./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --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 4d98b743606513f831b0c11a7a0f14d9c6aeb2efbb7fa03be80b69c46d40fb39 ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:12:24,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:12:24,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:12:24,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:12:24,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:12:24,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:12:24,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:12:24,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:12:24,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:12:24,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:12:24,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:12:24,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:12:24,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:12:24,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:12:24,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:12:24,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:12:24,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:12:24,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:12:24,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:12:24,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:12:24,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:12:24,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:12:24,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:12:24,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:12:24,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:12:24,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:12:24,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:12:24,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:12:24,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:12:24,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:12:24,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:12:24,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:12:24,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:12:24,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:12:24,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:12:24,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:12:24,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:12:24,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:12:24,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:12:24,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:12:24,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:12:24,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:12:24,365 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:12:24,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:12:24,366 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:12:24,367 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:12:24,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:12:24,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:12:24,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:12:24,368 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:12:24,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:12:24,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:12:24,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:12:24,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:12:24,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:12:24,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:12:24,377 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:12:24,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:12:24,378 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:12:24,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:12:24,378 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:12:24,378 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:12:24,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:12:24,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:12:24,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:12:24,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:12:24,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:12:24,380 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:12:24,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:12:24,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:12:24,381 INFO L138 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_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d98b743606513f831b0c11a7a0f14d9c6aeb2efbb7fa03be80b69c46d40fb39 [2021-10-29 04:12:24,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:12:24,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:12:24,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:12:24,689 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:12:24,690 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:12:24,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c [2021-10-29 04:12:24,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI/data/54836a649/549708d5b8cb49c096074e1fe237ba8c/FLAGac742e6b9 [2021-10-29 04:12:25,265 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:12:25,266 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c [2021-10-29 04:12:25,283 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI/data/54836a649/549708d5b8cb49c096074e1fe237ba8c/FLAGac742e6b9 [2021-10-29 04:12:25,655 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI/data/54836a649/549708d5b8cb49c096074e1fe237ba8c [2021-10-29 04:12:25,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:12:25,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:12:25,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:12:25,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:12:25,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:12:25,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:12:25" (1/1) ... [2021-10-29 04:12:25,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e49e410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:25, skipping insertion in model container [2021-10-29 04:12:25,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:12:25" (1/1) ... [2021-10-29 04:12:25,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:12:25,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:12:25,875 WARN L228 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_c34cb46d-4016-40d1-9f7a-47f67a632b51/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c[525,538] [2021-10-29 04:12:25,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:12:25,898 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:12:25,909 WARN L228 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_c34cb46d-4016-40d1-9f7a-47f67a632b51/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c[525,538] [2021-10-29 04:12:25,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:12:25,928 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:12:25,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:25 WrapperNode [2021-10-29 04:12:25,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:12:25,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:12:25,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:12:25,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:12:25,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:25" (1/1) ... [2021-10-29 04:12:25,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:25" (1/1) ... [2021-10-29 04:12:25,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:12:25,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:12:25,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:12:25,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:12:25,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:25" (1/1) ... [2021-10-29 04:12:25,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:25" (1/1) ... [2021-10-29 04:12:25,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:25" (1/1) ... [2021-10-29 04:12:25,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:25" (1/1) ... [2021-10-29 04:12:25,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:25" (1/1) ... [2021-10-29 04:12:25,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:25" (1/1) ... [2021-10-29 04:12:25,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:25" (1/1) ... [2021-10-29 04:12:25,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:12:25,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:12:25,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:12:25,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:12:25,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:25" (1/1) ... [2021-10-29 04:12:25,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:12:26,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:12:26,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:12:26,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:12:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 04:12:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 04:12:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:12:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:12:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:12:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:12:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 04:12:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 04:12:26,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:12:26,425 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:12:26,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:12:26 BoogieIcfgContainer [2021-10-29 04:12:26,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:12:26,428 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:12:26,429 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:12:26,439 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:12:26,440 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:12:26" (1/1) ... [2021-10-29 04:12:26,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:12:26,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:12:26,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-10-29 04:12:26,489 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-10-29 04:12:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:12:26,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:12:26,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:12:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:12:26,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 04:12:26,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:12:27,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:12:27,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:12:27,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 32 transitions. [2021-10-29 04:12:27,503 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-10-29 04:12:27,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 04:12:27,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:12:27,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:12:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:12:27,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:12:27,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:12:27,825 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 04:12:28,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:12:28,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 38 transitions. [2021-10-29 04:12:28,102 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2021-10-29 04:12:28,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 04:12:28,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:12:28,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:12:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:12:28,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:12:28,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:12:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:12:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:12:28,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 19 states and 21 transitions. [2021-10-29 04:12:28,932 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-10-29 04:12:28,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:12:28,933 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2021-10-29 04:12:28,942 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:12:29,043 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:12:29,047 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:12:29,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:12:29 ImpRootNode [2021-10-29 04:12:29,047 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:12:29,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:12:29,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:12:29,049 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:12:29,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:12:26" (3/4) ... [2021-10-29 04:12:29,052 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:12:29,058 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-10-29 04:12:29,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 04:12:29,063 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-29 04:12:29,063 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 04:12:29,063 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:12:29,064 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:12:29,107 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:12:29,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:12:29,109 INFO L168 Benchmark]: Toolchain (without parser) took 3449.21 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 63.7 MB in the beginning and 53.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:29,110 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory was 68.8 MB in the beginning and 68.8 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:12:29,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.29 ms. Allocated memory is still 98.6 MB. Free memory was 63.4 MB in the beginning and 73.5 MB in the end (delta: -10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:29,112 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.02 ms. Allocated memory is still 98.6 MB. Free memory was 73.5 MB in the beginning and 72.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:29,112 INFO L168 Benchmark]: Boogie Preprocessor took 21.91 ms. Allocated memory is still 98.6 MB. Free memory was 72.2 MB in the beginning and 71.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:29,113 INFO L168 Benchmark]: RCFGBuilder took 439.74 ms. Allocated memory is still 98.6 MB. Free memory was 71.0 MB in the beginning and 59.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:29,114 INFO L168 Benchmark]: CodeCheck took 2619.13 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 59.7 MB in the beginning and 56.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:29,114 INFO L168 Benchmark]: Witness Printer took 59.43 ms. Allocated memory is still 119.5 MB. Free memory was 56.5 MB in the beginning and 53.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:29,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 100 SDtfs, 54 SDslu, 48 SDs, 0 SdLazy, 306 SolverSat, 104 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 557 GetRequests, 513 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 236 SizeOfPredicates, 6 NumberOfNonLiveVariables, 276 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 21/24 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: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory was 68.8 MB in the beginning and 68.8 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 268.29 ms. Allocated memory is still 98.6 MB. Free memory was 63.4 MB in the beginning and 73.5 MB in the end (delta: -10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.02 ms. Allocated memory is still 98.6 MB. Free memory was 73.5 MB in the beginning and 72.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.91 ms. Allocated memory is still 98.6 MB. Free memory was 72.2 MB in the beginning and 71.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 439.74 ms. Allocated memory is still 98.6 MB. Free memory was 71.0 MB in the beginning and 59.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 2619.13 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 59.7 MB in the beginning and 56.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. * Witness Printer took 59.43 ms. Allocated memory is still 119.5 MB. Free memory was 56.5 MB in the beginning and 53.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:12:29,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34cb46d-4016-40d1-9f7a-47f67a632b51/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...