./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.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_80c395e3-d51b-43d3-8d33-792a0ca2ae59/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c395e3-d51b-43d3-8d33-792a0ca2ae59/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_80c395e3-d51b-43d3-8d33-792a0ca2ae59/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c395e3-d51b-43d3-8d33-792a0ca2ae59/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c395e3-d51b-43d3-8d33-792a0ca2ae59/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_80c395e3-d51b-43d3-8d33-792a0ca2ae59/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 49f2ec108c5a903d6fb66450b34a24ed5e1ae616285117448a3e267ae2f349bb ............................................................................................................................................................................................................................................................... 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 04:09:10,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:09:10,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:09:10,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:09:10,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:09:10,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:09:10,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:09:10,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:09:10,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:09:10,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:09:10,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:09:10,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:09:10,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:09:10,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:09:10,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:09:10,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:09:10,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:09:10,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:09:10,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:09:10,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:09:10,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:09:10,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:09:10,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:09:10,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:09:10,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:09:10,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:09:10,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:09:10,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:09:10,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:09:10,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:09:10,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:09:10,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:09:10,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:09:10,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:09:10,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:09:10,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:09:10,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:09:10,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:09:10,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:09:10,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:09:10,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:09:10,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c395e3-d51b-43d3-8d33-792a0ca2ae59/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:09:10,337 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:09:10,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:09:10,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:09:10,339 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:09:10,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:09:10,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:09:10,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:09:10,340 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:09:10,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:09:10,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:09:10,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:09:10,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:09:10,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:09:10,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:09:10,342 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:09:10,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:09:10,342 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:09:10,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:09:10,343 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:09:10,343 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:09:10,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:09:10,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:09:10,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:09:10,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:09:10,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:09:10,344 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:09:10,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:09:10,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:09:10,345 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_80c395e3-d51b-43d3-8d33-792a0ca2ae59/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c395e3-d51b-43d3-8d33-792a0ca2ae59/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49f2ec108c5a903d6fb66450b34a24ed5e1ae616285117448a3e267ae2f349bb [2021-10-29 04:09:10,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:09:10,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:09:10,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:09:10,681 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:09:10,682 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:09:10,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c395e3-d51b-43d3-8d33-792a0ca2ae59/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c [2021-10-29 04:09:10,751 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c395e3-d51b-43d3-8d33-792a0ca2ae59/bin/ukojak-Rh5K9KB4LI/data/96501ff70/4b474737ecfc470faf61c08cd5b4b677/FLAG79071bfe3 [2021-10-29 04:09:11,289 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:09:11,289 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c395e3-d51b-43d3-8d33-792a0ca2ae59/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c [2021-10-29 04:09:11,299 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c395e3-d51b-43d3-8d33-792a0ca2ae59/bin/ukojak-Rh5K9KB4LI/data/96501ff70/4b474737ecfc470faf61c08cd5b4b677/FLAG79071bfe3 [2021-10-29 04:09:11,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c395e3-d51b-43d3-8d33-792a0ca2ae59/bin/ukojak-Rh5K9KB4LI/data/96501ff70/4b474737ecfc470faf61c08cd5b4b677 [2021-10-29 04:09:11,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:09:11,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:09:11,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:09:11,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:09:11,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:09:11,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:09:11" (1/1) ... [2021-10-29 04:09:11,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388a2fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:11, skipping insertion in model container [2021-10-29 04:09:11,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:09:11" (1/1) ... [2021-10-29 04:09:11,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:09:11,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:09:11,926 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_80c395e3-d51b-43d3-8d33-792a0ca2ae59/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c[525,538] [2021-10-29 04:09:11,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:09:11,967 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:09:11,980 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_80c395e3-d51b-43d3-8d33-792a0ca2ae59/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c[525,538] [2021-10-29 04:09:11,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:09:12,011 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:09:12,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:12 WrapperNode [2021-10-29 04:09:12,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:09:12,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:09:12,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:09:12,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:09:12,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:12" (1/1) ... [2021-10-29 04:09:12,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:12" (1/1) ... [2021-10-29 04:09:12,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:09:12,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:09:12,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:09:12,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:09:12,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:12" (1/1) ... [2021-10-29 04:09:12,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:12" (1/1) ... [2021-10-29 04:09:12,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:12" (1/1) ... [2021-10-29 04:09:12,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:12" (1/1) ... [2021-10-29 04:09:12,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:12" (1/1) ... [2021-10-29 04:09:12,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:12" (1/1) ... [2021-10-29 04:09:12,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:12" (1/1) ... [2021-10-29 04:09:12,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:09:12,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:09:12,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:09:12,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:09:12,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:12" (1/1) ... [2021-10-29 04:09:12,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:09:12,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c395e3-d51b-43d3-8d33-792a0ca2ae59/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:09:12,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c395e3-d51b-43d3-8d33-792a0ca2ae59/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:09:12,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c395e3-d51b-43d3-8d33-792a0ca2ae59/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:09:12,179 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 04:09:12,179 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 04:09:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:09:12,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:09:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:09:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:09:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 04:09:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 04:09:12,477 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:09:12,477 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:09:12,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:09:12 BoogieIcfgContainer [2021-10-29 04:09:12,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:09:12,480 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:09:12,481 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:09:12,504 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:09:12,505 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:09:12" (1/1) ... [2021-10-29 04:09:12,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:09:12,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:12,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-10-29 04:09:12,576 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-10-29 04:09:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:09:12,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:12,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:12,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 04:09:12,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:09:13,020 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 04:09:13,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:13,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 29 transitions. [2021-10-29 04:09:13,199 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2021-10-29 04:09:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:09:13,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:13,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:13,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:09:13,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:09:13,451 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 04:09:13,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:13,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 35 transitions. [2021-10-29 04:09:13,722 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-10-29 04:09:13,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 04:09:13,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:13,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:13,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 04:09:13,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:09:14,046 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:09:14,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:14,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 42 transitions. [2021-10-29 04:09:14,598 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2021-10-29 04:09:14,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:09:14,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:14,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:14,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 04:09:14,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:09:14,913 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:09:16,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 20 states and 23 transitions. [2021-10-29 04:09:16,458 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-10-29 04:09:16,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:09:16,459 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-10-29 04:09:16,463 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:09:16,540 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:09:16,543 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:09:16,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:09:16 ImpRootNode [2021-10-29 04:09:16,543 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:09:16,544 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:09:16,544 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:09:16,544 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:09:16,545 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:09:12" (3/4) ... [2021-10-29 04:09:16,547 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:09:16,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-10-29 04:09:16,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 04:09:16,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-29 04:09:16,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 04:09:16,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:09:16,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:09:16,597 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c395e3-d51b-43d3-8d33-792a0ca2ae59/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:09:16,597 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:09:16,599 INFO L168 Benchmark]: Toolchain (without parser) took 4933.02 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 60.2 MB in the beginning and 95.8 MB in the end (delta: -35.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:09:16,600 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory was 77.0 MB in the beginning and 76.9 MB in the end (delta: 78.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:09:16,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.05 ms. Allocated memory is still 98.6 MB. Free memory was 60.1 MB in the beginning and 74.1 MB in the end (delta: -14.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:16,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.22 ms. Allocated memory is still 98.6 MB. Free memory was 74.1 MB in the beginning and 72.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:16,601 INFO L168 Benchmark]: Boogie Preprocessor took 39.46 ms. Allocated memory is still 98.6 MB. Free memory was 72.6 MB in the beginning and 71.7 MB in the end (delta: 970.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:09:16,602 INFO L168 Benchmark]: RCFGBuilder took 385.46 ms. Allocated memory is still 98.6 MB. Free memory was 71.7 MB in the beginning and 60.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:16,603 INFO L168 Benchmark]: CodeCheck took 4062.97 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 60.7 MB in the beginning and 98.9 MB in the end (delta: -38.3 MB). Peak memory consumption was 54.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:16,603 INFO L168 Benchmark]: Witness Printer took 53.51 ms. Allocated memory is still 123.7 MB. Free memory was 98.9 MB in the beginning and 95.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:16,607 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 176 SDtfs, 102 SDslu, 104 SDs, 0 SdLazy, 578 SolverSat, 192 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 709 GetRequests, 648 SyntacticMatches, 9 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 732 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 320 SizeOfPredicates, 8 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 23/29 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: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory was 77.0 MB in the beginning and 76.9 MB in the end (delta: 78.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 329.05 ms. Allocated memory is still 98.6 MB. Free memory was 60.1 MB in the beginning and 74.1 MB in the end (delta: -14.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.22 ms. Allocated memory is still 98.6 MB. Free memory was 74.1 MB in the beginning and 72.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.46 ms. Allocated memory is still 98.6 MB. Free memory was 72.6 MB in the beginning and 71.7 MB in the end (delta: 970.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 385.46 ms. Allocated memory is still 98.6 MB. Free memory was 71.7 MB in the beginning and 60.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 4062.97 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 60.7 MB in the beginning and 98.9 MB in the end (delta: -38.3 MB). Peak memory consumption was 54.0 MB. Max. memory is 16.1 GB. * Witness Printer took 53.51 ms. Allocated memory is still 123.7 MB. Free memory was 98.9 MB in the beginning and 95.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:09:16,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80c395e3-d51b-43d3-8d33-792a0ca2ae59/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...