./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL --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 ac0a1a6e382dc67c16c6b72d2239e81c389e4f53fb61fde23070e142dd3fc6a0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:33:02,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:33:03,048 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:33:03,057 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:33:03,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:33:03,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:33:03,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:33:03,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:33:03,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:33:03,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:33:03,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:33:03,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:33:03,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:33:03,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:33:03,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:33:03,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:33:03,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:33:03,117 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:33:03,118 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:33:03,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:33:03,119 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:33:03,119 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:33:03,120 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:33:03,120 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:33:03,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:33:03,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:33:03,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:33:03,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:33:03,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:33:03,123 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:33:03,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:33:03,124 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:33:03,125 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_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac0a1a6e382dc67c16c6b72d2239e81c389e4f53fb61fde23070e142dd3fc6a0 [2023-11-19 02:33:03,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:33:03,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:33:03,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:33:03,429 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:33:03,430 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:33:03,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_65_good.i [2023-11-19 02:33:06,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:33:06,937 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:33:06,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_65_good.i [2023-11-19 02:33:06,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL/data/f6f9fac17/3cc08fc16e324ad794d86360fcc2ba8f/FLAGaaeb55077 [2023-11-19 02:33:06,995 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL/data/f6f9fac17/3cc08fc16e324ad794d86360fcc2ba8f [2023-11-19 02:33:07,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:33:07,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:33:07,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:33:07,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:33:07,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:33:07,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:33:06" (1/1) ... [2023-11-19 02:33:07,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f5ce03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:07, skipping insertion in model container [2023-11-19 02:33:07,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:33:06" (1/1) ... [2023-11-19 02:33:07,092 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:33:07,517 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:33:08,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:08,224 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:33:08,245 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:33:08,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:08,547 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:33:08,547 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:33:08,547 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:33:08,548 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:33:08,548 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:33:08,548 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:33:08,556 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:33:08,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:08 WrapperNode [2023-11-19 02:33:08,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:33:08,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:33:08,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:33:08,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:33:08,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:08" (1/1) ... [2023-11-19 02:33:08,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:08" (1/1) ... [2023-11-19 02:33:08,619 INFO L138 Inliner]: procedures = 504, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 68 [2023-11-19 02:33:08,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:33:08,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:33:08,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:33:08,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:33:08,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:08" (1/1) ... [2023-11-19 02:33:08,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:08" (1/1) ... [2023-11-19 02:33:08,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:08" (1/1) ... [2023-11-19 02:33:08,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:08" (1/1) ... [2023-11-19 02:33:08,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:08" (1/1) ... [2023-11-19 02:33:08,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:08" (1/1) ... [2023-11-19 02:33:08,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:08" (1/1) ... [2023-11-19 02:33:08,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:08" (1/1) ... [2023-11-19 02:33:08,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:33:08,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:33:08,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:33:08,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:33:08,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:08" (1/1) ... [2023-11-19 02:33:08,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:33:08,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:33:08,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:33:08,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:33:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 02:33:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 02:33:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:33:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:33:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:33:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:33:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:33:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-19 02:33:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-19 02:33:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:33:08,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:33:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:33:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:33:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:33:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:33:08,971 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:33:08,974 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:33:09,183 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:33:09,214 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:33:09,215 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:33:09,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:09 BoogieIcfgContainer [2023-11-19 02:33:09,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:33:09,221 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:33:09,221 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:33:09,231 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:33:09,232 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:09" (1/1) ... [2023-11-19 02:33:09,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:33:09,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:09,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2023-11-19 02:33:09,303 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-11-19 02:33:09,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:33:09,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:09,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:09,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:09,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 40 states and 49 transitions. [2023-11-19 02:33:09,863 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-11-19 02:33:09,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:33:09,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:09,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:10,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:10,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 48 transitions. [2023-11-19 02:33:10,008 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2023-11-19 02:33:10,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:33:10,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:10,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:10,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:10,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:10,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 47 transitions. [2023-11-19 02:33:10,152 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2023-11-19 02:33:10,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:33:10,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:10,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:10,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:10,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:10,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 46 transitions. [2023-11-19 02:33:10,325 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2023-11-19 02:33:10,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:33:10,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:10,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:10,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:10,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:10,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 52 transitions. [2023-11-19 02:33:10,730 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2023-11-19 02:33:10,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:33:10,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:10,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:10,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:11,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:11,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 43 states and 58 transitions. [2023-11-19 02:33:11,712 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2023-11-19 02:33:11,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:33:11,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:11,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:12,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 43 states and 57 transitions. [2023-11-19 02:33:12,041 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-19 02:33:12,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:33:12,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:12,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:12,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:12,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:12,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 51 transitions. [2023-11-19 02:33:12,756 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2023-11-19 02:33:12,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:33:12,757 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-11-19 02:33:12,766 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 02:33:12,874 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:33:12,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:33:12 ImpRootNode [2023-11-19 02:33:12,879 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:33:12,880 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:33:12,880 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:33:12,881 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:33:12,881 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:09" (3/4) ... [2023-11-19 02:33:12,883 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:33:12,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 02:33:12,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 02:33:12,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-11-19 02:33:12,893 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-19 02:33:12,893 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-19 02:33:12,894 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 02:33:12,894 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:33:12,990 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:33:12,991 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:33:12,991 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:33:12,992 INFO L158 Benchmark]: Toolchain (without parser) took 5990.37ms. Allocated memory was 121.6MB in the beginning and 195.0MB in the end (delta: 73.4MB). Free memory was 84.9MB in the beginning and 151.4MB in the end (delta: -66.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 02:33:12,992 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:33:12,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1552.07ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 84.5MB in the beginning and 95.0MB in the end (delta: -10.5MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2023-11-19 02:33:12,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.56ms. Allocated memory is still 161.5MB. Free memory was 95.0MB in the beginning and 92.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:33:12,994 INFO L158 Benchmark]: Boogie Preprocessor took 31.39ms. Allocated memory is still 161.5MB. Free memory was 92.0MB in the beginning and 90.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:33:12,994 INFO L158 Benchmark]: RCFGBuilder took 567.65ms. Allocated memory is still 161.5MB. Free memory was 90.0MB in the beginning and 74.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:33:12,995 INFO L158 Benchmark]: CodeCheck took 3658.44ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 74.1MB in the beginning and 156.6MB in the end (delta: -82.5MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-11-19 02:33:12,995 INFO L158 Benchmark]: Witness Printer took 110.86ms. Allocated memory is still 195.0MB. Free memory was 156.6MB in the beginning and 151.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:33:12,997 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 4 procedures, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 344 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 250 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 161 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 519 IncrementalHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 161 mSolverCounterUnsat, 160 mSDtfsCounter, 519 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1026 GetRequests, 955 SyntacticMatches, 5 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1033 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 13/13 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: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1552.07ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 84.5MB in the beginning and 95.0MB in the end (delta: -10.5MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.56ms. Allocated memory is still 161.5MB. Free memory was 95.0MB in the beginning and 92.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.39ms. Allocated memory is still 161.5MB. Free memory was 92.0MB in the beginning and 90.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 567.65ms. Allocated memory is still 161.5MB. Free memory was 90.0MB in the beginning and 74.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3658.44ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 74.1MB in the beginning and 156.6MB in the end (delta: -82.5MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Witness Printer took 110.86ms. Allocated memory is still 195.0MB. Free memory was 156.6MB in the beginning and 151.4MB 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! [2023-11-19 02:33:13,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2875007-b1d3-4bdc-b380-14b9e35c5c0a/bin/ukojak-verify-G8NBE6pJGL/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