./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-27.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV --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 6aef6b0d1df5b94d50511471039c073d3e3978d33dd37a94cbf88e18d72517ad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:50:52,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:50:52,736 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:50:52,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:50:52,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:50:52,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:50:52,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:50:52,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:50:52,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:50:52,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:50:52,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:50:52,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:50:52,768 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:50:52,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:50:52,769 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:50:52,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:50:52,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:50:52,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:50:52,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:50:52,772 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:50:52,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:50:52,776 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:50:52,777 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:50:52,777 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:50:52,778 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:50:52,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:52,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:50:52,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:50:52,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:50:52,783 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:50:52,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:50:52,784 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:50:52,784 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_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aef6b0d1df5b94d50511471039c073d3e3978d33dd37a94cbf88e18d72517ad [2023-11-11 23:50:53,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:50:53,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:50:53,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:50:53,119 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:50:53,119 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:50:53,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-27.i [2023-11-11 23:50:56,313 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:50:56,601 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:50:56,601 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-27.i [2023-11-11 23:50:56,611 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV/data/73719c1a6/fcf030dfe2fb4e1194221c3d80d0a835/FLAG810e48d66 [2023-11-11 23:50:56,626 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV/data/73719c1a6/fcf030dfe2fb4e1194221c3d80d0a835 [2023-11-11 23:50:56,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:50:56,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:50:56,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:56,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:50:56,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:50:56,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:56" (1/1) ... [2023-11-11 23:50:56,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1676ab24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:56, skipping insertion in model container [2023-11-11 23:50:56,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:56" (1/1) ... [2023-11-11 23:50:56,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:50:56,819 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_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-27.i[915,928] [2023-11-11 23:50:56,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:56,878 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:50:56,901 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_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-27.i[915,928] [2023-11-11 23:50:56,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:56,970 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:50:56,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:56 WrapperNode [2023-11-11 23:50:56,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:56,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:56,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:50:56,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:50:56,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:56" (1/1) ... [2023-11-11 23:50:57,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:56" (1/1) ... [2023-11-11 23:50:57,047 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2023-11-11 23:50:57,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:57,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:50:57,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:50:57,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:50:57,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:56" (1/1) ... [2023-11-11 23:50:57,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:56" (1/1) ... [2023-11-11 23:50:57,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:56" (1/1) ... [2023-11-11 23:50:57,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:56" (1/1) ... [2023-11-11 23:50:57,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:56" (1/1) ... [2023-11-11 23:50:57,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:56" (1/1) ... [2023-11-11 23:50:57,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:56" (1/1) ... [2023-11-11 23:50:57,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:56" (1/1) ... [2023-11-11 23:50:57,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:50:57,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:50:57,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:50:57,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:50:57,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:56" (1/1) ... [2023-11-11 23:50:57,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:57,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:50:57,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:50:57,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:50:57,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:50:57,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:50:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:50:57,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:50:57,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:50:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:50:57,289 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:50:57,298 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:50:57,583 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:50:57,710 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:50:57,710 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:50:57,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:57 BoogieIcfgContainer [2023-11-11 23:50:57,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:50:57,715 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:50:57,715 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:50:57,725 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:50:57,725 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:57" (1/1) ... [2023-11-11 23:50:57,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:50:57,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:57,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2023-11-11 23:50:57,794 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2023-11-11 23:50:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-11 23:50:57,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:57,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:58,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-11 23:50:58,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 152 proven. 12 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-11 23:51:45,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:45,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 59 states and 107 transitions. [2023-11-11 23:51:45,803 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 107 transitions. [2023-11-11 23:51:45,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:51:45,807 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-11 23:51:45,816 INFO L753 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-11 23:51:45,847 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:51:45,850 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:51:45,851 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:51:45,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:51:45 ImpRootNode [2023-11-11 23:51:45,851 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:51:45,852 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:51:45,852 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:51:45,853 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:51:45,853 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:57" (3/4) ... [2023-11-11 23:51:45,855 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:51:45,859 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-11 23:51:45,865 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-11 23:51:45,865 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-11 23:51:45,866 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-11 23:51:45,866 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:51:45,982 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:51:45,982 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:51:45,982 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:51:45,984 INFO L158 Benchmark]: Toolchain (without parser) took 49353.41ms. Allocated memory was 157.3MB in the beginning and 513.8MB in the end (delta: 356.5MB). Free memory was 125.0MB in the beginning and 364.6MB in the end (delta: -239.6MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. [2023-11-11 23:51:45,986 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:51:45,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.09ms. Allocated memory is still 157.3MB. Free memory was 125.0MB in the beginning and 112.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:51:45,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.79ms. Allocated memory is still 157.3MB. Free memory was 112.4MB in the beginning and 109.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:45,987 INFO L158 Benchmark]: Boogie Preprocessor took 29.56ms. Allocated memory is still 157.3MB. Free memory was 109.7MB in the beginning and 108.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:45,987 INFO L158 Benchmark]: RCFGBuilder took 634.76ms. Allocated memory is still 157.3MB. Free memory was 108.3MB in the beginning and 81.7MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-11 23:51:45,988 INFO L158 Benchmark]: CodeCheck took 48136.87ms. Allocated memory was 157.3MB in the beginning and 513.8MB in the end (delta: 356.5MB). Free memory was 81.7MB in the beginning and 369.8MB in the end (delta: -288.1MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:45,988 INFO L158 Benchmark]: Witness Printer took 130.51ms. Allocated memory is still 513.8MB. Free memory was 369.8MB in the beginning and 364.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:51:45,991 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, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 127 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 79 mSDtfsCounter, 111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 484 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 46.6s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 592 SizeOfPredicates, 21 NumberOfNonLiveVariables, 227 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 260/272 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: 19]: 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: 60]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.09ms. Allocated memory is still 157.3MB. Free memory was 125.0MB in the beginning and 112.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.79ms. Allocated memory is still 157.3MB. Free memory was 112.4MB in the beginning and 109.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.56ms. Allocated memory is still 157.3MB. Free memory was 109.7MB in the beginning and 108.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 634.76ms. Allocated memory is still 157.3MB. Free memory was 108.3MB in the beginning and 81.7MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 48136.87ms. Allocated memory was 157.3MB in the beginning and 513.8MB in the end (delta: 356.5MB). Free memory was 81.7MB in the beginning and 369.8MB in the end (delta: -288.1MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Witness Printer took 130.51ms. Allocated memory is still 513.8MB. Free memory was 369.8MB in the beginning and 364.6MB 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! [2023-11-11 23:51:46,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9746f5d-c56a-436f-a4c5-d23039ab3ba2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE