./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_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_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/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_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/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_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/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 2cdaed2907f05652b8d80e7807a6570ff4fe9c756e25cc4c588f625603205857 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:45:39,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:45:39,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:45:39,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:45:39,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:45:39,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:45:39,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:45:39,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:45:39,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:45:39,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:45:39,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:45:39,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:45:39,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:45:39,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:45:39,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:45:39,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:45:39,767 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:45:39,767 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:45:39,768 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:45:39,768 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:45:39,769 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:45:39,770 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:45:39,770 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:45:39,771 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:45:39,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:45:39,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:39,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:45:39,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:45:39,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:45:39,774 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:45:39,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:45:39,775 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:45:39,776 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_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cdaed2907f05652b8d80e7807a6570ff4fe9c756e25cc4c588f625603205857 [2023-11-21 18:45:40,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:45:40,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:45:40,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:45:40,041 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:45:40,042 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:45:40,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_good.i [2023-11-21 18:45:43,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:45:43,715 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:45:43,716 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_good.i [2023-11-21 18:45:43,748 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/bin/ukojak-verify-i0I2FZA1j2/data/6fca7405c/e290b4d5f75a44e68cb5d32c96380409/FLAG4f724815e [2023-11-21 18:45:43,765 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/bin/ukojak-verify-i0I2FZA1j2/data/6fca7405c/e290b4d5f75a44e68cb5d32c96380409 [2023-11-21 18:45:43,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:45:43,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:45:43,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:43,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:45:43,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:45:43,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:43" (1/1) ... [2023-11-21 18:45:43,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336509e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:43, skipping insertion in model container [2023-11-21 18:45:43,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:43" (1/1) ... [2023-11-21 18:45:43,870 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:45:44,329 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:45:44,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:44,989 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:45:45,022 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:45:45,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:45,300 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:45,300 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:45,300 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:45,301 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:45,301 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:45,309 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:45:45,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:45 WrapperNode [2023-11-21 18:45:45,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:45,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:45,311 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:45:45,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:45:45,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:45" (1/1) ... [2023-11-21 18:45:45,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:45" (1/1) ... [2023-11-21 18:45:45,382 INFO L138 Inliner]: procedures = 501, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 142 [2023-11-21 18:45:45,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:45,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:45:45,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:45:45,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:45:45,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:45" (1/1) ... [2023-11-21 18:45:45,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:45" (1/1) ... [2023-11-21 18:45:45,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:45" (1/1) ... [2023-11-21 18:45:45,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:45" (1/1) ... [2023-11-21 18:45:45,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:45" (1/1) ... [2023-11-21 18:45:45,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:45" (1/1) ... [2023-11-21 18:45:45,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:45" (1/1) ... [2023-11-21 18:45:45,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:45" (1/1) ... [2023-11-21 18:45:45,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:45:45,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:45:45,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:45:45,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:45:45,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:45" (1/1) ... [2023-11-21 18:45:45,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:45,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:45:45,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:45:45,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:45:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:45:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:45:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:45:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:45:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:45:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:45:45,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:45:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:45:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:45:45,798 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:45:45,800 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:45:46,210 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:45:46,479 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:45:46,479 INFO L308 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-21 18:45:46,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:46 BoogieIcfgContainer [2023-11-21 18:45:46,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:45:46,485 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:45:46,485 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:45:46,495 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:45:46,496 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:46" (1/1) ... [2023-11-21 18:45:46,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:45:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:46,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2023-11-21 18:45:46,578 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2023-11-21 18:45:46,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:45:46,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:46,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:47,324 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 18:45:47,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:47,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2023-11-21 18:45:47,408 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-21 18:45:47,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:45:47,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:47,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:47,652 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 18:45:47,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:47,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2023-11-21 18:45:47,669 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-21 18:45:47,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:45:47,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:47,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:47,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:48,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2023-11-21 18:45:48,072 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-21 18:45:48,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:45:48,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:48,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:48,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:45:48,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:48,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2023-11-21 18:45:48,260 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2023-11-21 18:45:48,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:45:48,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:48,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:45:48,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:48,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2023-11-21 18:45:48,436 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-11-21 18:45:48,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:45:48,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:48,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:48,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:45:48,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:48,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 50 states and 62 transitions. [2023-11-21 18:45:48,567 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-11-21 18:45:48,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:45:48,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:48,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:48,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:45:48,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2023-11-21 18:45:48,697 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-11-21 18:45:48,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:45:48,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:48,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:48,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:45:48,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:48,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 50 states and 62 transitions. [2023-11-21 18:45:48,888 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-11-21 18:45:48,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:45:48,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:48,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:45:49,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:49,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 52 states and 65 transitions. [2023-11-21 18:45:49,113 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2023-11-21 18:45:49,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:45:49,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:49,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:49,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:49,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:49,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2023-11-21 18:45:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-11-21 18:45:49,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:45:49,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:49,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:49,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:45:49,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 55 states and 69 transitions. [2023-11-21 18:45:49,611 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2023-11-21 18:45:49,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:45:49,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:49,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:49,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:49,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:49,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2023-11-21 18:45:49,722 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2023-11-21 18:45:49,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:45:49,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:49,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:49,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:45:50,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 55 transitions. [2023-11-21 18:45:50,022 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-21 18:45:50,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:45:50,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:50,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:50,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:50,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:50,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 49 transitions. [2023-11-21 18:45:50,277 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2023-11-21 18:45:50,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:45:50,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:50,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:50,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:50,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 54 transitions. [2023-11-21 18:45:50,690 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2023-11-21 18:45:50,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:45:50,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:50,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:50,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:51,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:51,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 58 transitions. [2023-11-21 18:45:51,251 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2023-11-21 18:45:51,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:45:51,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:51,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:51,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:45:51,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:51,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 60 transitions. [2023-11-21 18:45:51,353 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-21 18:45:51,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:45:51,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:51,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:45:52,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:52,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 73 transitions. [2023-11-21 18:45:52,024 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2023-11-21 18:45:52,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:45:52,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:52,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:52,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:45:52,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 59 states and 76 transitions. [2023-11-21 18:45:52,125 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-21 18:45:52,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:45:52,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:52,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:52,183 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:45:52,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:52,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 65 states and 82 transitions. [2023-11-21 18:45:52,563 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2023-11-21 18:45:52,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:45:52,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:52,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:52,620 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:45:52,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:52,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 70 states and 87 transitions. [2023-11-21 18:45:52,988 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2023-11-21 18:45:52,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:45:52,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:52,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:53,214 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:45:53,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:53,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 40 states and 44 transitions. [2023-11-21 18:45:53,482 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2023-11-21 18:45:53,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:45:53,483 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2023-11-21 18:45:53,495 INFO L751 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2023-11-21 18:45:53,600 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-21 18:45:53,607 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:45:53,608 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:45:53,608 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-11-21 18:45:53,609 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:45:53,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:45:53 ImpRootNode [2023-11-21 18:45:53,612 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:45:53,612 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:45:53,612 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:45:53,613 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:45:53,613 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:46" (3/4) ... [2023-11-21 18:45:53,615 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:45:53,619 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:45:53,619 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:45:53,630 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2023-11-21 18:45:53,631 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-21 18:45:53,632 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:45:53,632 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:45:53,782 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:45:53,782 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:45:53,783 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:45:53,783 INFO L158 Benchmark]: Toolchain (without parser) took 10014.82ms. Allocated memory was 172.0MB in the beginning and 257.9MB in the end (delta: 86.0MB). Free memory was 138.1MB in the beginning and 148.4MB in the end (delta: -10.3MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2023-11-21 18:45:53,784 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:45:53,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1539.68ms. Allocated memory is still 172.0MB. Free memory was 138.1MB in the beginning and 131.3MB in the end (delta: 6.8MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2023-11-21 18:45:53,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.67ms. Allocated memory is still 172.0MB. Free memory was 131.3MB in the beginning and 127.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:45:53,787 INFO L158 Benchmark]: Boogie Preprocessor took 48.22ms. Allocated memory is still 172.0MB. Free memory was 127.8MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:45:53,787 INFO L158 Benchmark]: RCFGBuilder took 1050.58ms. Allocated memory is still 172.0MB. Free memory was 125.8MB in the beginning and 85.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-21 18:45:53,788 INFO L158 Benchmark]: CodeCheck took 7127.10ms. Allocated memory was 172.0MB in the beginning and 257.9MB in the end (delta: 86.0MB). Free memory was 85.9MB in the beginning and 154.7MB in the end (delta: -68.8MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-21 18:45:53,788 INFO L158 Benchmark]: Witness Printer took 170.59ms. Allocated memory is still 257.9MB. Free memory was 154.7MB in the beginning and 148.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:45:53,792 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, 48 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1507 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 635 mSDsluCounter, 721 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 232 mSDsCounter, 705 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2562 IncrementalHoareTripleChecker+Invalid, 3267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 705 mSolverCounterUnsat, 489 mSDtfsCounter, 2562 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3194 GetRequests, 3079 SyntacticMatches, 23 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2483 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 435 NumberOfCodeBlocks, 435 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 413 ConstructedInterpolants, 0 QuantifiedInterpolants, 769 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 18 PerfectInterpolantSequences, 61/65 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: 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: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: ((1 <= i) || (i == 0)) - InvariantResult [Line: 1601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: ((h == 0) || (((1 <= h) && ((data + 2) <= 0)) && (0 <= (data + 2)))) - InvariantResult [Line: 1582]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1539.68ms. Allocated memory is still 172.0MB. Free memory was 138.1MB in the beginning and 131.3MB in the end (delta: 6.8MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.67ms. Allocated memory is still 172.0MB. Free memory was 131.3MB in the beginning and 127.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.22ms. Allocated memory is still 172.0MB. Free memory was 127.8MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1050.58ms. Allocated memory is still 172.0MB. Free memory was 125.8MB in the beginning and 85.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 7127.10ms. Allocated memory was 172.0MB in the beginning and 257.9MB in the end (delta: 86.0MB). Free memory was 85.9MB in the beginning and 154.7MB in the end (delta: -68.8MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Witness Printer took 170.59ms. Allocated memory is still 257.9MB. Free memory was 154.7MB in the beginning and 148.4MB 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 18:45:53,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6b2a10-5e45-4d3e-ab3c-5614eeee2e5d/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