:37:17,735 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2022-12-14 21:37:20,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:37:20,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 74 states and 76 transitions. [2022-12-14 21:37:20,185 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2022-12-14 21:37:20,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 21:37:20,186 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2022-12-14 21:37:20,192 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-14 21:37:20,444 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 21:37:20,447 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 21:37:20,448 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2022-12-14 21:37:20,452 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 21:37:20,452 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-12-14 21:37:20,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:37:20 ImpRootNode [2022-12-14 21:37:20,452 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:37:20,453 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:37:20,453 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:37:20,453 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:37:20,453 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:36:47" (3/4) ... [2022-12-14 21:37:20,455 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 21:37:20,461 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-14 21:37:20,461 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 21:37:20,461 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 21:37:20,461 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 21:37:20,487 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:37:20,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:37:20,487 INFO L158 Benchmark]: Toolchain (without parser) took 33057.59ms. Allocated memory was 121.6MB in the beginning and 620.8MB in the end (delta: 499.1MB). Free memory was 83.5MB in the beginning and 425.9MB in the end (delta: -342.4MB). Peak memory consumption was 157.6MB. Max. memory is 16.1GB. [2022-12-14 21:37:20,488 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory was 84.2MB in the beginning and 84.2MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:37:20,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.47ms. Allocated memory is still 121.6MB. Free memory was 83.5MB in the beginning and 73.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 21:37:20,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.79ms. Allocated memory is still 121.6MB. Free memory was 73.0MB in the beginning and 71.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:37:20,489 INFO L158 Benchmark]: Boogie Preprocessor took 21.07ms. Allocated memory is still 121.6MB. Free memory was 71.4MB in the beginning and 70.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:37:20,489 INFO L158 Benchmark]: RCFGBuilder took 256.15ms. Allocated memory is still 121.6MB. Free memory was 70.1MB in the beginning and 57.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 21:37:20,490 INFO L158 Benchmark]: CodeCheck took 32529.69ms. Allocated memory was 121.6MB in the beginning and 620.8MB in the end (delta: 499.1MB). Free memory was 57.5MB in the beginning and 429.0MB in the end (delta: -371.6MB). Peak memory consumption was 130.4MB. Max. memory is 16.1GB. [2022-12-14 21:37:20,490 INFO L158 Benchmark]: Witness Printer took 34.09ms. Allocated memory is still 620.8MB. Free memory was 429.0MB in the beginning and 425.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:37:20,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 32.2s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1553 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1293 mSDsluCounter, 136 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2663 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7056 IncrementalHoareTripleChecker+Invalid, 9719 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2663 mSolverCounterUnsat, 128 mSDtfsCounter, 7056 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7292 GetRequests, 6777 SyntacticMatches, 91 SemanticMatches, 424 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87570 ImplicationChecksByTransitivity, 21.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 13.2s InterpolantComputationTime, 1086 NumberOfCodeBlocks, 1086 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1056 ConstructedInterpolants, 0 QuantifiedInterpolants, 3418 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 5 PerfectInterpolantSequences, 2274/7169 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 <= i + 2147483648 && unknown-#memory_int-unknown[pa][pa] <= 9 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (1 <= j && ad1 == 0) || (ad1 == 0 && j == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory was 84.2MB in the beginning and 84.2MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.47ms. Allocated memory is still 121.6MB. Free memory was 83.5MB in the beginning and 73.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.79ms. Allocated memory is still 121.6MB. Free memory was 73.0MB in the beginning and 71.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.07ms. Allocated memory is still 121.6MB. Free memory was 71.4MB in the beginning and 70.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 256.15ms. Allocated memory is still 121.6MB. Free memory was 70.1MB in the beginning and 57.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 32529.69ms. Allocated memory was 121.6MB in the beginning and 620.8MB in the end (delta: 499.1MB). Free memory was 57.5MB in the beginning and 429.0MB in the end (delta: -371.6MB). Peak memory consumption was 130.4MB. Max. memory is 16.1GB. * Witness Printer took 34.09ms. Allocated memory is still 620.8MB. Free memory was 429.0MB in the beginning and 425.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 21:37:20,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb14bddf-1e5b-4acc-afb3-c4bf00711a5c/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