./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.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_a040e052-ea5b-402c-b712-ec688e88be1e/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a040e052-ea5b-402c-b712-ec688e88be1e/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_a040e052-ea5b-402c-b712-ec688e88be1e/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a040e052-ea5b-402c-b712-ec688e88be1e/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a040e052-ea5b-402c-b712-ec688e88be1e/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_a040e052-ea5b-402c-b712-ec688e88be1e/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 b61db512cc77bff784b3cdbd5d852c5dc364bdc7776dcbb3369c7c75ae1fb315 ................................................................................................................................................................................................................................................................................. 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 03:29:21,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:29:21,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:29:21,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:29:21,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:29:21,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:29:21,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:29:21,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:29:21,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:29:21,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:29:21,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:29:21,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:29:21,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:29:21,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:29:21,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:29:21,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:29:21,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:29:21,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:29:21,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:29:21,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:29:21,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:29:21,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:29:21,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:29:21,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:29:21,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:29:21,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:29:21,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:29:21,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:29:21,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:29:21,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:29:21,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:29:21,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:29:21,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:29:21,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:29:21,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:29:21,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:29:21,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:29:21,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:29:21,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:29:21,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:29:21,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:29:21,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a040e052-ea5b-402c-b712-ec688e88be1e/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:29:21,490 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:29:21,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:29:21,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:29:21,491 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:29:21,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:29:21,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:29:21,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:29:21,493 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:29:21,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:29:21,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:29:21,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:29:21,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:29:21,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:29:21,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:29:21,494 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:29:21,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:29:21,495 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:29:21,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:29:21,495 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:29:21,495 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:29:21,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:29:21,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:29:21,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:29:21,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:29:21,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:29:21,496 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:29:21,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:29:21,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:29:21,497 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_a040e052-ea5b-402c-b712-ec688e88be1e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a040e052-ea5b-402c-b712-ec688e88be1e/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61db512cc77bff784b3cdbd5d852c5dc364bdc7776dcbb3369c7c75ae1fb315 [2021-10-29 03:29:21,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:29:21,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:29:21,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:29:21,839 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:29:21,840 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:29:21,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a040e052-ea5b-402c-b712-ec688e88be1e/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.c [2021-10-29 03:29:21,924 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a040e052-ea5b-402c-b712-ec688e88be1e/bin/ukojak-Rh5K9KB4LI/data/6c90104d3/0f5999ae70c24650ad9c51fe7362d0e3/FLAG51fde58b3 [2021-10-29 03:29:22,547 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:29:22,548 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a040e052-ea5b-402c-b712-ec688e88be1e/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.c [2021-10-29 03:29:22,562 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a040e052-ea5b-402c-b712-ec688e88be1e/bin/ukojak-Rh5K9KB4LI/data/6c90104d3/0f5999ae70c24650ad9c51fe7362d0e3/FLAG51fde58b3 [2021-10-29 03:29:22,914 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a040e052-ea5b-402c-b712-ec688e88be1e/bin/ukojak-Rh5K9KB4LI/data/6c90104d3/0f5999ae70c24650ad9c51fe7362d0e3 [2021-10-29 03:29:22,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:29:22,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:29:22,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:29:22,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:29:22,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:29:22,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:29:22" (1/1) ... [2021-10-29 03:29:22,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b67dab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:22, skipping insertion in model container [2021-10-29 03:29:22,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:29:22" (1/1) ... [2021-10-29 03:29:22,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:29:22,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:29:23,135 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_a040e052-ea5b-402c-b712-ec688e88be1e/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.c[546,559] [2021-10-29 03:29:23,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:29:23,162 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:29:23,175 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_a040e052-ea5b-402c-b712-ec688e88be1e/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.c[546,559] [2021-10-29 03:29:23,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:29:23,193 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:29:23,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:23 WrapperNode [2021-10-29 03:29:23,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:29:23,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:29:23,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:29:23,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:29:23,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:23" (1/1) ... [2021-10-29 03:29:23,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:23" (1/1) ... [2021-10-29 03:29:23,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:29:23,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:29:23,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:29:23,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:29:23,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:23" (1/1) ... [2021-10-29 03:29:23,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:23" (1/1) ... [2021-10-29 03:29:23,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:23" (1/1) ... [2021-10-29 03:29:23,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:23" (1/1) ... [2021-10-29 03:29:23,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:23" (1/1) ... [2021-10-29 03:29:23,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:23" (1/1) ... [2021-10-29 03:29:23,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:23" (1/1) ... [2021-10-29 03:29:23,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:29:23,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:29:23,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:29:23,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:29:23,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:23" (1/1) ... [2021-10-29 03:29:23,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:29:23,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a040e052-ea5b-402c-b712-ec688e88be1e/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:29:23,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a040e052-ea5b-402c-b712-ec688e88be1e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:29:23,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a040e052-ea5b-402c-b712-ec688e88be1e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:29:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 03:29:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 03:29:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:29:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:29:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:29:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:29:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:29:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:29:23,648 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:29:23,649 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:29:23,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:29:23 BoogieIcfgContainer [2021-10-29 03:29:23,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:29:23,653 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:29:23,653 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:29:23,677 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:29:23,677 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:29:23" (1/1) ... [2021-10-29 03:29:23,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:29:23,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:23,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2021-10-29 03:29:23,763 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2021-10-29 03:29:23,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:29:23,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:23,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:29:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-10-29 03:29:23,979 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-10-29 03:29:23,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:29:23,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:23,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:24,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 03:29:24,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:29:24,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:29:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:24,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 33 transitions. [2021-10-29 03:29:24,527 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2021-10-29 03:29:24,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:29:24,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:24,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:24,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 03:29:24,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:29:24,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:29:25,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:25,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 36 transitions. [2021-10-29 03:29:25,137 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2021-10-29 03:29:25,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:29:25,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:25,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:25,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-29 03:29:25,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:29:25,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:29:25,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:25,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 44 transitions. [2021-10-29 03:29:25,886 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2021-10-29 03:29:25,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:29:25,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:25,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:26,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 03:29:26,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:29:26,321 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:29:26,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:26,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 51 transitions. [2021-10-29 03:29:26,681 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2021-10-29 03:29:26,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:29:26,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:26,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:26,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:29:26,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:29:27,909 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:29:41,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:41,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 27 states and 37 transitions. [2021-10-29 03:29:41,528 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-29 03:29:41,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:29:41,529 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2021-10-29 03:29:41,535 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:29:41,645 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:29:41,648 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:29:41,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:29:41 ImpRootNode [2021-10-29 03:29:41,649 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:29:41,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:29:41,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:29:41,651 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:29:41,652 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:29:23" (3/4) ... [2021-10-29 03:29:41,655 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:29:41,661 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-10-29 03:29:41,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 03:29:41,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-29 03:29:41,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 03:29:41,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:29:41,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:29:41,733 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a040e052-ea5b-402c-b712-ec688e88be1e/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:29:41,733 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:29:41,735 INFO L168 Benchmark]: Toolchain (without parser) took 18815.56 ms. Allocated memory was 117.4 MB in the beginning and 165.7 MB in the end (delta: 48.2 MB). Free memory was 87.7 MB in the beginning and 70.9 MB in the end (delta: 16.7 MB). Peak memory consumption was 65.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:41,736 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 117.4 MB. Free memory is still 73.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:29:41,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.70 ms. Allocated memory was 117.4 MB in the beginning and 165.7 MB in the end (delta: 48.2 MB). Free memory was 87.3 MB in the beginning and 139.1 MB in the end (delta: -51.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:41,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.83 ms. Allocated memory is still 165.7 MB. Free memory was 139.1 MB in the beginning and 137.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:41,740 INFO L168 Benchmark]: Boogie Preprocessor took 33.68 ms. Allocated memory is still 165.7 MB. Free memory was 137.5 MB in the beginning and 136.6 MB in the end (delta: 934.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:29:41,741 INFO L168 Benchmark]: RCFGBuilder took 377.97 ms. Allocated memory is still 165.7 MB. Free memory was 136.6 MB in the beginning and 124.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:41,742 INFO L168 Benchmark]: CodeCheck took 17996.03 ms. Allocated memory is still 165.7 MB. Free memory was 124.4 MB in the beginning and 72.9 MB in the end (delta: 51.5 MB). Peak memory consumption was 54.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:41,743 INFO L168 Benchmark]: Witness Printer took 82.93 ms. Allocated memory is still 165.7 MB. Free memory was 72.9 MB in the beginning and 70.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:41,745 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1056 SDtfs, 332 SDslu, 318 SDs, 0 SdLazy, 2064 SolverSat, 670 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 973 GetRequests, 891 SyntacticMatches, 20 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 110 ConstructedInterpolants, 1 QuantifiedInterpolants, 504 SizeOfPredicates, 11 NumberOfNonLiveVariables, 442 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 28/37 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: 18]: 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: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 117.4 MB. Free memory is still 73.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 273.70 ms. Allocated memory was 117.4 MB in the beginning and 165.7 MB in the end (delta: 48.2 MB). Free memory was 87.3 MB in the beginning and 139.1 MB in the end (delta: -51.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.83 ms. Allocated memory is still 165.7 MB. Free memory was 139.1 MB in the beginning and 137.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.68 ms. Allocated memory is still 165.7 MB. Free memory was 137.5 MB in the beginning and 136.6 MB in the end (delta: 934.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 377.97 ms. Allocated memory is still 165.7 MB. Free memory was 136.6 MB in the beginning and 124.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 17996.03 ms. Allocated memory is still 165.7 MB. Free memory was 124.4 MB in the beginning and 72.9 MB in the end (delta: 51.5 MB). Peak memory consumption was 54.1 MB. Max. memory is 16.1 GB. * Witness Printer took 82.93 ms. Allocated memory is still 165.7 MB. Free memory was 72.9 MB in the beginning and 70.9 MB in the end (delta: 2.0 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 03:29:41,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a040e052-ea5b-402c-b712-ec688e88be1e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...