./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 04:01:58,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:01:58,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:01:58,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:01:58,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:01:58,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:01:58,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:01:58,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:01:58,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:01:58,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:01:58,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:01:58,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:01:58,318 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:01:58,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:01:58,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:01:58,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:01:58,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:01:58,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:01:58,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:01:58,322 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:01:58,322 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:01:58,323 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:01:58,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:01:58,324 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:01:58,324 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:01:58,324 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:01:58,325 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:01:58,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:01:58,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:01:58,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:01:58,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:01:58,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:01:58,327 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:01:58,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:01:58,328 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:01:58,328 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_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d477dcc38abb71f88978d460e8393ef9ba09f24c134f3de362c4df2a3599c9a [2023-12-03 04:01:58,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:01:58,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:01:58,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:01:58,578 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:01:58,578 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:01:58,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2023-12-03 04:02:01,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:02:01,563 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:02:01,563 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2023-12-03 04:02:01,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9/data/33928f40e/09d2205a262a4e02bb4fe6a7a38a0a5e/FLAG001b7094d [2023-12-03 04:02:01,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9/data/33928f40e/09d2205a262a4e02bb4fe6a7a38a0a5e [2023-12-03 04:02:01,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:02:01,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:02:01,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:02:01,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:02:01,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:02:01,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:02:01" (1/1) ... [2023-12-03 04:02:01,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ca761f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:01, skipping insertion in model container [2023-12-03 04:02:01,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:02:01" (1/1) ... [2023-12-03 04:02:01,646 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:02:01,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:02:01,934 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:02:01,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:02:02,002 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:02:02,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:02 WrapperNode [2023-12-03 04:02:02,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:02:02,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:02:02,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:02:02,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:02:02,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:02" (1/1) ... [2023-12-03 04:02:02,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:02" (1/1) ... [2023-12-03 04:02:02,048 INFO L138 Inliner]: procedures = 123, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 93 [2023-12-03 04:02:02,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:02:02,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:02:02,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:02:02,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:02:02,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:02" (1/1) ... [2023-12-03 04:02:02,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:02" (1/1) ... [2023-12-03 04:02:02,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:02" (1/1) ... [2023-12-03 04:02:02,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:02" (1/1) ... [2023-12-03 04:02:02,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:02" (1/1) ... [2023-12-03 04:02:02,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:02" (1/1) ... [2023-12-03 04:02:02,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:02" (1/1) ... [2023-12-03 04:02:02,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:02" (1/1) ... [2023-12-03 04:02:02,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:02:02,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:02:02,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:02:02,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:02:02,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:02" (1/1) ... [2023-12-03 04:02:02,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:02:02,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:02:02,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:02:02,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:02:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:02:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:02:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:02:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:02:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:02:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:02:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:02:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:02:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:02:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure append [2023-12-03 04:02:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2023-12-03 04:02:02,234 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:02:02,235 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:02:02,464 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:02:02,547 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:02:02,547 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-03 04:02:02,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:02:02 BoogieIcfgContainer [2023-12-03 04:02:02,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:02:02,550 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:02:02,550 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:02:02,560 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:02:02,560 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:02:02" (1/1) ... [2023-12-03 04:02:02,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:02:02,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:02,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-12-03 04:02:02,618 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-12-03 04:02:02,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:02:02,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:02,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:02,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:02:02,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:02,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2023-12-03 04:02:02,839 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-12-03 04:02:02,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:02:02,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:02,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:03,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:02:03,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:03,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2023-12-03 04:02:03,433 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-12-03 04:02:03,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:02:03,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:03,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:02:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:03,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2023-12-03 04:02:03,755 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-12-03 04:02:03,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:02:03,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:03,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:03,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:02:03,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:03,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-12-03 04:02:03,960 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-12-03 04:02:03,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:02:03,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:03,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:02:04,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:04,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2023-12-03 04:02:04,200 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-12-03 04:02:04,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:02:04,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:04,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:02:04,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:04,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2023-12-03 04:02:04,554 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2023-12-03 04:02:04,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:02:04,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:04,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:04,757 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 04:02:04,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:04,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 39 transitions. [2023-12-03 04:02:04,927 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-12-03 04:02:04,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:02:04,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:04,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 04:02:05,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:05,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 42 transitions. [2023-12-03 04:02:05,153 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2023-12-03 04:02:05,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:02:05,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:05,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:05,457 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:02:05,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:05,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 34 transitions. [2023-12-03 04:02:05,518 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-12-03 04:02:05,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:02:05,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:05,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 04:02:05,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:05,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 35 transitions. [2023-12-03 04:02:05,738 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-12-03 04:02:05,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:02:05,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:05,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:06,027 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 04:02:06,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:06,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 41 transitions. [2023-12-03 04:02:06,273 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-12-03 04:02:06,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 04:02:06,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:06,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:06,697 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:02:07,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:07,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 47 transitions. [2023-12-03 04:02:07,017 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-12-03 04:02:07,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 04:02:07,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:07,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:07,531 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 04:02:07,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:07,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 53 transitions. [2023-12-03 04:02:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2023-12-03 04:02:07,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 04:02:07,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:07,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-03 04:02:08,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:08,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 58 transitions. [2023-12-03 04:02:08,770 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2023-12-03 04:02:08,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:02:08,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:08,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-12-03 04:02:09,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:09,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 51 states and 61 transitions. [2023-12-03 04:02:09,354 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-12-03 04:02:09,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:02:09,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:09,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:09,727 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-12-03 04:02:09,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:09,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 50 states and 60 transitions. [2023-12-03 04:02:09,897 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-12-03 04:02:09,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:02:09,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:09,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:10,324 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-12-03 04:02:10,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:10,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 55 transitions. [2023-12-03 04:02:10,415 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-12-03 04:02:10,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:02:10,416 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2023-12-03 04:02:10,425 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-03 04:02:10,485 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:02:10,489 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-12-03 04:02:10,492 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:02:10,492 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:02:10,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:02:10 ImpRootNode [2023-12-03 04:02:10,492 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:02:10,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:02:10,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:02:10,493 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:02:10,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:02:02" (3/4) ... [2023-12-03 04:02:10,495 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:02:10,498 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append [2023-12-03 04:02:10,503 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-12-03 04:02:10,503 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-03 04:02:10,503 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 04:02:10,504 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:02:10,591 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:02:10,592 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:02:10,592 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:02:10,593 INFO L158 Benchmark]: Toolchain (without parser) took 8998.85ms. Allocated memory was 146.8MB in the beginning and 453.0MB in the end (delta: 306.2MB). Free memory was 99.6MB in the beginning and 364.9MB in the end (delta: -265.3MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2023-12-03 04:02:10,593 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 146.8MB. Free memory was 89.0MB in the beginning and 88.9MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:02:10,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.27ms. Allocated memory is still 146.8MB. Free memory was 99.6MB in the beginning and 82.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:02:10,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.89ms. Allocated memory is still 146.8MB. Free memory was 82.3MB in the beginning and 80.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:02:10,595 INFO L158 Benchmark]: Boogie Preprocessor took 32.49ms. Allocated memory is still 146.8MB. Free memory was 80.1MB in the beginning and 78.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:02:10,595 INFO L158 Benchmark]: RCFGBuilder took 466.81ms. Allocated memory was 146.8MB in the beginning and 230.7MB in the end (delta: 83.9MB). Free memory was 78.4MB in the beginning and 183.7MB in the end (delta: -105.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-12-03 04:02:10,595 INFO L158 Benchmark]: CodeCheck took 7942.27ms. Allocated memory was 230.7MB in the beginning and 453.0MB in the end (delta: 222.3MB). Free memory was 183.7MB in the beginning and 370.1MB in the end (delta: -186.4MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2023-12-03 04:02:10,596 INFO L158 Benchmark]: Witness Printer took 99.01ms. Allocated memory is still 453.0MB. Free memory was 370.1MB in the beginning and 364.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:02:10,597 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: 7.8s, 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, 8.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 272 mSDsluCounter, 384 SdHoareTripleChecker+Invalid, 7.9s 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, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.1s 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 0.21ms. Allocated memory is still 146.8MB. Free memory was 89.0MB in the beginning and 88.9MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.27ms. Allocated memory is still 146.8MB. Free memory was 99.6MB in the beginning and 82.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.89ms. Allocated memory is still 146.8MB. Free memory was 82.3MB in the beginning and 80.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.49ms. Allocated memory is still 146.8MB. Free memory was 80.1MB in the beginning and 78.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 466.81ms. Allocated memory was 146.8MB in the beginning and 230.7MB in the end (delta: 83.9MB). Free memory was 78.4MB in the beginning and 183.7MB in the end (delta: -105.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * CodeCheck took 7942.27ms. Allocated memory was 230.7MB in the beginning and 453.0MB in the end (delta: 222.3MB). Free memory was 183.7MB in the beginning and 370.1MB in the end (delta: -186.4MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Witness Printer took 99.01ms. Allocated memory is still 453.0MB. Free memory was 370.1MB in the beginning and 364.9MB 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! [2023-12-03 04:02:10,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38cc9c6-da77-4b09-8f3f-3ac0a14e6068/bin/ukojak-verify-Qdu7aM0XO9/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