./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig7-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_3cf65880-ca3b-4640-a483-f537ec2b3085/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf65880-ca3b-4640-a483-f537ec2b3085/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_3cf65880-ca3b-4640-a483-f537ec2b3085/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf65880-ca3b-4640-a483-f537ec2b3085/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig7-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf65880-ca3b-4640-a483-f537ec2b3085/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_3cf65880-ca3b-4640-a483-f537ec2b3085/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 23dd20104e52996ac875d0559143ce4f366abd3f5073fa9f75cda1ab0a7a927f --- 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 21:41:58,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:41:58,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:41:59,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:41:59,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:41:59,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:41:59,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:41:59,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:41:59,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:41:59,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:41:59,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:41:59,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:41:59,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:41:59,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:41:59,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:41:59,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:41:59,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:41:59,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:41:59,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:41:59,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:41:59,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:41:59,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:41:59,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:41:59,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:41:59,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:41:59,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:41:59,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:41:59,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:41:59,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:41:59,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:41:59,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:41:59,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:41:59,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:41:59,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:41:59,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:41:59,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:41:59,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:41:59,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:41:59,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:41:59,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:41:59,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:41:59,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf65880-ca3b-4640-a483-f537ec2b3085/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 21:41:59,068 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:41:59,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:41:59,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:41:59,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:41:59,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:41:59,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:41:59,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:41:59,070 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:41:59,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:41:59,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:41:59,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:41:59,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:41:59,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:41:59,071 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 21:41:59,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:41:59,072 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:41:59,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:41:59,072 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:41:59,072 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:41:59,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:41:59,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:41:59,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:41:59,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:41:59,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:41:59,073 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:41:59,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:41:59,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:41:59,074 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_3cf65880-ca3b-4640-a483-f537ec2b3085/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf65880-ca3b-4640-a483-f537ec2b3085/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23dd20104e52996ac875d0559143ce4f366abd3f5073fa9f75cda1ab0a7a927f [2022-12-14 21:41:59,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:41:59,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:41:59,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:41:59,286 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:41:59,287 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:41:59,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf65880-ca3b-4640-a483-f537ec2b3085/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig7-alloca-2.i [2022-12-14 21:42:01,895 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:42:02,034 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:42:02,034 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf65880-ca3b-4640-a483-f537ec2b3085/sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig7-alloca-2.i [2022-12-14 21:42:02,041 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf65880-ca3b-4640-a483-f537ec2b3085/bin/ukojak-rkRKPMF4O4/data/a6e498f62/d7f2829884b34ad0b6b9811e844aec90/FLAGee361ebb8 [2022-12-14 21:42:02,050 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf65880-ca3b-4640-a483-f537ec2b3085/bin/ukojak-rkRKPMF4O4/data/a6e498f62/d7f2829884b34ad0b6b9811e844aec90 [2022-12-14 21:42:02,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:42:02,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:42:02,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:42:02,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:42:02,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:42:02,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:42:02" (1/1) ... [2022-12-14 21:42:02,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47bc9304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:02, skipping insertion in model container [2022-12-14 21:42:02,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:42:02" (1/1) ... [2022-12-14 21:42:02,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:42:02,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:42:02,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:42:02,247 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:42:02,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:42:02,288 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:42:02,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:02 WrapperNode [2022-12-14 21:42:02,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:42:02,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:42:02,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:42:02,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:42:02,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:02" (1/1) ... [2022-12-14 21:42:02,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:02" (1/1) ... [2022-12-14 21:42:02,316 INFO L138 Inliner]: procedures = 110, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 88 [2022-12-14 21:42:02,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:42:02,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:42:02,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:42:02,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:42:02,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:02" (1/1) ... [2022-12-14 21:42:02,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:02" (1/1) ... [2022-12-14 21:42:02,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:02" (1/1) ... [2022-12-14 21:42:02,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:02" (1/1) ... [2022-12-14 21:42:02,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:02" (1/1) ... [2022-12-14 21:42:02,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:02" (1/1) ... [2022-12-14 21:42:02,330 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:02" (1/1) ... [2022-12-14 21:42:02,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:02" (1/1) ... [2022-12-14 21:42:02,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:42:02,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:42:02,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:42:02,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:42:02,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:02" (1/1) ... [2022-12-14 21:42:02,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:42:02,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf65880-ca3b-4640-a483-f537ec2b3085/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:42:02,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf65880-ca3b-4640-a483-f537ec2b3085/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:42:02,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf65880-ca3b-4640-a483-f537ec2b3085/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:42:02,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 21:42:02,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 21:42:02,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:42:02,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:42:02,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:42:02,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:42:02,483 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:42:02,484 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:42:02,638 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:42:02,678 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:42:02,678 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:42:02,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:42:02 BoogieIcfgContainer [2022-12-14 21:42:02,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:42:02,681 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:42:02,681 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:42:02,689 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:42:02,689 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:42:02" (1/1) ... [2022-12-14 21:42:02,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:42:02,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:02,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2022-12-14 21:42:02,735 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-12-14 21:42:02,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 21:42:02,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:02,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:24,527 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 21:42:24,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:24,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2022-12-14 21:42:24,606 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-12-14 21:42:24,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:42:24,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:24,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:42:24,842 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 21:42:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:42:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:42:25,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 21:42:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:42:25,563 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-12-14 21:42:25,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:42:25 ImpRootNode [2022-12-14 21:42:25,593 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:42:25,594 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:42:25,594 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:42:25,594 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:42:25,594 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:42:02" (3/4) ... [2022-12-14 21:42:25,596 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 21:42:25,634 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf65880-ca3b-4640-a483-f537ec2b3085/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:42:25,634 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:42:25,635 INFO L158 Benchmark]: Toolchain (without parser) took 23580.79ms. Allocated memory was 161.5MB in the beginning and 490.7MB in the end (delta: 329.3MB). Free memory was 121.6MB in the beginning and 228.4MB in the end (delta: -106.8MB). Peak memory consumption was 225.2MB. Max. memory is 16.1GB. [2022-12-14 21:42:25,635 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 161.5MB. Free memory is still 130.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:42:25,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.27ms. Allocated memory is still 161.5MB. Free memory was 121.2MB in the beginning and 105.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 21:42:25,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.78ms. Allocated memory is still 161.5MB. Free memory was 105.4MB in the beginning and 103.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:42:25,637 INFO L158 Benchmark]: Boogie Preprocessor took 16.02ms. Allocated memory is still 161.5MB. Free memory was 103.9MB in the beginning and 102.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:42:25,637 INFO L158 Benchmark]: RCFGBuilder took 347.28ms. Allocated memory is still 161.5MB. Free memory was 102.3MB in the beginning and 84.4MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 21:42:25,638 INFO L158 Benchmark]: CodeCheck took 22912.24ms. Allocated memory was 161.5MB in the beginning and 490.7MB in the end (delta: 329.3MB). Free memory was 84.4MB in the beginning and 230.5MB in the end (delta: -146.1MB). Peak memory consumption was 185.4MB. Max. memory is 16.1GB. [2022-12-14 21:42:25,638 INFO L158 Benchmark]: Witness Printer took 40.56ms. Allocated memory is still 490.7MB. Free memory was 230.5MB in the beginning and 228.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:42:25,641 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, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 22.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 2 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 21.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 563]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* a = __builtin_alloca (sizeof(int)); [L549] int* i = __builtin_alloca (sizeof(int)); [L550] int* b = __builtin_alloca (sizeof(int)); [L551] int* j = __builtin_alloca (sizeof(int)); [L552] int* c = __builtin_alloca (sizeof(int)); [L553] int* M = __builtin_alloca (sizeof(int)); [L554] int* N = __builtin_alloca (sizeof(int)); [L555] *i = __VERIFIER_nondet_int() [L556] *j = __VERIFIER_nondet_int() [L557] *M = __VERIFIER_nondet_int() [L558] *N = __VERIFIER_nondet_int() [L559] EXPR \read(*i) [L559] *a = *i [L560] EXPR \read(*j) [L560] *b = *j [L561] *c = 0 VAL [__builtin_alloca (sizeof(int))={4689:0}, __builtin_alloca (sizeof(int))={4687:0}, __builtin_alloca (sizeof(int))={4685:0}, __builtin_alloca (sizeof(int))={4690:0}, __builtin_alloca (sizeof(int))={4688:0}, __builtin_alloca (sizeof(int))={4691:0}, __builtin_alloca (sizeof(int))={4686:0}, a={4686:0}, b={4688:0}, c={4690:0}, i={4685:0}, j={4687:0}, M={4691:0}, N={4689:0}] [L562] EXPR \read(*i) [L562] EXPR \read(*M) [L562] *i < *M || *j < *N [L562] EXPR \read(*j) [L562] EXPR \read(*N) [L562] *i < *M || *j < *N VAL [*i < *M || *j < *N=1, \read(*i)=2147483647, \read(*j)=2147456271, \read(*M)=2147456270, \read(*N)=2147483647, __builtin_alloca (sizeof(int))={4689:0}, __builtin_alloca (sizeof(int))={4687:0}, __builtin_alloca (sizeof(int))={4685:0}, __builtin_alloca (sizeof(int))={4690:0}, __builtin_alloca (sizeof(int))={4688:0}, __builtin_alloca (sizeof(int))={4691:0}, __builtin_alloca (sizeof(int))={4686:0}, a={4686:0}, b={4688:0}, c={4690:0}, i={4685:0}, j={4687:0}, M={4691:0}, N={4689:0}] [L562] COND TRUE *i < *M || *j < *N [L563] EXPR \read(*i) VAL [\read(*i)=2147483647, __builtin_alloca (sizeof(int))={4689:0}, __builtin_alloca (sizeof(int))={4687:0}, __builtin_alloca (sizeof(int))={4685:0}, __builtin_alloca (sizeof(int))={4690:0}, __builtin_alloca (sizeof(int))={4688:0}, __builtin_alloca (sizeof(int))={4691:0}, __builtin_alloca (sizeof(int))={4686:0}, a={4686:0}, b={4688:0}, c={4690:0}, i={4685:0}, j={4687:0}, M={4691:0}, N={4689:0}] [L563] *i + 1 VAL [\read(*i)=2147483647, __builtin_alloca (sizeof(int))={4689:0}, __builtin_alloca (sizeof(int))={4687:0}, __builtin_alloca (sizeof(int))={4685:0}, __builtin_alloca (sizeof(int))={4690:0}, __builtin_alloca (sizeof(int))={4688:0}, __builtin_alloca (sizeof(int))={4691:0}, __builtin_alloca (sizeof(int))={4686:0}, a={4686:0}, b={4688:0}, c={4690:0}, i={4685:0}, j={4687:0}, M={4691:0}, N={4689:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 161.5MB. Free memory is still 130.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.27ms. Allocated memory is still 161.5MB. Free memory was 121.2MB in the beginning and 105.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.78ms. Allocated memory is still 161.5MB. Free memory was 105.4MB in the beginning and 103.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.02ms. Allocated memory is still 161.5MB. Free memory was 103.9MB in the beginning and 102.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.28ms. Allocated memory is still 161.5MB. Free memory was 102.3MB in the beginning and 84.4MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 22912.24ms. Allocated memory was 161.5MB in the beginning and 490.7MB in the end (delta: 329.3MB). Free memory was 84.4MB in the beginning and 230.5MB in the end (delta: -146.1MB). Peak memory consumption was 185.4MB. Max. memory is 16.1GB. * Witness Printer took 40.56ms. Allocated memory is still 490.7MB. Free memory was 230.5MB in the beginning and 228.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 21:42:25,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf65880-ca3b-4640-a483-f537ec2b3085/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)