./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cos_polynomial.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/cos_polynomial.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL --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 c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:46:03,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:46:03,499 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:46:03,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:46:03,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:46:03,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:46:03,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:46:03,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:46:03,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:46:03,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:46:03,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:46:03,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:46:03,573 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:46:03,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:46:03,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:46:03,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:46:03,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:46:03,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:46:03,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:46:03,578 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:46:03,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:46:03,579 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:46:03,579 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:46:03,580 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:46:03,580 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:46:03,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:46:03,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:03,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:46:03,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:46:03,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:46:03,584 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:46:03,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:46:03,585 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:46:03,585 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_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb [2023-11-19 02:46:03,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:46:03,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:46:03,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:46:03,969 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:46:03,969 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:46:03,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/cos_polynomial.c [2023-11-19 02:46:07,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:46:07,407 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:46:07,407 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/sv-benchmarks/c/float-benchs/cos_polynomial.c [2023-11-19 02:46:07,415 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/data/4cb4c92ee/b2789b8d4d9c47a1ac3fcf1e03ffbe60/FLAG1de1ac356 [2023-11-19 02:46:07,445 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/data/4cb4c92ee/b2789b8d4d9c47a1ac3fcf1e03ffbe60 [2023-11-19 02:46:07,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:46:07,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:46:07,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:07,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:46:07,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:46:07,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:07" (1/1) ... [2023-11-19 02:46:07,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1784ac32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:07, skipping insertion in model container [2023-11-19 02:46:07,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:07" (1/1) ... [2023-11-19 02:46:07,477 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:46:07,638 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2023-11-19 02:46:07,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:07,687 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:46:07,703 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2023-11-19 02:46:07,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:07,749 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:46:07,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:07 WrapperNode [2023-11-19 02:46:07,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:07,751 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:07,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:46:07,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:46:07,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:07" (1/1) ... [2023-11-19 02:46:07,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:07" (1/1) ... [2023-11-19 02:46:07,788 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2023-11-19 02:46:07,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:07,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:46:07,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:46:07,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:46:07,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:07" (1/1) ... [2023-11-19 02:46:07,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:07" (1/1) ... [2023-11-19 02:46:07,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:07" (1/1) ... [2023-11-19 02:46:07,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:07" (1/1) ... [2023-11-19 02:46:07,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:07" (1/1) ... [2023-11-19 02:46:07,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:07" (1/1) ... [2023-11-19 02:46:07,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:07" (1/1) ... [2023-11-19 02:46:07,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:07" (1/1) ... [2023-11-19 02:46:07,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:46:07,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:46:07,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:46:07,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:46:07,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:07" (1/1) ... [2023-11-19 02:46:07,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:07,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:46:07,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:46:07,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:46:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:46:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:46:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:46:07,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:46:07,947 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:46:07,950 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:46:08,113 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:46:08,205 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:46:08,205 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:46:08,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:08 BoogieIcfgContainer [2023-11-19 02:46:08,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:46:08,210 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:46:08,211 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:46:08,221 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:46:08,221 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:08" (1/1) ... [2023-11-19 02:46:08,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:46:08,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:08,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-19 02:46:08,292 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-19 02:46:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:46:08,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:08,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:08,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:46:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:08,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:46:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:08,554 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:46:08,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:46:08 ImpRootNode [2023-11-19 02:46:08,580 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:46:08,581 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:46:08,581 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:46:08,581 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:46:08,581 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:08" (3/4) ... [2023-11-19 02:46:08,593 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:46:08,594 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:46:08,597 INFO L158 Benchmark]: Toolchain (without parser) took 1147.40ms. Allocated memory is still 157.3MB. Free memory was 127.4MB in the beginning and 102.9MB in the end (delta: 24.5MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-11-19 02:46:08,597 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:46:08,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.56ms. Allocated memory is still 157.3MB. Free memory was 127.4MB in the beginning and 116.2MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:46:08,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.90ms. Allocated memory is still 157.3MB. Free memory was 116.2MB in the beginning and 114.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:46:08,600 INFO L158 Benchmark]: Boogie Preprocessor took 23.66ms. Allocated memory is still 157.3MB. Free memory was 114.8MB in the beginning and 113.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:46:08,601 INFO L158 Benchmark]: RCFGBuilder took 395.44ms. Allocated memory is still 157.3MB. Free memory was 113.4MB in the beginning and 116.7MB in the end (delta: -3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 02:46:08,601 INFO L158 Benchmark]: CodeCheck took 369.40ms. Allocated memory is still 157.3MB. Free memory was 116.2MB in the beginning and 102.9MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:46:08,602 INFO L158 Benchmark]: Witness Printer took 15.05ms. Allocated memory is still 157.3MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:46:08,606 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 14]: 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 someUnaryDOUBLEoperation at line 17, overapproximation of someBinaryArithmeticDOUBLEoperation at line 26, overapproximation of someBinaryDOUBLEComparisonOperation at line 52. Possible FailurePath: [L16] double C1 = 4.16666666666666019037e-02; [L17] double C2 = -1.38888888888741095749e-03; [L18] double C3 = 2.48015872894767294178e-05; [L19] double C4 = -2.75573143513906633035e-07; [L20] double C5 = 2.08757232129817482790e-09; [L21] double C6 = -1.13596475577881948265e-11; [L49] double a, r; [L51] a = __VERIFIER_nondet_double() [L52] CALL assume_abort_if_not(a >= -0.5 && a <= 0.75) [L12] COND FALSE !(!cond) [L52] RET assume_abort_if_not(a >= -0.5 && a <= 0.75) [L54] CALL, EXPR mcos(a) [L25] double a, hz, z, r, qx, zr; [L26] z = x*x [L27] COND FALSE !(x < 0.) [L28] hz = 0.5 * z [L29] r = z*(C1+z*(C2+z*(C3+z*(C4+z*(C5+z*C6))))) [L30] zr = z*r [L31] COND FALSE !(x < 0.3) [L35] COND TRUE x > 0.78125 [L36] qx = 0.28125 [L41] hz = hz-qx [L42] a = 1.-qx [L43] return a-(hz-zr); [L54] RET, EXPR mcos(a) [L54] r = mcos(a) [L56] CALL __VERIFIER_assert(r >= 0. && r <= 1.1) [L14] COND TRUE !(cond) VAL [C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, \old(cond)=0, cond=0] [L14] reach_error() VAL [C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, \old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.56ms. Allocated memory is still 157.3MB. Free memory was 127.4MB in the beginning and 116.2MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.90ms. Allocated memory is still 157.3MB. Free memory was 116.2MB in the beginning and 114.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.66ms. Allocated memory is still 157.3MB. Free memory was 114.8MB in the beginning and 113.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 395.44ms. Allocated memory is still 157.3MB. Free memory was 113.4MB in the beginning and 116.7MB in the end (delta: -3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 369.40ms. Allocated memory is still 157.3MB. Free memory was 116.2MB in the beginning and 102.9MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 15.05ms. Allocated memory is still 157.3MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:46:08,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/cos_polynomial.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL --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 c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:46:11,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:46:11,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:46:11,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:46:11,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:46:11,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:46:11,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:46:11,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:46:11,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:46:11,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:46:11,645 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:46:11,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:46:11,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:46:11,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:46:11,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:46:11,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:46:11,652 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:46:11,652 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:46:11,653 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:46:11,654 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:46:11,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:46:11,655 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:46:11,655 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:46:11,656 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:46:11,656 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:46:11,656 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:46:11,657 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:46:11,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:46:11,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:11,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:46:11,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:46:11,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:46:11,660 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:46:11,660 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:46:11,660 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:46:11,661 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:46:11,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:46:11,661 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb [2023-11-19 02:46:12,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:46:12,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:46:12,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:46:12,099 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:46:12,100 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:46:12,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/cos_polynomial.c [2023-11-19 02:46:15,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:46:15,731 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:46:15,731 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/sv-benchmarks/c/float-benchs/cos_polynomial.c [2023-11-19 02:46:15,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/data/5cc261ef9/ac8fa5937e764f5e9db8433f867698d9/FLAG6738e4a0c [2023-11-19 02:46:15,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/data/5cc261ef9/ac8fa5937e764f5e9db8433f867698d9 [2023-11-19 02:46:15,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:46:15,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:46:15,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:15,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:46:15,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:46:15,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:15" (1/1) ... [2023-11-19 02:46:15,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17bb1862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:15, skipping insertion in model container [2023-11-19 02:46:15,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:15" (1/1) ... [2023-11-19 02:46:15,781 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:46:15,935 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2023-11-19 02:46:15,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:15,970 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:46:15,983 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2023-11-19 02:46:15,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:16,007 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:46:16,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:16 WrapperNode [2023-11-19 02:46:16,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:16,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:16,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:46:16,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:46:16,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:16" (1/1) ... [2023-11-19 02:46:16,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:16" (1/1) ... [2023-11-19 02:46:16,048 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-19 02:46:16,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:16,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:46:16,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:46:16,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:46:16,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:16" (1/1) ... [2023-11-19 02:46:16,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:16" (1/1) ... [2023-11-19 02:46:16,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:16" (1/1) ... [2023-11-19 02:46:16,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:16" (1/1) ... [2023-11-19 02:46:16,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:16" (1/1) ... [2023-11-19 02:46:16,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:16" (1/1) ... [2023-11-19 02:46:16,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:16" (1/1) ... [2023-11-19 02:46:16,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:16" (1/1) ... [2023-11-19 02:46:16,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:46:16,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:46:16,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:46:16,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:46:16,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:16" (1/1) ... [2023-11-19 02:46:16,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:16,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:46:16,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:46:16,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:46:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:46:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:46:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:46:16,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:46:16,297 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:46:16,300 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:46:31,306 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:46:31,411 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:46:31,411 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:46:31,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:31 BoogieIcfgContainer [2023-11-19 02:46:31,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:46:31,417 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:46:31,417 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:46:31,428 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:46:31,428 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:31" (1/1) ... [2023-11-19 02:46:31,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:46:31,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:31,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-19 02:46:31,484 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-19 02:46:31,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:46:31,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:31,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:46:31,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:46:31,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:46:31,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1b4abd9-c3a0-49b8-a210-5a53b5eace4a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:47:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:14,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported