./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.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_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/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_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/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_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/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 6c385b852b90f82574c09ce3a5a40d3e4c1ceeeb1354f53e9c25575a34d805b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:44:25,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:44:25,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:44:25,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:44:25,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:44:25,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:44:25,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:44:25,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:44:25,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:44:25,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:44:25,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:44:25,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:44:25,367 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:44:25,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:44:25,370 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:44:25,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:44:25,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:44:25,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:44:25,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:44:25,372 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:44:25,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:44:25,373 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:44:25,374 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:44:25,374 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:44:25,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:44:25,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:25,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:44:25,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:44:25,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:44:25,378 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:44:25,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:44:25,380 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:44:25,381 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_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c385b852b90f82574c09ce3a5a40d3e4c1ceeeb1354f53e9c25575a34d805b6 [2023-11-11 23:44:25,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:44:25,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:44:25,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:44:25,714 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:44:25,715 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:44:25,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i [2023-11-11 23:44:28,813 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:44:29,030 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:44:29,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i [2023-11-11 23:44:29,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/bin/ukojak-verify-0OAaufAVZV/data/fe4ae7df3/7b044a185ac8477b9d5a86d487828166/FLAGe4e40d76c [2023-11-11 23:44:29,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/bin/ukojak-verify-0OAaufAVZV/data/fe4ae7df3/7b044a185ac8477b9d5a86d487828166 [2023-11-11 23:44:29,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:44:29,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:44:29,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:29,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:44:29,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:44:29,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:29" (1/1) ... [2023-11-11 23:44:29,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fcb580b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:29, skipping insertion in model container [2023-11-11 23:44:29,076 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:29" (1/1) ... [2023-11-11 23:44:29,110 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:44:29,316 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_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i[916,929] [2023-11-11 23:44:29,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:29,412 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:44:29,424 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_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i[916,929] [2023-11-11 23:44:29,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:29,480 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:44:29,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:29 WrapperNode [2023-11-11 23:44:29,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:29,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:29,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:44:29,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:44:29,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:29" (1/1) ... [2023-11-11 23:44:29,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:29" (1/1) ... [2023-11-11 23:44:29,545 INFO L138 Inliner]: procedures = 26, calls = 126, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 308 [2023-11-11 23:44:29,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:29,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:44:29,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:44:29,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:44:29,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:29" (1/1) ... [2023-11-11 23:44:29,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:29" (1/1) ... [2023-11-11 23:44:29,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:29" (1/1) ... [2023-11-11 23:44:29,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:29" (1/1) ... [2023-11-11 23:44:29,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:29" (1/1) ... [2023-11-11 23:44:29,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:29" (1/1) ... [2023-11-11 23:44:29,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:29" (1/1) ... [2023-11-11 23:44:29,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:29" (1/1) ... [2023-11-11 23:44:29,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:44:29,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:44:29,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:44:29,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:44:29,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:29" (1/1) ... [2023-11-11 23:44:29,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:29,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:44:29,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:44:29,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:44:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:44:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:44:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:44:29,680 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:44:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:44:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:44:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:44:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:44:29,797 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:44:29,800 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:44:30,292 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:44:30,853 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:44:30,853 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:44:30,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:30 BoogieIcfgContainer [2023-11-11 23:44:30,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:44:30,860 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:44:30,860 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:44:30,871 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:44:30,871 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:30" (1/1) ... [2023-11-11 23:44:30,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:44:30,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:30,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2023-11-11 23:44:30,947 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2023-11-11 23:44:30,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-11 23:44:30,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:30,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:32,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 110 conjunts are in the unsatisfiable core [2023-11-11 23:44:32,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:32,642 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:44:32,644 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 78 treesize of output 59 [2023-11-11 23:44:33,037 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 56 [2023-11-11 23:44:33,505 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 68 [2023-11-11 23:44:34,246 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 85 [2023-11-11 23:44:35,199 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 102 [2023-11-11 23:44:36,384 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:44:36,384 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 138 treesize of output 119 [2023-11-11 23:44:36,849 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:44:36,850 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 138 treesize of output 119 [2023-11-11 23:44:37,442 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:44:37,443 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 138 treesize of output 119 [2023-11-11 23:44:38,106 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:44:38,107 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 138 treesize of output 110 [2023-11-11 23:44:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 173 proven. 101 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-11 23:44:46,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:46,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 81 states and 168 transitions. [2023-11-11 23:44:46,771 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 168 transitions. [2023-11-11 23:44:46,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:44:46,776 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-11 23:44:46,786 INFO L753 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-11 23:44:46,814 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:44:46,820 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:44:46,822 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:44:46,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:44:46 ImpRootNode [2023-11-11 23:44:46,824 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:44:46,825 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:44:46,825 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:44:46,826 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:44:46,826 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:30" (3/4) ... [2023-11-11 23:44:46,829 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:44:46,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-11 23:44:46,858 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2023-11-11 23:44:46,859 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-11 23:44:46,861 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-11 23:44:46,862 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:44:47,063 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:44:47,064 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:44:47,064 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:44:47,065 INFO L158 Benchmark]: Toolchain (without parser) took 17997.21ms. Allocated memory was 159.4MB in the beginning and 337.6MB in the end (delta: 178.3MB). Free memory was 112.1MB in the beginning and 119.6MB in the end (delta: -7.5MB). Peak memory consumption was 171.7MB. Max. memory is 16.1GB. [2023-11-11 23:44:47,065 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:44:47,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.37ms. Allocated memory is still 159.4MB. Free memory was 112.1MB in the beginning and 97.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:44:47,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.50ms. Allocated memory is still 159.4MB. Free memory was 97.4MB in the beginning and 94.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:44:47,067 INFO L158 Benchmark]: Boogie Preprocessor took 47.42ms. Allocated memory is still 159.4MB. Free memory was 94.4MB in the beginning and 92.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:44:47,067 INFO L158 Benchmark]: RCFGBuilder took 1264.37ms. Allocated memory is still 159.4MB. Free memory was 92.1MB in the beginning and 98.1MB in the end (delta: -6.1MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2023-11-11 23:44:47,067 INFO L158 Benchmark]: CodeCheck took 15964.51ms. Allocated memory was 159.4MB in the beginning and 337.6MB in the end (delta: 178.3MB). Free memory was 98.1MB in the beginning and 128.9MB in the end (delta: -30.8MB). Peak memory consumption was 148.4MB. Max. memory is 16.1GB. [2023-11-11 23:44:47,068 INFO L158 Benchmark]: Witness Printer took 239.06ms. Allocated memory is still 337.6MB. Free memory was 128.9MB in the beginning and 119.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-11 23:44:47,071 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, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.9s, 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, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 244 IncrementalHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 57 mSDtfsCounter, 244 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 610 GetRequests, 556 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 774 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 7130 SizeOfPredicates, 25 NumberOfNonLiveVariables, 341 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 205/306 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: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: 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 0.35ms. Allocated memory is still 121.6MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.37ms. Allocated memory is still 159.4MB. Free memory was 112.1MB in the beginning and 97.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.50ms. Allocated memory is still 159.4MB. Free memory was 97.4MB in the beginning and 94.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.42ms. Allocated memory is still 159.4MB. Free memory was 94.4MB in the beginning and 92.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1264.37ms. Allocated memory is still 159.4MB. Free memory was 92.1MB in the beginning and 98.1MB in the end (delta: -6.1MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * CodeCheck took 15964.51ms. Allocated memory was 159.4MB in the beginning and 337.6MB in the end (delta: 178.3MB). Free memory was 98.1MB in the beginning and 128.9MB in the end (delta: -30.8MB). Peak memory consumption was 148.4MB. Max. memory is 16.1GB. * Witness Printer took 239.06ms. Allocated memory is still 337.6MB. Free memory was 128.9MB in the beginning and 119.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:44:47,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d4aae9-99a1-4b86-8e79-6afcaa458d66/bin/ukojak-verify-0OAaufAVZV/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