./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.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_743fe353-138f-46f5-8cf7-4ccb347bfd78/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743fe353-138f-46f5-8cf7-4ccb347bfd78/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_743fe353-138f-46f5-8cf7-4ccb347bfd78/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743fe353-138f-46f5-8cf7-4ccb347bfd78/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743fe353-138f-46f5-8cf7-4ccb347bfd78/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_743fe353-138f-46f5-8cf7-4ccb347bfd78/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 042bf93dbb8c5bbe3967b75ad3452e25eaf29960f1f46ba7421ec842aefc346e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:38,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:38,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743fe353-138f-46f5-8cf7-4ccb347bfd78/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:49:38,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:49:38,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:49:38,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:38,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:38,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:38,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:38,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:38,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:38,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:38,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:49:38,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:38,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:38,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:38,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:38,950 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:49:38,951 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:49:38,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:38,952 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:38,956 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:38,957 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:38,957 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:38,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:38,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:38,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:38,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:38,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:38,960 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:49:38,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:49:38,962 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:38,962 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_743fe353-138f-46f5-8cf7-4ccb347bfd78/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743fe353-138f-46f5-8cf7-4ccb347bfd78/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 042bf93dbb8c5bbe3967b75ad3452e25eaf29960f1f46ba7421ec842aefc346e [2023-11-21 18:49:39,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:39,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:39,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:39,298 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:39,298 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:39,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743fe353-138f-46f5-8cf7-4ccb347bfd78/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i [2023-11-21 18:49:42,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:42,793 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:42,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743fe353-138f-46f5-8cf7-4ccb347bfd78/sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i [2023-11-21 18:49:42,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743fe353-138f-46f5-8cf7-4ccb347bfd78/bin/ukojak-verify-i0I2FZA1j2/data/4d6a4fd34/7f47078b5df4455985fb62771ba3ea15/FLAGb416c65fe [2023-11-21 18:49:42,820 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743fe353-138f-46f5-8cf7-4ccb347bfd78/bin/ukojak-verify-i0I2FZA1j2/data/4d6a4fd34/7f47078b5df4455985fb62771ba3ea15 [2023-11-21 18:49:42,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:42,825 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:42,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:42,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:42,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:42,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:42" (1/1) ... [2023-11-21 18:49:42,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d3efb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:42, skipping insertion in model container [2023-11-21 18:49:42,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:42" (1/1) ... [2023-11-21 18:49:42,873 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:43,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:43,183 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:43,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:43,301 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:43,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43 WrapperNode [2023-11-21 18:49:43,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:43,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:43,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:43,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:43,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,365 INFO L138 Inliner]: procedures = 152, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2023-11-21 18:49:43,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:43,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:43,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:43,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:43,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:43,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:43,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:43,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:43,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:43,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743fe353-138f-46f5-8cf7-4ccb347bfd78/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:43,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743fe353-138f-46f5-8cf7-4ccb347bfd78/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:43,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743fe353-138f-46f5-8cf7-4ccb347bfd78/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:49:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:49:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:49:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:49:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:43,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:43,679 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:43,681 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:43,900 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:43,937 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:49:43,938 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:49:43,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:43 BoogieIcfgContainer [2023-11-21 18:49:43,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:49:43,941 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:49:43,941 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:49:43,952 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:49:43,953 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:49:44,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:44,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:49:44,025 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:49:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:49:44,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:44,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:44,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:44,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:44,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-21 18:49:44,331 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-21 18:49:44,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:49:44,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:44,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:44,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:44,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-11-21 18:49:44,499 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-21 18:49:44,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:49:44,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:44,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:44,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:44,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-11-21 18:49:44,867 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-11-21 18:49:44,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:49:44,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:44,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:45,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:45,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:45,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2023-11-21 18:49:45,445 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-11-21 18:49:45,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:49:45,445 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-21 18:49:45,455 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-21 18:49:45,484 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:49:45,489 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:49:45,489 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:49:45,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:49:45 ImpRootNode [2023-11-21 18:49:45,490 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:49:45,491 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:49:45,491 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:49:45,491 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:49:45,500 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:43" (3/4) ... [2023-11-21 18:49:45,508 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:49:45,519 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-21 18:49:45,520 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:49:45,520 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 18:49:45,520 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:49:45,625 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743fe353-138f-46f5-8cf7-4ccb347bfd78/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:49:45,626 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743fe353-138f-46f5-8cf7-4ccb347bfd78/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:49:45,626 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:49:45,627 INFO L158 Benchmark]: Toolchain (without parser) took 2802.18ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 69.8MB in the beginning and 105.3MB in the end (delta: -35.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:49:45,627 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:49:45,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.77ms. Allocated memory is still 127.9MB. Free memory was 69.6MB in the beginning and 52.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:49:45,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.51ms. Allocated memory is still 127.9MB. Free memory was 51.8MB in the beginning and 49.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:49:45,629 INFO L158 Benchmark]: Boogie Preprocessor took 78.88ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 49.9MB in the beginning and 124.5MB in the end (delta: -74.6MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-21 18:49:45,630 INFO L158 Benchmark]: RCFGBuilder took 494.01ms. Allocated memory is still 155.2MB. Free memory was 124.5MB in the beginning and 111.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:49:45,631 INFO L158 Benchmark]: CodeCheck took 1549.29ms. Allocated memory is still 155.2MB. Free memory was 111.2MB in the beginning and 110.5MB in the end (delta: 783.0kB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-11-21 18:49:45,631 INFO L158 Benchmark]: Witness Printer took 135.49ms. Allocated memory is still 155.2MB. Free memory was 110.5MB in the beginning and 105.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:49:45,634 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 1 procedures, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 143 IncrementalHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 0 mSDtfsCounter, 143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - PositiveResult [Line: 384]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 384]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 385]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 385]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.77ms. Allocated memory is still 127.9MB. Free memory was 69.6MB in the beginning and 52.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.51ms. Allocated memory is still 127.9MB. Free memory was 51.8MB in the beginning and 49.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.88ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 49.9MB in the beginning and 124.5MB in the end (delta: -74.6MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * RCFGBuilder took 494.01ms. Allocated memory is still 155.2MB. Free memory was 124.5MB in the beginning and 111.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 1549.29ms. Allocated memory is still 155.2MB. Free memory was 111.2MB in the beginning and 110.5MB in the end (delta: 783.0kB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Witness Printer took 135.49ms. Allocated memory is still 155.2MB. Free memory was 110.5MB in the beginning and 105.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:49:45,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743fe353-138f-46f5-8cf7-4ccb347bfd78/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 Result: TRUE