./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC --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 2ab129d438672abf99fba4ba49313b3f134be62963cc91deb15216b263c15682 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:06:01,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:06:01,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:06:01,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:06:01,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:06:01,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:06:01,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:06:01,156 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:06:01,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:06:01,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:06:01,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:06:01,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:06:01,160 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:06:01,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:06:01,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:06:01,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:06:01,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:06:01,163 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:06:01,164 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:06:01,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:06:01,165 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:06:01,166 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:06:01,166 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:06:01,167 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:06:01,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:06:01,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:01,168 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:06:01,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:06:01,169 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:06:01,170 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:06:01,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:06:01,171 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:06:01,171 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_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ab129d438672abf99fba4ba49313b3f134be62963cc91deb15216b263c15682 [2023-11-23 20:06:01,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:06:01,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:06:01,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:06:01,507 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:06:01,508 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:06:01,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_good.i [2023-11-23 20:06:05,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:06:05,705 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:06:05,706 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_good.i [2023-11-23 20:06:05,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC/data/fcb7da819/aa9e6c9a12384a5583abcd2115466b0a/FLAGc3b9e7fe2 [2023-11-23 20:06:05,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC/data/fcb7da819/aa9e6c9a12384a5583abcd2115466b0a [2023-11-23 20:06:05,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:06:05,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:06:05,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:05,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:06:05,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:06:05,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:05" (1/1) ... [2023-11-23 20:06:05,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20477571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:05, skipping insertion in model container [2023-11-23 20:06:05,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:05" (1/1) ... [2023-11-23 20:06:05,922 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:06:06,430 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:06:07,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:07,272 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:06:07,311 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:06:07,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:07,666 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:07,666 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:07,666 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:07,667 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:07,667 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:07,667 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:07,677 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:06:07,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:07 WrapperNode [2023-11-23 20:06:07,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:07,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:07,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:06:07,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:06:07,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:07" (1/1) ... [2023-11-23 20:06:07,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:07" (1/1) ... [2023-11-23 20:06:07,819 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 115 [2023-11-23 20:06:07,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:07,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:06:07,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:06:07,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:06:07,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:07" (1/1) ... [2023-11-23 20:06:07,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:07" (1/1) ... [2023-11-23 20:06:07,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:07" (1/1) ... [2023-11-23 20:06:07,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:07" (1/1) ... [2023-11-23 20:06:07,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:07" (1/1) ... [2023-11-23 20:06:07,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:07" (1/1) ... [2023-11-23 20:06:07,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:07" (1/1) ... [2023-11-23 20:06:07,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:07" (1/1) ... [2023-11-23 20:06:07,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:06:07,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:06:07,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:06:07,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:06:07,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:07" (1/1) ... [2023-11-23 20:06:07,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:07,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:06:07,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:06:07,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:06:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:06:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:06:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:06:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:06:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:06:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:06:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:06:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:06:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:06:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:06:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:06:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:06:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:06:08,212 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:06:08,215 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:06:08,501 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:06:08,560 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:06:08,561 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:06:08,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:08 BoogieIcfgContainer [2023-11-23 20:06:08,563 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:06:08,564 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:06:08,565 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:06:08,578 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:06:08,578 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:08" (1/1) ... [2023-11-23 20:06:08,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:06:08,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:08,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 61 states and 85 transitions. [2023-11-23 20:06:08,667 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2023-11-23 20:06:08,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:06:08,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:08,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:09,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:09,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 84 transitions. [2023-11-23 20:06:09,303 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2023-11-23 20:06:09,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:06:09,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:09,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:09,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:09,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:09,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 83 transitions. [2023-11-23 20:06:09,490 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2023-11-23 20:06:09,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:06:09,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:09,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:09,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:09,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:09,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 59 states and 82 transitions. [2023-11-23 20:06:09,721 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2023-11-23 20:06:09,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:06:09,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:09,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:09,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:09,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 92 transitions. [2023-11-23 20:06:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-23 20:06:09,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:06:09,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:09,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:10,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:10,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 66 states and 94 transitions. [2023-11-23 20:06:10,243 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-11-23 20:06:10,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:06:10,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:10,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:10,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:10,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 65 states and 93 transitions. [2023-11-23 20:06:10,425 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2023-11-23 20:06:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:06:10,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:10,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:10,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:10,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:10,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 64 states and 92 transitions. [2023-11-23 20:06:10,604 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-23 20:06:10,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:06:10,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:10,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:10,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:10,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 66 states and 94 transitions. [2023-11-23 20:06:10,744 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-11-23 20:06:10,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:06:10,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:10,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:10,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 63 states and 88 transitions. [2023-11-23 20:06:10,893 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-23 20:06:10,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:06:10,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:10,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:11,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:11,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:11,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 93 transitions. [2023-11-23 20:06:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2023-11-23 20:06:11,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:06:11,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:11,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:11,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:11,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 67 states and 94 transitions. [2023-11-23 20:06:11,218 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2023-11-23 20:06:11,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:06:11,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:11,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:11,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:11,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:11,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 75 states and 110 transitions. [2023-11-23 20:06:11,360 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2023-11-23 20:06:11,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:06:11,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:11,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:11,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:11,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:11,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 78 states and 115 transitions. [2023-11-23 20:06:11,632 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2023-11-23 20:06:11,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:06:11,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:11,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:11,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:11,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:11,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 114 transitions. [2023-11-23 20:06:11,867 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2023-11-23 20:06:11,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:06:11,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:11,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:11,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:11,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 75 states and 107 transitions. [2023-11-23 20:06:11,967 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2023-11-23 20:06:11,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:06:11,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:11,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:12,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:12,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 74 states and 105 transitions. [2023-11-23 20:06:12,063 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2023-11-23 20:06:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:06:12,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:12,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:12,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:12,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:12,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 75 states and 106 transitions. [2023-11-23 20:06:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2023-11-23 20:06:12,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:06:12,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:12,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:12,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:12,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:12,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 77 states and 111 transitions. [2023-11-23 20:06:12,413 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2023-11-23 20:06:12,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:06:12,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:12,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:12,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:12,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:12,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 79 states and 114 transitions. [2023-11-23 20:06:12,654 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2023-11-23 20:06:12,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:06:12,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:12,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:12,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:12,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:12,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 79 states and 113 transitions. [2023-11-23 20:06:12,892 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2023-11-23 20:06:12,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:06:12,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:12,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:13,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:13,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 76 states and 108 transitions. [2023-11-23 20:06:13,253 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2023-11-23 20:06:13,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:06:13,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:13,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:13,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:13,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 107 transitions. [2023-11-23 20:06:13,422 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2023-11-23 20:06:13,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:06:13,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:13,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:13,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:13,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:13,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 79 states and 112 transitions. [2023-11-23 20:06:13,869 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 112 transitions. [2023-11-23 20:06:13,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:06:13,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:13,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:14,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:14,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 55 states and 71 transitions. [2023-11-23 20:06:14,316 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2023-11-23 20:06:14,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:06:14,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:14,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:14,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:14,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:14,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 60 states and 77 transitions. [2023-11-23 20:06:14,690 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-23 20:06:14,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:06:14,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:14,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:15,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:15,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 51 states and 65 transitions. [2023-11-23 20:06:15,151 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2023-11-23 20:06:15,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:06:15,152 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-11-23 20:06:15,165 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-23 20:06:15,528 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:06:15,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:06:15 ImpRootNode [2023-11-23 20:06:15,534 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:06:15,535 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:06:15,535 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:06:15,536 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:06:15,536 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:08" (3/4) ... [2023-11-23 20:06:15,539 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:06:15,543 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:06:15,543 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:06:15,553 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-23 20:06:15,554 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 20:06:15,555 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:06:15,555 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:06:15,556 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:06:15,702 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:06:15,703 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:06:15,703 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:06:15,704 INFO L158 Benchmark]: Toolchain (without parser) took 9914.44ms. Allocated memory was 132.1MB in the beginning and 220.2MB in the end (delta: 88.1MB). Free memory was 83.9MB in the beginning and 56.3MB in the end (delta: 27.5MB). Peak memory consumption was 118.4MB. Max. memory is 16.1GB. [2023-11-23 20:06:15,704 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:06:15,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1885.23ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 83.9MB in the beginning and 118.9MB in the end (delta: -35.1MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-11-23 20:06:15,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.10ms. Allocated memory is still 182.5MB. Free memory was 118.9MB in the beginning and 115.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:06:15,706 INFO L158 Benchmark]: Boogie Preprocessor took 81.07ms. Allocated memory is still 182.5MB. Free memory was 115.7MB in the beginning and 113.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:06:15,706 INFO L158 Benchmark]: RCFGBuilder took 660.96ms. Allocated memory is still 182.5MB. Free memory was 113.6MB in the beginning and 94.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:06:15,707 INFO L158 Benchmark]: CodeCheck took 6970.37ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 94.8MB in the beginning and 62.6MB in the end (delta: 32.2MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2023-11-23 20:06:15,707 INFO L158 Benchmark]: Witness Printer took 167.84ms. Allocated memory is still 220.2MB. Free memory was 62.6MB in the beginning and 56.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:06:15,710 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, 61 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4248 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1740 mSDsluCounter, 4130 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1827 mSDsCounter, 847 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3050 IncrementalHoareTripleChecker+Invalid, 3897 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 847 mSolverCounterUnsat, 2303 mSDtfsCounter, 3050 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5921 GetRequests, 5833 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2812 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 604 NumberOfCodeBlocks, 604 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 1208 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 48/48 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: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: 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: 1670]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1885.23ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 83.9MB in the beginning and 118.9MB in the end (delta: -35.1MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.10ms. Allocated memory is still 182.5MB. Free memory was 118.9MB in the beginning and 115.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.07ms. Allocated memory is still 182.5MB. Free memory was 115.7MB in the beginning and 113.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 660.96ms. Allocated memory is still 182.5MB. Free memory was 113.6MB in the beginning and 94.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 6970.37ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 94.8MB in the beginning and 62.6MB in the end (delta: 32.2MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. * Witness Printer took 167.84ms. Allocated memory is still 220.2MB. Free memory was 62.6MB in the beginning and 56.3MB 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! [2023-11-23 20:06:15,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a857cfd7-eac0-43d9-bf75-8c465c4c8b6a/bin/ukojak-verify-1t5iHCbJaC/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