./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array08_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1b3678-4867-4955-ac25-4bccd212aad9/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1b3678-4867-4955-ac25-4bccd212aad9/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_be1b3678-4867-4955-ac25-4bccd212aad9/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1b3678-4867-4955-ac25-4bccd212aad9/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array08_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1b3678-4867-4955-ac25-4bccd212aad9/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1b3678-4867-4955-ac25-4bccd212aad9/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 64bit --witnessprinter.graph.data.programhash ea846d0aba06317f1556d20887ae97ba4fe62b0d875c0f978e04ead015c46479 --- 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 18:19:50,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:19:50,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:19:50,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:19:50,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:19:50,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:19:50,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:19:50,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:19:50,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:19:50,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:19:50,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:19:50,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:19:50,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:19:50,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:19:50,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:19:50,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:19:50,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:19:50,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:19:50,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:19:50,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:19:50,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:19:50,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:19:50,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:19:50,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:19:50,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:19:50,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:19:50,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:19:50,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:19:50,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:19:50,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:19:50,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:19:50,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:19:50,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:19:50,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:19:50,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:19:50,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:19:50,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:19:50,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:19:50,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:19:50,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:19:50,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:19:50,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1b3678-4867-4955-ac25-4bccd212aad9/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:19:50,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:19:50,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:19:50,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:19:50,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:19:50,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:19:50,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:19:50,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:19:50,390 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:19:50,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:19:50,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:19:50,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:19:50,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:19:50,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:19:50,391 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:19:50,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:19:50,391 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:19:50,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:19:50,391 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:19:50,392 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:19:50,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:19:50,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:19:50,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:19:50,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:19:50,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:19:50,393 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:19:50,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:19:50,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:19:50,393 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_be1b3678-4867-4955-ac25-4bccd212aad9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1b3678-4867-4955-ac25-4bccd212aad9/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea846d0aba06317f1556d20887ae97ba4fe62b0d875c0f978e04ead015c46479 [2022-12-14 18:19:50,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:19:50,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:19:50,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:19:50,608 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:19:50,608 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:19:50,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1b3678-4867-4955-ac25-4bccd212aad9/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-15/array08_alloca.i [2022-12-14 18:19:53,155 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:19:53,356 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:19:53,357 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1b3678-4867-4955-ac25-4bccd212aad9/sv-benchmarks/c/termination-15/array08_alloca.i [2022-12-14 18:19:53,363 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1b3678-4867-4955-ac25-4bccd212aad9/bin/ukojak-rkRKPMF4O4/data/3850a9ad2/df83515100664d7a854e3343eb710441/FLAG2bd3f8402 [2022-12-14 18:19:53,731 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1b3678-4867-4955-ac25-4bccd212aad9/bin/ukojak-rkRKPMF4O4/data/3850a9ad2/df83515100664d7a854e3343eb710441 [2022-12-14 18:19:53,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:19:53,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:19:53,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:19:53,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:19:53,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:19:53,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:19:53" (1/1) ... [2022-12-14 18:19:53,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@737ff860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:53, skipping insertion in model container [2022-12-14 18:19:53,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:19:53" (1/1) ... [2022-12-14 18:19:53,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:19:53,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:19:53,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:19:53,977 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:19:54,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:19:54,023 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:19:54,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:54 WrapperNode [2022-12-14 18:19:54,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:19:54,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:19:54,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:19:54,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:19:54,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:54" (1/1) ... [2022-12-14 18:19:54,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:54" (1/1) ... [2022-12-14 18:19:54,058 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-12-14 18:19:54,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:19:54,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:19:54,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:19:54,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:19:54,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:54" (1/1) ... [2022-12-14 18:19:54,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:54" (1/1) ... [2022-12-14 18:19:54,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:54" (1/1) ... [2022-12-14 18:19:54,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:54" (1/1) ... [2022-12-14 18:19:54,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:54" (1/1) ... [2022-12-14 18:19:54,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:54" (1/1) ... [2022-12-14 18:19:54,077 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:54" (1/1) ... [2022-12-14 18:19:54,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:54" (1/1) ... [2022-12-14 18:19:54,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:19:54,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:19:54,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:19:54,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:19:54,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:19:54" (1/1) ... [2022-12-14 18:19:54,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:19:54,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1b3678-4867-4955-ac25-4bccd212aad9/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:19:54,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1b3678-4867-4955-ac25-4bccd212aad9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:19:54,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1b3678-4867-4955-ac25-4bccd212aad9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:19:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:19:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:19:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:19:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:19:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:19:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:19:54,210 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:19:54,212 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:19:54,322 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:19:54,359 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:19:54,359 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 18:19:54,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:19:54 BoogieIcfgContainer [2022-12-14 18:19:54,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:19:54,362 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:19:54,362 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:19:54,370 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:19:54,370 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:19:54" (1/1) ... [2022-12-14 18:19:54,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:19:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:19:54,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-12-14 18:19:54,421 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-14 18:19:54,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:19:54,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:19:54,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:19:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:19:54,664 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 18:19:54,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:19:54,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2022-12-14 18:19:54,731 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2022-12-14 18:19:54,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:19:54,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:19:54,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:19:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:19:54,835 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 18:19:54,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:19:54,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-12-14 18:19:54,886 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-12-14 18:19:54,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:19:54,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:19:54,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:19:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:19:54,959 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 18:19:54,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:19:54,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-12-14 18:19:54,998 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-12-14 18:19:54,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:19:54,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:19:54,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:19:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:19:55,128 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 18:19:55,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:19:55,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2022-12-14 18:19:55,293 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2022-12-14 18:19:55,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:19:55,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:19:55,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:19:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:19:55,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:19:55,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:19:55,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2022-12-14 18:19:55,540 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2022-12-14 18:19:55,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:19:55,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:19:55,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:19:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:19:55,767 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 18:19:56,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:19:56,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2022-12-14 18:19:56,149 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2022-12-14 18:19:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:19:56,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:19:56,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:19:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:19:56,365 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 18:19:57,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:19:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2022-12-14 18:19:57,033 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2022-12-14 18:19:57,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:19:57,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:19:57,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:19:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:19:57,177 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:19:57,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:19:57,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2022-12-14 18:19:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2022-12-14 18:19:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:19:57,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:19:57,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:19:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:19:57,517 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:19:57,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:19:57,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 35 states and 66 transitions. [2022-12-14 18:19:57,850 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2022-12-14 18:19:57,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:19:57,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:19:57,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:19:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:19:58,337 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 18:19:59,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:19:59,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 37 states and 73 transitions. [2022-12-14 18:19:59,211 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 73 transitions. [2022-12-14 18:19:59,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:19:59,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:19:59,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:19:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:19:59,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:20:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:20:01,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 41 states and 85 transitions. [2022-12-14 18:20:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 85 transitions. [2022-12-14 18:20:01,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:20:01,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:20:01,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:20:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:20:01,486 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 18:20:02,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:20:02,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 41 states and 84 transitions. [2022-12-14 18:20:02,112 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 84 transitions. [2022-12-14 18:20:02,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:20:02,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:20:02,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:20:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:20:02,314 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 18:20:02,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:20:02,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 87 transitions. [2022-12-14 18:20:02,864 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 87 transitions. [2022-12-14 18:20:02,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:20:02,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:20:02,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:20:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:20:03,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:20:04,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:20:04,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 95 transitions. [2022-12-14 18:20:04,682 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 95 transitions. [2022-12-14 18:20:04,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:20:04,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:20:04,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:20:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:20:04,915 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:20:05,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:20:05,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2022-12-14 18:20:05,199 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2022-12-14 18:20:05,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:20:05,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:20:05,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:20:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:20:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:20:06,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:20:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 51 states and 107 transitions. [2022-12-14 18:20:06,048 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 107 transitions. [2022-12-14 18:20:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:20:06,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:20:06,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:20:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:20:06,746 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 18:20:08,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:20:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 51 states and 104 transitions. [2022-12-14 18:20:08,417 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2022-12-14 18:20:08,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:20:08,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:20:08,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:20:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:20:09,632 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:20:12,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:20:12,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 54 states and 116 transitions. [2022-12-14 18:20:12,879 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 116 transitions. [2022-12-14 18:20:12,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:20:12,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:20:12,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:20:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:20:13,279 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 18:20:14,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:20:14,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 55 states and 118 transitions. [2022-12-14 18:20:14,297 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 118 transitions. [2022-12-14 18:20:14,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:20:14,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:20:14,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:20:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:20:14,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 18:20:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:20:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:20:14,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 18:20:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:20:14,367 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2022-12-14 18:20:14,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:20:14 ImpRootNode [2022-12-14 18:20:14,387 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:20:14,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:20:14,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:20:14,388 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:20:14,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:19:54" (3/4) ... [2022-12-14 18:20:14,389 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 18:20:14,417 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1b3678-4867-4955-ac25-4bccd212aad9/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:20:14,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:20:14,418 INFO L158 Benchmark]: Toolchain (without parser) took 20682.01ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 97.9MB in the beginning and 40.7MB in the end (delta: 57.2MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2022-12-14 18:20:14,418 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:20:14,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.18ms. Allocated memory is still 134.2MB. Free memory was 97.5MB in the beginning and 80.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 18:20:14,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.15ms. Allocated memory is still 134.2MB. Free memory was 80.2MB in the beginning and 78.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:20:14,419 INFO L158 Benchmark]: Boogie Preprocessor took 20.86ms. Allocated memory is still 134.2MB. Free memory was 78.6MB in the beginning and 77.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:20:14,420 INFO L158 Benchmark]: RCFGBuilder took 280.91ms. Allocated memory is still 134.2MB. Free memory was 77.2MB in the beginning and 64.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 18:20:14,420 INFO L158 Benchmark]: CodeCheck took 20024.98ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 64.4MB in the beginning and 42.7MB in the end (delta: 21.7MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2022-12-14 18:20:14,420 INFO L158 Benchmark]: Witness Printer took 29.87ms. Allocated memory is still 161.5MB. Free memory was 42.7MB in the beginning and 40.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:20:14,422 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 20.0s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 743 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 598 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1165 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4453 IncrementalHoareTripleChecker+Invalid, 5618 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1165 mSolverCounterUnsat, 34 mSDtfsCounter, 4453 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2035 GetRequests, 1657 SyntacticMatches, 98 SemanticMatches, 280 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38392 ImplicationChecksByTransitivity, 16.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 1999 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 3 PerfectInterpolantSequences, 7/109 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 - CounterExampleResult [Line: 378]: integer overflow possible integer overflow possible We found a FailurePath: [L365] int i, j; [L366] int length = __VERIFIER_nondet_int(); [L367] COND FALSE !(length < 1) [L368] int *arr = __builtin_alloca(length*sizeof(int)); VAL [__builtin_alloca(length*sizeof(int))={2:0}, arr={2:0}, length=2] [L369] COND FALSE !(!arr) [L370] i=0 VAL [__builtin_alloca(length*sizeof(int))={2:0}, arr={2:0}, i=0, length=2] [L370] COND TRUE i