./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9 --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 4fa328083b1d4aa3a21868494aa94d1f433f55ced0b8b3227cc831ea530b809d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:17:38,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:17:38,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:17:38,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:17:38,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:17:38,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:17:38,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:17:38,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:17:38,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:17:38,937 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:17:38,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:17:38,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:17:38,939 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:17:38,940 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:17:38,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:17:38,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:17:38,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:17:38,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:17:38,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:17:38,949 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:17:38,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:17:38,950 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:17:38,951 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:17:38,951 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:17:38,952 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:17:38,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:17:38,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:17:38,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:17:38,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:17:38,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:17:38,954 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:17:38,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:17:38,955 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:17:38,955 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_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa328083b1d4aa3a21868494aa94d1f433f55ced0b8b3227cc831ea530b809d [2023-12-03 01:17:39,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:17:39,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:17:39,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:17:39,186 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:17:39,186 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:17:39,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-84.i [2023-12-03 01:17:41,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:17:42,135 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:17:42,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-84.i [2023-12-03 01:17:42,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9/data/772cce948/4f6f5cc256da424ca7cec4aafc38b873/FLAG546252093 [2023-12-03 01:17:42,157 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9/data/772cce948/4f6f5cc256da424ca7cec4aafc38b873 [2023-12-03 01:17:42,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:17:42,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:17:42,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:17:42,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:17:42,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:17:42,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:17:42" (1/1) ... [2023-12-03 01:17:42,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7c39e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:42, skipping insertion in model container [2023-12-03 01:17:42,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:17:42" (1/1) ... [2023-12-03 01:17:42,194 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:17:42,315 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_d0337ca4-b493-4875-bacc-e00655b4d87f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-84.i[916,929] [2023-12-03 01:17:42,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:17:42,386 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:17:42,396 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_d0337ca4-b493-4875-bacc-e00655b4d87f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-84.i[916,929] [2023-12-03 01:17:42,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:17:42,456 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:17:42,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:42 WrapperNode [2023-12-03 01:17:42,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:17:42,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:17:42,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:17:42,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:17:42,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:42" (1/1) ... [2023-12-03 01:17:42,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:42" (1/1) ... [2023-12-03 01:17:42,526 INFO L138 Inliner]: procedures = 29, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 375 [2023-12-03 01:17:42,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:17:42,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:17:42,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:17:42,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:17:42,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:42" (1/1) ... [2023-12-03 01:17:42,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:42" (1/1) ... [2023-12-03 01:17:42,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:42" (1/1) ... [2023-12-03 01:17:42,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:42" (1/1) ... [2023-12-03 01:17:42,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:42" (1/1) ... [2023-12-03 01:17:42,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:42" (1/1) ... [2023-12-03 01:17:42,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:42" (1/1) ... [2023-12-03 01:17:42,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:42" (1/1) ... [2023-12-03 01:17:42,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:17:42,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:17:42,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:17:42,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:17:42,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:42" (1/1) ... [2023-12-03 01:17:42,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:17:42,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:17:42,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:17:42,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:17:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:17:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 01:17:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:17:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 01:17:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:17:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-03 01:17:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:17:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:17:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:17:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:17:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:17:42,797 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:17:42,799 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:17:43,214 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:17:43,600 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:17:43,600 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:17:43,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:17:43 BoogieIcfgContainer [2023-12-03 01:17:43,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:17:43,603 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:17:43,603 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:17:43,613 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:17:43,614 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:17:43" (1/1) ... [2023-12-03 01:17:43,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:17:43,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:43,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2023-12-03 01:17:43,676 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2023-12-03 01:17:43,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 01:17:43,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:43,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:51,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 136 conjunts are in the unsatisfiable core [2023-12-03 01:17:51,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:51,418 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:17:51,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 95 treesize of output 106 [2023-12-03 01:17:52,117 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:17:52,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 104 treesize of output 111 [2023-12-03 01:17:52,560 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:17:52,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 97 treesize of output 101 [2023-12-03 01:17:53,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:17:53,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 99 treesize of output 103 [2023-12-03 01:17:53,497 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:17:53,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 92 treesize of output 93 [2023-12-03 01:17:53,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 90 [2023-12-03 01:17:54,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 95 [2023-12-03 01:17:54,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 97 [2023-12-03 01:17:55,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 104 [2023-12-03 01:17:56,753 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:17:56,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 114 treesize of output 114 [2023-12-03 01:17:59,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 355 treesize of output 313 [2023-12-03 01:18:00,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 318 treesize of output 329 [2023-12-03 01:18:00,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 261 treesize of output 261 [2023-12-03 01:18:12,051 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:18:12,056 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 236 [2023-12-03 01:18:12,203 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:18:12,203 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 01:18:13,697 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 17 proven. 352 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 01:18:19,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-03 01:18:21,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-03 01:18:24,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result VALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-03 01:18:29,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.21s for a HTC check with result VALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-03 01:18:29,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:29,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 89 states and 232 transitions. [2023-12-03 01:18:29,628 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 232 transitions. [2023-12-03 01:18:29,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:18:29,633 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-03 01:18:29,639 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 01:18:29,661 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:18:29,665 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:18:29,665 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:18:29,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:18:29 ImpRootNode [2023-12-03 01:18:29,665 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:18:29,666 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:18:29,666 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:18:29,666 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:18:29,667 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:17:43" (3/4) ... [2023-12-03 01:18:29,668 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:18:29,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 01:18:29,681 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2023-12-03 01:18:29,682 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-03 01:18:29,683 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 01:18:29,684 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:18:29,836 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:18:29,837 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:18:29,837 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:18:29,838 INFO L158 Benchmark]: Toolchain (without parser) took 47676.51ms. Allocated memory was 132.1MB in the beginning and 310.4MB in the end (delta: 178.3MB). Free memory was 87.8MB in the beginning and 126.0MB in the end (delta: -38.2MB). Peak memory consumption was 141.8MB. Max. memory is 16.1GB. [2023-12-03 01:18:29,838 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:18:29,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.58ms. Allocated memory is still 132.1MB. Free memory was 87.5MB in the beginning and 71.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 01:18:29,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.75ms. Allocated memory is still 132.1MB. Free memory was 71.2MB in the beginning and 66.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:18:29,839 INFO L158 Benchmark]: Boogie Preprocessor took 60.84ms. Allocated memory is still 132.1MB. Free memory was 66.5MB in the beginning and 63.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:18:29,839 INFO L158 Benchmark]: RCFGBuilder took 1014.11ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 63.0MB in the beginning and 104.7MB in the end (delta: -41.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-12-03 01:18:29,840 INFO L158 Benchmark]: CodeCheck took 46062.30ms. Allocated memory was 178.3MB in the beginning and 310.4MB in the end (delta: 132.1MB). Free memory was 103.7MB in the beginning and 136.4MB in the end (delta: -32.8MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. [2023-12-03 01:18:29,840 INFO L158 Benchmark]: Witness Printer took 170.84ms. Allocated memory is still 310.4MB. Free memory was 135.4MB in the beginning and 126.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 01:18:29,843 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, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 46.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 12.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 12.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 393 IncrementalHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 5 mSDtfsCounter, 393 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 710 GetRequests, 642 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2002 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 7.2s SatisfiabilityAnalysisTime, 22.6s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 6860 SizeOfPredicates, 29 NumberOfNonLiveVariables, 417 ConjunctsInSsa, 136 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 28/380 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: 126]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: 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 0.22ms. Allocated memory is still 132.1MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.58ms. Allocated memory is still 132.1MB. Free memory was 87.5MB in the beginning and 71.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.75ms. Allocated memory is still 132.1MB. Free memory was 71.2MB in the beginning and 66.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.84ms. Allocated memory is still 132.1MB. Free memory was 66.5MB in the beginning and 63.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1014.11ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 63.0MB in the beginning and 104.7MB in the end (delta: -41.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * CodeCheck took 46062.30ms. Allocated memory was 178.3MB in the beginning and 310.4MB in the end (delta: 132.1MB). Free memory was 103.7MB in the beginning and 136.4MB in the end (delta: -32.8MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. * Witness Printer took 170.84ms. Allocated memory is still 310.4MB. Free memory was 135.4MB in the beginning and 126.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 01:18:29,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0337ca4-b493-4875-bacc-e00655b4d87f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE