./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9 --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 7de30c44d0602994b810982ba2c9a74ab800acce8c1e9199f770e3b9f4cae0fd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:22:50,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:22:50,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:22:50,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:22:50,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:22:50,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:22:50,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:22:50,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:22:50,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:22:50,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:22:50,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:22:50,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:22:50,965 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:22:50,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:22:50,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:22:50,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:22:50,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:22:50,968 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:22:50,968 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:22:50,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:22:50,969 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:22:50,970 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:22:50,971 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:22:50,971 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:22:50,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:22:50,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:22:50,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:22:50,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:22:50,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:22:50,974 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:22:50,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:22:50,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:22:50,975 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_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7de30c44d0602994b810982ba2c9a74ab800acce8c1e9199f770e3b9f4cae0fd [2023-12-02 23:22:51,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:22:51,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:22:51,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:22:51,253 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:22:51,253 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:22:51,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_good.i [2023-12-02 23:22:53,981 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:22:54,287 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:22:54,288 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_good.i [2023-12-02 23:22:54,310 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9/data/e42b2340f/3eeb9829fe43412590a018619b3ec542/FLAGeff6c97b7 [2023-12-02 23:22:54,556 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9/data/e42b2340f/3eeb9829fe43412590a018619b3ec542 [2023-12-02 23:22:54,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:22:54,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:22:54,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:22:54,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:22:54,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:22:54,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:22:54" (1/1) ... [2023-12-02 23:22:54,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cfceba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:54, skipping insertion in model container [2023-12-02 23:22:54,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:22:54" (1/1) ... [2023-12-02 23:22:54,634 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:22:55,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:22:55,331 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:22:55,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:22:55,534 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:22:55,534 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:22:55,534 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:22:55,534 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:22:55,534 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:22:55,542 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:22:55,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:55 WrapperNode [2023-12-02 23:22:55,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:22:55,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:22:55,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:22:55,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:22:55,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:55" (1/1) ... [2023-12-02 23:22:55,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:55" (1/1) ... [2023-12-02 23:22:55,628 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 129 [2023-12-02 23:22:55,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:22:55,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:22:55,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:22:55,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:22:55,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:55" (1/1) ... [2023-12-02 23:22:55,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:55" (1/1) ... [2023-12-02 23:22:55,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:55" (1/1) ... [2023-12-02 23:22:55,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:55" (1/1) ... [2023-12-02 23:22:55,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:55" (1/1) ... [2023-12-02 23:22:55,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:55" (1/1) ... [2023-12-02 23:22:55,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:55" (1/1) ... [2023-12-02 23:22:55,655 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:55" (1/1) ... [2023-12-02 23:22:55,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:22:55,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:22:55,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:22:55,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:22:55,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:55" (1/1) ... [2023-12-02 23:22:55,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:22:55,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:22:55,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:22:55,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:22:55,721 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 23:22:55,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 23:22:55,721 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 23:22:55,721 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:22:55,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:22:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:22:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 23:22:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:22:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:22:55,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:22:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:22:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:22:55,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:22:55,870 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:22:55,872 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:22:56,061 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:22:56,099 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:22:56,099 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:22:56,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:22:56 BoogieIcfgContainer [2023-12-02 23:22:56,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:22:56,102 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:22:56,102 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:22:56,109 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:22:56,110 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:22:56" (1/1) ... [2023-12-02 23:22:56,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:22:56,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:56,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2023-12-02 23:22:56,163 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2023-12-02 23:22:56,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:22:56,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:56,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:56,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:56,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:56,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 82 transitions. [2023-12-02 23:22:56,427 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-12-02 23:22:56,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:22:56,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:56,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:56,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:56,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:56,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 88 transitions. [2023-12-02 23:22:56,563 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-12-02 23:22:56,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:22:56,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:56,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:56,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:56,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 66 states and 87 transitions. [2023-12-02 23:22:56,670 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2023-12-02 23:22:56,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:22:56,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:56,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:56,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:22:56,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:56,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 61 states and 80 transitions. [2023-12-02 23:22:56,843 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-12-02 23:22:56,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:22:56,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:56,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:56,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:22:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:57,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 63 states and 82 transitions. [2023-12-02 23:22:57,246 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-12-02 23:22:57,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:22:57,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:57,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:22:57,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:57,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 70 states and 93 transitions. [2023-12-02 23:22:57,596 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2023-12-02 23:22:57,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:22:57,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:57,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:57,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:57,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 97 transitions. [2023-12-02 23:22:57,815 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-12-02 23:22:57,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:22:57,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:57,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:57,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:22:57,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:57,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 104 transitions. [2023-12-02 23:22:57,957 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2023-12-02 23:22:57,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:22:57,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:57,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:57,995 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:22:58,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:58,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 74 states and 97 transitions. [2023-12-02 23:22:58,012 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-12-02 23:22:58,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:22:58,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:58,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:22:58,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:58,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 73 states and 96 transitions. [2023-12-02 23:22:58,151 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-12-02 23:22:58,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:22:58,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:58,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:58,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:22:58,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:58,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 71 states and 92 transitions. [2023-12-02 23:22:58,384 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2023-12-02 23:22:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:22:58,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:58,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:22:58,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:58,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 73 states and 94 transitions. [2023-12-02 23:22:58,537 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2023-12-02 23:22:58,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:22:58,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:58,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:58,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:22:58,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 72 states and 92 transitions. [2023-12-02 23:22:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-12-02 23:22:58,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:22:58,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:58,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:22:58,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 59 states and 75 transitions. [2023-12-02 23:22:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-12-02 23:22:58,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:22:58,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:58,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:58,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:22:58,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:58,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 57 states and 72 transitions. [2023-12-02 23:22:58,962 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2023-12-02 23:22:58,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:22:58,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:58,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:22:59,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:59,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 59 states and 76 transitions. [2023-12-02 23:22:59,085 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-12-02 23:22:59,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:22:59,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:59,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:59,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:22:59,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:59,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 60 states and 77 transitions. [2023-12-02 23:22:59,153 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-12-02 23:22:59,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:22:59,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:59,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:59,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:22:59,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:59,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 63 states and 82 transitions. [2023-12-02 23:22:59,331 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-12-02 23:22:59,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:22:59,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:59,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:59,392 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:22:59,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:59,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 73 states and 97 transitions. [2023-12-02 23:22:59,871 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2023-12-02 23:22:59,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:22:59,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:59,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:59,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:23:00,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:00,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 71 states and 93 transitions. [2023-12-02 23:23:00,155 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2023-12-02 23:23:00,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 23:23:00,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:00,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:00,200 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:23:00,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:00,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 68 states and 88 transitions. [2023-12-02 23:23:00,460 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-12-02 23:23:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 23:23:00,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:00,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:00,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:23:00,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:00,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 72 states and 92 transitions. [2023-12-02 23:23:00,794 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-12-02 23:23:00,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:23:00,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:00,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 23:23:00,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:00,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 70 states and 88 transitions. [2023-12-02 23:23:00,978 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2023-12-02 23:23:00,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:23:00,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:00,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:01,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:23:01,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:01,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 75 states and 96 transitions. [2023-12-02 23:23:01,152 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2023-12-02 23:23:01,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 23:23:01,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:01,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:01,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:23:01,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:01,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 76 states and 97 transitions. [2023-12-02 23:23:01,240 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2023-12-02 23:23:01,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:23:01,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:01,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:01,279 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:23:01,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 51 states and 63 transitions. [2023-12-02 23:23:01,301 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-12-02 23:23:01,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:23:01,302 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-12-02 23:23:01,310 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-02 23:23:01,606 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:23:01,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:23:01 ImpRootNode [2023-12-02 23:23:01,611 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:23:01,612 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:23:01,612 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:23:01,612 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:23:01,612 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:22:56" (3/4) ... [2023-12-02 23:23:01,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:23:01,617 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 23:23:01,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 23:23:01,623 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-12-02 23:23:01,624 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-02 23:23:01,624 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 23:23:01,624 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:23:01,625 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:23:01,731 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:23:01,732 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:23:01,732 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:23:01,733 INFO L158 Benchmark]: Toolchain (without parser) took 7173.62ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 150.9MB in the beginning and 170.3MB in the end (delta: -19.4MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-12-02 23:23:01,734 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:23:01,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 982.64ms. Allocated memory is still 184.5MB. Free memory was 150.9MB in the beginning and 146.4MB in the end (delta: 4.5MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2023-12-02 23:23:01,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.55ms. Allocated memory is still 184.5MB. Free memory was 146.4MB in the beginning and 143.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:23:01,735 INFO L158 Benchmark]: Boogie Preprocessor took 29.99ms. Allocated memory is still 184.5MB. Free memory was 142.2MB in the beginning and 141.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:23:01,735 INFO L158 Benchmark]: RCFGBuilder took 441.46ms. Allocated memory is still 184.5MB. Free memory was 141.1MB in the beginning and 121.2MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 23:23:01,736 INFO L158 Benchmark]: CodeCheck took 5509.29ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 121.2MB in the beginning and 176.5MB in the end (delta: -55.3MB). Peak memory consumption was 100.9MB. Max. memory is 16.1GB. [2023-12-02 23:23:01,736 INFO L158 Benchmark]: Witness Printer took 120.94ms. Allocated memory is still 222.3MB. Free memory was 176.5MB in the beginning and 170.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 23:23:01,738 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, 63 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4556 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2045 mSDsluCounter, 4545 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2012 mSDsCounter, 921 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4195 IncrementalHoareTripleChecker+Invalid, 5116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 921 mSolverCounterUnsat, 2533 mSDtfsCounter, 4195 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5980 GetRequests, 5841 SyntacticMatches, 13 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7707 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 659 NumberOfCodeBlocks, 659 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 633 ConstructedInterpolants, 0 QuantifiedInterpolants, 1357 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: 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: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: 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: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: 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: 1664]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 982.64ms. Allocated memory is still 184.5MB. Free memory was 150.9MB in the beginning and 146.4MB in the end (delta: 4.5MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.55ms. Allocated memory is still 184.5MB. Free memory was 146.4MB in the beginning and 143.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.99ms. Allocated memory is still 184.5MB. Free memory was 142.2MB in the beginning and 141.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 441.46ms. Allocated memory is still 184.5MB. Free memory was 141.1MB in the beginning and 121.2MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 5509.29ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 121.2MB in the beginning and 176.5MB in the end (delta: -55.3MB). Peak memory consumption was 100.9MB. Max. memory is 16.1GB. * Witness Printer took 120.94ms. Allocated memory is still 222.3MB. Free memory was 176.5MB in the beginning and 170.3MB 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! [2023-12-02 23:23:01,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40dec41c-4687-42ef-8bed-09598989c031/bin/ukojak-verify-Qdu7aM0XO9/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