./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-simple/deep-nested.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a25d2a-d775-4560-9f8c-3c647a7bf511/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a25d2a-d775-4560-9f8c-3c647a7bf511/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a25d2a-d775-4560-9f8c-3c647a7bf511/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a25d2a-d775-4560-9f8c-3c647a7bf511/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/deep-nested.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a25d2a-d775-4560-9f8c-3c647a7bf511/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a25d2a-d775-4560-9f8c-3c647a7bf511/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash abddf9ff39262b7e56b56d5272c2d316261bfefbe98fc5849d87d962ab5f7694 --- 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-dbf71c6-m [2022-10-17 16:43:46,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:43:46,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:43:46,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:43:46,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:43:46,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:43:46,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:43:46,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:43:46,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:43:46,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:43:46,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:43:46,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:43:46,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:43:46,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:43:46,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:43:46,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:43:46,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:43:46,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:43:46,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:43:46,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:43:46,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:43:46,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:43:46,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:43:46,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:43:46,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:43:46,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:43:46,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:43:46,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:43:46,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:43:46,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:43:46,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:43:46,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:43:46,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:43:46,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:43:46,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:43:46,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:43:46,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:43:46,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:43:46,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:43:46,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:43:46,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:43:46,419 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a25d2a-d775-4560-9f8c-3c647a7bf511/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:43:46,458 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:43:46,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:43:46,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:43:46,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:43:46,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:43:46,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:43:46,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:43:46,462 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:43:46,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:43:46,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:43:46,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:43:46,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:43:46,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:43:46,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:43:46,464 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:43:46,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:43:46,464 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:43:46,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:43:46,465 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:43:46,465 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:43:46,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:43:46,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:46,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:43:46,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:43:46,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:43:46,466 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:43:46,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:43:46,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:43:46,467 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_d2a25d2a-d775-4560-9f8c-3c647a7bf511/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a25d2a-d775-4560-9f8c-3c647a7bf511/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abddf9ff39262b7e56b56d5272c2d316261bfefbe98fc5849d87d962ab5f7694 [2022-10-17 16:43:46,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:43:46,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:43:46,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:43:46,756 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:43:46,757 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:43:46,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a25d2a-d775-4560-9f8c-3c647a7bf511/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-simple/deep-nested.c [2022-10-17 16:43:46,836 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a25d2a-d775-4560-9f8c-3c647a7bf511/bin/ukojak-92XMlrwhuB/data/7da3e8bc6/1110337f626c4200a1a1540c2301d7e7/FLAG285f669a9 [2022-10-17 16:43:47,365 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:43:47,367 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a25d2a-d775-4560-9f8c-3c647a7bf511/sv-benchmarks/c/loop-simple/deep-nested.c [2022-10-17 16:43:47,373 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a25d2a-d775-4560-9f8c-3c647a7bf511/bin/ukojak-92XMlrwhuB/data/7da3e8bc6/1110337f626c4200a1a1540c2301d7e7/FLAG285f669a9 [2022-10-17 16:43:47,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a25d2a-d775-4560-9f8c-3c647a7bf511/bin/ukojak-92XMlrwhuB/data/7da3e8bc6/1110337f626c4200a1a1540c2301d7e7 [2022-10-17 16:43:47,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:43:47,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:43:47,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:47,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:43:47,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:43:47,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:47" (1/1) ... [2022-10-17 16:43:47,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f012781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:47, skipping insertion in model container [2022-10-17 16:43:47,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:47" (1/1) ... [2022-10-17 16:43:47,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:43:47,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:43:47,921 WARN L230 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_d2a25d2a-d775-4560-9f8c-3c647a7bf511/sv-benchmarks/c/loop-simple/deep-nested.c[625,638] [2022-10-17 16:43:47,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:47,936 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:43:47,953 WARN L230 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_d2a25d2a-d775-4560-9f8c-3c647a7bf511/sv-benchmarks/c/loop-simple/deep-nested.c[625,638] [2022-10-17 16:43:47,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:47,967 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:43:47,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:47 WrapperNode [2022-10-17 16:43:47,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:47,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:47,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:43:47,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:43:47,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:47" (1/1) ... [2022-10-17 16:43:47,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:47" (1/1) ... [2022-10-17 16:43:48,004 INFO L138 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-10-17 16:43:48,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:48,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:43:48,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:43:48,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:43:48,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:47" (1/1) ... [2022-10-17 16:43:48,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:47" (1/1) ... [2022-10-17 16:43:48,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:47" (1/1) ... [2022-10-17 16:43:48,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:47" (1/1) ... [2022-10-17 16:43:48,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:47" (1/1) ... [2022-10-17 16:43:48,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:47" (1/1) ... [2022-10-17 16:43:48,026 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:47" (1/1) ... [2022-10-17 16:43:48,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:47" (1/1) ... [2022-10-17 16:43:48,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:43:48,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:43:48,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:43:48,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:43:48,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:47" (1/1) ... [2022-10-17 16:43:48,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:48,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a25d2a-d775-4560-9f8c-3c647a7bf511/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:43:48,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a25d2a-d775-4560-9f8c-3c647a7bf511/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:43:48,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a25d2a-d775-4560-9f8c-3c647a7bf511/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:43:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:43:48,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:43:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:43:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:43:48,212 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:43:48,214 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:43:48,376 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:43:48,421 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:43:48,421 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:43:48,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:48 BoogieIcfgContainer [2022-10-17 16:43:48,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:43:48,425 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:43:48,425 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:43:48,446 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:43:48,463 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:48" (1/1) ... [2022-10-17 16:43:48,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:43:48,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:48,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2022-10-17 16:43:48,573 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2022-10-17 16:43:48,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:43:48,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:48,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:49,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:49,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 29 transitions. [2022-10-17 16:43:49,352 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 29 transitions. [2022-10-17 16:43:49,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:43:49,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:49,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:50,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2022-10-17 16:43:50,321 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2022-10-17 16:43:50,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:43:50,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:50,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:43:51,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:51,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2022-10-17 16:43:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2022-10-17 16:43:51,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:43:51,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:51,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:51,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:43:51,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:51,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2022-10-17 16:43:51,389 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2022-10-17 16:43:51,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:43:51,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:51,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:53,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:53,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2022-10-17 16:43:53,012 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2022-10-17 16:43:53,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:43:53,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:53,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:53,325 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:43:54,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:54,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2022-10-17 16:43:54,309 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2022-10-17 16:43:54,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:43:54,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:54,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:54,698 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:43:55,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:55,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2022-10-17 16:43:55,825 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2022-10-17 16:43:55,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:43:55,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:55,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:56,131 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:43:56,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:56,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2022-10-17 16:43:56,412 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2022-10-17 16:43:56,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:43:56,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:56,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:56,824 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:43:57,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:57,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2022-10-17 16:43:57,486 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2022-10-17 16:43:57,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:43:57,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:57,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:57,983 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:43:58,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:58,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2022-10-17 16:43:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2022-10-17 16:43:58,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:43:58,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:58,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:59,561 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:00,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:00,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 85 transitions. [2022-10-17 16:44:00,525 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2022-10-17 16:44:00,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:44:00,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:00,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:01,177 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:02,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:02,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2022-10-17 16:44:02,071 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2022-10-17 16:44:02,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:44:02,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:02,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:02,801 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:03,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:03,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 91 transitions. [2022-10-17 16:44:03,770 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2022-10-17 16:44:03,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:44:03,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:03,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:04,573 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 3 proven. 85 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:05,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:05,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2022-10-17 16:44:05,666 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2022-10-17 16:44:05,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:44:05,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:05,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:06,425 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 3 proven. 109 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:07,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:07,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2022-10-17 16:44:07,531 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2022-10-17 16:44:07,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:44:07,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:07,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 3 proven. 136 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:09,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:09,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 65 states and 100 transitions. [2022-10-17 16:44:09,551 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2022-10-17 16:44:09,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:44:09,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:09,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:10,404 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 3 proven. 166 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 103 transitions. [2022-10-17 16:44:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 103 transitions. [2022-10-17 16:44:11,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:44:11,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:11,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 3 proven. 199 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:14,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:14,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 71 states and 106 transitions. [2022-10-17 16:44:14,062 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 106 transitions. [2022-10-17 16:44:14,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:44:14,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:14,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:15,220 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 3 proven. 235 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:16,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:16,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 74 states and 109 transitions. [2022-10-17 16:44:16,864 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2022-10-17 16:44:16,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:44:16,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:16,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:17,963 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 3 proven. 274 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.