./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex8.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg --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 e0b97717a770147a51187027f49ce4841280b7c6199e58b9d59e9dd8baf91869 --- 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-b5237d8 [2022-11-21 23:11:28,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:11:28,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:11:29,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:11:29,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:11:29,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:11:29,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:11:29,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:11:29,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:11:29,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:11:29,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:11:29,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:11:29,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:11:29,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:11:29,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:11:29,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:11:29,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:11:29,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:11:29,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:11:29,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:11:29,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:11:29,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:11:29,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:11:29,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:11:29,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:11:29,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:11:29,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:11:29,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:11:29,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:11:29,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:11:29,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:11:29,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:11:29,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:11:29,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:11:29,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:11:29,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:11:29,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:11:29,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:11:29,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:11:29,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:11:29,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:11:29,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:11:29,130 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:11:29,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:11:29,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:11:29,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:11:29,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:11:29,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:11:29,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:11:29,134 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:11:29,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:11:29,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:11:29,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:11:29,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:11:29,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:11:29,136 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:11:29,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:11:29,137 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:11:29,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:11:29,137 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:11:29,137 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:11:29,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:11:29,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:11:29,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:11:29,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:11:29,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:11:29,139 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:11:29,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:11:29,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:11:29,139 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_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0b97717a770147a51187027f49ce4841280b7c6199e58b9d59e9dd8baf91869 [2022-11-21 23:11:29,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:11:29,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:11:29,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:11:29,501 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:11:29,502 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:11:29,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex8.i [2022-11-21 23:11:32,583 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:11:32,766 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:11:32,767 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db58c630-4e09-45e5-bb35-c8d04ac5b687/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex8.i [2022-11-21 23:11:32,773 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg/data/1f02a8f5d/1e17d2ce0a364a958dd9d077df7c4736/FLAGe2feccea1 [2022-11-21 23:11:32,787 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg/data/1f02a8f5d/1e17d2ce0a364a958dd9d077df7c4736 [2022-11-21 23:11:32,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:11:32,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:11:32,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:11:32,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:11:32,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:11:32,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:11:32" (1/1) ... [2022-11-21 23:11:32,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5322266e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:32, skipping insertion in model container [2022-11-21 23:11:32,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:11:32" (1/1) ... [2022-11-21 23:11:32,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:11:32,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:11:33,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:11:33,073 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:11:33,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:11:33,106 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:11:33,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:33 WrapperNode [2022-11-21 23:11:33,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:11:33,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:11:33,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:11:33,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:11:33,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:33" (1/1) ... [2022-11-21 23:11:33,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:33" (1/1) ... [2022-11-21 23:11:33,136 INFO L138 Inliner]: procedures = 12, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2022-11-21 23:11:33,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:11:33,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:11:33,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:11:33,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:11:33,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:33" (1/1) ... [2022-11-21 23:11:33,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:33" (1/1) ... [2022-11-21 23:11:33,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:33" (1/1) ... [2022-11-21 23:11:33,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:33" (1/1) ... [2022-11-21 23:11:33,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:33" (1/1) ... [2022-11-21 23:11:33,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:33" (1/1) ... [2022-11-21 23:11:33,170 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:33" (1/1) ... [2022-11-21 23:11:33,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:33" (1/1) ... [2022-11-21 23:11:33,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:11:33,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:11:33,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:11:33,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:11:33,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:33" (1/1) ... [2022-11-21 23:11:33,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:11:33,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:11:33,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:11:33,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:11:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:11:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:11:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-21 23:11:33,249 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-21 23:11:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure g [2022-11-21 23:11:33,249 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2022-11-21 23:11:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:11:33,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:11:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:11:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:11:33,364 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:11:33,366 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:11:33,574 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:11:33,594 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:11:33,595 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:11:33,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:11:33 BoogieIcfgContainer [2022-11-21 23:11:33,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:11:33,598 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:11:33,598 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:11:33,608 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:11:33,608 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:11:33" (1/1) ... [2022-11-21 23:11:33,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:11:33,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:33,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2022-11-21 23:11:33,673 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2022-11-21 23:11:33,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:11:33,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:33,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:11:33,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:11:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:11:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:11:33,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:11:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:11:33,911 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-21 23:11:33,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:11:33 ImpRootNode [2022-11-21 23:11:33,938 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:11:33,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:11:33,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:11:33,939 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:11:33,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:11:33" (3/4) ... [2022-11-21 23:11:33,941 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 23:11:33,975 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:11:33,975 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:11:33,976 INFO L158 Benchmark]: Toolchain (without parser) took 1178.76ms. Allocated memory is still 146.8MB. Free memory was 103.8MB in the beginning and 82.1MB in the end (delta: 21.7MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-11-21 23:11:33,976 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 100.7MB. Free memory was 69.8MB in the beginning and 69.7MB in the end (delta: 91.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:11:33,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.80ms. Allocated memory is still 146.8MB. Free memory was 103.8MB in the beginning and 114.3MB in the end (delta: -10.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 23:11:33,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.26ms. Allocated memory is still 146.8MB. Free memory was 114.3MB in the beginning and 113.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:11:33,978 INFO L158 Benchmark]: Boogie Preprocessor took 37.85ms. Allocated memory is still 146.8MB. Free memory was 113.0MB in the beginning and 111.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:11:33,978 INFO L158 Benchmark]: RCFGBuilder took 419.61ms. Allocated memory is still 146.8MB. Free memory was 111.2MB in the beginning and 98.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 23:11:33,979 INFO L158 Benchmark]: CodeCheck took 339.59ms. Allocated memory is still 146.8MB. Free memory was 98.3MB in the beginning and 84.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:11:33,980 INFO L158 Benchmark]: Witness Printer took 36.52ms. Allocated memory is still 146.8MB. Free memory was 84.3MB in the beginning and 82.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:11:33,983 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 3 procedures, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 13]: integer overflow possible integer overflow possible We found a FailurePath: [L41] int *p1 = malloc(sizeof(int)); [L42] int *p2 = malloc(sizeof(int)); [L44] *p1 = __VERIFIER_nondet_int() [L45] *p2 = __VERIFIER_nondet_int() [L47] CALL f(p1,p2) VAL [p={-2:0}, q={-1:0}] [L13] EXPR \read(*p) [L13] EXPR \read(*q) VAL [\read(*p)=1073741823, \read(*q)=1073741825, p={-2:0}, p={-2:0}, q={-1:0}, q={-1:0}] [L13] *p + *q VAL [\read(*p)=1073741823, \read(*q)=1073741825, p={-2:0}, p={-2:0}, q={-1:0}, q={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 100.7MB. Free memory was 69.8MB in the beginning and 69.7MB in the end (delta: 91.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.80ms. Allocated memory is still 146.8MB. Free memory was 103.8MB in the beginning and 114.3MB in the end (delta: -10.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.26ms. Allocated memory is still 146.8MB. Free memory was 114.3MB in the beginning and 113.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.85ms. Allocated memory is still 146.8MB. Free memory was 113.0MB in the beginning and 111.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.61ms. Allocated memory is still 146.8MB. Free memory was 111.2MB in the beginning and 98.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 339.59ms. Allocated memory is still 146.8MB. Free memory was 98.3MB in the beginning and 84.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 36.52ms. Allocated memory is still 146.8MB. Free memory was 84.3MB in the beginning and 82.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 23:11:34,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db58c630-4e09-45e5-bb35-c8d04ac5b687/bin/ukojak-jW3SillKbg/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)