./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_c7c11410-0d41-49d3-b712-4461883c0f14/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c11410-0d41-49d3-b712-4461883c0f14/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_c7c11410-0d41-49d3-b712-4461883c0f14/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c11410-0d41-49d3-b712-4461883c0f14/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c11410-0d41-49d3-b712-4461883c0f14/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c11410-0d41-49d3-b712-4461883c0f14/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 32bit --witnessprinter.graph.data.programhash b4d60c093ba6c9dcaff9815fcaab264eab148dbcfff5c12da0f56175eb222a22 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:07:51,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:07:51,500 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c11410-0d41-49d3-b712-4461883c0f14/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:07:51,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:07:51,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:07:51,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:07:51,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:07:51,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:07:51,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:07:51,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:07:51,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:07:51,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:07:51,530 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:07:51,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:07:51,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:07:51,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:07:51,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:07:51,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:07:51,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:07:51,533 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:07:51,534 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:07:51,534 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:07:51,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:07:51,535 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:07:51,536 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:07:51,536 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:07:51,537 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:07:51,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:07:51,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:07:51,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:07:51,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:07:51,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:07:51,539 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:07:51,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:07:51,539 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:07:51,540 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_c7c11410-0d41-49d3-b712-4461883c0f14/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c11410-0d41-49d3-b712-4461883c0f14/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4d60c093ba6c9dcaff9815fcaab264eab148dbcfff5c12da0f56175eb222a22 [2023-12-03 04:07:51,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:07:51,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:07:51,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:07:51,754 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:07:51,755 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:07:51,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c11410-0d41-49d3-b712-4461883c0f14/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-benchs/rlim_invariant.c.v+lhb-reducer.c [2023-12-03 04:07:54,512 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:07:54,682 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:07:54,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c11410-0d41-49d3-b712-4461883c0f14/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+lhb-reducer.c [2023-12-03 04:07:54,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c11410-0d41-49d3-b712-4461883c0f14/bin/ukojak-verify-Qdu7aM0XO9/data/4302c8533/dc5bc26ea62743409886658c4c5e4989/FLAGfc0bff215 [2023-12-03 04:07:54,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c11410-0d41-49d3-b712-4461883c0f14/bin/ukojak-verify-Qdu7aM0XO9/data/4302c8533/dc5bc26ea62743409886658c4c5e4989 [2023-12-03 04:07:54,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:07:54,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:07:54,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:07:54,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:07:54,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:07:54,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:07:54" (1/1) ... [2023-12-03 04:07:54,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0b3f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:54, skipping insertion in model container [2023-12-03 04:07:54,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:07:54" (1/1) ... [2023-12-03 04:07:54,744 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:07:54,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:07:54,909 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:07:54,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:07:54,948 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:07:54,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:54 WrapperNode [2023-12-03 04:07:54,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:07:54,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:07:54,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:07:54,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:07:54,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:54" (1/1) ... [2023-12-03 04:07:54,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:54" (1/1) ... [2023-12-03 04:07:54,983 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 163 [2023-12-03 04:07:54,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:07:54,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:07:54,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:07:54,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:07:54,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:54" (1/1) ... [2023-12-03 04:07:54,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:54" (1/1) ... [2023-12-03 04:07:54,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:54" (1/1) ... [2023-12-03 04:07:54,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:54" (1/1) ... [2023-12-03 04:07:55,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:54" (1/1) ... [2023-12-03 04:07:55,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:54" (1/1) ... [2023-12-03 04:07:55,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:54" (1/1) ... [2023-12-03 04:07:55,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:54" (1/1) ... [2023-12-03 04:07:55,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:07:55,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:07:55,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:07:55,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:07:55,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:54" (1/1) ... [2023-12-03 04:07:55,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:07:55,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c11410-0d41-49d3-b712-4461883c0f14/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:07:55,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c11410-0d41-49d3-b712-4461883c0f14/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:07:55,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c11410-0d41-49d3-b712-4461883c0f14/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:07:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-03 04:07:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-03 04:07:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:07:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:07:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:07:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:07:55,161 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:07:55,163 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:07:55,344 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:07:55,400 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:07:55,400 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:07:55,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:07:55 BoogieIcfgContainer [2023-12-03 04:07:55,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:07:55,403 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:07:55,404 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:07:55,413 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:07:55,413 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:07:55" (1/1) ... [2023-12-03 04:07:55,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:07:55,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:55,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 60 transitions. [2023-12-03 04:07:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 60 transitions. [2023-12-03 04:07:55,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:07:55,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:55,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:55,670 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 04:07:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:55,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 66 transitions. [2023-12-03 04:07:55,738 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2023-12-03 04:07:55,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:07:55,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:55,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:55,821 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 04:07:55,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:55,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 65 transitions. [2023-12-03 04:07:55,969 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2023-12-03 04:07:55,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:07:55,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:55,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:56,024 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 04:07:56,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:56,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2023-12-03 04:07:56,044 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2023-12-03 04:07:56,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:07:56,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:56,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:07:56,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2023-12-03 04:07:56,266 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2023-12-03 04:07:56,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:07:56,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:56,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:56,317 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 04:07:56,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 59 states and 92 transitions. [2023-12-03 04:07:56,421 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 92 transitions. [2023-12-03 04:07:56,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:07:56,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:56,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:56,513 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 04:07:56,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:56,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 93 transitions. [2023-12-03 04:07:56,731 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2023-12-03 04:07:56,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:07:56,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:56,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:56,762 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 04:07:56,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:56,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 62 states and 93 transitions. [2023-12-03 04:07:56,867 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 93 transitions. [2023-12-03 04:07:56,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:07:56,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:56,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:56,925 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 04:07:57,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:57,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 63 states and 93 transitions. [2023-12-03 04:07:57,078 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2023-12-03 04:07:57,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:07:57,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:57,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:57,163 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 04:07:57,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:57,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 74 states and 112 transitions. [2023-12-03 04:07:57,457 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2023-12-03 04:07:57,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:07:57,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:57,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:57,510 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 04:07:57,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:57,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 76 states and 113 transitions. [2023-12-03 04:07:57,747 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 113 transitions. [2023-12-03 04:07:57,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:07:57,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:57,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:57,779 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 04:07:57,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:57,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 65 states and 97 transitions. [2023-12-03 04:07:57,912 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2023-12-03 04:07:57,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 04:07:57,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:57,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:58,036 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:07:58,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:58,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 96 transitions. [2023-12-03 04:07:58,928 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2023-12-03 04:07:58,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:07:58,929 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-12-03 04:07:58,938 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-12-03 04:07:59,173 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-03 04:07:59,180 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-12-03 04:07:59,181 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-12-03 04:07:59,182 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:07:59,182 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-12-03 04:07:59,183 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:07:59,183 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:07:59,183 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-12-03 04:07:59,184 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-12-03 04:07:59,185 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:07:59,185 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:07:59,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:07:59 ImpRootNode [2023-12-03 04:07:59,185 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:07:59,186 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:07:59,186 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:07:59,186 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:07:59,187 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:07:55" (3/4) ... [2023-12-03 04:07:59,189 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:07:59,192 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2023-12-03 04:07:59,198 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-12-03 04:07:59,198 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 04:07:59,199 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 04:07:59,199 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:07:59,321 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c11410-0d41-49d3-b712-4461883c0f14/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:07:59,322 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c11410-0d41-49d3-b712-4461883c0f14/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:07:59,322 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:07:59,323 INFO L158 Benchmark]: Toolchain (without parser) took 4612.36ms. Allocated memory was 186.6MB in the beginning and 243.3MB in the end (delta: 56.6MB). Free memory was 148.6MB in the beginning and 179.4MB in the end (delta: -30.8MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-12-03 04:07:59,323 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:07:59,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.73ms. Allocated memory is still 186.6MB. Free memory was 148.6MB in the beginning and 137.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:07:59,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.18ms. Allocated memory is still 186.6MB. Free memory was 137.0MB in the beginning and 135.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:07:59,324 INFO L158 Benchmark]: Boogie Preprocessor took 28.01ms. Allocated memory is still 186.6MB. Free memory was 135.4MB in the beginning and 133.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:07:59,324 INFO L158 Benchmark]: RCFGBuilder took 388.96ms. Allocated memory is still 186.6MB. Free memory was 133.9MB in the beginning and 118.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:07:59,325 INFO L158 Benchmark]: CodeCheck took 3782.02ms. Allocated memory was 186.6MB in the beginning and 243.3MB in the end (delta: 56.6MB). Free memory was 118.2MB in the beginning and 184.6MB in the end (delta: -66.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:07:59,325 INFO L158 Benchmark]: Witness Printer took 135.96ms. Allocated memory is still 243.3MB. Free memory was 184.6MB in the beginning and 179.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:07:59,327 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 2 procedures, 40 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1054 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 659 mSDsluCounter, 1581 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 743 mSDsCounter, 307 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 743 IncrementalHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 307 mSolverCounterUnsat, 838 mSDtfsCounter, 743 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2344 GetRequests, 2250 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2975 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 35/37 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: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (main__i == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((main____CPAchecker_TMP_2 == 0) || (main__i == 0)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((main____CPAchecker_TMP_1 == 0) || ((main__i <= 99999) && (1 <= main__i))) || ((main__i < 1) && (0 <= (main__i + 2147483648)))) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: ((((main__i <= 99999) && (1 <= main__i)) || ((main__i < 1) && (0 <= (main__i + 2147483648)))) || (main____CPAchecker_TMP_0 == 0)) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: (((main____CPAchecker_TMP_2 == 0) || ((main__i <= 99999) && (1 <= main__i))) || ((main__i < 1) && (0 <= (main__i + 2147483648)))) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (((main__i <= 99999) && (1 <= main__i)) || ((main__i < 1) && (0 <= (main__i + 2147483648)))) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.73ms. Allocated memory is still 186.6MB. Free memory was 148.6MB in the beginning and 137.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.18ms. Allocated memory is still 186.6MB. Free memory was 137.0MB in the beginning and 135.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.01ms. Allocated memory is still 186.6MB. Free memory was 135.4MB in the beginning and 133.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.96ms. Allocated memory is still 186.6MB. Free memory was 133.9MB in the beginning and 118.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 3782.02ms. Allocated memory was 186.6MB in the beginning and 243.3MB in the end (delta: 56.6MB). Free memory was 118.2MB in the beginning and 184.6MB in the end (delta: -66.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 135.96ms. Allocated memory is still 243.3MB. Free memory was 184.6MB in the beginning and 179.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 04:07:59,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c11410-0d41-49d3-b712-4461883c0f14/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