./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93ae7f4320aeb5eadc7d42fef8f73afe8e6e658ec54f48f9ad9874df5186017d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:44:47,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:44:47,165 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:44:47,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:44:47,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:44:47,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:44:47,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:44:47,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:44:47,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:44:47,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:44:47,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:44:47,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:44:47,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:44:47,214 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:44:47,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:44:47,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:44:47,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:44:47,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:44:47,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:44:47,216 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:44:47,216 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:44:47,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:44:47,217 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:44:47,217 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:44:47,217 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:44:47,218 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:44:47,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:44:47,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:47,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:44:47,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:44:47,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:44:47,219 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:44:47,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:44:47,219 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93ae7f4320aeb5eadc7d42fef8f73afe8e6e658ec54f48f9ad9874df5186017d [2024-11-08 23:44:47,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:44:47,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:44:47,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:44:47,532 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:44:47,532 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:44:47,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i Unable to find full path for "g++" [2024-11-08 23:44:49,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:44:49,940 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:44:49,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i [2024-11-08 23:44:49,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/data/0612e8b98/d6be335fe5604656895742980452e72b/FLAGfc3129e63 [2024-11-08 23:44:50,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/data/0612e8b98/d6be335fe5604656895742980452e72b [2024-11-08 23:44:50,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:44:50,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:44:50,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:50,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:44:50,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:44:50,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:50" (1/1) ... [2024-11-08 23:44:50,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3684251b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:50, skipping insertion in model container [2024-11-08 23:44:50,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:50" (1/1) ... [2024-11-08 23:44:50,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:44:50,847 WARN L250 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_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i[40784,40797] [2024-11-08 23:44:50,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:50,893 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:44:50,964 WARN L250 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_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i[40784,40797] [2024-11-08 23:44:50,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:51,176 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:44:51,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:51 WrapperNode [2024-11-08 23:44:51,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:51,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:51,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:44:51,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:44:51,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:51" (1/1) ... [2024-11-08 23:44:51,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:51" (1/1) ... [2024-11-08 23:44:51,241 INFO L138 Inliner]: procedures = 452, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 72 [2024-11-08 23:44:51,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:51,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:44:51,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:44:51,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:44:51,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:51" (1/1) ... [2024-11-08 23:44:51,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:51" (1/1) ... [2024-11-08 23:44:51,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:51" (1/1) ... [2024-11-08 23:44:51,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:51" (1/1) ... [2024-11-08 23:44:51,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:51" (1/1) ... [2024-11-08 23:44:51,268 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:51" (1/1) ... [2024-11-08 23:44:51,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:51" (1/1) ... [2024-11-08 23:44:51,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:51" (1/1) ... [2024-11-08 23:44:51,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:44:51,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:44:51,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:44:51,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:44:51,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:51" (1/1) ... [2024-11-08 23:44:51,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:51,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:44:51,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:44:51,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:44:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:44:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:44:51,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:44:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:44:51,524 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:44:51,527 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:44:51,690 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 23:44:51,691 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:44:51,742 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:44:51,742 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:44:51,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:51 BoogieIcfgContainer [2024-11-08 23:44:51,743 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:44:51,744 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:44:51,744 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:44:51,761 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:44:51,761 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:51" (1/1) ... [2024-11-08 23:44:51,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:44:51,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:51,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:44:51,831 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:44:51,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:44:51,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:51,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:44:51,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-08 23:44:52,000 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-08 23:44:52,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:44:52,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:52,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:52,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:44:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:52,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:44:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:52,175 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:44:52,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:44:52 ImpRootNode [2024-11-08 23:44:52,212 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:44:52,212 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:44:52,212 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:44:52,213 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:44:52,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:51" (3/4) ... [2024-11-08 23:44:52,216 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:44:52,217 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:44:52,218 INFO L158 Benchmark]: Toolchain (without parser) took 2034.74ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 114.1MB in the beginning and 121.6MB in the end (delta: -7.5MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:52,219 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 111.1MB. Free memory was 62.7MB in the beginning and 62.5MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:52,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 992.42ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 113.8MB in the beginning and 157.2MB in the end (delta: -43.5MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2024-11-08 23:44:52,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.55ms. Allocated memory is still 190.8MB. Free memory was 156.3MB in the beginning and 154.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:52,221 INFO L158 Benchmark]: Boogie Preprocessor took 31.79ms. Allocated memory is still 190.8MB. Free memory was 154.1MB in the beginning and 153.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:52,222 INFO L158 Benchmark]: RCFGBuilder took 468.67ms. Allocated memory is still 190.8MB. Free memory was 153.0MB in the beginning and 139.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:44:52,222 INFO L158 Benchmark]: CodeCheck took 467.68ms. Allocated memory is still 190.8MB. Free memory was 139.5MB in the beginning and 121.6MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:44:52,223 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 190.8MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:52,226 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 988]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 997, overapproximation of someBinaryArithmeticFLOAToperation at line 1005, overapproximation of someBinaryArithmeticDOUBLEoperation at line 998. Possible FailurePath: [L990] float pi = 3.14159 ; [L1009] int x ; [L1010] float angleInRadian ; [L1011] float phaseLag = pi/2, phaseLead=pi ; [L1012] double sum1=0.0, sum2 = 0.0 ; [L1013] int temp; [L1014] double count=0.0 ; VAL [pi=314159/100000, sum1=0, sum2=0] [L1018] COND TRUE 1 [L1020] x = __VERIFIER_nondet_int() [L1021] CALL assume_abort_if_not(x > -180 && x < 180) [L986] COND FALSE !(!cond) [L1021] RET assume_abort_if_not(x > -180 && x < 180) [L1022] CALL, EXPR radianMeasure(x) [L1005] return (degrees * (pi/180)) ; [L1022] RET, EXPR radianMeasure(x) [L1022] angleInRadian = radianMeasure(x) [L1023] sum2 = sum2 + sin(angleInRadian+2*phaseLead) [L1024] sum1 = sum1 + cos(angleInRadian+phaseLag) [L1026] temp = __VERIFIER_nondet_int() [L1027] count++ VAL [pi=314159/100000, temp=0] [L1028] COND TRUE temp == 0 VAL [pi=314159/100000] [L1031] CALL, EXPR diff(sum1,sum2) [L997] COND TRUE x1 > x2 [L998] return (x1-x2) ; [L1031] RET, EXPR diff(sum1,sum2) [L1031] CALL __VERIFIER_assert(diff(sum1,sum2) <= count) [L988] COND TRUE !(cond) VAL [pi=314159/100000] [L988] reach_error() VAL [pi=314159/100000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 111.1MB. Free memory was 62.7MB in the beginning and 62.5MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 992.42ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 113.8MB in the beginning and 157.2MB in the end (delta: -43.5MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.55ms. Allocated memory is still 190.8MB. Free memory was 156.3MB in the beginning and 154.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.79ms. Allocated memory is still 190.8MB. Free memory was 154.1MB in the beginning and 153.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 468.67ms. Allocated memory is still 190.8MB. Free memory was 153.0MB in the beginning and 139.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 467.68ms. Allocated memory is still 190.8MB. Free memory was 139.5MB in the beginning and 121.6MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 190.8MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:44:52,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93ae7f4320aeb5eadc7d42fef8f73afe8e6e658ec54f48f9ad9874df5186017d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:44:55,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:44:55,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:44:55,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:44:55,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:44:55,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:44:55,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:44:55,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:44:55,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:44:55,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:44:55,252 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:44:55,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:44:55,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:44:55,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:44:55,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:44:55,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:44:55,255 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:44:55,255 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:44:55,255 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:44:55,256 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:44:55,256 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:44:55,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:44:55,257 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:44:55,258 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:44:55,258 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:44:55,258 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:44:55,259 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:55,259 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:44:55,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:44:55,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:55,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:44:55,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:44:55,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:44:55,261 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:44:55,261 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:55,262 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:44:55,262 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93ae7f4320aeb5eadc7d42fef8f73afe8e6e658ec54f48f9ad9874df5186017d [2024-11-08 23:44:55,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:44:55,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:44:55,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:44:55,772 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:44:55,774 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:44:55,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i Unable to find full path for "g++" [2024-11-08 23:44:58,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:44:58,370 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:44:58,371 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i [2024-11-08 23:44:58,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/data/24d5e23a5/affcde58f5ff4fafb2ad901fcd08cff4/FLAGf42d2de46 [2024-11-08 23:44:58,410 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/data/24d5e23a5/affcde58f5ff4fafb2ad901fcd08cff4 [2024-11-08 23:44:58,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:44:58,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:44:58,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:58,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:44:58,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:44:58,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:58" (1/1) ... [2024-11-08 23:44:58,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39cee853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:58, skipping insertion in model container [2024-11-08 23:44:58,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:58" (1/1) ... [2024-11-08 23:44:58,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:44:59,378 WARN L250 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_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i[40784,40797] [2024-11-08 23:44:59,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:59,423 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:44:59,468 WARN L250 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_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i[40784,40797] [2024-11-08 23:44:59,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:59,622 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:44:59,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:59 WrapperNode [2024-11-08 23:44:59,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:59,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:59,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:44:59,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:44:59,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:59" (1/1) ... [2024-11-08 23:44:59,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:59" (1/1) ... [2024-11-08 23:44:59,694 INFO L138 Inliner]: procedures = 453, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 71 [2024-11-08 23:44:59,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:59,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:44:59,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:44:59,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:44:59,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:59" (1/1) ... [2024-11-08 23:44:59,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:59" (1/1) ... [2024-11-08 23:44:59,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:59" (1/1) ... [2024-11-08 23:44:59,708 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:59" (1/1) ... [2024-11-08 23:44:59,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:59" (1/1) ... [2024-11-08 23:44:59,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:59" (1/1) ... [2024-11-08 23:44:59,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:59" (1/1) ... [2024-11-08 23:44:59,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:59" (1/1) ... [2024-11-08 23:44:59,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:44:59,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:44:59,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:44:59,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:44:59,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:59" (1/1) ... [2024-11-08 23:44:59,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:59,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:44:59,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:44:59,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:44:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:44:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:44:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:44:59,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:44:59,925 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:44:59,927 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:45:07,148 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 23:45:07,148 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:45:07,210 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:45:07,211 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:45:07,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:07 BoogieIcfgContainer [2024-11-08 23:45:07,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:45:07,213 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:45:07,213 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:45:07,225 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:45:07,225 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:07" (1/1) ... [2024-11-08 23:45:07,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:45:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:45:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:45:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:45:07,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:07,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:07,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:07,296 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:07,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:45:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:07,509 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:07,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:45:07,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:07,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:45:07,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:45:09,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:45:10,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:10,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-08 23:45:10,102 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-08 23:45:10,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:45:10,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:10,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:10,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:10,110 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:10,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805fdcb8-5c03-4c20-84d3-bf5339a7efdc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:45:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:11,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:45:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat