./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex6.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --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 17c86d2b8a28fdd005d6739fc4a1f20e5e9dce3ceff149b41d42da89d2ce4175 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:34:39,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:34:39,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:34:39,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:34:39,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:34:39,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:34:39,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:34:39,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:34:39,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:34:39,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:34:39,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:34:39,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:34:39,869 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:34:39,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:34:39,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:34:39,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:34:39,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:34:39,872 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:34:39,873 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:34:39,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:34:39,874 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:34:39,875 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:34:39,875 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:34:39,876 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:34:39,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:34:39,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:39,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:34:39,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:34:39,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:34:39,880 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:34:39,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:34:39,881 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:34:39,881 INFO L153 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_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17c86d2b8a28fdd005d6739fc4a1f20e5e9dce3ceff149b41d42da89d2ce4175 [2023-11-21 18:34:40,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:34:40,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:34:40,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:34:40,242 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:34:40,243 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:34:40,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex6.i [2023-11-21 18:34:43,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:34:43,756 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:34:43,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex6.i [2023-11-21 18:34:43,764 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2/data/40c20145a/7a0f21762efe43149046d000bf8205d9/FLAG2c2f36404 [2023-11-21 18:34:43,780 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2/data/40c20145a/7a0f21762efe43149046d000bf8205d9 [2023-11-21 18:34:43,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:34:43,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:34:43,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:43,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:34:43,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:34:43,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:43" (1/1) ... [2023-11-21 18:34:43,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aed1535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:43, skipping insertion in model container [2023-11-21 18:34:43,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:43" (1/1) ... [2023-11-21 18:34:43,819 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:34:44,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:44,089 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:34:44,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:44,128 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:34:44,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:44 WrapperNode [2023-11-21 18:34:44,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:44,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:44,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:34:44,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:34:44,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:44" (1/1) ... [2023-11-21 18:34:44,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:44" (1/1) ... [2023-11-21 18:34:44,169 INFO L138 Inliner]: procedures = 12, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-11-21 18:34:44,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:44,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:34:44,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:34:44,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:34:44,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:44" (1/1) ... [2023-11-21 18:34:44,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:44" (1/1) ... [2023-11-21 18:34:44,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:44" (1/1) ... [2023-11-21 18:34:44,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:44" (1/1) ... [2023-11-21 18:34:44,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:44" (1/1) ... [2023-11-21 18:34:44,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:44" (1/1) ... [2023-11-21 18:34:44,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:44" (1/1) ... [2023-11-21 18:34:44,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:44" (1/1) ... [2023-11-21 18:34:44,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:34:44,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:34:44,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:34:44,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:34:44,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:44" (1/1) ... [2023-11-21 18:34:44,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:44,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:34:44,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:34:44,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:34:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:34:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:34:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure g [2023-11-21 18:34:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2023-11-21 18:34:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:34:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:34:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:34:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:34:44,439 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:34:44,450 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:34:44,683 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:34:44,714 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:34:44,714 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:34:44,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:44 BoogieIcfgContainer [2023-11-21 18:34:44,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:34:44,718 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:34:44,718 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:34:44,728 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:34:44,728 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:44" (1/1) ... [2023-11-21 18:34:44,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:34:44,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:44,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2023-11-21 18:34:44,817 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2023-11-21 18:34:44,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:34:44,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:44,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:34:45,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:34:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:34:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:34:45,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:34:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:34:45,149 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:34:45,184 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-21 18:34:45,185 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated [2023-11-21 18:34:45,187 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated [2023-11-21 18:34:45,187 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-21 18:34:45,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:34:45 ImpRootNode [2023-11-21 18:34:45,192 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:34:45,198 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:34:45,198 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:34:45,198 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:34:45,199 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:44" (3/4) ... [2023-11-21 18:34:45,201 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:34:45,206 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated [2023-11-21 18:34:45,206 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-21 18:34:45,207 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated [2023-11-21 18:34:45,207 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-21 18:34:45,259 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:34:45,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:34:45,263 INFO L158 Benchmark]: Toolchain (without parser) took 1475.99ms. Allocated memory is still 205.5MB. Free memory was 170.1MB in the beginning and 135.9MB in the end (delta: 34.2MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2023-11-21 18:34:45,269 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory was 91.6MB in the beginning and 91.5MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:34:45,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.01ms. Allocated memory is still 205.5MB. Free memory was 169.9MB in the beginning and 170.1MB in the end (delta: -172.6kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:34:45,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.91ms. Allocated memory is still 205.5MB. Free memory was 170.1MB in the beginning and 168.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:34:45,272 INFO L158 Benchmark]: Boogie Preprocessor took 42.69ms. Allocated memory is still 205.5MB. Free memory was 168.1MB in the beginning and 167.4MB in the end (delta: 681.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:34:45,273 INFO L158 Benchmark]: RCFGBuilder took 502.51ms. Allocated memory is still 205.5MB. Free memory was 167.4MB in the beginning and 152.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:34:45,274 INFO L158 Benchmark]: CodeCheck took 475.85ms. Allocated memory is still 205.5MB. Free memory was 152.7MB in the beginning and 138.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:34:45,277 INFO L158 Benchmark]: Witness Printer took 62.24ms. Allocated memory is still 205.5MB. Free memory was 138.0MB in the beginning and 135.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:34:45,285 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 26 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 2 NumberOfCodeBlocks, 2 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: [L46] int *p1 = malloc(sizeof(int)); [L47] int *p2 = malloc(sizeof(int)); [L49] *p1 = __VERIFIER_nondet_int() [L50] *p2 = __VERIFIER_nondet_int() [L52] CALL f(p1,p2) [L13] EXPR \read(*p) [L13] EXPR \read(*q) VAL [p={-1:0}, p={-1:0}, q={-2:0}, q={-2:0}] [L13] *p + *q VAL [p={-1:0}, p={-1:0}, q={-2:0}, q={-2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory was 91.6MB in the beginning and 91.5MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.01ms. Allocated memory is still 205.5MB. Free memory was 169.9MB in the beginning and 170.1MB in the end (delta: -172.6kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.91ms. Allocated memory is still 205.5MB. Free memory was 170.1MB in the beginning and 168.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.69ms. Allocated memory is still 205.5MB. Free memory was 168.1MB in the beginning and 167.4MB in the end (delta: 681.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 502.51ms. Allocated memory is still 205.5MB. Free memory was 167.4MB in the beginning and 152.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 475.85ms. Allocated memory is still 205.5MB. Free memory was 152.7MB in the beginning and 138.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 62.24ms. Allocated memory is still 205.5MB. Free memory was 138.0MB in the beginning and 135.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 18:34:45,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dc4bd-50c1-4495-81bd-21e31c90a9f4/bin/ukojak-verify-i0I2FZA1j2/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)