./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 63d480c31f0314c91e26876c4dd218e9e8d00d29117335b96bc72242afef9a48 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:21,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:21,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:41:21,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:41:21,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:41:21,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:21,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:21,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:21,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:21,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:21,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:21,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:21,425 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:41:21,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:21,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:21,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:21,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:21,429 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:21,430 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:21,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:21,432 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:21,433 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:21,434 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:21,434 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:21,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:21,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:21,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:21,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:21,438 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:21,439 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:41:21,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:41:21,440 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:21,441 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_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63d480c31f0314c91e26876c4dd218e9e8d00d29117335b96bc72242afef9a48 [2023-11-21 18:41:21,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:21,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:21,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:21,803 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:21,804 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:21,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_08_good.i [2023-11-21 18:41:25,247 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:25,743 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:25,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_08_good.i [2023-11-21 18:41:25,779 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2/data/92b854bd3/3591adf5ead549bab1f6ed45b04264ef/FLAG7b49dbb56 [2023-11-21 18:41:25,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2/data/92b854bd3/3591adf5ead549bab1f6ed45b04264ef [2023-11-21 18:41:25,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:25,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:25,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:25,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:25,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:25,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4794a5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:25, skipping insertion in model container [2023-11-21 18:41:25,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,905 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:26,285 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:41:26,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:26,904 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:26,927 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:41:27,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:27,211 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:27,212 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:27,212 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:27,212 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:27,212 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:27,221 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:27,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:27 WrapperNode [2023-11-21 18:41:27,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:27,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:27,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:27,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:27,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:27" (1/1) ... [2023-11-21 18:41:27,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:27" (1/1) ... [2023-11-21 18:41:27,328 INFO L138 Inliner]: procedures = 505, calls = 79, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2023-11-21 18:41:27,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:27,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:27,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:27,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:27,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:27" (1/1) ... [2023-11-21 18:41:27,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:27" (1/1) ... [2023-11-21 18:41:27,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:27" (1/1) ... [2023-11-21 18:41:27,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:27" (1/1) ... [2023-11-21 18:41:27,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:27" (1/1) ... [2023-11-21 18:41:27,380 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:27" (1/1) ... [2023-11-21 18:41:27,382 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:27" (1/1) ... [2023-11-21 18:41:27,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:27" (1/1) ... [2023-11-21 18:41:27,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:27,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:27,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:27,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:27,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:27" (1/1) ... [2023-11-21 18:41:27,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:27,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:27,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:27,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:41:27,472 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:41:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:41:27,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:41:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:27,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-21 18:41:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-21 18:41:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2023-11-21 18:41:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2023-11-21 18:41:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:41:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:41:27,683 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:27,685 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:28,009 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:28,081 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:28,081 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:41:28,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:28 BoogieIcfgContainer [2023-11-21 18:41:28,083 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:28,084 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:28,084 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:28,096 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:28,096 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:28" (1/1) ... [2023-11-21 18:41:28,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:41:28,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:28,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 89 transitions. [2023-11-21 18:41:28,172 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2023-11-21 18:41:28,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:41:28,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:28,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:28,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:28,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:28,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 63 states and 81 transitions. [2023-11-21 18:41:28,883 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2023-11-21 18:41:28,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:41:28,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:28,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:41:29,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:29,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 62 states and 78 transitions. [2023-11-21 18:41:29,231 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2023-11-21 18:41:29,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:41:29,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:29,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:29,448 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:41:29,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:29,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 56 states and 70 transitions. [2023-11-21 18:41:29,579 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2023-11-21 18:41:29,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:41:29,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:29,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:29,806 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:41:30,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:30,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 56 states and 69 transitions. [2023-11-21 18:41:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2023-11-21 18:41:30,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:41:30,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:30,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:30,181 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:41:30,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:30,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 60 states and 76 transitions. [2023-11-21 18:41:30,250 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-11-21 18:41:30,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:41:30,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:30,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:30,389 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:41:30,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:30,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 77 transitions. [2023-11-21 18:41:30,412 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2023-11-21 18:41:30,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:41:30,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:30,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-21 18:41:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:30,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 64 transitions. [2023-11-21 18:41:30,602 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2023-11-21 18:41:30,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:41:30,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:30,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-21 18:41:30,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:31,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 53 states and 63 transitions. [2023-11-21 18:41:31,003 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2023-11-21 18:41:31,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:41:31,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:31,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:31,291 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-21 18:41:31,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:31,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 52 states and 62 transitions. [2023-11-21 18:41:31,436 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-11-21 18:41:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:41:31,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:31,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:31,605 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-21 18:41:31,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:31,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 51 states and 61 transitions. [2023-11-21 18:41:31,631 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-21 18:41:31,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:41:31,634 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2023-11-21 18:41:31,648 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-21 18:41:31,794 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:41:31,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:41:31 ImpRootNode [2023-11-21 18:41:31,801 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:41:31,801 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:41:31,801 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:41:31,802 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:41:31,802 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:28" (3/4) ... [2023-11-21 18:41:31,805 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:41:31,809 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:41:31,809 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2023-11-21 18:41:31,809 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:41:31,810 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2023-11-21 18:41:31,817 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-21 18:41:31,818 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 18:41:31,819 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:41:31,819 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:41:31,958 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:41:31,959 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:41:31,959 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:41:31,960 INFO L158 Benchmark]: Toolchain (without parser) took 6149.29ms. Allocated memory was 125.8MB in the beginning and 195.0MB in the end (delta: 69.2MB). Free memory was 76.9MB in the beginning and 95.4MB in the end (delta: -18.5MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2023-11-21 18:41:31,961 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 125.8MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:31,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1407.31ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 76.5MB in the beginning and 92.2MB in the end (delta: -15.7MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2023-11-21 18:41:31,962 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.01ms. Allocated memory is still 161.5MB. Free memory was 92.2MB in the beginning and 89.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:31,962 INFO L158 Benchmark]: Boogie Preprocessor took 63.89ms. Allocated memory is still 161.5MB. Free memory was 89.1MB in the beginning and 87.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:31,963 INFO L158 Benchmark]: RCFGBuilder took 689.48ms. Allocated memory is still 161.5MB. Free memory was 87.0MB in the beginning and 68.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:41:31,963 INFO L158 Benchmark]: CodeCheck took 3716.53ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 68.1MB in the beginning and 101.7MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:31,964 INFO L158 Benchmark]: Witness Printer took 158.25ms. Allocated memory is still 195.0MB. Free memory was 101.7MB in the beginning and 95.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:41:31,968 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 5 procedures, 69 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1364 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 162 mSDsluCounter, 974 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 116 mSDsCounter, 217 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 623 IncrementalHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 217 mSolverCounterUnsat, 858 mSDtfsCounter, 623 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2871 GetRequests, 2833 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 508 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 206/212 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: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: 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: 1654]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 125.8MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1407.31ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 76.5MB in the beginning and 92.2MB in the end (delta: -15.7MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.01ms. Allocated memory is still 161.5MB. Free memory was 92.2MB in the beginning and 89.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.89ms. Allocated memory is still 161.5MB. Free memory was 89.1MB in the beginning and 87.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 689.48ms. Allocated memory is still 161.5MB. Free memory was 87.0MB in the beginning and 68.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 3716.53ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 68.1MB in the beginning and 101.7MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 158.25ms. Allocated memory is still 195.0MB. Free memory was 101.7MB in the beginning and 95.4MB 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! [2023-11-21 18:41:32,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870a465-b5c0-47a7-89d1-49b0b18cf940/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE