./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_32_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_8506b751-3bc1-4b63-9317-19d73116d7a4/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8506b751-3bc1-4b63-9317-19d73116d7a4/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_8506b751-3bc1-4b63-9317-19d73116d7a4/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8506b751-3bc1-4b63-9317-19d73116d7a4/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_32_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8506b751-3bc1-4b63-9317-19d73116d7a4/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_8506b751-3bc1-4b63-9317-19d73116d7a4/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 87862f06fd67cfdadd88969b40d38e36c74cc74f907a1f7716d36cd1e4c1b1ba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:30:32,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:30:32,565 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8506b751-3bc1-4b63-9317-19d73116d7a4/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:30:32,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:30:32,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:30:32,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:30:32,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:30:32,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:30:32,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:30:32,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:30:32,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:30:32,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:30:32,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:30:32,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:30:32,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:30:32,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:30:32,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:30:32,610 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:30:32,610 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:30:32,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:30:32,612 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:30:32,613 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:30:32,613 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:30:32,614 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:30:32,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:30:32,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:32,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:30:32,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:30:32,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:30:32,618 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:30:32,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:30:32,619 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:30:32,619 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_8506b751-3bc1-4b63-9317-19d73116d7a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8506b751-3bc1-4b63-9317-19d73116d7a4/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87862f06fd67cfdadd88969b40d38e36c74cc74f907a1f7716d36cd1e4c1b1ba [2023-11-21 18:30:32,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:30:32,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:30:32,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:30:32,992 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:30:32,992 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:30:32,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8506b751-3bc1-4b63-9317-19d73116d7a4/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_32_good.i [2023-11-21 18:30:36,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:30:36,671 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:30:36,672 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8506b751-3bc1-4b63-9317-19d73116d7a4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_32_good.i [2023-11-21 18:30:36,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8506b751-3bc1-4b63-9317-19d73116d7a4/bin/ukojak-verify-i0I2FZA1j2/data/be9cad3b1/dae513b8eeea4394bc18dd1f864a5449/FLAG57078f6c2 [2023-11-21 18:30:36,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8506b751-3bc1-4b63-9317-19d73116d7a4/bin/ukojak-verify-i0I2FZA1j2/data/be9cad3b1/dae513b8eeea4394bc18dd1f864a5449 [2023-11-21 18:30:36,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:30:36,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:30:36,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:36,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:30:36,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:30:36,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:36" (1/1) ... [2023-11-21 18:30:36,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ce8ecc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:36, skipping insertion in model container [2023-11-21 18:30:36,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:36" (1/1) ... [2023-11-21 18:30:36,901 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:30:37,361 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:30:38,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:38,060 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:30:38,082 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:30:38,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:38,346 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:38,346 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:38,347 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:38,347 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:38,347 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:38,356 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:30:38,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:38 WrapperNode [2023-11-21 18:30:38,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:38,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:38,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:30:38,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:30:38,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:38" (1/1) ... [2023-11-21 18:30:38,414 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:38" (1/1) ... [2023-11-21 18:30:38,448 INFO L138 Inliner]: procedures = 501, calls = 78, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 83 [2023-11-21 18:30:38,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:38,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:30:38,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:30:38,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:30:38,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:38" (1/1) ... [2023-11-21 18:30:38,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:38" (1/1) ... [2023-11-21 18:30:38,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:38" (1/1) ... [2023-11-21 18:30:38,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:38" (1/1) ... [2023-11-21 18:30:38,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:38" (1/1) ... [2023-11-21 18:30:38,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:38" (1/1) ... [2023-11-21 18:30:38,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:38" (1/1) ... [2023-11-21 18:30:38,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:38" (1/1) ... [2023-11-21 18:30:38,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:30:38,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:30:38,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:30:38,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:30:38,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:38" (1/1) ... [2023-11-21 18:30:38,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:38,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8506b751-3bc1-4b63-9317-19d73116d7a4/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:30:38,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8506b751-3bc1-4b63-9317-19d73116d7a4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:30:38,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8506b751-3bc1-4b63-9317-19d73116d7a4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:30:38,586 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:30:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:30:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:30:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:30:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:30:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:30:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:30:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:30:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:30:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:30:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:30:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:30:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:30:38,826 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:30:38,828 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:30:39,073 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:30:39,137 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:30:39,138 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:30:39,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:39 BoogieIcfgContainer [2023-11-21 18:30:39,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:30:39,144 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:30:39,144 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:30:39,153 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:30:39,153 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:39" (1/1) ... [2023-11-21 18:30:39,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:30:39,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:39,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-21 18:30:39,243 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-21 18:30:39,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:30:39,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:39,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:39,710 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 18:30:39,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:39,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2023-11-21 18:30:39,768 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-21 18:30:39,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:30:39,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:39,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:40,056 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 18:30:40,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:40,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-21 18:30:40,120 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-21 18:30:40,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:30:40,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:40,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:40,214 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 18:30:40,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-21 18:30:40,260 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-21 18:30:40,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:30:40,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:40,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:40,361 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 18:30:40,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-11-21 18:30:40,449 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-21 18:30:40,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:30:40,451 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-21 18:30:40,465 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-21 18:30:40,497 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:30:40,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:30:40 ImpRootNode [2023-11-21 18:30:40,503 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:30:40,504 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:30:40,504 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:30:40,504 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:30:40,505 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:39" (3/4) ... [2023-11-21 18:30:40,507 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:30:40,511 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:30:40,511 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:30:40,519 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-21 18:30:40,520 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-21 18:30:40,521 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:30:40,521 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:30:40,648 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8506b751-3bc1-4b63-9317-19d73116d7a4/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:30:40,649 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8506b751-3bc1-4b63-9317-19d73116d7a4/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:30:40,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:30:40,650 INFO L158 Benchmark]: Toolchain (without parser) took 3910.94ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 67.5MB in the beginning and 51.7MB in the end (delta: 15.9MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2023-11-21 18:30:40,651 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:30:40,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1618.35ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 67.2MB in the beginning and 87.5MB in the end (delta: -20.2MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-11-21 18:30:40,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.74ms. Allocated memory is still 174.1MB. Free memory was 87.5MB in the beginning and 84.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:30:40,653 INFO L158 Benchmark]: Boogie Preprocessor took 42.02ms. Allocated memory is still 174.1MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:30:40,653 INFO L158 Benchmark]: RCFGBuilder took 648.57ms. Allocated memory is still 174.1MB. Free memory was 82.4MB in the beginning and 129.3MB in the end (delta: -46.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:30:40,654 INFO L158 Benchmark]: CodeCheck took 1359.49ms. Allocated memory is still 174.1MB. Free memory was 129.3MB in the beginning and 56.9MB in the end (delta: 72.4MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2023-11-21 18:30:40,654 INFO L158 Benchmark]: Witness Printer took 145.82ms. Allocated memory is still 174.1MB. Free memory was 56.9MB in the beginning and 51.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:30:40,657 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 3 procedures, 28 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 50 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: 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: 1605]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1618.35ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 67.2MB in the beginning and 87.5MB in the end (delta: -20.2MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.74ms. Allocated memory is still 174.1MB. Free memory was 87.5MB in the beginning and 84.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.02ms. Allocated memory is still 174.1MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 648.57ms. Allocated memory is still 174.1MB. Free memory was 82.4MB in the beginning and 129.3MB in the end (delta: -46.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1359.49ms. Allocated memory is still 174.1MB. Free memory was 129.3MB in the beginning and 56.9MB in the end (delta: 72.4MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Witness Printer took 145.82ms. Allocated memory is still 174.1MB. Free memory was 56.9MB in the beginning and 51.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:30:40,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8506b751-3bc1-4b63-9317-19d73116d7a4/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