./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_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_3bd6677a-0e8c-4193-8627-e913d2d908f5/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd6677a-0e8c-4193-8627-e913d2d908f5/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_3bd6677a-0e8c-4193-8627-e913d2d908f5/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd6677a-0e8c-4193-8627-e913d2d908f5/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd6677a-0e8c-4193-8627-e913d2d908f5/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_3bd6677a-0e8c-4193-8627-e913d2d908f5/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 7769e2cb1241ce193327f3081ef594a62cf8a609eb0db6e89ed527de779b57ea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:45:19,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:45:19,576 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd6677a-0e8c-4193-8627-e913d2d908f5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:45:19,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:45:19,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:45:19,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:45:19,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:45:19,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:45:19,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:45:19,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:45:19,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:45:19,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:45:19,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:45:19,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:45:19,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:45:19,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:45:19,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:45:19,614 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:45:19,615 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:45:19,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:45:19,616 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:45:19,617 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:45:19,617 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:45:19,618 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:45:19,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:45:19,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:19,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:45:19,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:45:19,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:45:19,621 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:45:19,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:45:19,622 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:45:19,622 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_3bd6677a-0e8c-4193-8627-e913d2d908f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd6677a-0e8c-4193-8627-e913d2d908f5/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7769e2cb1241ce193327f3081ef594a62cf8a609eb0db6e89ed527de779b57ea [2023-11-21 18:45:19,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:45:19,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:45:19,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:45:19,991 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:45:19,992 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:45:19,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd6677a-0e8c-4193-8627-e913d2d908f5/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i [2023-11-21 18:45:23,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:45:23,501 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:45:23,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd6677a-0e8c-4193-8627-e913d2d908f5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i [2023-11-21 18:45:23,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd6677a-0e8c-4193-8627-e913d2d908f5/bin/ukojak-verify-i0I2FZA1j2/data/092e5bff8/8ee94233cf224d42a89fb838027c60bd/FLAGe93d6a3f4 [2023-11-21 18:45:23,549 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd6677a-0e8c-4193-8627-e913d2d908f5/bin/ukojak-verify-i0I2FZA1j2/data/092e5bff8/8ee94233cf224d42a89fb838027c60bd [2023-11-21 18:45:23,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:45:23,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:45:23,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:23,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:45:23,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:45:23,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:23" (1/1) ... [2023-11-21 18:45:23,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f5460ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:23, skipping insertion in model container [2023-11-21 18:45:23,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:23" (1/1) ... [2023-11-21 18:45:23,620 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:45:24,091 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:45:24,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:24,650 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:45:24,672 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:45:24,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:24,999 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:25,000 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:25,000 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:25,001 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:25,001 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:25,009 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:45:25,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25 WrapperNode [2023-11-21 18:45:25,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:25,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:25,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:45:25,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:45:25,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,088 INFO L138 Inliner]: procedures = 501, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 146 [2023-11-21 18:45:25,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:25,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:45:25,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:45:25,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:45:25,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:45:25,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:45:25,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:45:25,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:45:25,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:25,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd6677a-0e8c-4193-8627-e913d2d908f5/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:45:25,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd6677a-0e8c-4193-8627-e913d2d908f5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:45:25,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd6677a-0e8c-4193-8627-e913d2d908f5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:45:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:45:25,238 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:45:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:45:25,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:45:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:45:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:45:25,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:45:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:45:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:45:25,388 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:45:25,390 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:45:25,670 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:45:25,971 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:45:25,972 INFO L308 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-21 18:45:25,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:25 BoogieIcfgContainer [2023-11-21 18:45:25,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:45:25,977 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:45:25,977 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:45:25,987 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:45:25,988 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:45:26,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:26,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2023-11-21 18:45:26,080 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2023-11-21 18:45:26,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:45:26,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:26,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:26,792 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 18:45:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2023-11-21 18:45:26,882 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-21 18:45:26,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:45:26,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:26,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:27,184 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 18:45:27,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:27,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2023-11-21 18:45:27,215 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2023-11-21 18:45:27,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:45:27,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:27,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:27,500 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 18:45:27,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 44 states and 50 transitions. [2023-11-21 18:45:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2023-11-21 18:45:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:45:27,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:27,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:27,684 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 18:45:27,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:27,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2023-11-21 18:45:27,722 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2023-11-21 18:45:27,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:45:27,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:27,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:27,820 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 18:45:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:27,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2023-11-21 18:45:27,868 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2023-11-21 18:45:27,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:45:27,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:27,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:45:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:28,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2023-11-21 18:45:28,407 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2023-11-21 18:45:28,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:45:28,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:28,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:28,531 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 18:45:28,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:28,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2023-11-21 18:45:28,639 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2023-11-21 18:45:28,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:45:28,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:28,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:28,749 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 18:45:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:28,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2023-11-21 18:45:28,775 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2023-11-21 18:45:28,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:45:28,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:28,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:28,879 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 18:45:29,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:29,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 57 states and 70 transitions. [2023-11-21 18:45:29,017 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2023-11-21 18:45:29,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:45:29,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:29,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:29,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:45:29,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:29,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 59 states and 73 transitions. [2023-11-21 18:45:29,277 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2023-11-21 18:45:29,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:45:29,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:29,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:29,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:45:29,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:29,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 80 transitions. [2023-11-21 18:45:29,729 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2023-11-21 18:45:29,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:45:29,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:29,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:29,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:45:29,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:29,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 81 transitions. [2023-11-21 18:45:29,817 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-11-21 18:45:29,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:45:29,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:29,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:45:30,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:30,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 82 transitions. [2023-11-21 18:45:30,126 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2023-11-21 18:45:30,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:45:30,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:30,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:30,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:45:30,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:30,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 76 transitions. [2023-11-21 18:45:30,511 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2023-11-21 18:45:30,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:45:30,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:30,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:30,583 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 18:45:30,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:30,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 44 states and 49 transitions. [2023-11-21 18:45:30,754 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2023-11-21 18:45:30,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:45:30,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:30,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:30,845 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:45:31,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:31,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 53 transitions. [2023-11-21 18:45:31,246 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2023-11-21 18:45:31,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:45:31,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:31,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:31,344 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:45:31,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:31,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 58 transitions. [2023-11-21 18:45:31,915 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2023-11-21 18:45:31,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:45:31,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:31,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:32,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:45:32,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 55 states and 68 transitions. [2023-11-21 18:45:32,668 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2023-11-21 18:45:32,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:45:32,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:32,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:45:32,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:32,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 56 states and 71 transitions. [2023-11-21 18:45:32,765 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2023-11-21 18:45:32,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:45:32,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:32,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:32,950 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:45:33,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:33,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 57 states and 72 transitions. [2023-11-21 18:45:33,245 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2023-11-21 18:45:33,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:45:33,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:33,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:33,346 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:45:33,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:33,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 58 states and 73 transitions. [2023-11-21 18:45:33,565 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2023-11-21 18:45:33,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:45:33,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:45:33,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:45:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:45:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:45:33,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:45:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 43 states and 49 transitions. [2023-11-21 18:45:33,991 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2023-11-21 18:45:33,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:45:33,991 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2023-11-21 18:45:34,000 INFO L751 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2023-11-21 18:45:34,132 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-11-21 18:45:34,139 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:45:34,140 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:45:34,140 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-11-21 18:45:34,141 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:45:34,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:45:34 ImpRootNode [2023-11-21 18:45:34,143 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:45:34,144 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:45:34,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:45:34,145 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:45:34,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:25" (3/4) ... [2023-11-21 18:45:34,149 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:45:34,153 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:45:34,153 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:45:34,166 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2023-11-21 18:45:34,167 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-21 18:45:34,167 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:45:34,168 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:45:34,327 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd6677a-0e8c-4193-8627-e913d2d908f5/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:45:34,329 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd6677a-0e8c-4193-8627-e913d2d908f5/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:45:34,329 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:45:34,330 INFO L158 Benchmark]: Toolchain (without parser) took 10776.31ms. Allocated memory was 144.7MB in the beginning and 226.5MB in the end (delta: 81.8MB). Free memory was 93.6MB in the beginning and 85.0MB in the end (delta: 8.6MB). Peak memory consumption was 92.4MB. Max. memory is 16.1GB. [2023-11-21 18:45:34,330 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 144.7MB. Free memory was 116.5MB in the beginning and 116.3MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:45:34,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1455.13ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 93.0MB in the beginning and 132.2MB in the end (delta: -39.2MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2023-11-21 18:45:34,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.79ms. Allocated memory is still 188.7MB. Free memory was 132.2MB in the beginning and 129.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:45:34,333 INFO L158 Benchmark]: Boogie Preprocessor took 40.49ms. Allocated memory is still 188.7MB. Free memory was 129.0MB in the beginning and 126.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:45:34,333 INFO L158 Benchmark]: RCFGBuilder took 845.13ms. Allocated memory is still 188.7MB. Free memory was 126.9MB in the beginning and 86.1MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-21 18:45:34,334 INFO L158 Benchmark]: CodeCheck took 8166.68ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 86.1MB in the beginning and 91.3MB in the end (delta: -5.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2023-11-21 18:45:34,335 INFO L158 Benchmark]: Witness Printer took 185.16ms. Allocated memory is still 226.5MB. Free memory was 91.3MB in the beginning and 85.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:45:34,337 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, 45 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1531 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 634 mSDsluCounter, 638 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 148 mSDsCounter, 827 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3064 IncrementalHoareTripleChecker+Invalid, 3891 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 827 mSolverCounterUnsat, 490 mSDtfsCounter, 3064 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3257 GetRequests, 3142 SyntacticMatches, 1 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4385 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 463 NumberOfCodeBlocks, 463 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 441 ConstructedInterpolants, 0 QuantifiedInterpolants, 711 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 15 PerfectInterpolantSequences, 89/96 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: 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) && (data < 2147483648)) || (i == 0)) - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: ((h == 0) || (((1 <= h) && ((data + 2) <= 0)) && (0 <= (data + 2)))) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 144.7MB. Free memory was 116.5MB in the beginning and 116.3MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1455.13ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 93.0MB in the beginning and 132.2MB in the end (delta: -39.2MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.79ms. Allocated memory is still 188.7MB. Free memory was 132.2MB in the beginning and 129.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.49ms. Allocated memory is still 188.7MB. Free memory was 129.0MB in the beginning and 126.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 845.13ms. Allocated memory is still 188.7MB. Free memory was 126.9MB in the beginning and 86.1MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 8166.68ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 86.1MB in the beginning and 91.3MB in the end (delta: -5.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Witness Printer took 185.16ms. Allocated memory is still 226.5MB. Free memory was 91.3MB in the beginning and 85.0MB 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 18:45:34,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd6677a-0e8c-4193-8627-e913d2d908f5/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