./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL --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 32bit --witnessprinter.graph.data.programhash 8d477dcc38abb71f88978d460e8393ef9ba09f24c134f3de362c4df2a3599c9a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:39,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:39,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:53:39,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:39,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:39,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:39,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:39,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:39,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:39,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:39,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:39,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:39,336 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:39,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:39,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:39,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:39,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:39,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:39,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:39,340 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:53:39,341 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:53:39,342 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:39,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:39,343 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:39,343 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:39,344 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:39,344 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:39,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:39,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:39,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:39,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:39,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:39,347 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:39,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:39,348 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:39,348 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_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d477dcc38abb71f88978d460e8393ef9ba09f24c134f3de362c4df2a3599c9a [2023-11-19 02:53:39,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:39,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:39,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:39,683 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:39,684 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:39,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2023-11-19 02:53:42,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:43,143 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:43,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2023-11-19 02:53:43,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL/data/acf1f7ebd/fc3630b62d734e01822d3ada93eb235d/FLAG51bb69ad0 [2023-11-19 02:53:43,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL/data/acf1f7ebd/fc3630b62d734e01822d3ada93eb235d [2023-11-19 02:53:43,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:43,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:43,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:43,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:43,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:43,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:43" (1/1) ... [2023-11-19 02:53:43,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31923949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:43, skipping insertion in model container [2023-11-19 02:53:43,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:43" (1/1) ... [2023-11-19 02:53:43,311 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:43,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:43,643 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:43,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:43,744 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:43,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:43 WrapperNode [2023-11-19 02:53:43,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:43,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:43,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:43,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:43,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:43" (1/1) ... [2023-11-19 02:53:43,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:43" (1/1) ... [2023-11-19 02:53:43,810 INFO L138 Inliner]: procedures = 123, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 93 [2023-11-19 02:53:43,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:43,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:43,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:43,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:43,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:43" (1/1) ... [2023-11-19 02:53:43,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:43" (1/1) ... [2023-11-19 02:53:43,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:43" (1/1) ... [2023-11-19 02:53:43,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:43" (1/1) ... [2023-11-19 02:53:43,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:43" (1/1) ... [2023-11-19 02:53:43,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:43" (1/1) ... [2023-11-19 02:53:43,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:43" (1/1) ... [2023-11-19 02:53:43,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:43" (1/1) ... [2023-11-19 02:53:43,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:43,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:43,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:43,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:43,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:43" (1/1) ... [2023-11-19 02:53:43,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:43,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:43,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:43,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:53:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:53:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:53:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:53:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:53:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:53:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure append [2023-11-19 02:53:43,959 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2023-11-19 02:53:44,102 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:44,104 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:44,463 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:44,590 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:44,590 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 02:53:44,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:44 BoogieIcfgContainer [2023-11-19 02:53:44,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:44,597 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:44,597 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:44,608 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:44,608 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:44" (1/1) ... [2023-11-19 02:53:44,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:53:44,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:44,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-19 02:53:44,689 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-19 02:53:44,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:53:44,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:44,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:45,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2023-11-19 02:53:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-19 02:53:45,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:53:45,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:45,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:45,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:45,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:45,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2023-11-19 02:53:45,464 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-11-19 02:53:45,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:53:45,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:45,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:45,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:53:45,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:45,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2023-11-19 02:53:45,932 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-11-19 02:53:45,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:53:45,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:45,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:46,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:53:46,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:46,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-19 02:53:46,177 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-19 02:53:46,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:53:46,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:46,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:46,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:53:46,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:46,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2023-11-19 02:53:46,532 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-11-19 02:53:46,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:53:46,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:46,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:46,911 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:53:47,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:47,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2023-11-19 02:53:47,091 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2023-11-19 02:53:47,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:53:47,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:47,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:47,334 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:53:47,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:47,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 39 transitions. [2023-11-19 02:53:47,517 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-11-19 02:53:47,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:53:47,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:47,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:47,786 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 02:53:47,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:47,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 42 transitions. [2023-11-19 02:53:47,851 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2023-11-19 02:53:47,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:53:47,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:47,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:48,294 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:53:48,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:48,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 34 transitions. [2023-11-19 02:53:48,363 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-11-19 02:53:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:53:48,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:48,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:48,608 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 02:53:48,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:48,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 35 transitions. [2023-11-19 02:53:48,627 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-19 02:53:48,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:53:48,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:48,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:49,012 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:53:49,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:49,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 41 transitions. [2023-11-19 02:53:49,290 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-19 02:53:49,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:53:49,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:49,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:49,763 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:53:50,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:50,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 47 transitions. [2023-11-19 02:53:50,125 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-19 02:53:50,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:53:50,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:50,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:50,717 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 02:53:51,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:51,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 53 transitions. [2023-11-19 02:53:51,134 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2023-11-19 02:53:51,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:53:51,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:51,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:51,829 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 02:53:52,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:52,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 58 transitions. [2023-11-19 02:53:52,164 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2023-11-19 02:53:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:53:52,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:52,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:52,710 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-19 02:53:52,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:52,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 51 states and 61 transitions. [2023-11-19 02:53:52,849 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-19 02:53:52,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:53:52,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:52,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:53,320 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-19 02:53:53,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:53,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 50 states and 60 transitions. [2023-11-19 02:53:53,541 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-19 02:53:53,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:53:53,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:53,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:54,125 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-19 02:53:54,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:54,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 55 transitions. [2023-11-19 02:53:54,226 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-19 02:53:54,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:53:54,228 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2023-11-19 02:53:54,241 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 02:53:54,307 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:53:54,312 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 02:53:54,316 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:53:54,321 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:53:54,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:53:54 ImpRootNode [2023-11-19 02:53:54,323 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:53:54,324 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:53:54,324 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:53:54,324 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:53:54,325 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:44" (3/4) ... [2023-11-19 02:53:54,329 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:53:54,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append [2023-11-19 02:53:54,339 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 02:53:54,339 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 02:53:54,340 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 02:53:54,340 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:53:54,470 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:53:54,471 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:53:54,471 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:53:54,472 INFO L158 Benchmark]: Toolchain (without parser) took 11280.79ms. Allocated memory was 146.8MB in the beginning and 352.3MB in the end (delta: 205.5MB). Free memory was 111.4MB in the beginning and 238.6MB in the end (delta: -127.2MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2023-11-19 02:53:54,472 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:54,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.50ms. Allocated memory is still 146.8MB. Free memory was 111.4MB in the beginning and 103.4MB in the end (delta: 8.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-11-19 02:53:54,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.59ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 101.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:54,473 INFO L158 Benchmark]: Boogie Preprocessor took 61.91ms. Allocated memory is still 146.8MB. Free memory was 101.5MB in the beginning and 99.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:54,474 INFO L158 Benchmark]: RCFGBuilder took 721.35ms. Allocated memory is still 146.8MB. Free memory was 99.8MB in the beginning and 73.5MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 02:53:54,475 INFO L158 Benchmark]: CodeCheck took 9726.41ms. Allocated memory was 146.8MB in the beginning and 352.3MB in the end (delta: 205.5MB). Free memory was 73.5MB in the beginning and 243.8MB in the end (delta: -170.3MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2023-11-19 02:53:54,475 INFO L158 Benchmark]: Witness Printer took 147.72ms. Allocated memory is still 352.3MB. Free memory was 243.8MB in the beginning and 238.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:53:54,477 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, 22 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 948 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 272 mSDsluCounter, 384 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 598 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1719 IncrementalHoareTripleChecker+Invalid, 2317 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 598 mSolverCounterUnsat, 384 mSDtfsCounter, 1719 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3204 GetRequests, 3054 SyntacticMatches, 64 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3771 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 524 NumberOfCodeBlocks, 524 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 507 ConstructedInterpolants, 0 QuantifiedInterpolants, 781 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 515/650 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: 578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 591]: 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: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: ((c == 0) || (1 <= c)) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.50ms. Allocated memory is still 146.8MB. Free memory was 111.4MB in the beginning and 103.4MB in the end (delta: 8.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.59ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 101.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.91ms. Allocated memory is still 146.8MB. Free memory was 101.5MB in the beginning and 99.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 721.35ms. Allocated memory is still 146.8MB. Free memory was 99.8MB in the beginning and 73.5MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 9726.41ms. Allocated memory was 146.8MB in the beginning and 352.3MB in the end (delta: 205.5MB). Free memory was 73.5MB in the beginning and 243.8MB in the end (delta: -170.3MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * Witness Printer took 147.72ms. Allocated memory is still 352.3MB. Free memory was 243.8MB in the beginning and 238.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:53:54,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584c56c0-54b7-4ce4-ba80-28d6e6e3483c/bin/ukojak-verify-G8NBE6pJGL/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