./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ddd4991c5cc906892e1dead1f9e74e1cbe4e48f2d3e17b392b8efb86f500387 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:20,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:20,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:12:20,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:20,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:20,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:20,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:20,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:20,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:20,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:20,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:20,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:20,568 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:20,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:20,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:20,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:20,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:20,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:20,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:20,572 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:20,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:20,576 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:20,577 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:20,578 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:20,578 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:20,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:20,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:20,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:20,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:20,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:20,580 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:20,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:20,582 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:20,582 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_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ddd4991c5cc906892e1dead1f9e74e1cbe4e48f2d3e17b392b8efb86f500387 [2023-11-24 23:12:20,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:21,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:21,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:21,021 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:21,021 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:21,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2023-11-24 23:12:24,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:24,251 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:24,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2023-11-24 23:12:24,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi/data/4f70dd4cc/1af59f2ed3804cecb2b355c845247e2f/FLAG88a0d019c [2023-11-24 23:12:24,277 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi/data/4f70dd4cc/1af59f2ed3804cecb2b355c845247e2f [2023-11-24 23:12:24,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:24,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:24,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:24,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:24,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:24,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:24" (1/1) ... [2023-11-24 23:12:24,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f71be71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:24, skipping insertion in model container [2023-11-24 23:12:24,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:24" (1/1) ... [2023-11-24 23:12:24,352 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:24,531 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c[2265,2278] [2023-11-24 23:12:24,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:24,552 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:24,574 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c[2265,2278] [2023-11-24 23:12:24,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:24,594 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:24,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:24 WrapperNode [2023-11-24 23:12:24,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:24,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:24,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:24,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:24,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:24" (1/1) ... [2023-11-24 23:12:24,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:24" (1/1) ... [2023-11-24 23:12:24,643 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 122 [2023-11-24 23:12:24,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:24,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:24,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:24,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:24,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:24" (1/1) ... [2023-11-24 23:12:24,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:24" (1/1) ... [2023-11-24 23:12:24,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:24" (1/1) ... [2023-11-24 23:12:24,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:24" (1/1) ... [2023-11-24 23:12:24,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:24" (1/1) ... [2023-11-24 23:12:24,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:24" (1/1) ... [2023-11-24 23:12:24,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:24" (1/1) ... [2023-11-24 23:12:24,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:24" (1/1) ... [2023-11-24 23:12:24,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:24,670 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:24,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:24,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:24,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:24" (1/1) ... [2023-11-24 23:12:24,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:24,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:24,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:24,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:24,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:24,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:24,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:12:24,867 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:24,869 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:25,080 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:25,108 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:25,109 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:12:25,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:25 BoogieIcfgContainer [2023-11-24 23:12:25,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:25,112 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:25,113 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:25,140 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:25,140 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:25" (1/1) ... [2023-11-24 23:12:25,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:25,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:25,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2023-11-24 23:12:25,271 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2023-11-24 23:12:25,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:12:25,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:25,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:26,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:26,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:26,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2023-11-24 23:12:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2023-11-24 23:12:26,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:12:26,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:26,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:27,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:27,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:27,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2023-11-24 23:12:27,487 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2023-11-24 23:12:27,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:12:27,488 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-11-24 23:12:27,503 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 23:12:27,548 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-11-24 23:12:27,557 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-11-24 23:12:27,559 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:12:27,560 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:12:27,560 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:12:27,560 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:12:27,561 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-11-24 23:12:27,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:12:27 ImpRootNode [2023-11-24 23:12:27,562 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:12:27,563 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:12:27,563 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:12:27,564 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:12:27,564 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:25" (3/4) ... [2023-11-24 23:12:27,570 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:12:27,583 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-24 23:12:27,584 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:12:27,584 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:12:27,585 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:12:27,740 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:12:27,741 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:12:27,741 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:12:27,742 INFO L158 Benchmark]: Toolchain (without parser) took 3459.56ms. Allocated memory was 136.3MB in the beginning and 213.9MB in the end (delta: 77.6MB). Free memory was 69.2MB in the beginning and 160.9MB in the end (delta: -91.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:27,742 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 136.3MB. Free memory was 109.0MB in the beginning and 108.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:27,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.55ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 69.1MB in the beginning and 143.1MB in the end (delta: -74.0MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-11-24 23:12:27,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.28ms. Allocated memory is still 178.3MB. Free memory was 143.1MB in the beginning and 141.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:12:27,746 INFO L158 Benchmark]: Boogie Preprocessor took 24.82ms. Allocated memory is still 178.3MB. Free memory was 141.0MB in the beginning and 140.1MB in the end (delta: 834.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:27,746 INFO L158 Benchmark]: RCFGBuilder took 441.25ms. Allocated memory is still 178.3MB. Free memory was 140.1MB in the beginning and 126.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:12:27,747 INFO L158 Benchmark]: CodeCheck took 2449.87ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 126.3MB in the beginning and 166.1MB in the end (delta: -39.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:27,747 INFO L158 Benchmark]: Witness Printer took 178.04ms. Allocated memory is still 213.9MB. Free memory was 166.1MB in the beginning and 160.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:12:27,750 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 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 34 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 155 SyntacticMatches, 6 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 99]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (main__x < (((3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)) + ((main__x / 4294967296) * 4294967296)) + 1)) - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (main__x < (((3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)) + ((main__x / 4294967296) * 4294967296)) + 1)) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (main__x < (((3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)) + ((main__x / 4294967296) * 4294967296)) + 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 136.3MB. Free memory was 109.0MB in the beginning and 108.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.55ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 69.1MB in the beginning and 143.1MB in the end (delta: -74.0MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.28ms. Allocated memory is still 178.3MB. Free memory was 143.1MB in the beginning and 141.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.82ms. Allocated memory is still 178.3MB. Free memory was 141.0MB in the beginning and 140.1MB in the end (delta: 834.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 441.25ms. Allocated memory is still 178.3MB. Free memory was 140.1MB in the beginning and 126.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 2449.87ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 126.3MB in the beginning and 166.1MB in the end (delta: -39.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 178.04ms. Allocated memory is still 213.9MB. Free memory was 166.1MB in the beginning and 160.9MB 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! [2023-11-24 23:12:27,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef02f004-162a-466a-af4b-36dc03cd239f/bin/ukojak-verify-afCqCEvfdi/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