./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_44_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/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_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_44_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/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_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/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 9660509553aacd65914f111f950c74036d6090230d986a1bb364360bfcf7bc42 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:59:03,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:59:03,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:59:03,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:59:03,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:59:03,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:59:03,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:59:03,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:59:03,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:59:03,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:59:03,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:59:03,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:59:03,225 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:59:03,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:59:03,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:59:03,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:59:03,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:59:03,228 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:59:03,228 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:59:03,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:59:03,230 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:59:03,230 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:59:03,231 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:59:03,231 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:59:03,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:59:03,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:59:03,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:59:03,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:59:03,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:59:03,234 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:59:03,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:59:03,235 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:59:03,235 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_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9660509553aacd65914f111f950c74036d6090230d986a1bb364360bfcf7bc42 [2023-12-03 04:59:03,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:59:03,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:59:03,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:59:03,469 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:59:03,470 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:59:03,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_44_good.i [2023-12-03 04:59:06,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:59:06,550 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:59:06,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_44_good.i [2023-12-03 04:59:06,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/bin/ukojak-verify-Qdu7aM0XO9/data/f18875459/cc8f91caa3b444c6b7807f52a8c83e98/FLAGcb64ea2e3 [2023-12-03 04:59:06,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/bin/ukojak-verify-Qdu7aM0XO9/data/f18875459/cc8f91caa3b444c6b7807f52a8c83e98 [2023-12-03 04:59:06,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:59:06,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:59:06,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:59:06,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:59:06,594 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:59:06,595 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:59:06" (1/1) ... [2023-12-03 04:59:06,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a283524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:06, skipping insertion in model container [2023-12-03 04:59:06,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:59:06" (1/1) ... [2023-12-03 04:59:06,644 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:59:07,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:59:07,389 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:59:07,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:59:07,590 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:59:07,591 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:59:07,591 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:59:07,591 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:59:07,591 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:59:07,612 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:59:07,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:07 WrapperNode [2023-12-03 04:59:07,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:59:07,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:59:07,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:59:07,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:59:07,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:07" (1/1) ... [2023-12-03 04:59:07,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:07" (1/1) ... [2023-12-03 04:59:07,676 INFO L138 Inliner]: procedures = 503, calls = 64, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2023-12-03 04:59:07,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:59:07,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:59:07,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:59:07,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:59:07,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:07" (1/1) ... [2023-12-03 04:59:07,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:07" (1/1) ... [2023-12-03 04:59:07,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:07" (1/1) ... [2023-12-03 04:59:07,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:07" (1/1) ... [2023-12-03 04:59:07,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:07" (1/1) ... [2023-12-03 04:59:07,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:07" (1/1) ... [2023-12-03 04:59:07,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:07" (1/1) ... [2023-12-03 04:59:07,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:07" (1/1) ... [2023-12-03 04:59:07,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:59:07,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:59:07,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:59:07,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:59:07,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:07" (1/1) ... [2023-12-03 04:59:07,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:59:07,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:59:07,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:59:07,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:59:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-03 04:59:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-03 04:59:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:59:07,793 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:59:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:59:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-12-03 04:59:07,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-12-03 04:59:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:59:07,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:59:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:59:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:59:07,955 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:59:07,958 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:59:08,170 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:59:08,337 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:59:08,337 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:59:08,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:59:08 BoogieIcfgContainer [2023-12-03 04:59:08,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:59:08,340 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:59:08,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:59:08,350 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:59:08,351 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:59:08" (1/1) ... [2023-12-03 04:59:08,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:59:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:08,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2023-12-03 04:59:08,415 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2023-12-03 04:59:08,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:59:08,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:08,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:08,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:08,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 44 transitions. [2023-12-03 04:59:08,801 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2023-12-03 04:59:08,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:59:08,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:08,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:08,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:08,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 46 transitions. [2023-12-03 04:59:08,965 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-12-03 04:59:08,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:59:08,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:08,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:09,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:09,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 47 transitions. [2023-12-03 04:59:09,057 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2023-12-03 04:59:09,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 04:59:09,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:09,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:09,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:09,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 48 transitions. [2023-12-03 04:59:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2023-12-03 04:59:09,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:59:09,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:09,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:09,325 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:09,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:09,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 43 transitions. [2023-12-03 04:59:09,618 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-12-03 04:59:09,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:59:09,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:09,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:09,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:10,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:10,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 42 transitions. [2023-12-03 04:59:10,734 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2023-12-03 04:59:10,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:59:10,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:10,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:10,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:59:11,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:11,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 41 transitions. [2023-12-03 04:59:11,111 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2023-12-03 04:59:11,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:59:11,112 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-12-03 04:59:11,118 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-03 04:59:11,189 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:59:11,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:59:11 ImpRootNode [2023-12-03 04:59:11,193 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:59:11,193 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:59:11,194 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:59:11,194 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:59:11,194 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:59:08" (3/4) ... [2023-12-03 04:59:11,196 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:59:11,199 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-03 04:59:11,200 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-03 04:59:11,200 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-12-03 04:59:11,205 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2023-12-03 04:59:11,206 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-12-03 04:59:11,206 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 04:59:11,207 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:59:11,297 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:59:11,297 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:59:11,298 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:59:11,298 INFO L158 Benchmark]: Toolchain (without parser) took 4709.02ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 119.3MB in the beginning and 125.7MB in the end (delta: -6.4MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2023-12-03 04:59:11,299 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 159.4MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:59:11,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1023.40ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 119.3MB in the beginning and 162.2MB in the end (delta: -42.8MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. [2023-12-03 04:59:11,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.18ms. Allocated memory is still 197.1MB. Free memory was 162.2MB in the beginning and 159.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:59:11,300 INFO L158 Benchmark]: Boogie Preprocessor took 29.40ms. Allocated memory is still 197.1MB. Free memory was 159.1MB in the beginning and 157.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:59:11,301 INFO L158 Benchmark]: RCFGBuilder took 631.93ms. Allocated memory is still 197.1MB. Free memory was 157.0MB in the beginning and 119.2MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 04:59:11,301 INFO L158 Benchmark]: CodeCheck took 2853.02ms. Allocated memory is still 197.1MB. Free memory was 119.2MB in the beginning and 132.0MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:59:11,301 INFO L158 Benchmark]: Witness Printer took 104.28ms. Allocated memory is still 197.1MB. Free memory was 132.0MB in the beginning and 125.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:59:11,303 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, 34 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 215 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 108 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 143 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 355 IncrementalHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 143 mSolverCounterUnsat, 108 mSDtfsCounter, 355 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 799 GetRequests, 743 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 181 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 7/7 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: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: 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: 1595]: 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 159.4MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1023.40ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 119.3MB in the beginning and 162.2MB in the end (delta: -42.8MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.18ms. Allocated memory is still 197.1MB. Free memory was 162.2MB in the beginning and 159.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.40ms. Allocated memory is still 197.1MB. Free memory was 159.1MB in the beginning and 157.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 631.93ms. Allocated memory is still 197.1MB. Free memory was 157.0MB in the beginning and 119.2MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 2853.02ms. Allocated memory is still 197.1MB. Free memory was 119.2MB in the beginning and 132.0MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 104.28ms. Allocated memory is still 197.1MB. Free memory was 132.0MB in the beginning and 125.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 04:59:11,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa948c1-ee70-4eee-8de9-b621ade5ccb1/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