./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL --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 5e56896530f71bea1daff440246bbdce733626db219e470948d24943c0708578 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:53,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:53,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:06:53,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:53,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:53,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:53,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:53,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:53,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:53,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:53,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:53,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:53,373 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:53,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:53,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:53,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:53,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:53,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:53,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:53,378 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:53,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:53,379 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:53,380 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:53,380 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:53,381 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:53,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:53,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:53,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:53,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:53,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:53,385 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:53,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:53,386 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:53,386 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_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e56896530f71bea1daff440246bbdce733626db219e470948d24943c0708578 [2023-11-19 04:06:53,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:53,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:53,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:53,731 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:53,731 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:53,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-89.i [2023-11-19 04:06:57,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:57,282 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:57,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-89.i [2023-11-19 04:06:57,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL/data/772a554e0/148dfa825c1745a991219e5c3c0d88c1/FLAGf7d8f7033 [2023-11-19 04:06:57,310 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL/data/772a554e0/148dfa825c1745a991219e5c3c0d88c1 [2023-11-19 04:06:57,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:57,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:57,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:57,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:57,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:57,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:57" (1/1) ... [2023-11-19 04:06:57,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b435bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:57, skipping insertion in model container [2023-11-19 04:06:57,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:57" (1/1) ... [2023-11-19 04:06:57,360 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:57,513 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_022750c2-8eb6-4f28-84e4-f177a208b6e4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-89.i[916,929] [2023-11-19 04:06:57,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:57,580 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:57,594 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_022750c2-8eb6-4f28-84e4-f177a208b6e4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-89.i[916,929] [2023-11-19 04:06:57,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:57,667 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:57,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:57 WrapperNode [2023-11-19 04:06:57,667 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:57,668 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:57,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:57,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:57,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:57" (1/1) ... [2023-11-19 04:06:57,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:57" (1/1) ... [2023-11-19 04:06:57,756 INFO L138 Inliner]: procedures = 26, calls = 132, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 383 [2023-11-19 04:06:57,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:57,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:57,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:57,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:57,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:57" (1/1) ... [2023-11-19 04:06:57,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:57" (1/1) ... [2023-11-19 04:06:57,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:57" (1/1) ... [2023-11-19 04:06:57,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:57" (1/1) ... [2023-11-19 04:06:57,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:57" (1/1) ... [2023-11-19 04:06:57,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:57" (1/1) ... [2023-11-19 04:06:57,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:57" (1/1) ... [2023-11-19 04:06:57,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:57" (1/1) ... [2023-11-19 04:06:57,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:57,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:57,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:57,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:57,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:57" (1/1) ... [2023-11-19 04:06:57,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:57,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:57,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:57,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:06:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:06:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:06:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:06:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:06:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:58,102 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:58,107 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:58,712 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:59,798 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:59,798 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:06:59,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:59 BoogieIcfgContainer [2023-11-19 04:06:59,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:59,810 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:59,811 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:59,823 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:59,823 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:59" (1/1) ... [2023-11-19 04:06:59,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:59,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:59,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2023-11-19 04:06:59,925 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2023-11-19 04:06:59,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:06:59,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:59,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:00,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-19 04:07:00,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:01,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-19 04:07:01,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2023-11-19 04:07:01,435 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:07:01,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2023-11-19 04:07:01,578 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:07:01,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2023-11-19 04:07:01,813 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:07:01,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 38 [2023-11-19 04:07:01,965 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:07:01,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 38 [2023-11-19 04:07:32,061 WARN L293 SmtUtils]: Spent 10.35s on a formula simplification. DAG size of input: 9 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-19 04:07:35,242 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 95 proven. 29 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 04:07:38,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:38,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 61 states and 114 transitions. [2023-11-19 04:07:38,041 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2023-11-19 04:07:38,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:07:38,045 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-19 04:07:38,057 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 04:07:38,085 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:07:38,090 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:07:38,091 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:07:38,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:07:38 ImpRootNode [2023-11-19 04:07:38,091 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:07:38,092 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:07:38,093 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:07:38,093 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:07:38,094 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:59" (3/4) ... [2023-11-19 04:07:38,096 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:07:38,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 04:07:38,115 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2023-11-19 04:07:38,117 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-19 04:07:38,119 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 04:07:38,120 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:07:38,358 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:07:38,358 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:07:38,358 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:07:38,359 INFO L158 Benchmark]: Toolchain (without parser) took 41044.48ms. Allocated memory was 163.6MB in the beginning and 562.0MB in the end (delta: 398.5MB). Free memory was 119.8MB in the beginning and 222.5MB in the end (delta: -102.7MB). Peak memory consumption was 297.7MB. Max. memory is 16.1GB. [2023-11-19 04:07:38,360 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 115.3MB. Free memory was 83.1MB in the beginning and 83.1MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:38,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.59ms. Allocated memory is still 163.6MB. Free memory was 119.8MB in the beginning and 105.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:07:38,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.25ms. Allocated memory is still 163.6MB. Free memory was 105.0MB in the beginning and 100.9MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:07:38,361 INFO L158 Benchmark]: Boogie Preprocessor took 86.30ms. Allocated memory is still 163.6MB. Free memory was 100.9MB in the beginning and 97.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:07:38,362 INFO L158 Benchmark]: RCFGBuilder took 1953.11ms. Allocated memory is still 163.6MB. Free memory was 97.7MB in the beginning and 76.7MB in the end (delta: 21.0MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2023-11-19 04:07:38,362 INFO L158 Benchmark]: CodeCheck took 38281.30ms. Allocated memory was 163.6MB in the beginning and 562.0MB in the end (delta: 398.5MB). Free memory was 76.7MB in the beginning and 232.9MB in the end (delta: -156.2MB). Peak memory consumption was 243.2MB. Max. memory is 16.1GB. [2023-11-19 04:07:38,363 INFO L158 Benchmark]: Witness Printer took 265.74ms. Allocated memory is still 562.0MB. Free memory was 232.9MB in the beginning and 222.5MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:07:38,366 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, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 38.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 225 IncrementalHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 5 mSDtfsCounter, 225 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 466 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 34.4s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 1140 SizeOfPredicates, 20 NumberOfNonLiveVariables, 273 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 127/156 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: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: 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 0.40ms. Allocated memory is still 115.3MB. Free memory was 83.1MB in the beginning and 83.1MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.59ms. Allocated memory is still 163.6MB. Free memory was 119.8MB in the beginning and 105.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.25ms. Allocated memory is still 163.6MB. Free memory was 105.0MB in the beginning and 100.9MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.30ms. Allocated memory is still 163.6MB. Free memory was 100.9MB in the beginning and 97.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1953.11ms. Allocated memory is still 163.6MB. Free memory was 97.7MB in the beginning and 76.7MB in the end (delta: 21.0MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. * CodeCheck took 38281.30ms. Allocated memory was 163.6MB in the beginning and 562.0MB in the end (delta: 398.5MB). Free memory was 76.7MB in the beginning and 232.9MB in the end (delta: -156.2MB). Peak memory consumption was 243.2MB. Max. memory is 16.1GB. * Witness Printer took 265.74ms. Allocated memory is still 562.0MB. Free memory was 232.9MB in the beginning and 222.5MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 04:07:38,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_022750c2-8eb6-4f28-84e4-f177a208b6e4/bin/ukojak-verify-G8NBE6pJGL/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