./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_10_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_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/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_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/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_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/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 759110158830039d647b02752c8b7047b00b5e6c24c5532ecb8623c821aa42ca --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:52:57,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:52:57,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:52:57,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:52:57,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:52:57,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:52:57,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:52:57,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:52:57,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:52:57,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:52:57,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:52:57,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:52:57,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:52:57,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:52:57,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:52:57,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:52:57,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:52:57,368 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:52:57,368 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:52:57,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:52:57,369 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:52:57,370 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:52:57,371 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:52:57,371 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:52:57,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:52:57,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:57,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:52:57,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:52:57,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:52:57,374 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:52:57,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:52:57,376 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:52:57,376 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_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 759110158830039d647b02752c8b7047b00b5e6c24c5532ecb8623c821aa42ca [2023-11-21 18:52:57,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:52:57,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:52:57,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:52:57,742 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:52:57,743 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:52:57,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_10_good.i [2023-11-21 18:53:00,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:53:01,373 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:53:01,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_10_good.i [2023-11-21 18:53:01,404 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/bin/ukojak-verify-i0I2FZA1j2/data/ab371f06a/ca3e3e5338f54bceba9c3cb15ad04702/FLAG34973dd27 [2023-11-21 18:53:01,419 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/bin/ukojak-verify-i0I2FZA1j2/data/ab371f06a/ca3e3e5338f54bceba9c3cb15ad04702 [2023-11-21 18:53:01,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:53:01,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:53:01,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:01,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:53:01,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:53:01,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:01" (1/1) ... [2023-11-21 18:53:01,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b0b313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:01, skipping insertion in model container [2023-11-21 18:53:01,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:01" (1/1) ... [2023-11-21 18:53:01,507 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:53:01,906 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:53:02,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:02,645 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:53:02,670 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:53:02,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:02,999 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:53:02,999 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:53:02,999 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:53:02,999 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:53:02,999 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:53:03,000 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:53:03,016 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:53:03,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:03 WrapperNode [2023-11-21 18:53:03,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:03,018 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:03,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:53:03,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:53:03,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:03" (1/1) ... [2023-11-21 18:53:03,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:03" (1/1) ... [2023-11-21 18:53:03,130 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2023-11-21 18:53:03,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:03,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:53:03,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:53:03,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:53:03,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:03" (1/1) ... [2023-11-21 18:53:03,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:03" (1/1) ... [2023-11-21 18:53:03,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:03" (1/1) ... [2023-11-21 18:53:03,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:03" (1/1) ... [2023-11-21 18:53:03,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:03" (1/1) ... [2023-11-21 18:53:03,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:03" (1/1) ... [2023-11-21 18:53:03,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:03" (1/1) ... [2023-11-21 18:53:03,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:03" (1/1) ... [2023-11-21 18:53:03,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:53:03,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:53:03,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:53:03,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:53:03,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:03" (1/1) ... [2023-11-21 18:53:03,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:03,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:53:03,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:53:03,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:53:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:53:03,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:53:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:53:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:53:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:53:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:53:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:53:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:53:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:53:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:53:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:53:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:53:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:53:03,467 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:53:03,470 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:53:03,682 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:53:03,735 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:53:03,736 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:53:03,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:03 BoogieIcfgContainer [2023-11-21 18:53:03,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:53:03,738 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:53:03,739 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:53:03,749 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:53:03,749 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:03" (1/1) ... [2023-11-21 18:53:03,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:53:03,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:03,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2023-11-21 18:53:03,820 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-21 18:53:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:53:03,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:03,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:04,207 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 18:53:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:04,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 76 transitions. [2023-11-21 18:53:04,276 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-21 18:53:04,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:53:04,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:04,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:04,461 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 18:53:04,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:04,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 56 states and 75 transitions. [2023-11-21 18:53:04,487 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2023-11-21 18:53:04,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:53:04,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:04,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:04,674 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 18:53:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 82 transitions. [2023-11-21 18:53:04,766 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-11-21 18:53:04,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:53:04,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:04,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:04,931 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 18:53:05,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:05,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 74 transitions. [2023-11-21 18:53:05,083 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-21 18:53:05,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:53:05,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:05,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:05,161 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 18:53:05,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:05,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 57 states and 76 transitions. [2023-11-21 18:53:05,609 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-21 18:53:05,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:53:05,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:05,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:05,668 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 18:53:06,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:06,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 63 states and 86 transitions. [2023-11-21 18:53:06,064 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2023-11-21 18:53:06,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:53:06,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:06,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:06,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:06,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 80 transitions. [2023-11-21 18:53:06,133 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2023-11-21 18:53:06,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:53:06,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:06,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:06,277 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 18:53:06,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:06,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 79 transitions. [2023-11-21 18:53:06,321 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2023-11-21 18:53:06,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:53:06,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:06,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:06,452 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 18:53:06,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 64 states and 87 transitions. [2023-11-21 18:53:06,595 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2023-11-21 18:53:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:53:06,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:06,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:06,645 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:06,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:06,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 84 transitions. [2023-11-21 18:53:06,888 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2023-11-21 18:53:06,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:53:06,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:06,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:06,933 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 18:53:07,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:07,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 67 states and 88 transitions. [2023-11-21 18:53:07,218 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-21 18:53:07,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:53:07,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:07,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:07,280 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 18:53:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:07,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 90 transitions. [2023-11-21 18:53:07,421 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2023-11-21 18:53:07,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:53:07,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:07,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:07,572 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:07,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 68 states and 88 transitions. [2023-11-21 18:53:07,810 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-21 18:53:07,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:53:07,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:07,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:07,849 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:07,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:07,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 67 states and 86 transitions. [2023-11-21 18:53:07,928 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2023-11-21 18:53:07,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:53:07,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:07,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:07,965 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 18:53:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:07,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 52 states and 67 transitions. [2023-11-21 18:53:07,987 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2023-11-21 18:53:07,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:53:07,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:07,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:08,200 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:08,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 54 states and 71 transitions. [2023-11-21 18:53:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-21 18:53:08,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:53:08,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:08,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:08,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:08,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:08,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 57 states and 76 transitions. [2023-11-21 18:53:08,790 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-21 18:53:08,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:53:08,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:08,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:09,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:09,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 66 states and 90 transitions. [2023-11-21 18:53:09,676 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2023-11-21 18:53:09,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:53:09,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:09,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:09,729 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:10,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:10,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 69 states and 94 transitions. [2023-11-21 18:53:10,138 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2023-11-21 18:53:10,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:53:10,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:10,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:53:10,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:10,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 72 states and 98 transitions. [2023-11-21 18:53:10,568 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2023-11-21 18:53:10,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:53:10,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:10,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:10,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:11,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 65 states and 86 transitions. [2023-11-21 18:53:11,026 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2023-11-21 18:53:11,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:53:11,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:11,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:11,104 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 18:53:11,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:11,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 69 states and 92 transitions. [2023-11-21 18:53:11,544 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2023-11-21 18:53:11,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:53:11,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:11,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:12,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:12,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 73 states and 96 transitions. [2023-11-21 18:53:12,079 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-11-21 18:53:12,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:53:12,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:12,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:12,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 76 states and 102 transitions. [2023-11-21 18:53:12,912 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2023-11-21 18:53:12,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:53:12,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:12,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:12,981 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:13,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:13,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 48 states and 60 transitions. [2023-11-21 18:53:13,589 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-21 18:53:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:53:13,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:13,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:14,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:14,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 47 states and 59 transitions. [2023-11-21 18:53:14,256 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-21 18:53:14,257 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:53:14,257 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-11-21 18:53:14,266 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-21 18:53:14,599 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:53:14,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:53:14 ImpRootNode [2023-11-21 18:53:14,608 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:53:14,615 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:53:14,616 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:53:14,616 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:53:14,616 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:03" (3/4) ... [2023-11-21 18:53:14,623 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:53:14,629 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:53:14,629 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:53:14,638 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-21 18:53:14,638 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 18:53:14,639 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:53:14,639 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:53:14,640 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:53:14,789 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:53:14,793 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:53:14,793 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:53:14,794 INFO L158 Benchmark]: Toolchain (without parser) took 13370.87ms. Allocated memory was 151.0MB in the beginning and 232.8MB in the end (delta: 81.8MB). Free memory was 112.4MB in the beginning and 184.7MB in the end (delta: -72.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-11-21 18:53:14,795 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:53:14,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1592.35ms. Allocated memory is still 151.0MB. Free memory was 112.4MB in the beginning and 94.9MB in the end (delta: 17.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-21 18:53:14,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.12ms. Allocated memory is still 151.0MB. Free memory was 94.9MB in the beginning and 92.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:53:14,798 INFO L158 Benchmark]: Boogie Preprocessor took 50.13ms. Allocated memory is still 151.0MB. Free memory was 92.2MB in the beginning and 90.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:53:14,799 INFO L158 Benchmark]: RCFGBuilder took 555.09ms. Allocated memory is still 151.0MB. Free memory was 90.1MB in the beginning and 70.8MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:53:14,799 INFO L158 Benchmark]: CodeCheck took 10869.19ms. Allocated memory was 151.0MB in the beginning and 232.8MB in the end (delta: 81.8MB). Free memory was 70.8MB in the beginning and 190.9MB in the end (delta: -120.1MB). Peak memory consumption was 92.6MB. Max. memory is 16.1GB. [2023-11-21 18:53:14,799 INFO L158 Benchmark]: Witness Printer took 178.26ms. Allocated memory is still 232.8MB. Free memory was 190.9MB in the beginning and 184.7MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:53:14,802 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4048 SdHoareTripleChecker+Valid, 8.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1615 mSDsluCounter, 3668 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1422 mSDsCounter, 1192 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4601 IncrementalHoareTripleChecker+Invalid, 5793 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1192 mSolverCounterUnsat, 2246 mSDtfsCounter, 4601 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6205 GetRequests, 6007 SyntacticMatches, 14 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15627 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 624 NumberOfCodeBlocks, 624 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 598 ConstructedInterpolants, 0 QuantifiedInterpolants, 1276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1666]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1592.35ms. Allocated memory is still 151.0MB. Free memory was 112.4MB in the beginning and 94.9MB in the end (delta: 17.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.12ms. Allocated memory is still 151.0MB. Free memory was 94.9MB in the beginning and 92.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.13ms. Allocated memory is still 151.0MB. Free memory was 92.2MB in the beginning and 90.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.09ms. Allocated memory is still 151.0MB. Free memory was 90.1MB in the beginning and 70.8MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 10869.19ms. Allocated memory was 151.0MB in the beginning and 232.8MB in the end (delta: 81.8MB). Free memory was 70.8MB in the beginning and 190.9MB in the end (delta: -120.1MB). Peak memory consumption was 92.6MB. Max. memory is 16.1GB. * Witness Printer took 178.26ms. Allocated memory is still 232.8MB. Free memory was 190.9MB in the beginning and 184.7MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:53:14,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3d9c5f-3e3c-4165-98b0-0ba7810158ee/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