./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0513_1.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_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/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_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0513_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/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_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/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 2cd9310cc22b48510db29915dc2047c5968d5424a204e513aea9283dac5ac7bf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:04:46,488 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:04:46,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:04:46,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:04:46,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:04:46,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:04:46,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:04:46,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:04:46,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:04:46,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:04:46,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:04:46,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:04:46,619 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:04:46,620 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:04:46,620 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:04:46,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:04:46,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:04:46,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:04:46,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:04:46,624 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:04:46,624 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:04:46,625 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:04:46,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:04:46,627 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:04:46,627 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:04:46,628 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:04:46,629 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:04:46,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:04:46,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:04:46,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:04:46,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:04:46,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:04:46,632 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:04:46,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:04:46,634 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:04:46,634 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_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cd9310cc22b48510db29915dc2047c5968d5424a204e513aea9283dac5ac7bf [2023-11-19 03:04:46,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:04:46,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:04:46,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:04:46,936 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:04:46,937 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:04:46,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/list-ext-properties/test-0513_1.i [2023-11-19 03:04:50,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:04:50,629 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:04:50,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/sv-benchmarks/c/list-ext-properties/test-0513_1.i [2023-11-19 03:04:50,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/bin/ukojak-verify-G8NBE6pJGL/data/14670e4fb/1d41d9d4c1b441d08d19ef11a26e5488/FLAG31fd9245c [2023-11-19 03:04:50,663 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/bin/ukojak-verify-G8NBE6pJGL/data/14670e4fb/1d41d9d4c1b441d08d19ef11a26e5488 [2023-11-19 03:04:50,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:04:50,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:04:50,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:04:50,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:04:50,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:04:50,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:04:50" (1/1) ... [2023-11-19 03:04:50,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f33a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:50, skipping insertion in model container [2023-11-19 03:04:50,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:04:50" (1/1) ... [2023-11-19 03:04:50,735 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:04:51,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:04:51,079 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:04:51,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:04:51,217 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:04:51,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:51 WrapperNode [2023-11-19 03:04:51,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:04:51,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:04:51,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:04:51,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:04:51,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:51" (1/1) ... [2023-11-19 03:04:51,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:51" (1/1) ... [2023-11-19 03:04:51,313 INFO L138 Inliner]: procedures = 123, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 148 [2023-11-19 03:04:51,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:04:51,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:04:51,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:04:51,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:04:51,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:51" (1/1) ... [2023-11-19 03:04:51,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:51" (1/1) ... [2023-11-19 03:04:51,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:51" (1/1) ... [2023-11-19 03:04:51,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:51" (1/1) ... [2023-11-19 03:04:51,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:51" (1/1) ... [2023-11-19 03:04:51,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:51" (1/1) ... [2023-11-19 03:04:51,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:51" (1/1) ... [2023-11-19 03:04:51,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:51" (1/1) ... [2023-11-19 03:04:51,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:04:51,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:04:51,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:04:51,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:04:51,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:51" (1/1) ... [2023-11-19 03:04:51,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:04:51,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:04:51,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:04:51,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:04:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:04:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:04:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:04:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:04:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:04:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:04:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:04:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:04:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:04:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:04:51,633 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:04:51,636 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:04:51,994 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:04:52,147 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:04:52,147 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:04:52,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:52 BoogieIcfgContainer [2023-11-19 03:04:52,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:04:52,154 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:04:52,154 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:04:52,166 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:04:52,166 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:52" (1/1) ... [2023-11-19 03:04:52,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:04:52,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:52,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2023-11-19 03:04:52,238 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2023-11-19 03:04:52,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:04:52,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:52,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:52,501 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 03:04:52,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:52,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2023-11-19 03:04:52,570 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2023-11-19 03:04:52,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:04:52,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:52,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:52,647 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 03:04:52,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:52,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2023-11-19 03:04:52,669 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2023-11-19 03:04:52,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:04:52,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:52,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:52,813 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 03:04:52,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:52,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2023-11-19 03:04:52,854 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-19 03:04:52,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:04:52,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:52,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:52,928 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 03:04:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2023-11-19 03:04:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-19 03:04:52,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:04:52,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:52,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:53,125 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 03:04:53,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:53,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2023-11-19 03:04:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-19 03:04:53,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:04:53,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:53,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:53,411 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 03:04:53,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:53,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2023-11-19 03:04:53,461 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-11-19 03:04:53,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:04:53,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:53,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:53,557 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 03:04:53,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:53,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2023-11-19 03:04:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2023-11-19 03:04:53,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:04:53,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:53,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:53,690 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 03:04:53,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:53,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2023-11-19 03:04:53,765 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2023-11-19 03:04:53,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:04:53,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:53,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:53,834 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 03:04:53,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:53,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2023-11-19 03:04:53,873 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2023-11-19 03:04:53,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:04:53,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:53,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:54,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:54,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:54,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2023-11-19 03:04:54,236 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2023-11-19 03:04:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:04:54,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:54,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:54,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:54,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:54,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 47 states and 58 transitions. [2023-11-19 03:04:54,645 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2023-11-19 03:04:54,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:04:54,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:54,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:54,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:04:55,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:55,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 46 states and 57 transitions. [2023-11-19 03:04:55,063 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-11-19 03:04:55,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:04:55,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:55,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:04:55,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:55,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2023-11-19 03:04:55,276 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-11-19 03:04:55,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:04:55,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:55,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:56,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:56,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2023-11-19 03:04:56,097 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2023-11-19 03:04:56,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:04:56,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:56,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:56,212 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:04:56,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2023-11-19 03:04:56,235 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2023-11-19 03:04:56,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:04:56,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:56,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:56,475 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:04:56,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:56,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2023-11-19 03:04:56,665 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-11-19 03:04:56,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:04:56,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:56,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:56,805 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:04:57,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:57,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2023-11-19 03:04:57,045 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-11-19 03:04:57,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:04:57,046 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2023-11-19 03:04:57,055 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 03:04:57,223 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:04:57,228 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:04:57,231 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:04:57,231 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:04:57,231 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:04:57,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:04:57 ImpRootNode [2023-11-19 03:04:57,232 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:04:57,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:04:57,233 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:04:57,233 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:04:57,234 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:52" (3/4) ... [2023-11-19 03:04:57,236 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:04:57,247 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 03:04:57,248 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 03:04:57,249 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:04:57,250 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:04:57,384 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:04:57,385 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:04:57,385 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:04:57,386 INFO L158 Benchmark]: Toolchain (without parser) took 6718.41ms. Allocated memory is still 218.1MB. Free memory was 182.1MB in the beginning and 73.6MB in the end (delta: 108.4MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB. [2023-11-19 03:04:57,386 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:04:57,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.44ms. Allocated memory is still 218.1MB. Free memory was 182.1MB in the beginning and 164.4MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:04:57,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.37ms. Allocated memory is still 218.1MB. Free memory was 164.4MB in the beginning and 162.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:04:57,388 INFO L158 Benchmark]: Boogie Preprocessor took 88.25ms. Allocated memory is still 218.1MB. Free memory was 162.3MB in the beginning and 160.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:04:57,389 INFO L158 Benchmark]: RCFGBuilder took 749.25ms. Allocated memory is still 218.1MB. Free memory was 160.2MB in the beginning and 130.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:04:57,389 INFO L158 Benchmark]: CodeCheck took 5078.17ms. Allocated memory is still 218.1MB. Free memory was 130.9MB in the beginning and 79.9MB in the end (delta: 50.9MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2023-11-19 03:04:57,390 INFO L158 Benchmark]: Witness Printer took 152.55ms. Allocated memory is still 218.1MB. Free memory was 79.9MB in the beginning and 73.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:04:57,392 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, 30 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 891 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 676 mSDsluCounter, 124 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 404 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1926 IncrementalHoareTripleChecker+Invalid, 2330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 404 mSolverCounterUnsat, 124 mSDtfsCounter, 1926 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1692 GetRequests, 1577 SyntacticMatches, 45 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2482 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 239 ConstructedInterpolants, 0 QuantifiedInterpolants, 472 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 16 PerfectInterpolantSequences, 70/74 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: 538]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 538]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 546]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 546]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: ((c1 == 0) || (1 <= c1)) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.44ms. Allocated memory is still 218.1MB. Free memory was 182.1MB in the beginning and 164.4MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.37ms. Allocated memory is still 218.1MB. Free memory was 164.4MB in the beginning and 162.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.25ms. Allocated memory is still 218.1MB. Free memory was 162.3MB in the beginning and 160.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 749.25ms. Allocated memory is still 218.1MB. Free memory was 160.2MB in the beginning and 130.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 5078.17ms. Allocated memory is still 218.1MB. Free memory was 130.9MB in the beginning and 79.9MB in the end (delta: 50.9MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Witness Printer took 152.55ms. Allocated memory is still 218.1MB. Free memory was 79.9MB in the beginning and 73.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:04:57,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bb1cf5-cc64-4bc6-826d-f5c5d5f7d026/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE