./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247720df-a94d-4b00-bffb-5ac4fabbdf27/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247720df-a94d-4b00-bffb-5ac4fabbdf27/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_247720df-a94d-4b00-bffb-5ac4fabbdf27/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247720df-a94d-4b00-bffb-5ac4fabbdf27/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247720df-a94d-4b00-bffb-5ac4fabbdf27/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_247720df-a94d-4b00-bffb-5ac4fabbdf27/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 d4ea41e2590f6d53feb4a10faaed8fdc938d31e5e9690998824676ba87605bf2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:08:41,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:08:41,812 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247720df-a94d-4b00-bffb-5ac4fabbdf27/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:08:41,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:08:41,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:08:41,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:08:41,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:08:41,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:08:41,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:08:41,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:08:41,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:08:41,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:08:41,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:08:41,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:08:41,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:08:41,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:08:41,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:08:41,845 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:08:41,846 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:08:41,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:08:41,847 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:08:41,849 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:08:41,849 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:08:41,850 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:08:41,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:08:41,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:08:41,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:08:41,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:08:41,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:08:41,853 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:08:41,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:08:41,854 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:08:41,854 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_247720df-a94d-4b00-bffb-5ac4fabbdf27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247720df-a94d-4b00-bffb-5ac4fabbdf27/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4ea41e2590f6d53feb4a10faaed8fdc938d31e5e9690998824676ba87605bf2 [2023-12-02 22:08:42,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:08:42,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:08:42,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:08:42,087 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:08:42,087 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:08:42,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247720df-a94d-4b00-bffb-5ac4fabbdf27/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_17_good.i [2023-12-02 22:08:44,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:08:45,118 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:08:45,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247720df-a94d-4b00-bffb-5ac4fabbdf27/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_17_good.i [2023-12-02 22:08:45,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247720df-a94d-4b00-bffb-5ac4fabbdf27/bin/ukojak-verify-Qdu7aM0XO9/data/98d2e50fc/c5e932839091425f959e1a944a2e4bda/FLAGb894a7129 [2023-12-02 22:08:45,158 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247720df-a94d-4b00-bffb-5ac4fabbdf27/bin/ukojak-verify-Qdu7aM0XO9/data/98d2e50fc/c5e932839091425f959e1a944a2e4bda [2023-12-02 22:08:45,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:08:45,163 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:08:45,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:08:45,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:08:45,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:08:45,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:08:45" (1/1) ... [2023-12-02 22:08:45,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6ee27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:45, skipping insertion in model container [2023-12-02 22:08:45,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:08:45" (1/1) ... [2023-12-02 22:08:45,233 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:08:45,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:08:46,002 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:08:46,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:08:46,177 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:08:46,177 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:08:46,178 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:08:46,178 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:08:46,178 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:08:46,183 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:08:46,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:46 WrapperNode [2023-12-02 22:08:46,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:08:46,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:08:46,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:08:46,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:08:46,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:46" (1/1) ... [2023-12-02 22:08:46,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:46" (1/1) ... [2023-12-02 22:08:46,246 INFO L138 Inliner]: procedures = 501, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2023-12-02 22:08:46,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:08:46,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:08:46,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:08:46,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:08:46,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:46" (1/1) ... [2023-12-02 22:08:46,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:46" (1/1) ... [2023-12-02 22:08:46,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:46" (1/1) ... [2023-12-02 22:08:46,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:46" (1/1) ... [2023-12-02 22:08:46,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:46" (1/1) ... [2023-12-02 22:08:46,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:46" (1/1) ... [2023-12-02 22:08:46,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:46" (1/1) ... [2023-12-02 22:08:46,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:46" (1/1) ... [2023-12-02 22:08:46,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:08:46,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:08:46,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:08:46,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:08:46,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:46" (1/1) ... [2023-12-02 22:08:46,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:08:46,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247720df-a94d-4b00-bffb-5ac4fabbdf27/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:08:46,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247720df-a94d-4b00-bffb-5ac4fabbdf27/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:08:46,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247720df-a94d-4b00-bffb-5ac4fabbdf27/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:08:46,349 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 22:08:46,349 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 22:08:46,349 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:08:46,349 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:08:46,350 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:08:46,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:08:46,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 22:08:46,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:08:46,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:08:46,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:08:46,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:08:46,351 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:08:46,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:08:46,498 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:08:46,500 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:08:46,659 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:08:46,709 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:08:46,710 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 22:08:46,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:08:46 BoogieIcfgContainer [2023-12-02 22:08:46,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:08:46,712 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:08:46,713 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:08:46,720 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:08:46,721 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:08:46" (1/1) ... [2023-12-02 22:08:46,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:08:46,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:46,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2023-12-02 22:08:46,774 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2023-12-02 22:08:46,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:08:46,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:46,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:47,041 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 22:08:47,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:47,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2023-12-02 22:08:47,080 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-12-02 22:08:47,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:08:47,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:47,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:47,212 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 22:08:47,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:47,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 66 transitions. [2023-12-02 22:08:47,242 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2023-12-02 22:08:47,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:08:47,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:47,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:47,317 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 22:08:47,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:47,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 55 states and 67 transitions. [2023-12-02 22:08:47,334 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2023-12-02 22:08:47,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:08:47,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:47,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:47,400 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 22:08:47,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:47,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 57 states and 69 transitions. [2023-12-02 22:08:47,412 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2023-12-02 22:08:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 22:08:47,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:47,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:08:47,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:47,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2023-12-02 22:08:47,687 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-12-02 22:08:47,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 22:08:47,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:47,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:47,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:08:47,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:47,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 83 transitions. [2023-12-02 22:08:47,847 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2023-12-02 22:08:47,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 22:08:47,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:47,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:47,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:08:48,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:48,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 66 states and 84 transitions. [2023-12-02 22:08:48,044 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2023-12-02 22:08:48,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 22:08:48,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:48,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:08:48,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:48,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 83 transitions. [2023-12-02 22:08:48,186 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2023-12-02 22:08:48,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:08:48,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:48,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:48,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:08:48,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:48,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 63 transitions. [2023-12-02 22:08:48,392 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2023-12-02 22:08:48,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:08:48,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:48,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:08:48,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:48,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 57 states and 71 transitions. [2023-12-02 22:08:48,534 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2023-12-02 22:08:48,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:08:48,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:48,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:48,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:08:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:48,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 58 states and 73 transitions. [2023-12-02 22:08:48,606 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2023-12-02 22:08:48,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:08:48,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:48,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:48,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:08:48,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:48,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 78 transitions. [2023-12-02 22:08:48,881 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2023-12-02 22:08:48,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:08:48,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:48,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:48,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:08:49,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:49,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 81 transitions. [2023-12-02 22:08:49,072 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-12-02 22:08:49,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:08:49,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:49,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:49,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:08:49,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:49,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 67 states and 85 transitions. [2023-12-02 22:08:49,317 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2023-12-02 22:08:49,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 22:08:49,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:49,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:49,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:08:49,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:49,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 68 states and 86 transitions. [2023-12-02 22:08:49,385 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2023-12-02 22:08:49,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 22:08:49,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:49,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:08:49,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:49,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 71 states and 90 transitions. [2023-12-02 22:08:49,907 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2023-12-02 22:08:49,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 22:08:49,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:49,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:08:50,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:50,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 67 states and 84 transitions. [2023-12-02 22:08:50,140 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-12-02 22:08:50,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:08:50,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:50,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:50,266 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 22:08:50,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:50,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 68 states and 85 transitions. [2023-12-02 22:08:50,496 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2023-12-02 22:08:50,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 22:08:50,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:50,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:50,590 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:08:50,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:50,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 70 states and 89 transitions. [2023-12-02 22:08:50,997 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2023-12-02 22:08:50,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:08:50,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:50,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:51,040 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:08:51,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:51,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 71 states and 90 transitions. [2023-12-02 22:08:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2023-12-02 22:08:51,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 22:08:51,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:51,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:08:51,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:51,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 52 states and 62 transitions. [2023-12-02 22:08:51,293 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-12-02 22:08:51,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 22:08:51,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:51,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 22:08:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:51,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 58 states and 71 transitions. [2023-12-02 22:08:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2023-12-02 22:08:51,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 22:08:51,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:51,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:51,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 22:08:51,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:51,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 59 states and 73 transitions. [2023-12-02 22:08:51,843 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2023-12-02 22:08:51,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:08:51,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:51,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:51,882 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:08:52,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:52,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 63 states and 77 transitions. [2023-12-02 22:08:52,177 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-12-02 22:08:52,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 22:08:52,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:52,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:52,284 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 22:08:52,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:52,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 46 states and 53 transitions. [2023-12-02 22:08:52,558 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2023-12-02 22:08:52,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:08:52,558 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-12-02 22:08:52,567 INFO L751 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2023-12-02 22:08:52,678 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:08:52,682 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:08:52,682 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:08:52,682 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-12-02 22:08:52,684 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:08:52,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:08:52 ImpRootNode [2023-12-02 22:08:52,685 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:08:52,685 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:08:52,685 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:08:52,685 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:08:52,686 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:08:46" (3/4) ... [2023-12-02 22:08:52,687 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:08:52,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 22:08:52,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 22:08:52,695 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-12-02 22:08:52,695 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-12-02 22:08:52,695 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 22:08:52,696 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:08:52,800 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247720df-a94d-4b00-bffb-5ac4fabbdf27/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:08:52,800 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247720df-a94d-4b00-bffb-5ac4fabbdf27/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:08:52,801 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:08:52,801 INFO L158 Benchmark]: Toolchain (without parser) took 7638.53ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 153.9MB in the beginning and 89.2MB in the end (delta: 64.6MB). Peak memory consumption was 106.3MB. Max. memory is 16.1GB. [2023-12-02 22:08:52,802 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:08:52,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1020.26ms. Allocated memory is still 197.1MB. Free memory was 153.9MB in the beginning and 89.7MB in the end (delta: 64.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-12-02 22:08:52,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.03ms. Allocated memory is still 197.1MB. Free memory was 89.7MB in the beginning and 86.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:08:52,803 INFO L158 Benchmark]: Boogie Preprocessor took 28.80ms. Allocated memory is still 197.1MB. Free memory was 86.8MB in the beginning and 84.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:08:52,803 INFO L158 Benchmark]: RCFGBuilder took 435.37ms. Allocated memory is still 197.1MB. Free memory was 84.7MB in the beginning and 65.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 22:08:52,804 INFO L158 Benchmark]: CodeCheck took 5972.26ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 65.8MB in the beginning and 95.4MB in the end (delta: -29.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-12-02 22:08:52,804 INFO L158 Benchmark]: Witness Printer took 115.65ms. Allocated memory is still 237.0MB. Free memory was 94.4MB in the beginning and 89.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:08:52,806 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, 50 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2429 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1191 mSDsluCounter, 1684 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 731 mSDsCounter, 897 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3732 IncrementalHoareTripleChecker+Invalid, 4629 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 897 mSolverCounterUnsat, 953 mSDtfsCounter, 3732 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4284 GetRequests, 4157 SyntacticMatches, 9 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5171 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 532 ConstructedInterpolants, 0 QuantifiedInterpolants, 866 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 20 PerfectInterpolantSequences, 101/106 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1585]: Loop Invariant Derived loop invariant: (((1 <= h) && (data == 2)) || (h == 0)) - InvariantResult [Line: 1607]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1020.26ms. Allocated memory is still 197.1MB. Free memory was 153.9MB in the beginning and 89.7MB in the end (delta: 64.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.03ms. Allocated memory is still 197.1MB. Free memory was 89.7MB in the beginning and 86.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.80ms. Allocated memory is still 197.1MB. Free memory was 86.8MB in the beginning and 84.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 435.37ms. Allocated memory is still 197.1MB. Free memory was 84.7MB in the beginning and 65.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 5972.26ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 65.8MB in the beginning and 95.4MB in the end (delta: -29.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Witness Printer took 115.65ms. Allocated memory is still 237.0MB. Free memory was 94.4MB in the beginning and 89.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 22:08:52,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247720df-a94d-4b00-bffb-5ac4fabbdf27/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